Rheem Commercial Classic Series Package Air Conditioner · tion Module is compatible with MSTP...

FORM NO. S11-973 REV. 2

AirPackage Air ConditionerRLKN Series

With ClearControl™ (DDC)

Nominal Sizes 6 Tons [21.1 kW](3 Phase Models Only)

RLKN-B Standard Efficiency Series

RLKN-C Standard Efficiency Series

Rheem Commercial Classic® SeriesPackage Air Conditioner

AirTable of ContentsRLKN Series

2

TABLE OF CONTENTSUnit Features & Benefits ..............................................................................3-5

Selection Procedure........................................................................................6

Model Number Identification ............................................................................7

Options..................................................................................................................8-9

General Data............................................................................................10-11

Gross Systems Performance Data ..................................................................12

Airflow Performance ......................................................................................13

Electrical Data ..............................................................................................14

Electric Heater Kits ..................................................................................15-16

Dimensional Data ....................................................................................17-19

Accessories ............................................................................................20-30

Mechanical Specifications ........................................................................31-36

Limited Warranty ..........................................................................................37

AirUnit Features & BenefitsRLKN Series

3

Compressor AccessOptional ElectricHeater Kit

Control Box Access

Outdoor Air Sensor(RLKN-C Only)

RTU-C ClearControl™(RLKN-C Only)

Evaporator Coil/Filter Access

• Return air filters, normallyprovided, are removed inthis photo.

• Non-corrosiveplastic condensate pan

Economizer HarnessReturn Air Sensor

CloggedFilterSwitch(RLKN-C Only)

Fan Proving(RLKN-C Only)

Freeze Sensor(RLKN-C Only)

Blower Access

Discharge Air Sensor (RLKN-C Only)

[ ] Designates Metric Conversions

4


• R-410A HFC refrigerant.• Complete factory charged, wired and run tested.• Scroll compressors with internal line break overload and

high-pressure protection.• Two-stage compressor on all models.• Convertible airflow.• TXV refrigerant metering system.• High Pressure and Low Pressure/Loss of charge protection

standard on all models.• Solid Core liquid line filter drier on each circuit.• Single slab, single pass designed evaporator coil facilitates

easy cleaning for maintained high efficiencies.• Cooling operation up to 125 degree F ambient.• Easily removable filter, blower, electric heat, and control

access panels permits prompt service.• Powder Paint Finish meets ASTMB117 steel coated on each

side for maximum protection. G90 galvanized.• One piece top cover and one piece base pan with drawn

supply and return opening for superior water management.• Externally mounted refrigerant gauge ports for easy service

diagnostics.• All 208/230V and 460V models are shipped from factory

“VFD Ready” with mating plugs for a field installed VFD kit to provide 2-stage indoor airflow.

• Factory or field-installed electric heat kits available upto 24 kW.

• Easy to install plug-in; slip in, 100% fully modulatingeconomizer.

• Forkable base rails for easy handling and lifting.• Single point electrical and gas connections.• High performance belt drive motor with variable pitch pulleys

and quick adjust belt system.• Permanently lubricated evaporator, condenser and gas heat

inducer motors.• Condenser motors are internally protected, totally enclosed

with shaft down design.• 2 inch filter standard with slide out design.• Colored and labeled wiring.• Molded compressor plug.• Micro Channel evaporators and condenser delivers superior

performance with less refrigerant charge and less weight thanconventional copper tube/aluminum fin coils In addition thealuminum design has superior formicary corrosion protectionand less potential for leaks due to elimination of tube rubbingpotential. Its easier to clean and has a more robust surface.

• RLKN-C models equipped with factory installedClearControl™, Direct Digital Control (DDC), and sensorswhich can connect to LonWorks™ or BACnet® buildingautomation systems for remote monitoring and control.

STANDARD FEATURES INCLUDE:


5

As part of the ClearControl™ system which allows real time moni-toring and communication between rooftop units, the RLKN-CPackage Air Conditioner has a Rooftop Unit Controller (RTU-C)factory mounted and wired in the control panel. The RTU-C is asolid-state microprocessor-based control board that providesflexible control and extensive diagnostics for all unit functions.The RTU-C through proportional/integral control algorithms per-form specific unit functions that govern unit operation in responseto: zone conditions, system temperatures, system pressures,ambient conditions and electrical inputs. The RTU-C features a 16 x 2 character LCD display and a five-button keypad for localconfiguration and direct diagnosis of the system. New featuresinclude a clogged filter switch (CFS), fan proving switch (FPS),return air temperature sensor (RAT), discharge air temperaturesensor (DAT) and outdoor air temperature sensor (OAT). Freezesensors (FS) are used in place of freezestats to allow measure-ment of refrigerant suction line temperatures. The RLKN-CPackage air Conditioner with the RTU-C is specifically designedto be applied in four distinct applications:The RLKN-C is compatible with a third party building manage-ment system that supports the BACnet Application SpecificController device profile, with the use of a field installed BACnetCommunication Module. The BACnet Communication Moduleplugs onto the unit RTU-C controller and allows communicationbetween the RTU-C and the BACnet MSTP network. A zonesensor, a BACnet network zone sensor, a BACnet thermostat orDDC controller may be used to send the zone temperature orthermostat demands to the RTU-C. The BACnet Communica-tion Module is compatible with MSTP EIA-485 daisy chain net-works communicating at 38.4 bps. It is compatible with twistedpair, shielded cables.The RLKN-C is compatible with a third party building manage-ment system that supports the LonMark Space Comfort con-troller (SCC) functional profile or LonMark Discharge Air Con-troller (DAC) functional profile. This is accomplished with a fieldinstalled LonMark communication module. The LonMark

Communication Module plugs onto the RTU-C controller andallows communication between the RTU-C and a LonWorksNetwork. A zone sensor, a LonTalk network zone sensor, or aLonTalk thermostat or DDC controller may be used to send thezone temperature or thermostat demands to the RTU-C. TheLonMark Communication Module utilizes an FTT-10A free topol-ogy transceiver communicating at 78.8 kbps. It is compatiblewith Echelon qualified twisted pair cable, Belden 8471 or NEMALevel 4 cables. The Module can communication up to 1640 ft.with no repeater. The LonWorks limits of 64 nodes per segmentapplies to this device.The RLKN-C is compatible with a programmable 24 volt ther-mostat. Connections are made via conventional thermostatscrew terminals. Extensive unit status and diagnostics are dis-played on the LCD screen of the RTU-C.The RLKN-C is compatible with a zone sensor and mechanicalor solid state time clock connected to the RTU-C. Extensiveunit status and diagnostics are displayed on the LCD screenof the RTU-C.A factory or field installed Comfort Alert® module is available forpower phase-monitoring protection and additional compressordiagnostics. The alarms can be displayed on the RTU-C displayor connected to the “L-Terminal” of a thermostat for notification.The damper minimum position, actual damper position, powerexhaust on/off setpoint, mixed air temperature limit setpoint andDemand Controlled Ventilation (DCV) setpoint can be read andadjusted at the unit controller display or remotely through anetwork connection.The Space CO2 level, mixed air temperature, and EconomizerStatus (Free Cooling Available, Single or Dual Enthalpy) can beread at the unit controller display or remotely through a networkconnection. Economizer Faults will trigger a network Alarm andcan be read at the unit controller display or remotely through anetwork connection.

RTU-C/ClearControl™

CLEARCONTROL™ (RLKN-C MODELS)

6

AirSelection ProcedureRLKN Series

RLKN SELECTION PROCEDURES1. Determine cooling and heating requirements at design

conditions. Example: Total cooling capacity ............61,000 BTUH [17.87 kW] Sensible cooling capacity ......44,000 BTUH [12.89 kW] Condenser entering air ..........95°F [35°C] Evaporator entering air............63°F [17°C] wb/76°F [24°C] db Indoor air flow ........................2100 CFM [991 L/s] External static pressure..........1.0 in W.G.

2. Select unit to meet cooling requirements.Since total cooling is within the range of 6 ton [21.1 kW] unitenter cooling performance from the RLKN073 table, at 95°F[35°C] outdoor temperature, 63°F [17°C] wb entering indoorair, and 2100 CFM [991 L/s]:

Total capacity..........................65,000 BTUH [19.1 kW] Sensible Capacity ..................55,400 BTUH [16.2 kW] Power input ............................5.3 kW

And also, at 76°F [24°C] db indoor entering air, and using the formula at the bottom of the page: Sensible capacity....................48,008 BTUH [14.07 kW]

3. Determine blower speed and power to meet the systemrequirements.At the given external static pressure of 1.0 in W.G., the beltmodel must be selected. Enter the belt drive blower perfor-mance table at 2100 CFM [991 L/s] and 1.0 in W.G. ESP:

RPM....................1100 Watts ..................1025 Drive ..................L

4. Calculate indoor blower BTUH heat effect. BTUH = Watts x 3.413 = 3498

5. Calculate net cooling capacities. Net total cooling = 65,000 – 3498 = 61,502 BTUH [18.02 kW] Net sensible cooling = 48,008 – 3498 = 44,510 BTUH

[13.04 kW]


7

AirModel Number IdentificationRLKN Series

R L K N — B 073 C L 000 X X X Economizer Option (See Next Page)

Factory Installed Options(See Next Page)

Electric Heat 000 = No Resistance Heat 006 = 6 kW Resistance Heat 010 = 10 kW Resistance Heat 012 = 12 kW Resistance Heat 015 = 15 kW Resistance Heat 020 = 20 kW Resistance Heat 024 = 24 kW Resistance Heat

Drive Package L = Belt Drive M= Belt Drive—High Static

Electrical Designation C = 208-230 V, 3 PH, 60 Hz D = 460 V, 3 PH, 60 Hz Y = 575 V, 3 PH, 60 Hz

Cooling Capacity (BTUH) [kW] 073 = 72,000 [21.10]

B = Standard 24VAC ControlsC = ClearControl™ (DDC)

Design Series N = R-410A

Efficiency Designation K = Standard Efficiency

Product Classification L = Packaged Air Conditioner—

Commercial

Tradebrand R = Rheem


AirOptionsRLKN Series

Option Code Hail Guard Non-Powered Convenience Outlet

Low Ambient/Freeze Stat Hinged Doors

AA NO OPTIONS

AD x

AG x

AP x

AV x

BY x x

BJ x x

JC x x

JK x x

JL x x

JP x x

CX x x x

KD x x x

KG x x x

KK x x x

DS x x x x

FACTORY INSTALLED OPTION CODES FOR RLKN-B073(6 Ton) [21.1 kW]

Example: RLKN-B073CL000XXX (where XX is factory installed option)Example: No Options

RLKN-B073CL000Example: No Options with Factory Installed Economizer

RLKN-B073CL000AAF

No Economizer EconomizerNo Smoke Detector

A xF x

EconomizerWith Smoke Detector

G x

ECONOMIZER SELECTION FOR RLKN-B073(6 TON) [21.1 kW]

“x” indicates factory installed option.


Example: Options with Hailguard with no Factory Installed EconomizerRLKN-B073CL000ADA

Example: Options same as above with Factory Installed EconomizerRLKN-B073CL000ADF

8

AirOptionsRLKN Series

9

Option Code Hail Guard Non-PoweredConvenience Outlet

Low Ambient/Comfort Alert Hinged Doors

AD x

AG x

AR x

AV x

JD x x

BJ x x

CZ x x x

JE x x

JK x x

JL x x

JQ x x

KH x x x

KD x x x

DT x x x x

KL x x x

FACTORY INSTALLED OPTION CODES FOR RLKN-C073 (6 Ton) [21.1 kW]

Example: RLKN-C073CL000XXX (where XX is factory installed option)Example: No Options

RLKN-C073CL000Example: No Options with Factory Installed Economizer

RLKN-C073CL000AAHExample: Options with Hailguard with no Factory Installed Economizer

RLKN-C073CL000ADAExample: Options same as above with Factory Installed Economizer

RLKN-C073CLOOOADH

No Economizer DDC Single Enthalpy EconomizerWith Barometric Relief

A xH x

DDC Single Enthalpy Economizer With BarometricRelief and Smoke Detector

J x

ECONOMIZER SELECTION FOR RLKN-C073 (6 TON) [21.1 kW]

“x” indicates factory installed option.


10

AirGeneral DataRLKN Series

NOMINAL SIZES 6 TONS [21.1 kW] ASHRAE 90.1-1989 COMPLIANT MODELS

CONTINUED

Model RLKN- Series (B,C)073CL (B,C)073CM (B,C)073DL (B,C)073DM

Cooling Performance1

Gross Cooling Capacity Btu [kW] 70,000 [20.51] 70,000 [20.51] 70,000 [20.51] 70,000 [20.51]EER/SEER2 11.2 / NA 11.2 / NA 11.2 / NA 11.2 / NANominal CFM/AHRI Rated CFM [L/s] 2400/2100 [1133/991] 2400/2100 [1133/991] 2400/2100 [1133/991] 2400/2100 [1133/991]AHRI Net Cooling Capacity Btu [kW] 68,000 [19.92] 68,000 [19.92] 68,000 [19.92] 68,000 [19.92]Net Sensible Capacity Btu [kW] 46,000 [13.48] 46,000 [13.48] 46,000 [13.48] 46,000 [13.48]Net Latent Capacity Btu [kW] 22,000 [6.45] 22,000 [6.45] 22,000 [6.45] 22,000 [6.45]IEER2 12.9 12.9 12.9 12.9Net System Power [kW] 6.07 6.07 6.07 6.07

CompressorNo./Type 1/Two-Stage Scroll 1/Two-Stage Scroll 1/Two-Stage Scroll 1/Two-Stage Scroll

Outdoor Sound Rating (dB)3 83 83 83 83Outdoor Coil—Fin Type Louvered Louvered Louvered Louvered

Tube Type MicroChannel MicroChannel MicroChannel MicroChannelMicroChannel Depth [in] [mm] 0.71 [18] 0.71 [18] 0.71 [18] 0.71 [18]Face Area sq. ft. [sq. m] 16.4 [1.52] 16.4 [1.52] 16.4 [1.52] 16.4 [1.52]Rows / FPI [FPcm] 1/23 [9] 1/23 [9] 1/23 [9] 1/23 [9]

Indoor Coil—Fin Type Louvered Louvered Louvered LouveredTube Type MicroChannel MicroChannel MicroChannel MicroChannelMicroChannel Depth [in] [mm] 1.26 [32] 1.26 [32] 1.26 [32] 1.26 [32]Face Area sq. ft. [sq. m] 5.95 [0.55] 5.95 [0.55] 5.95 [0.55] 5.95 [0.55]Rows / FPI [FPcm] 1/20 [8] 1/20 [8] 1/20 [8] 1/20 [8]Refrigerant Control TX Valve TX Valve TX Valve TX ValveDrain Connection No./Size in. [mm] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05] 1/0.75 [19.05]

Outdoor Fan—Type Propeller Propeller Propeller PropellerNo. Used/Diameter in. [mm] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6] 1/24 [609.6]Drive Type/No. Speeds Direct/1 Direct/1 Direct/1 Direct/1CFM [L/s] 4200 [1982] 4200 [1982] 4200 [1982] 4200 [1982]No. Motors/HP 1/0.5 1/0.5 1/0.5 1/0.5Motor RPM 1075 1075 1075 1075

Indoor Fan—Type FC Centrifugal FC Centrifugal FC Centrifugal FC CentrifugalNo. Used/Diameter in. [mm] 1/11x10 [279x254] 1/11x10 [279x254] 1/11x10 [279x254] 1/11x10 [279x254]Drive Type Belt (Adjustable) Belt (Adjustable) Belt (Adjustable) Belt (Adjustable)No. Speeds Single Single Single SingleNo. Motors 1 1 1 1Motor HP 2 2 2 2Motor RPM 1725 1725 1725 1725Motor Frame Size 56 56 56 56

Filter—Type Disposable Disposable Disposable DisposableFurnished Yes Yes Yes Yes(NO.) Size Recommended in. [mm x mm x mm] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406]

Refrigerant Charge Oz. [g] 67 [1899] 67 [1899] 67 [1899] 67 [1899]

Weights

Net Weight lbs. [kg] 551 [250] 553 [251] 551 [250] 553 [251]Ship Weight lbs. [kg] 579 [263] 581 [264] 579 [263] 581 [264]


NOTES:1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does

not include the effect of fan motor heat. AHRI capacity is net and includes the effect of fan motor heat. Units aresuitable for operation to �20% of nominal cfm. Units are certified in accordance with the Unitary Large Equipmentcertification program, which is based on AHRI Standard 340/360.

2. EER and IEER are rated at AHRI conditions and in accordance with DOE test procedures and AHRI Standard 340/360.3. Outdoor Sound Rating shown is tested in accordance with AHRI Standard 270.

AirGeneral DataRLKN Series

11

NOMINAL SIZES 6 TONS [21.1 kW] ASHRAE 90.1-1999 COMPLIANT MODELSModel RLKN- Series (B,C)073YL (B,C)073YM

Cooling Performance1

Gross Cooling Capacity Btu [kW] 70,000 [20.51] 70,000 [20.51]EER/SEER2 11.2/NA 11.2/NANominal CFM/AHRI Rated CFM [L/s] 2400/2100 [1133/991] 2400/2100 [1133/991]AHRI Net Cooling Capacity Btu [kW] 68,000 [19.92] 68,000 [19.92]Net Sensible Capacity Btu [kW] 46,000 [13.48] 46,000 [13.48]Net Latent Capacity Btu [kW] 22,000 [6.45] 22,000 [6.45]IEER2 12.9 12.9Net System Power [kW] 6.07 6.07

CompressorNo./Type 1/Two-Stage Scroll 1/Two-Stage Scroll

Outdoor Sound Rating (dB)3 83 83Outdoor Coil—Fin Type Louvered Louvered

Tube Type MicroChannel MicroChannelMicroChannel Depth [in] [mm] 0.71 [18] 0.71 [18]Face Area sq. ft. [sq. m] 16.4 [1.52] 16.4 [1.52]Rows / FPI [FPcm] 1/23 [9] 1/23 [9]

Indoor Coil—Fin Type Louvered LouveredTube Type MicroChannel MicroChannelMicroChannel Depth [in] [mm] 1.26 [32] 1.26 [32]Face Area sq. ft. [sq. m] 5.95 [0.55] 5.95 [0.55]Rows / FPI [FPcm] 1/20 [8] 1/20 [8]Refrigerant Control TX Valve TX ValveDrain Connection No./Size in. [mm] 1/0.75 [19.05] 1/0.75 [19.05]

Outdoor Fan—Type Propeller PropellerNo. Used/Diameter in. [mm] 1/24 [609.6] 1/24 [609.6]Drive Type/No. Speeds Direct/1 Direct/1CFM [L/s] 4200 [1982] 4200 [1982]No. Motors/HP 1/0.5 1/0.5Motor RPM 1075 1075

Indoor Fan—Type FC Centrifugal FC CentrifugalNo. Used/Diameter in. [mm] 1/11x10 [279x254] 1/11x10 [279x254]Drive Type Belt (Adjustable) Belt (Adjustable)No. Speeds Single SingleNo. Motors 1 1Motor HP 1.5 1.5Motor RPM 1725 1725Motor Frame Size 56 56

Filter—Type Disposable DisposableFurnished Yes Yes(NO.) Size Recommended in. [mm x mm x mm] (4)2x16x16 [51x406x406] (4)2x16x16 [51x406x406]

Refrigerant Charge Oz. [g] 67 [1899] 67 [1899]

Weights

Net Weight lbs. [kg] 546 [248] 548 [249]Ship Weight lbs. [kg] 574 [260] 576 [261]


NOTES:1. Cooling Performance is rated at 95° F ambient, 80° F entering dry bulb, 67° F entering wet bulb. Gross capacity does

not include the effect of fan motor heat. AHRI capacity is net and includes the effect of fan motor heat. Units aresuitable for operation to �20% of nominal cfm. Units are certified in accordance with the Unitary Large Equipmentcertification program, which is based on AHRI Standard 340/360.

2. EER and IEER are rated at AHRI conditions and in accordance with DOE test procedures and AHRI Standard 340/360.3. Outdoor Sound Rating shown is tested in accordance with AHRI Standard 270.

12

AirGross Systems Performance DataRLKN Series

GR

OS

S S

YS

TEM

S P

ER

FOR

MA

NC

E D

ATA

—R

LKN

-B07

3/R

LKN

-C07

3EN

TER

ING

IND

OO

R A

IR @

80°

F [2

6.7°

C] d

bE ➀

wbE

71°F

[21.

7°C]

67°F

[19.

4°C]

63°F

[17.

2°C]

61°F

[16.

1°C]

59°F

[15.

0°C]

CFM

[L/s

]23

10 [1

090]

2100

[991

]17

80 [8

40]

2310

[109

0]21

00 [9

91]

1780

[840

]23

10 [1

090]

2100

[991

]17

80 [8

40]

2310

[109

0]21

00 [9

91]

1780

[840

]23

10 [1

090]

2100

[991

]17

80 [8

40]

DR

➀0.

210.

20.

180.

210.

20.

180.

210.

20.

180.

210.

20.

180.

210.

20.

18

O U T D O O R D R Y B U L B T E M P E R A T U R E °F [°C]

75[2

3.9]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

84.0

[24.

6]44

.8 [1

3.1]

4.4

82.5

[24.

2]42

.8 [1

2.5]

4.4

80.2

[23.

5]39

.8 [1

1.6]

4.3

79.1

[23.

2]53

.3 [1

5.6]

4.3

77.7

[22.

8]51

.0 [1

4.9]

4.3

75.5

[22.

1]47

.3 [1

3.9]

4.2

73.8

[21.

6]60

.8 [1

7.8]

4.2

72.4

[21.

2]58

.1 [1

7.0]

4.2

70.4

[20.

6]54

.0 [1

5.8]

4.1

70.9

[20.

8]64

.0 [1

8.7]

4.2

69.7

[20.

4]61

.1 [1

7.9]

4.2

67.7

[19.

8]56

.8 [1

6.6]

4.1

68.0

[19.

9]66

.6 [1

9.5]

4.2

66.8

[19.

6]63

.6 [1

8.6]

4.1

64.9

[19.

0]59

.1 [1

7.3]

4.1

80[2

6.7]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

82.4

[24.

1]44

.4 [1

3.0]

4.7

80.9

[23.

7]42

.4 [1

2.4]

4.6

78.7

[23.

1]39

.4 [1

1.5]

4.6

77.5

[22.

7]52

.9 [1

5.5]

4.6

76.1

[22.

3]50

.6 [1

4.8]

4.5

74.0

[21.

7]47

.0 [1

3.8]

4.5

72.2

[21.

2]60

.4 [1

7.7]

4.5

70.9

[20.

8]57

.7 [1

6.9]

4.4

68.9

[20.

2]53

.6 [1

5.7]

4.4

69.3

[20.

3]63

.6 [1

8.6]

4.4

68.1

[20.

0]60

.7 [1

7.8]

4.4

66.2

[19.

4]56

.4 [1

6.5]

4.3

66.4

[19.

5]66

.2 [1

9.4]

4.4

65.2

[19.

1]63

.3 [1

8.5]

4.4

63.4

[18.

6]58

.8 [1

7.2]

4.3

85[2

9.4]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

80.6

[23.

6]43

.8 [1

2.8]

4.9

79.2

[23.

2]41

.9 [1

2.3]

4.9

77.0

[22.

6]38

.9 [1

1.4]

4.8

75.7

[22.

2]52

.3 [1

5.3]

4.8

74.4

[21.

8]50

.0 [1

4.7]

4.8

72.3

[21.

2]46

.5 [1

3.6]

4.7

70.4

[20.

6]59

.8 [1

7.5]

4.8

69.1

[20.

3]57

.2 [1

6.7]

4.7

67.2

[19.

7]53

.1 [1

5.6]

4.6

67.6

[19.

8]63

.0 [1

8.5]

4.7

66.3

[19.

4]60

.2 [1

7.6]

4.7

64.5

[18.

9]55

.9 [1

6.4]

4.6

64.6

[18.

9]64

.6 [1

8.9]

4.7

63.4

[18.

6]62

.7 [1

8.4]

4.6

61.7

[18.

1]58

.2 [1

7.1]

4.6

90[3

2.2]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

78.6

[23.

0]43

.0 [1

2.6]

5.2

77.2

[22.

6]41

.1 [1

2.0]

5.2

75.1

[22.

0]38

.2 [1

1.2]

5.1

73.7

[21.

6]51

.5 [1

5.1]

5.1

72.4

[21.

2]49

.2 [1

4.4]

5.1

70.4

[20.

6]45

.7 [1

3.4]

5.0

68.4

[20.

0]59

.0 [1

7.3]

5.0

67.2

[19.

7]56

.4 [1

6.5]

5.0

65.3

[19.

1]52

.4 [1

5.3]

4.9

65.6

[19.

2]62

.2 [1

8.2]

5.0

64.4

[18.

9]59

.4 [1

7.4]

5.0

62.6

[18.

3]55

.2 [1

6.2]

4.9

62.6

[18.

3]62

.6 [1

8.3]

5.0

61.5

[18.

0]61

.5 [1

8.0]

4.9

59.8

[17.

5]57

.5 [1

6.9]

4.9

95 [35]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

76.4

[22.

4]42

.0 [1

2.3]

5.5

75.1

[22.

0]40

.1 [1

1.8]

5.5

73.0

[21.

4]37

.3 [1

0.9]

5.4

71.6

[21.

0]50

.5 [1

4.8]

5.4

70.3

[20.

6]48

.3 [1

4.1]

5.4

68.3

[20.

0]44

.8 [1

3.1]

5.3

66.2

[19.

4]58

.0 [1

7.0]

5.4

65.0

[19.

1]55

.4 [1

6.2]

5.3

63.2

[18.

5]51

.5 [1

5.1]

5.2

63.4

[18.

6]61

.2 [1

7.9]

5.3

62.3

[18.

2]58

.4 [1

7.1]

5.3

60.5

[17.

7]54

.3 [1

5.9]

5.2

60.4

[17.

7]60

.4 [1

7.7]

5.3

59.3

[17.

4]59

.3 [1

7.4]

5.2

57.7

[16.

9]56

.6 [1

6.6]

5.2

100

[37.

8]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

74.0

[21.

7]40

.8 [1

1.9]

5.9

72.7

[21.

3]39

.0 [1

1.4]

5.8

70.7

[20.

7]36

.2 [1

0.6]

5.7

69.2

[20.

3]49

.3 [1

4.5]

5.8

67.9

[19.

9]47

.1 [1

3.8]

5.7

66.1

[19.

4]43

.8 [1

2.8]

5.7

63.8

[18.

7]56

.8 [1

6.6]

5.7

62.7

[18.

4]54

.3 [1

5.9]

5.7

61.0

[17.

9]50

.4 [1

4.8]

5.6

61.0

[17.

9]60

.0 [1

7.6]

5.7

59.9

[17.

6]57

.3 [1

6.8]

5.6

58.3

[17.

1]53

.2 [1

5.6]

5.5

58.0

[17.

0]58

.0 [1

7.0]

5.6

57.0

[16.

7]57

.0 [1

6.7]

5.6

55.4

[16.

2]55

.4 [1

6.2]

5.5

105

[40.

6]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

71.4

[20.

9]39

.3 [1

1.5]

6.2

70.2

[20.

6]37

.6 [1

1.0]

6.2

68.2

[20.

0]34

.9 [1

0.2]

6.1

66.6

[19.

5]47

.9 [1

4.0]

6.2

65.4

[19.

2]45

.8 [1

3.4]

6.1

63.6

[18.

6]42

.5 [1

2.5]

6.0

61.3

[18.

0]55

.4 [1

6.2]

6.1

60.2

[17.

6]52

.9 [1

5.5]

6.0

58.5

[17.

1]49

.1 [1

4.4]

5.9

58.4

[17.

1]58

.4 [1

7.1]

6.0

57.4

[16.

8]55

.9 [1

6.4]

6.0

55.8

[16.

3]51

.9 [1

5.2]

5.9

55.5

[16.

3]55

.5 [1

6.3]

6.0

54.5

[16.

0]54

.5 [1

6.0]

5.9

53.0

[15.

5]53

.0 [1

5.5]

5.9

110

[43.

3]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

68.7

[20.

1]37

.7 [1

1.1]

6.6

67.4

[19.

8]36

.0 [1

0.6]

6.6

65.6

[19.

2]33

.5

[9.8

]6.

5

63.8

[18.

7]46

.3 [1

3.6]

6.6

62.7

[18.

4]44

.2 [1

3.0]

6.5

60.9

[17.

9]41

.1 [1

2.0]

6.4

58.5

[17.

1]53

.7 [1

5.7]

6.5

57.4

[16.

8]51

.3 [1

5.0]

6.4

55.8

[16.

4]47

.7 [1

4.0]

6.3

55.6

[16.

3]55

.6 [1

6.3]

6.4

54.6

[16.

0]54

.4 [1

5.9]

6.4

53.1

[15.

6]50

.5 [1

4.8]

6.3

52.7

[15.

4]52

.7 [1

5.4]

6.4

51.7

[15.

2]51

.7 [1

5.2]

6.3

50.3

[14.

7]50

.3 [1

4.7]

6.2

115

[46.

1]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

65.7

[19.

2]35

.9 [1

0.5]

7.1

64.5

[18.

9]34

.3 [1

0.0]

7.0

62.7

[18.

4]31

.8

[9.3

]6.

9

60.8

[17.

8]44

.4 [1

3.0]

7.0

59.7

[17.

5]42

.4 [1

2.4]

6.9

58.1

[17.

0]39

.4 [1

1.6]

6.8

55.5

[16.

3]51

.9 [1

5.2]

6.9

54.5

[16.

0]49

.6 [1

4.5]

6.8

53.0

[15.

5]46

.1 [1

3.5]

6.7

52.6

[15.

4]52

.6 [1

5.4]

6.8

51.7

[15.

2]51

.7 [1

5.2]

6.8

50.3

[14.

7]48

.9 [1

4.3]

6.7

49.7

[14.

6]49

.7 [1

4.6]

6.8

48.8

[14.

3]48

.8 [1

4.3]

6.7

47.4

[13.

9]47

.4 [1

3.9]

6.7

120

[48.

9]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

62.5

[18.

3]33

.8 [9

.9]

7.5

61.4

[18.

0]32

.3

[9.5

]7.

4

59.7

[17.

5]30

.0

[8.8

]7.

3

57.6

[16.

9]42

.4 [1

2.4]

7.4

56.6

[16.

6]40

.5 [1

1.9]

7.4

55.0

[16.

1]37

.6 [1

1.0]

7.3

52.3

[15.

3]49

.9 [1

4.6]

7.3

51.4

[15.

1]47

.6 [1

4.0]

7.3

49.9

[14.

6]44

.2 [1

3.0]

7.2

49.5

[14.

5]49

.5 [1

4.5]

7.3

48.6

[14.

2]48

.6 [1

4.2]

7.2

47.2

[13.

8]47

.0 [1

3.8]

7.1

46.5

[13.

6]46

.5 [1

3.6]

7.2

45.7

[13.

4]45

.7 [1

3.4]

7.2

44.4

[13.

0]44

.4 [1

3.0]

7.1

125

[51.

7]

Tota

l BTU

H [k

W]

Sens

BTU

H [k

W]

Pow

er

59.1

[17.

3]31

.6

[9.3

]8.

0

58.0

[17.

0]30

.2

[8.8

]7.

9

56.4

[16.

5]28

.0

[8.2

]7.

8

54.2

[15.

9]40

.1 [1

1.8]

7.9

53.3

[15.

6]38

.3 [1

1.2]

7.8

51.8

[15.

2]35

.6 [1

0.4]

7.7

48.9

[14.

3]47

.6 [1

3.9]

7.8

48.0

[14.

1]45

.5 [1

3.3]

7.7

46.7

[13.

7]42

.2 [1

2.4]

7.6

46.1

[13.

5]46

.1 [1

3.5]

7.8

45.2

[13.

3]45

.2 [1

3.3]

7.7

44.0

[12.

9]44

.0 [1

2.9]

7.6

43.1

[12.

6]43

.1 [1

2.6]

7.7

42.3

[12.

4]42

.3 [1

2.4]

7.6

41.2

[12.

1]41

.2 [1

2.1]

7.5

DR —

Depr

essi

on ra

tiodb

E —

Ente

ring

air d

ry b

ulb

wbE

—En

terin

g ai

r wet

bul

b

Tota

l —

Tota

l cap

acity

x 1

000

BTUH

Sens

—Se

nsib

le c

apac

ity x

100

0 BT

UHPo

wer

—KW

inpu

t

NOTE

S:➀

Whe

n th

e en

terin

g ai

r dry

bul

b is

oth

er th

an 8

0°F

[27°

C], a

djus

t the

sen

sibl

eca

paci

ty fr

om th

e ta

ble

by a

ddin

g [1

.10

x CF

M x

(1 –

DR)

x (d

bE –

80)

].

[ ]

Des

igna

tes

Met

ric

Co

nver

sio

ns

AirAirflow PerformanceRLKN Series

13

CO

MP

ON

EN

T A

IR R

ES

ISTA

NC

E

NOTE

S:1.

Per

form

ance

sho

wn

with

dry

coi

l & s

tand

ard

2" [5

0.8

mm

] filt

ers.

2. S

tand

ard

CFM

@ .0

75 lb

s./c

u. ft

.3.

Mot

or e

ffici

ency

= 8

0%4.

BHP

=W

atts

x M

otor

Eff.

746

5. A

dd c

ompo

nent

resi

stan

ce to

duc

t sta

tic to

det

erm

ine

E.S.

P. as

sho

wn

on c

harts

.

[ ]

Des

igna

tes

Met

ric

Co

nver

sio

ns

Com

pone

ntSt

anda

rd In

door

Air

flow

—CF

M [L

/s]

2200

[944

]24

00 [1

133]

2600

[122

7]28

00 [1

321]

3200

[151

0]34

00 [1

605]

Res

ista

nce—

Inch

es W

ater

[kPa

]W

et C

oil

.079

.090

.102

.118

.128

.135

Dow

nflo

w.0

61.0

79.0

89.1

00.1

08.1

12R

.S.I.

Eco

nom

izer

R.A

. Dam

per

.09

.10

.11

.12

.13

.15

BE

LT-D

RIV

E A

IRFL

OW

PE

RFO

RM

AN

CE

—R

LKN

-B07

3/R

LKN

-C07

3

Driv

e Pa

ckag

eL

MM

otor

H.P

. [w

]1-

1/2

[111

8.5]

1-1/

2 [1

118.

5]Bl

ower

She

ave

6.4

Pitc

h D

iam

eter

6.4

Pitc

h D

iam

eter

Mot

or S

heav

eAd

just

able

2.8

-3.8

Pitc

h D

iam

eter

Adju

stab

le 3

.4-4

.4 P

itch

Dia

met

erTu

rns

Ope

n0

12

34

56

01

23

45

6R

PM11

0010

5010

0094

589

584

578

012

9512

3011

9511

4511

0010

5010

00

Air

Flow

CFM

[L/s

]

Capa

city

6 To

n [2

1.10

kW

]Vo

ltage

208/

230-

460

& 5

75—

3 Ph

ase

2500

[118

0]87

085

591

091

594

597

598

010

2010

2010

8510

4511

4010

8012

0011

1012

6011

3513

0011

7513

9012

0514

5012

3015

3012

5015

8012

9516

30—

—26

00 [1

227]

900

945

940

1005

975

1060

1005

1105

1040

1175

1065

1225

1100

1295

1135

1350

1165

1425

1200

1505

1225

1580

1240

1635

1270

1665

——

Exte

rnal

Sta

tic P

ress

ure—

Inch

es o

f Wat

er [k

Pa]

——

2700

[127

4]93

010

7597

011

0010

0011

4510

3012

0010

6012

6010

9013

3511

2513

9511

5514

7011

8515

4012

2016

1512

3516

7512

5517

30—

——

0.1

[.02

]

—

0.2

[.05

]

—

0.3

[.07

]

—

0.4

[.10

]

2800

[132

1]

0.5

[.12

]

960

0.6

[.15

]

1150

0.7

[.17

]

1000

0.8

[.20

]

1195

0.9

[.22

]

1025

1.0

[.25

]

1240

1.1

[.27

]

1055

1.2

[.30

]

1305

1.3

[.32

]

1085

1.4

[.35

]

1350

1.5

[.37

]

1115

1440

RPM

WR

PMW

RPM

WR

PMW

RPM

WR

PMW

RPM

WR

PMW

RPM

WR

PMW

RPM

WR

PMW

RPM

WR

PMW

RPM

W18

00

[850

]—

——

——

—78

556

085

060

589

565

093

067

097

572

010

1076

010

5080

010

9085

011

2089

011

5094

011

8098

012

1010

1519

00

[897

]—

——

—78

558

083

061

587

566

091

570

095

574

099

077

010

2081

510

7085

511

0592

511

3596

011

6510

1511

9510

7512

2011

1520

00

[944

]—

—77

560

081

562

586

067

589

572

093

075

097

580

010

1584

010

5090

010

8594

011

2010

0011

4510

3511

7510

9012

0511

5012

3012

0521

00

[991

]—

—81

065

084

068

088

074

092

078

095

582

099

588

010

3092

010

6596

011

0010

2511

3010

6011

6011

3011

9011

8012

2012

5012

4012

9522

00 [1

038]

780

660

825

700

865

750

910

810

945

850

980

880

1015

930

1050

1000

1080

1045

1120

1100

1145

1160

1180

1220

1205

1260

1230

1330

1255

1380

2300

[108

5]81

572

085

576

089

083

093

087

096

091

010

0096

010

3510

0510

6510

6011

0011

3011

3511

8011

6012

5012

0013

2512

2013

7012

4014

25—

—24

00 [1

133]

845

780

880

835

920

900

950

945

990

990

1025

1050

1055

1110

1085

1155

1120

1215

1150

1335

1185

1355

1220

1430

1235

1470

1255

1525

——

1145

1510

1180

1560

1210

1620

1235

1740

1250

1775

1295

——

——

——

—29

00 [1

369]

1000

1245

1025

1290

1055

1350

1080

1400

1120

1480

1145

1550

1180

1640

1210

1720

1225

1700

1250

1850

1290

1895

——

——

——

——

3000

[141

6]10

2513

2510

5013

9510

8014

5511

1515

4011

4516

2011

7516

5512

1017

5512

2518

4012

4519

1012

9519

70—

——

——

——

——

—

NOTE

: L-D

rive

left

of b

old

line,

M-D

rive

right

of b

old

line.

Fact

ory

shea

ve s

ettin

gs a

re s

how

n in

bol

d pr

int.

14

AirElectrical DataRLKN Series

ELECTRICAL DATA – RLKN SERIES(B,C)073CL (B,C)073CM (B,C)073DL (B,C)073DM (B,C)073YL (B,C)073YM

Uni

t Inf

orm

atio

n

Unit OperatingVoltage Range 187-253 187-253 414-506 414-506 518-632 518-632

Volts 208/230 208/230 460 460 575 575Phase 3 3 3 3 3 3

Hz 60 60 60 60 60 60Minimum Circuit Ampacity 31 31 16 16 11 11

Minimum OvercurrentProtection Device Size 35 35 20 20 15 15

Maximum OvercurrentProtection Device Size 45 45 20 20 15 15

Com

pres

sor M

otor

No. 1 1 1 1 1 1Volts 208/230 208/230 460 460 575 575Phase 3 3 3 3 3 3RPM 3450 3450 3450 3450 3450 3450

HP, Compressor 1 5 5 5 5 5 5Amps (RLA), Comp. 1 17.6 17.6 8.5 8.5 6.3 6.3Amps (LRA), Comp. 1 136 136 66.1 66.1 55.3 55.3

Cond

ense

r Mot

or

No. 1 1 1 1 1 1Volts 208/230 208/230 460 460 575 575Phase 1 1 1 1 1 1

HP 1/2 1/2 1/2 1/2 1/2 1/2Amps (FLA, each) 2.3 2.3 1.5 1.5 1 1Amps (LRA, each) 5.6 5.6 3.1 3.1 2.2 2.2

Evap

orat

or F

an

No. 1 1 1 1 1 1Volts 208/230 208/230 460 460 575 575Phase 3 3 3 3 3 3

HP 2 2 2 2 1 1/2 1 1/2Amps (FLA, each) 6.2 6.2 3 3 2.1 2.1Amps (LRA, each) 47 47 24 24 13.1 13.1

15

AirElectric Heater KitsRLKN Series

208/

240

VOLT

, TH

REE

PH

ASE,

60

HZ,

AU

XILI

ARY

ELEC

TRIC

HEA

TER

KIT

S CH

ARAC

TER

ISTI

CS A

ND

APP

LICA

TIO

NSi

ngle

Pow

er S

uppl

y fo

r Bot

h U

nit a

nd H

eate

r Kit

Sepa

rate

Pow

er S

uppl

y fo

r Bot

h U

nit a

nd H

eate

r Kit

Hea

ter K

itAi

r Con

ditio

ner

Hea

ter K

itAi

r Con

ditio

ner

Mod

elN

o.R

LKN

-

RXJ

J-H

eate

r Kit

Nom

inal

kW

No.

of

Sequ

ence

Step

s

Rat

ed H

eate

rkW

@20

8/24

0V

Hea

ter

kBTU

/Hr @

208/

240V

Hea

ter

Amp

@20

8/24

0V

Uni

t Min

. Ckt

.Am

paci

ty @

240V

Max

. Ove

r Cur

rent

Prot

ectiv

e D

evic

e Si

zeM

in. C

kt.

Ampa

city

208/

240V

Max

. Fus

eSi

ze20

8/24

0V

Min

. Cir

cuit

Ampa

city

208/

240V

Max

. Ove

r Cur

rent

Prot

ectiv

e D

evic

e Si

ze20

824

020

824

0V

B073

CL/

C073

CL

No

Hea

t—

——

—31

/31

4545

——

31/3

145

45A0

6C1

4.2/

5.6

14.3

3/19

.111

.7/1

3.5

31/3

145

4515

/17

15/2

031

/31

4545

A10C

17.

2/9.

624

.56/

32.7

520

/23.

131

/37

4545

25/2

925

/30

31/3

145

45A1

5C1

10.8

/14.

436

.84/

49.1

330

.1/3

4.7

46/5

250

6038

/44

40/4

531

/31

4545

A20C

114

.4/1

9.2

49.1

3/65

.540

/46.

358

/66

6070

50/5

850

/60

31/3

145

45A2

4C1

18/2

461

.41/

81.8

850

/57.

771

/80

8080

63/7

370

/80

31/3

145

45

B073

CM/

C073

CM

No

Hea

t—

——

—31

/31

4545

——

31/3

145

45A0

6C1

4.2/

5.6

14.3

3/19

.111

.7/1

3.5

31/3

145

4515

/17

15/2

031

/31

4545

A10C

17.

2/9.

624

.56/

32.7

520

/23.

131

/37

4545

25/2

925

/30

31/3

145

45A1

5C1

10.8

/14.

436

.84/

49.1

330

.1/3

4.7

46/5

250

6038

/44

40/4

531

/31

4545

A20C

114

.4/1

9.2

49.1

3/65

.540

/46.

358

/66

6070

50/5

850

/60

31/3

145

45A2

4C1

18/2

461

.41/

81.8

850

/57.

771

/80

8080

63/7

370

/80

31/3

145

45

480

VOLT

, TH

REE

PH

ASE,

60

HZ,

AU

XILI

ARY

ELEC

TRIC

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S CH

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ngle

Pow

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Sepa

rate

Pow

er S

uppl

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Hea

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itAi

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ner

Hea

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itAi

r Con

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ner

Mod

elN

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LKN

-

RXJ

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r Kit

Nom

inal

kW

No.

of

Sequ

ence

Step

s

Rat

ed H

eate

r kW

@48

0V

Hea

ter

kBTU

/Hr @

480V

Hea

ter

Amp

@48

0V

Uni

t Min

. Ckt

.Am

paci

ty @

480V

Max

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r Cur

rent

Prot

ectiv

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evic

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in. C

kt.

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city

480V

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Prot

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evic

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0V

B073

DL/

C073

DL

No

Hea

t—

——

—16

20—

—16

20A0

6D1

5.6

19.1

6.7

1620

915

1620

A10D

19.

632

.75

11.6

1920

1515

1620

A15D

114

.449

.13

17.4

2630

2225

1620

A20D

119

.265

.523

.333

3530

3016

20A2

4D1

2481

.88

28.9

4040

3740

1620

B073

DM

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73D

M

No

Hea

t—

——

—16

20—

—16

20A0

6D1

5.6

19.1

6.7

1620

915

1620

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19.

632

.75

11.6

1920

1515

1620

A15D

114

.449

.13

17.4

2630

2225

1620

A20D

119

.265

.523

.333

3530

3016

20A2

4D1

2481

.88

28.9

4040

3740

1620

*= F

or C

anad

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use

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s “P

” fu

ses

for i

nduc

tive

circ

uit.

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Fie

ld in

stal

led

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.

16

AirElectric Heater KitsRLKN Series

600

VOLT

, TH

REE

PH

ASE,

60

HZ,

AU

XILI

ARY

ELEC

TRIC

HEA

TER

KIT

S CH

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Pow

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Sepa

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itAi

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ner

Hea

ter K

itAi

r Con

ditio

ner

Mod

elN

o.R

LKN

-

RXJ

J-H

eate

r Kit

Nom

inal

kW

No.

of

Sequ

ence

Step

s

Rat

ed H

eate

r kW

@60

0V

Hea

ter

kBTU

/Hr @

600V

Hea

ter

Amp

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0V

Uni

t Min

. Ckt

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ty @

600V

Max

. Ove

r Cur

rent

Prot

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evic

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. Ove

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Prot

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evic

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ze60

0V60

0V

B073

YL/

C073

YL

No

Hea

t—

——

—11

15—

—11

15A1

5Y1

14.4

49.1

313

.920

2018

2011

15A2

0Y1

19.2

65.5

18.8

2730

2425

1115

A24Y

124

81.8

823

.132

3529

3011

15

B073

YM/

C073

YM

No

Hea

t—

——

—11

15—

—11

15A1

5Y1

14.4

49.1

313

.920

2018

2011

15A2

0Y1

19.2

65.5

18.8

2730

2425

1115

A24Y

124

81.8

823

.132

3529

3011

15*=

For

Can

adia

n us

e on

ly. U

ses

“P”

fuse

s fo

r ind

uctiv

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rcui

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= F

ield

inst

alle

d on

ly.

17

AirDimensional DataRLKN Series


6 TON [21.1 kW] MODEL

BACK VIEW

18

41/2�[114 mm]

RETURNAIR SUPPLY

AIR

131/8�[333 mm]

4.502�[114 mm]

45/8�[118 mm]

25/32�[55 mm]

23/8�[60 mm]

23/8�[60 mm]

23/8�[60 mm]

7715/32�[1968 mm]

131/8�[333 mm]

20�[508 mm]

437/32�[1098 mm]

26�[660 mm]

IllustrationST-A1143



6 TON [21.1 kW] MODEL

FRONT VIEW

TOP VIEW

SIDE VIEW

IllustrationST-A1143

19

Accessory

Economizer with Single Enthalpy, Downflow/SideflowPower ExhaustFresh Air Damper (Manual)Fresh Air Damper (Motorized)Roof Curb 14"Roof Curb 24"Concentric Diffuser 18" FlushConcentric Diffuser 20" Flush

14 [6]21 [10]80 [36]

6 Ton [21.1 kW]

92 [42]

37 [17]

16 [7]

108 [49]

54 [24]

12 [5]17 [8]70 [32]

88 [40]

26 [12]

14 [6]

104 [47]

42 [19]

Shippinglbs [kg]

Operatinglbs [kg]

Side Discharge Concentric Diffuser RXRN-FA60Side Discharge Concentric Diffuser RXRN-FA65

—55 [25]

—40 [18]

VFD Kit 7 [3] 5 [2]

WEIGHTS

39 [991] 261/8 [664]6 [21.1]Capacity Tons [kW] A in. [mm] B in. [mm]

CENTER OF GRAVITY (C.G.)

A B C D23% 29% 21% 27%

6 [21.1]

Capacity Tons [kW] Corner Weights by Percentage

CLEARANCESThe following minimum clearances are recommendedfor proper unit performance and serviceability.

NOTE: Supply duct maybe installed with “0” inchclearance to combustiblematerials, provided 1" [25.4 mm] minimum.Fiberglass insulation isapplied either inside or onthe outside of the duct.

RecommendedClearance in. [mm] Location

48 [1219] A - Front18 [457] B - Condenser Coil

*12 [305] C - Duct Side36 [914] D - Evaporator End60 [1524] E - Above

*57" [1448 mm] With Economizer

CLEARANCES6 Ton [21.1 kW] Models [ ] Designates Metric Conversions


20

AirAccessoriesRLKN Series

AccessoryDescription Model Application Accessory

Model No. Factory Installed

Roofcurb, 14" RLKN-(B,C)073 RXKG-CAD14 NoRoofcurb, 24" RLKN-(B,C)073 RXKG-CAD24 NoRoofcurb adapters RLKN-(B,C)073 RXRX-CCCE50 NoEconomizer (JADE) with single enthalpy ¿ RLKN-B073 AXRD-01RCCAM3 YesEconomizer (JADE) with smoke detector ¿ RLKN-B073 AXRD-01RCCBM3 YesDual enthalpy kit for economizer (JADE) RLKN-B073 RXRX-AV02 NoEconomizer (DDC) with single enthalpy ¿ RLKN-C073 AXRD-01RHCCM3 YesEconomizer (DDC) with smoke detector ¿ RLKN-C073 AXRD-01RHCDM3 YesDual enthalpy kit for economizer (DDC) RLKN-C073 RXRX-AV03 NoCO2 sensor RLKN-(B,C)073 RXRX-AR02 NoPower exhaust (C, D, Y voltages) RLKN-(B,C)073 AXRX-BGF03 (C,D,Y) NoFresh air damper, manual RLKN-(B,C)073 AXRF-FCA1 NoFresh air damper, motorized RLKN-(B,C)073 AXRF-JHB1 NoRectangular-to-round 20" duct adapters for concentric diffuser RLKN-(B,C)073 RXMC-CC04 No

Concentric diffuser 20", step type RLKN-(B,C)073 RXRN-FA65 NoConcentric diffuser 20", flush type RLKN-(B,C)073 RXRN-FA75 NoLouver kit, 3-sided RLKN-(B,C)073 AXRX-AAD01B YesCompressor time delay RLKN-B073 RXMD-B04 NoLow ambient control RLKN-(B,C)073 RXRZ-A04 YesConvenience outlet (requires separate power supply) RLKN-(B,C)073 RXRX-AN02 YesFreeze stat control RLKN-B073 RXRX-AM01 YesComfort Alert RLKN-C073 RXRX-AZ01 YesBACnet® Communication Card RLKN-C073 RXRX-AY01 NoLonWorks™ Communication Card RLKN-C073 RXRX-AY02 NoVFD Kit, 208/230V, Non-communicating RLKN-B073C RXRX-NC02 NoVFD Kit, 460V, Non-communicating RLKN-B073D RXRX-ND02 NoVFD Kit, 208/230V, Communicating RLKN-C073C RXRX-PC02 NoVFD Kit, 460V, Communicating RLKN-C073C RXRX-PD02 No

ACCESSORY EQUIPMENT

*VoltageC = 208-230 VAC-3PH-60HZD = 460 VAC-3PH-60HZY = 575 VAC-3PH-60HZNOTES: ¿ Economizer is designed for downflow or horizontal applications.

21

ROOM TEMPERATURE SENSOR RHC-ZNS1with TIMED OVERRIDE BUTTON

10kΩ room temperature sensor transmits room temperature to DDC system. Timed override buttonallows tenant to change from unoccupied temperature setpoint to occupied temperature setpoint for apreset time.

ROOM TEMPERATURE SENSOR RHC-ZNS2with TIMED OVERRIDE BUTTON and STATUS INDICATOR

10kΩ room temperature sensor transmits room temperature to DDC system. Timed override buttonallows tenant to change from unoccupied temperature setpoint to occupied temperature setpoint for apreset time. Status Indicator Light transmits ALARM flash code to occupied space.

ROOM TEMPERATURE SENSOR RHC-ZNS3with SETPOINT ADJUSTMENT and TIMED OVERRIDE BUTTON

10kΩ room temperature sensor with setpoint adjustment transmits room temperature to DDC systemalong with desired occupied room temperature setpoint. Timed override button allows tenant to changefrom unoccupied temperature setpoint to occupied temperature setpoint for a preset time.

ROOM HUMIDITY SENSOR RHC-ZNS4

Transmits room relative humidity to DDC System.

ROOM TEMPERATURE AND RELATIVE HUMIDITY SENSOR RHC-ZNS5

Transmits room temperature and relative humidity to DDC System.

FLUSH MOUNT ROOM TEMPERATURE SENSORS FOR NETWORKED DDC APPLICATIONS


22


BACnet® COMMUNICATION CARD RXRX-AY01

The field installed BACnet® Communication Card allows the RTU-C unit controller to communicate witha third party building management system that supports the BACnet Application Specific Controllerdevice profile. The BACnet® Communication Module plugs onto the unit RTU-C controller and allowscommunication between the RTU-C and the BACnet MSTP network.

LonWorks® COMMUNICATION CARD RXRX-AY02

The field installed LonWorks® Communication Card allows the RTU-C unit controller to communicatewith a third party building management system that supports the LonMark Space Comfort Controller(SCC) functional profile or LonMark Discharge Air Controller (DAC) functional profile. The LonMarkCommunication Module plugs onto the RTU-C controller and allows communication between the RTU-C and a LonWorks Network.

COMMUNICATION CARDSField Installed

23

ROOFCURB ADAPTER

Old Models OLD CURB MODEL ROOFCURB ADAPTER NEW MODEL

COMMERCIAL PACKAGE UNIT(6 TON [21.1 kW]) RXRK-E50 RXRX-CCCE50

RLKN-B073RLKN-C073

(-)RCF, (-)REF, (-)RGF131 & 201, RGF150



24


ROOFCURBS (Full Perimeter)n Rheem’s new roofcurb design can be utilized on

3 through 6 ton [10.6-21.1 kW] models.

n Two available heights (14" [356 mm] and24" [610 mm]) for ALL models.

n Quick assembly corners for simple and fast assembly.

n Opening provided in bottom pan to match the “Thru the Curb” electrical connection opening provided on the unit base pan.

n 2" [51 mm] x 4" [102 mm] Nailer provided.

n Insulating panels provided.

n Sealing gasket (28" [711 mm]) providedwith Roofcurb.

n Packaged for easy field assembly.

Roofcurb Model Height of CurbRXKG-CAD14 14" [356 mm]RXKG-CAD24 24" [610 mm]


TYPICAL INSTALLATION

25

ECONOMIZERS (JADE)— FOR RLKN-B073AXRD-01RCCAM3—6 Ton [21.1 kW] Models Single Enthalpy (with Barometric Relief)AXRD-01RCCBM3—6 Ton [21.1 kW] Models Single Enthalpy and Smoke Detector

RXRX-AV02—6 Ton [21.1 kW] Models Dual Enthalpy Kit

RXRX-AR02—6 Ton [21.1 kW] Models Optional CO2 Sensor

■ Features Honeywell JADE™ Digital Controls■ Available factory installed or field accessory■ Gear Driven Direct Drive Actuator■ Fully Modulating (0-100%)■ Low Leakage Dampers■ Horizontal or Downflow Applications■ Slip-In Design for Easy Installations■ Plug-In Polarized 12-pin Electrical Connections■ Pre-configuring—No Field Adjustments Necessary■ Standard Barometric Relief Damper Provided■ Single Enthalpy with Dual Enthalpy upgrade kit■ CO2 Input Sensor Available (field installed)■ Economizer slips in complete for downflow or

horizontal duct applications■ Field assembled hood ships with Economizer■ Field installed power exhaust available.


ENTHALPY SENSOR

ECONOMIZER CONTROLLER

ECONOMIZER ACTUATOR

WIRING DIAGRAM& MODEL NO.

47/8�[124 mm]

2115/16�[557 mm]

211/4�[540 mm] 173 /8�

[441 mm]


26


ENTHALPY SENSOR

ECONOMIZER CONTROLLER

ECONOMIZER ACTUATOR

WIRING DIAGRAM& MODEL NO.

47/8�[124 mm]

2115/16�[557 mm]

2713/16�[706 mm] 173 /8�

[441 mm]

ECONOMIZERSAXRD-01RHCCM3—6 Ton [21.1 kW] Models DDC Economizer w/Single Enthalpy and Barometric Relief

AXRD-01RHCDM3—6 Ton [21.1 kW] Models DDC Economizer w/Single Enthalpy, Barometric Relief and Smoke Detector

RXRX-AV03—6 Ton [21.1 kW] Models Dual Enthalpy KitRXRX-AR02—6 Ton [21.1 kW] Models Optional CO2 Sensor

6 Ton [21.1 kW] Models

■ Features Honeywell Controls■ Available factory installed or field accessory■ Gear Driven Direct Drive Actuator■ Fully Modulating (0-100%)■ Extra Low Leakage Dampers California Title 24

Compliant■ Horizontal or Downflow Applications■ Slip-In Design for Easy Installations■ Plug-In Polarized 12-pin Electrical Connections■ Pre-configuring—No Field Adjustments Necessary■ Standard Barometric Relief Damper Provided■ Single Enthalpy with Dual Enthalpy upgrade kit■ CO2 Input Sensor Available (field installed)■ Economizer slips in complete for downflow or

horizontal duct applications■ Field assembled hood ships with Economizer■ Optional Remote minimum position

(Honeywell #S963B1128) is available from Rheem Parts

■ Field installed power exhaust available■ If connected to a Building Automation System

(BAS), all economizer functions can be viewedon the (BAS), or 16 x 2 LCD screen

■ If connected to thermostat, all economizer functionscan be viewed on 16 x 2 LCD screen


27


FRESH AIR DAMPERRLKN 6 Ton [21.1 kW] ModelsAXRF-FCA1 (Manual)AXRF-JHB1 (Motorized)

Model No. Volts

AXRX-BGF03C 208/230

AXRX-BGF03Y ¡ 575

No. of Fans

1

1 1

1

Phase

800

1000

Watts (ea.)

2370

2500

High Speed

1620

1725

1.5

4.4

FLA (ea.)

3.3

23.7

LRA (ea.)CFM ¿ RPM

AXRX-BGF03D 4601 1 800 2370 1620 1.8 4.1

¿ CFM is at 0" w.c. external static pressure¡ Unit includes 575 to 460 Volt step-down transformer

POWER EXHAUST KIT FOR AXRD-01CCAM3, AXRD-01CCBM3, AXRD-01RHCCM3 & AXRD-01RHCDM3 ECONOMIZERS

Shippinglbs [kg]70 [32]

Operatinglbs [kg]67 [30]

FRESH AIR DAMPER

I319.DGN

INTEGRAL POWER EXHAUST FOR ECONOMIZER(FIELD INSTALLED ONLY)AXRX-BGF03(C,D,Y)—RLKN 6 Ton [21.1 kW] Model

n For Honeywell Economizern Downflow or horizontal applicationsn Requires separate 208-230 volt – 1 PH power

supply with disconnect or requires separate 460V - 1 PH power supply with disconnect.

n Adjustable switch on economizer, factory preset toenergize power exhaust at 95% outside air position

n Polarized plug connects power exhaust relay to economizer


28


DUCT ADAPTERS (RLKN 6 TON [21.1 kW] MODELS)Rectangular to RoundTransitions (Downflow)

Accessory Model No. Size in. [mm]RXMC-CC04 20 [508] Round

Model Application Tons [kW]6 [21.1]


29

SIDE DISCHARGE CONCENTRIC DIFFUSERRXRN-FA65 (6 Ton [21.1 kW] Models)

For Use With Duct Adapter (RXMC)

Model No. A B C D E F G H I J K DuctSize

RXRN-FA65 475/8"[1210 mm]

295/8"[752 mm]

143/8"[365 mm]

271/2"[699 mm]

451/2"[1156 mm]

221/2"[572 mm]

111/2"[292 mm]

133/4"[349 mm]

451/2"[1156 mm]

271/2"[699 mm]

81/8"[206 mm] 20RD

Model No. CFM [L/s] StaticPressure

ThrowFeet

NeckVel.

JetVel.

NoiseLevel

RXRN-FA65

2600 [1227] .17 24-29 669 669 202800 [1321] .20 25-30 720 720 253000 [1416] .25 27-33 772 772 253200 [1510] .31 28-35 823 823 253400 [1605] .37 30-37 874 874 30

DIMENSIONAL DATA

ENGINEERING DATA



30


FLUSH MOUNT CONCENTRIC DIFFUSERRXRN-FA75 (6 Ton [21.1 kW] Models)

For Use With Duct Adapter (RXMC)

DIMENSIONAL DATA

ENGINEERING DATA

Model No. A B C D E F G H DuctSize

RXRN-FA75 475/8"[1210 mm]

295/8"[752 mm]

165/8"[422 mm]

27"[686 mm]

451/2"[1156 mm]

221/2"[572 mm]

111/4"[286 mm]

131/2"[343 mm] 20RD

Model No. CFM [L/s] StaticPressure

ThrowFeet

NeckVel.

JetVel.

NoiseLevel

RXRN-FA75

2600 [1227] .17 19-24 663 1294 302800 [1321] .20 20-28 714 1393 353000 [1416] .25 21-29 765 1492 353200 [1510] .31 22-29 816 1592 403400 [1605] .37 22-30 867 1692 40


AirMechanical SpecificationsRLKN Series

31

GUIDE SPECIFICATIONS – RLKN-B073/RLKN-C073You may copy this document directly into your building specification. This specification is written to comply with the 2004 version of the“master-format” as published by the Construction Specification Institute. www.csinet.org.

ELECTRIC HEAT PACKAGED ROOFTOPHVAC Guide SpecificationsSize Range: 6 Nominal TonsSection Description23 06 80 Schedules for Decentralized HVAC Equipment 23 06 80.13 Decentralized Unitary HVAC Equipment Schedule 23 06 80.13.A. Rooftop unit schedule 1. Schedule is per the project specification requirements.23 07 16 HVAC Equipment Insulation 23 07 16.13 Decentralized, Rooftop Units: 1. Interior cabinet surfaces shall be insulated with a minimum 3/4-in. thick, minimum 1-1/2 lb density, flexible fiberglass insula-

tion bonded with a phenolic binder, with aluminum foil facing on the air side. 2. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.23 09 13 Instrumentation and Control Devices for HVAC 23 09 13.23 Sensors and Transmitters: 23 09 13.23.A. Thermostats 1. Thermostat must a. have capability to energize 2 different stages of cooling, and 1 stage of heating. b. must include capability for occupancy scheduling. c. energize both “W” and “G” when calling for heat.23 09 23 Direct-digital Control system for HVAC (RLKN-C073 Only) 23 09 23.13 Decentralized, Rooftop Units: 23 09 23.13.A. RTU-C controller 1. Shall be ASHRAE 62-2001 compliant. 2. Shall accept 18-32VAC input power. 3. Shall have an operating temperature range from -40ºF (-40ºC) to 158ºF (70ºC), 10% - 95% RH (non-condensing). 4. Controller shall accept the following inputs: space temperature, setpoint adjustment, outdoor air temperature, indoor air qual-

ity, outdoor air enthalpy, fire shutdown, return air enthalpy, fan status, remote time clock/door switch. 5. Shall accept a CO2 sensor in the conditioned space, and be Demand Control Ventilation (DCV) ready. 6. Shall provide the following outputs: Economizer, fan, cooling stage 1, cooling stage 2, heat stage 1, heat stage 2, heat stage

3/ exhaust/ occupied. 7. Unit shall provide surge protection for the controller through a circuit breaker. 8. Shall have a field installed communication card allowing the unit to be Internet capable, and communicate at a Baud rate of

19.2K or faster. 9. Shall have an LED display independently showing the status of activity on the communication bus, and processor operation. 10. Shall have either a field installed BACnet® plug-in communication card which includes an EIA-485 protocol communication

port, or a field installed LonWorks™ plug-in communications card. 11. Software upgrades will be accomplished by local download. Software upgrades through chip replacements are not allowed. 12. Shall be shock resistant in all planes to 5G peak, 11ms during operation, and 100G peak, 11ms during storage. 13. Shall be vibration resistant in all planes to 1.5G @ 20-300 Hz. 14. Shall support a bus length of 4000 ft max, 60 devices per 1000 ft section, and 1 RS-485 repeater per 1000 ft sections. 23 09 23.13.B. Open protocol, direct digital controller: 1. Shall be ASHRAE 62-2001 compliant. 2. Shall accept 18-30VAC, 50-60Hz, and consume 15VA or less power. 3. Shall have an operating temperature range from -40ºF (-40ºC) to 130ºF (54ºC), 10% - 90% RH (non-condensing). 4. Shall have either a field installed BACnet® plug-in communication card which includes an EIA-485 protocol communication

port, or a field installed LonWorks™ plug-in communications card. 5. The BACnet® plug in communication card shall include built-in protocol for BACNET (MS/TP and PTP modes). 6. The LonWorks™ plug in communication card shall include the Echelon processor required for all Lon applications. 7. Shall allow access of up to 62 network variables (SNVT). Shall be compatible with all open controllers. 8. Baud rate Controller shall be selectable through the EIA-485 protocol communication port. 9. Shall have an LED display independently showing the status of serial communication, running, errors, power, all digital out-

puts, and all analog inputs. 10. Shall accept the following inputs: space temperature, setpoint adjustment, outdoor air temperature, indoor air quality, outdoor

air enthalpy, compressor lock-out, fire shutdown, enthalpy switch, and fan status/filter status/ humidity/ remote occupancy.

32


11. Shall provide the following outputs: economizer, fan, cooling stage 1, cooling stage 2, heat stage 1, heat stage 2, heat stage3/ exhaust.

12. Software upgrades will be accomplished by either local or remote download. No software upgrades through chip replace-ments are allowed.

23 09 33 Electric and Electronic Control System for HVAC 23 09 33.13 Decentralized, Rooftop Units: 23 09 33.13.A. General: 1. Shall be complete with self-contained low-voltage control circuit protected by a replaceable fuse on the 24-v transformer

side. Transformer size is 40VA. 2. Shall utilize color-coded wiring. 3. Unit shall provide a minimum of one 10-pin screw terminal connection board for connection of control wiring. 4. Shall include a central control terminal board to conveniently and safely provide connection points for vital control functions

such as: smoke detectors, phase monitor, economizer, thermostat, DDC control options, loss of charge, freeze sensor, highpressure switches.

23 09 33.13.B. Safeties: 1. Compressor over-temperature, over current. 2. Loss of charge switch. a. Units with 2 compressors shall have different colored wires for the circuit 1 and circuit 2 low and high pressure switches. b. Loss of charge switch shall use different color wire than the high pressure switch. The purpose is to assist the installer and

service technician to correctly wire and or troubleshoot the rooftop unit. c. Loss of charge switch shall have a different sized connector than the high pressure switch. They shall physically prevent

the cross-wiring of the safety switches between the high and low pressure side of the system. 3. High-pressure switch. a. Units with 2 compressors shall have different colored wires for the circuit 1 and circuit 2 low and high pressure switches. b. High pressure switch shall use different color wire than the low pressure switch. The purpose is to assist the installer and

service person to correctly wire and or troubleshoot the rooftop unit. c. High pressure switch shall have a different sized connector than the loss of charge switch. They shall physically prevent the

cross-wiring of the safety switches between the high and low pressure side of the system. 4. Automatic reset, motor thermal overload protector. 5. Freeze protection sensor, evaporator coil.23 09 93 Sequence of Operations for HVAC Controls 23 09 93.13 Decentralized, Rooftop Units: 23 09 93.13 INSERT SEQUENCE OF OPERATION23 40 13 Panel Air Filters 23 40 13.13 Decentralized, Rooftop Units: 23 40 13.13.A. Standard filter section 1. Shall consist of factory-installed, low velocity, throwaway 1-in. thick fiberglass filters of commercially available sizes. 2. Unit shall use only one filter size. Multiple sizes are not acceptable. 3. Filter face velocity shall not exceed 365 fpm at nominal airflows. 4. Filters shall be accessible through an access panel as described in the unit cabinet section of the specification

(23 81 19.13.H). 5. Filter rack will also accept 2-in thick fiberglass filters of commercially available sizes by removal of a tab.23 81 19 Self-Contained Air Conditioners 23 81 19.13 Small-Capacity Self-Contained Air Conditioners 23 81 19.13.A. General 1. Outdoor, rooftop mounted, electrically controlled, heating and cooling unit utilizing a hermetic scroll compressor for cooling

duty and electric resistance heat for heating duty. 2. Factory assembled, single-piece heating and cooling rooftop unit. Contained within the unit enclosure shall be all factory

wiring, piping, controls, and special features required prior to field start-up. 3. Unit shall use environmentally safe, R-410A refrigerant. 4. Unit shall be installed in accordance with the manufacturer’s instructions. 5. Unit must be selected and installed in compliance with local, state, and federal codes. 23 81 19.13.B. Quality Assurance 1. Unit meets ASHRAE 90.1-2010 minimum efficiency requirements. 2. Unit shall be rated in accordance with AHRI Standards 210/240. 3. Unit shall be designed to conform to ASHRAE 15-2010. 4. Unit shall be UL-tested and certified in accordance with ANSI Z21.47 Standards and UL-listed and certified under Canadian

standards as a total package for safety requirements. 5. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation. 6. Unit casing shall be capable of withstanding 500-hour salt spray exposure per ASTM B117 (scribed specimen). 7. Unit casing shall be capable of withstanding Federal Test Method Standard No. 141 (Method 6061) 5000-hour salt spray.

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8. Unit shall be designed in accordance with ISO 9001:2008, and shall be manufactured in a facility registered by ISO9001:2008.

9. Roof curb shall be designed to conform to NRCA Standards. 10. Unit shall be subjected to a completely automated run test on the assembly line. The data for each unit will be stored at the

factory, and must be available upon request. 11. Unit shall be designed in accordance with UL Standard 1995, including tested to withstand rain. 12. Unit shall be constructed to prevent intrusion of snow and tested to prevent snow intrusion into the control box up to 40 mph. 23 81 19.13.C. Delivery, Storage, and Handling 1. Unit shall be stored and handled per manufacturer’s recommendations. 2. Lifted by crane requires either shipping top panel or spreader bars. 3. Unit shall only be stored or positioned in the upright position. 23 81 19.13.E. Project Conditions 1. As specified in the contract. 23 81 19.13.F. Operating Characteristics 1. Unit shall be capable of starting and running at 115°F (46°C) ambient outdoor temperature, meeting maximum load criteria of

AHRI Standard 210/240 at ± 10% voltage. 2. Compressor with standard controls shall be capable of operation down to 40°F (4°C), ambient outdoor temperatures. Acces-

sory low ambient kit is necessary if mechanically cooling at ambient temperatures below 40°F (4°C). 3. Unit shall discharge supply air vertically or horizontally as shown on contract drawings. 4. Unit shall be factory configured for vertical supply & return configurations. 5. Unit shall be field convertible from vertical to horizontal configuration. 23 81 19.13.G. Electrical Requirements 1. Main power supply voltage, phase, and frequency must match those required by the manufacturer. 23 81 19.13.H. Unit Cabinet 1. Unit cabinet shall be constructed of galvanized steel, and shall be bonderized and coated with a Pre-paint baked enamel fin-

ish on all externally exposed surfaces. 2. Unit cabinet exterior paint shall be: film thickness, (dry) 0.003 inches minimum, gloss (per ASTM D523, 60°F / 16°C): 60,Hard-

ness: H-2H Pencil hardness. 3. Evaporator fan compartment interior cabinet insulation shall conform to AHRI Standards 210/240 minimum exterior sweat cri-

teria. Interior surfaces shall be insulated with a minimum 3/4-in. thick, 1 lb. density, flexible fiberglass insulation, aluminumfoil-face coated on the air side.

4. Base of unit shall have locations for thru-the-base electrical connections (factory installed or field installed), standard. 5. Base Rail a. Unit shall have base rails on all sides. b. Holes shall be provided in the base rails for rigging shackles to facilitate maneuvering and overhead rigging. c. Holes shall be provided in the base rail for moving the rooftop by fork truck. d. Base rail shall be a minimum of 14 gauge thickness. 6. Condensate pan and connections: a. Shall be a condensate drain pan made of a non-corrosive material. Unit must be installed at a slight angle to allow for

complete drainage. b. Shall comply with ASHRAE Standard 62. c. Shall use a 3/4” x 14 NPT drain connection through the side of the drain pan. Connection shall be made per manufacturer’s

recommendations.. 7. Electrical Connections a. All unit power wiring shall enter unit cabinet at a single, factory-prepared, knockout location. b. Thru-the-base capability ii. Standard unit shall have a thru-the-base electrical location(s) using a raised, embossed portion of the unit basepan. ii. No basepan penetration, other than those authorized by the manufacturer, is permitted. 8. Component access panels (standard) a. Cabinet panels shall be easily removable for servicing. 9. Component access panels (optional) a. Panels covering control box, indoor blower assembly, indoor blower motor and air filters shall have metal hinges and quar-

ter (1/4) turn latches factory installed only. 23 81 19.13.J. Coils 1. Aluminum MicroChannel evaporator and condenser coils on all models. a. Shall have aluminum lanced fins thermally bonded to aluminum multi-port flat tube design (microchannel) tubes. Coils shall

be furnace brazed and contain epoxy lined shrink wrap on all aluminum to copper connections. b. Shall be leak tested using helium mass spectrometry. The leak rate shall not exceed 6.5 x 10-5 sccs of 100% helium at 200

psig, and qualified to UL 1995 burst test at 1950 psig. c. Evaporator coil includes internal distributor plate to prevent mal-distribution of two-phase refrigerant.


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23 81 19.13.K. Refrigerant Components 1. Refrigerant circuit shall include the following control, safety, and maintenance features: a. Thermal Expansion Valves (TXV). b. Refrigerant filter drier. c. Service gauge connections on suction and liquid lines. d. External pressure gauge ports access shall be located in front exterior of cabinet. 2. Compressors a. Unit shall use one fully hermetic, scroll compressor. b. Compressor motors shall be cooled by refrigerant gas passing through motor windings. c. Compressors shall be internally protected from high discharge temperature conditions. d. Compressors shall be protected from an over-temperature and over-amperage conditions by an internal, motor overload

device. e. Compressor shall be factory mounted on rubber grommets. f. Compressor motors shall have internal line break thermal and current overload protection along with high pressure differ-

ential protection. g. Crankcase heaters shall not be required for normal operating range. 23 81 19.13.L. Filter Section 1. Filters access is specified in the unit cabinet section of this specification. 2. Shall consist of factory-installed, low velocity, throw-away 1-in. thick fiberglass filters. 3. Filter face velocity shall not exceed 365 fpm at nominal airflows. 4. Filters shall be standard, commercially available sizes. 5. Only one size filter per unit is allowed. 6. Filter rack will also accept 2-in thick fiberglass filters of commercially available sizes by removal of a tab. 23 81 19.13.M. Evaporator Fan and Motor 1. Evaporator fan motor: a. Shall have permanently lubricated bearings. b. Shall have inherent automatic-reset thermal overload protection. c. Shall have a maximum continuous bhp rating for continuous duty operation; no safety factors above that rating shall

be required. 2. Belt-driven Evaporator Fan: a. Belt drive shall include an adjustable-pitch motor pulley. b. Shall use sealed, permanently lubricated ball-bearing type. c. Blower fan shall be double-inlet type with forward-curved blades. d. Shall be constructed from steel with a corrosion resistant finish and dynamically balanced. 3. High-Static Belt-driven Evaporator Fan Motor(s) and Drive(s): a. High-static motor(s) and drive(s) shall be factory-installed to provide additional performance range. 23 81 19.13.N. Condenser Fans and Motors 1. Condenser fan motors: a. Shall be a totally enclosed motor. b. Shall use permanently lubricated bearings. c. Shall have inherent thermal overload protection with an automatic reset feature. d. Shall use a shaft-down design. Shaft-up designs including those with “rain-slinger devices” shall not be allowed. 2. Condenser Fans shall: a. Shall be a direct-driven propeller type fan b. Shall have aluminum blades riveted to corrosion-resistant steel spiders and shall be dynamically balanced. 23 81 19.13.O. Special Features 1. Integrated Economizers: a. Integrated, gear-driven parallel modulating blade design type capable of simultaneous economizer and compressor operation. b. Module designed for vertical or horizontal return configurations. Vertical return configuration shall be available as a factory

installed option. c. Damper blades shall be galvanized steel with metal gears. Plastic or composite blades on intake or return shall not be

acceptable. d. Shall include all hardware and controls to provide free cooling with outdoor air when temperature and/or humidity are

below setpoints. e. Shall be equipped with gear driven dampers for both the outdoor ventilation air and the return air for positive air

stream control. f. Shall be capable of introducing up to 100% outdoor air. g. Shall be equipped with a barometric relief damper capable of relieving up to 100% return air. The barometric relief damper

shall include seals, hardware and hoods to relieve building pressure. Damper shall gravity close upon unit shut down. h. Shall be designed to close damper(s) during loss-of-power situations with spring return built into motor.

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i. An outdoor single-enthalpy sensor shall be provided as standard. Outdoor air enthalpy set point shall be adjustable andshall range from the enthalpy equivalent of 63°F @ 50% rh to 73°F @ 50% rh. Additional sensor options shall be availableas accessories.

j. The economizer controller shall also provide control of an accessory power exhaust unit function. Factory set at 70%, witha range of 0% to 100%.

k. The economizer shall maintain minimum airflow into the building during occupied period and provide design ventilationrate for full occupancy.

l. Economizer controller shall accept a 0-10Vdc CO2 sensor input over a CO2 range of 0-2000 ppm for IAQ/DCV control. Inthis mode, dampers shall modulate the outdoor-air damper to provide ventilation based on the sensor input.

m. Actuator shall be direct coupled to economizer gear. No linkage arms or control rods shall be acceptable. n. Economizer controller shall provide indications when in free cooling mode, in the DCV mode, or the exhaust fan contact

is closed. o. Ultra Low Leak Dampers shall meet California Title 24 requirements. p. Economizer controller shall meet California Title 24 FDD (Fault Detection and Diagnostics) requirements. 2. Two-Position Damper a. Damper shall be a Two-Position Damper. Damper travel shall be from the full closed position to the field adjustable

%-open setpoint. b. Damper shall include adjustable damper travel from 25% to 100% (full open). c. Damper shall include single or dual blade, gear driven damper and actuator motor. d. Actuator shall be direct coupled to economizer gear. No linkage arms or control rods shall be acceptable. e. Damper will admit up to 100% outdoor air for applicable rooftop units. f. Damper shall close upon indoor (evaporator) fan shutoff and/or loss of power. g. The damper actuator shall plug into the rooftop unit’s wiring harness plug. No hard wiring shall be required. h. Outside air hood shall include aluminum water entrainment filter. 3. Manual damper a. Manual damper package shall consist of damper, air inlet screen, and rain hood which can be preset to admit up to 50%

outdoor air for year round ventilation. 4. Head Pressure Control Package a. Controller shall control coil head pressure by condenser-fan cycling. 5. Condenser Coil Hail Guard Assembly a. Shall protect against damage from hail. b. Shall be louvered design. 6. Thru-the-Base Connectors: a. Kits shall provide connectors to permit electrical connections to be brought to the unit through the unit basepan. 7. Propeller Power Exhaust: a. Power exhaust shall be used in conjunction with an integrated economizer. b. Independent modules for vertical or horizontal return configurations shall be available. c. Horizontal power exhaust shall be mounted in return ductwork. d. Power exhaust shall be controlled by economizer controller operation. Exhaust fans shall be energized when dampers

open past the 0-100% adjustable setpoint on the economizer control. 8. Roof Curbs (Vertical): a. Full perimeter roof curb with exhaust capability providing separate airstreams for energy recovery from the exhaust air

without supply air contamination. b. Formed galvanized steel with wood nailer strip and shall be capable of supporting entire unit weight. c. Permits installation and securing of ductwork to curb prior to mounting unit on the curb. 9. Outdoor Air Enthalpy Sensor: a. The outdoor air enthalpy sensor shall be used to provide single enthalpy control. When used in conjunction with a return air

enthalpy sensor, the unit will provide differential enthalpy control. The sensor allows the unit to determine if outside air issuitable for free cooling.

10. Return Air Enthalpy Sensor: a. The return air enthalpy sensor shall be used in conjunction with an outdoor air enthalpy sensor to provide differential

enthalpy control. 11. Indoor Air Quality (CO2) Sensor: a. Shall be able to provide demand ventilation indoor air quality (IAQ) control. b. The IAQ sensor shall be available in wall mount with LED display. The set point shall have adjustment capability. c. The sensor shall provide a 0-10Vdc output for a CO2 input range of 0-2000 ppm. 12. Smoke detectors: a. Shall be a Four-Wire Controller and Detector. b. Shall be environmental compensated with differential sensing for reliable, stable, and drift-free sensitivity. c. Shall use magnet-activated test/reset sensor switches.


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d. Shall have a recessed momentary switch for testing and resetting the detector. e. Controller shall include: iii. One set of normally open alarm initiation contacts for connection to an initiating device circuit on a fire alarm control panel iii. Two Form-C auxiliary alarm relays for interface with rooftop unit or other equipment. iii. One Form-C supervision (trouble) relay to control the operation of the Trouble LED on a remote test/reset station. iv. Capable of direct connection to two individual detector modules. iv. Can be wired to up to 14 other duct smoke detectors for multiple fan shutdown applications. 13. Non-Powered convenience outlet. a. Outlet shall be powered from a separate 115-120v power source. b. A transformer shall not be included. c. Outlet shall be field-installed and internally mounted with easily accessible 115-v female receptacle. d. Outlet shall include 15 amp GFI receptacle. e. Outlet shall be accessible from outside the unit. f. Outlet shall have a wet location, while in use cover. 14. Fan/Filter Status Switch: a. Switch shall provide status of indoor evaporator fan (ON/OFF) or filter (CLEAN/DIRTY). b. Status shall be displayed either over communication bus (when used with direct digital controls) or through the controller

LCD display inside the unit control box. 15. Electric Heat: a. Heating Section ii. Heater element open coil resistance wire, nickel-chrome alloy, strung through ceramic insulators mounted on metal

frame. Coil ends are staked and welded to terminal screw slots. ii. Heater assemblies are provided with integral fusing for protection of internal heater circuits not exceeding 48 amps each.

Auto reset thermo limit controls, magnetic heater contactors (24 v coil) and terminal block all mounted in electric heatercontrol box (minimum 18 ga galvanized steel) attached to end of heater assembly.

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AirLimited WarrantyRLKN Series

GENERAL TERMS OF LIMITED WARRANTY*Rheem will furnish a replacement for any part of this productwhich fails in normal use and service within the applicableperiods stated, in accordance with the terms of the limited warranty.*For complete details of the Limited and Conditional Warranties, includingapplicable terms and conditions, contact your local contractor or theManufacturer for a copy of the product warranty certificate.

Compressor 3 Phase, Commercial Applications................Five (5) YearsParts 3 Phase, Commercial Applications..................One (1) Year

BEFORE PURCHASING THIS APPLIANCE, READ IMPORTANT ENERGY COST AND EFFICIENCY INFORMATION AVAILABLE FROMYOUR RETAILER.

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AirNotesRLKN Series

AirNotesRLKN Series

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The new degree of comfort.™

Rheem Heating, Cooling & Water Heating • P.O. Box 17010 Fort Smith, Arkansas 72917 • www.rheem.com

In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.

PRINTED IN U.S.A. 9/18 QG FORM NO. S11-973 REV. 2

Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1Brampton, Ontario • L6Y 0P5

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