May 2004
Page 1
CME306 and CME456 Service Parts
This parts list contains the parts numbers for the CME306 and CME456 air and water cooled models.
The title at the top of the page identifies which model the parts list applies to.
The machines are available in 115/60 or 230/60 or 230/50 electrical configurations.
The A and B series have different water cooled condensers. C series has a different expansion valve andfan motor bracket, as well as the B series water cooled condenser..
Be sure to check the description to confirm that the correct part number is being ordered.
Table of Contents
Cabinet · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 2
Water Pump and Sensor · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 3
Evaporator and Water Distribution · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 4
CME306 Air Cooled Refrigeration · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 5
CME456 Air Cooled Refrigeration · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 6
Air Cooled Section · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 7
Interior Parts · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 8
CME306 Water Cooled Refrigeration · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 9
CME456 Water Cooled Refrigeration · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 10
Water Cooled Section · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 11
Control Box and Electrical · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 12
Wiring Diagram · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Page 13
Cabinet
Item Part
Number Number Description
1 02-3820-21 Top panel, plastic, includes item 2
2 02-3835-01 Insulation
3 A37513-021 Right side panel, includes catches
4 03-1733-01 Strike
03-1734-01 Insert
5 15-0792-02 CM3 emblem
6 15-0808-01 Emblem
7 A37577-021 Front panel, includes trim strip, strikes and emblems
8 02-3819-31 Trim strip
9 03-1735-03 Screw
10 03-1733-02 Catch
11 02-2976-01 Filter for air cooled
12 03-1531-01 Screw
13 A37521-021 Left side panel, AC
A37531-021 Left side panel, WC
14 03-3804-01 Catch
May 2004
Page 2
CME306 and CME456 Service Parts
13
9
1
12
3
8
2
7
11
5
6
10
4
14
Water Pump and Sensor
Item Part
Number Number Description
1 02-3777-03 Float stem, was dark blue, changed to black 2013.
2 11-0539-51 Water level sensor
3 03-1691-01 Screw
4 02-3803-01 Sump cover
5 02-3341-01 Float
6 02-3813-01 Pump bracket - front half
7 12-2586-21 Water pump, CME306 115/60
12-2586-26 Water pump, CME306 all 230 volt
12-2586-27 Water pump, CME456 115/60
12-2586-23 Water pump, CME456 all 230 volt
8 02-3802-01 Pump bracket, back half
9 12-2665-01 Harness
CME306 and CME456 Service Parts
December 2013
Page 3
2
1
39
4
5
8
6
7
Item Part
Number Number Description
1 02-2527-01 Water distributor
2 02-3811-01 Manifold (456 only)
2a 13-0840-01 Rubber plug
3 A37575-022 Left evaporator
4 A37575-021 Right evaporator (456 only)
5 02-3807-01 Water hose, CME456 only
6 11-0545-21 Temperature sensor, includes discharge sensor
7 02-3824-01 Water trough CME456 only
8 02-3814-01 Water hose, CME306 only (1 plate)
9 11-0514-02 Purge valve,115/60 Hz
11-0514-22 Coil only, 115 volt
11-0514-01 Purge valve, 230 volt
11-0514-21 Coil only, 230 volt
10 A30926-001 Water manifold, CME306 only
November 2008
Page 4
CME306 and CME456 Service Parts
Evaporator and Water Distribution
1
5
1
34
9
8
2a
2
6
76
10
CME306 Air Cooled Refrigeration
January 2013
Page 5
CME306 and CME456 Service Parts
Item Part
Number Number Description
1 A37575-022 Evaporator
2 12-2471-01 Hot gas valve
3 16-1063-02 Strainer
4 16-0832-21 Access valve16-0832-03 Port cap16-0832-02 Stem cap
5 11-0545-21 Discharge sensor, includes water sensor
6 18-8838-21 Compressor, 115/60, includes PTCR, Run Cap and drier. RS43C2E-CAA-21318-5700-50 Overload for above
18-8720-56 Compressor, 230/50, includes drier18-5700-55 Overload for above
18-8838-23 Compressor, 230/60. RS43C2E-CAV-21318-8838-50 Overload for above
7 03-1405-20 Screw03-1407-07 Washer18-2200-28 Grommet18-2200-27 Sleeve
8 16-1009-22 TXV, AN ½ SZ. For A and B series.
16-1115-02 TXV. Danfoss, for C thru H series
19-0599-06 Insulation for TXV.
9 02-3319-01 Filter drier
10 18-8833-01 Air cooled condenser
11 A37538-001 Suction line
10
1
6
7
8
2
3
5
9
4
11
CME456 Air Cooled Refrigeration
January 2013
Page 6
CME306 and CME456 Service Parts
Item Part
Number Number Description
1 see page 4 Evaporator
2 12-2471-22 Hot gas valve
3 16-1063-02 Strainer
4 16-0832-21 Access valve16-0832-03 Port cap16-0832-02 Stem cap
5 11-0545-21 Discharge sensor, includes water sensor
6 18-8839-21 Compressor, 115/60, includes PTCR, Run Cap. and drier. RS55C2E-CAA-21318-8711-50 Overload for above
18-8839-22 Compressor, 230/50, includes drier18-8721-50 Overload for above
18-8839-23 Compressor, 230/60. RS55C2E-CAV-21318-8839-50 Overload for above
7 03-1405-20 Screw03-1407-07 Washer18-2200-28 Grommet18-2200-27 Sleeve
8 16-1009-22 TXV, AN ½ SZ. For A and B series.
16-1115-02 TXV. Danfoss, for C thru H series
19-0599-06 Insulation for TXV
9 02-3319-01 Filter drier
10 18-8833-01 Air cooled condenser
11 16-1071-01 Check valve
12 A37538-001 Suction line
10
1
6
7
8
2
3
5
9
4
11
12
Air Cooled Section
Item Part
Number Number Description
1 A37576-001 Shroud for CME456
2 18-8836-01 Fan blade
3 12-1681-23 Fan motor, 115/60
12-1681-04 Fan motor, 230 volt
4 A37503-001 Fan motor bracket for A or B series (or E M & S fan motor)
A38480-001 Fan motor bracket for C series (or GE fan motor)
03-1645-01 Screw, bracket to shroud
5 A37502-001 Shroud for CME306
6 A37613-001 Top of shroud
7 A37591-001 Divider
8 A37515-001 AC back panel
9 A37646-001 AC baffle
10 02-3692-21 Drain fitting
11 A37612-001 Shroud bottom
November 2005
Page 7
CME306 and CME456 Service Parts
8
5
1
7
10
9
6
4
2
3
11
Interior Parts
Item Part
Number Number Description
1 02-3765-02 Cascading shield, CME456 only
2 11-0540-21 Ice Sensors, set of two
3 02-3808-01 Upper splash panel
4 02-3805-01 Evaporator support
5 02-3815-01 Evaporator cover
6 02-3834-01 Insulation
7 02-3816-01 Grommet
8 02-3806-01 Lower splash panel
9 13-0674-02 Tubing, WC only, order 2 units (ft)
10 02-3812-01 Tubing, AC only
15-0821-01 Tube, 50 Hz WRAS listed units
11 12-2548-01 Water valve
11-0568-01 Water valve, 50 Hz WRAS listed units
12 02-3833-02 Grommet seal
02-3833-01 Grommet
13 02-3801-01 Ice deflector
November 2005
Page 8
CME306 and CME456 Service Parts
1
3
2
45
6
7
2
8
11
910
12
13
January 2013
Page 9
CME306 and CME456 Service Parts
CME306 Water Cooled Refrigeration
Item Part
Number Number Description
1 A37575-022 Evaporator
2 12-2471-01 Hot gas valve
3 16-1063-02 Strainer
4 16-0832-21 Access valve
16-0832-03 Port cap
16-0832-02 Stem cap
5 11-0545-21 Discharge sensor, includeswater sensor
6 18-8838-21 Compressor, 115/60,includes PTCR and drierRS43C2E-CAA-213
18-5700-50 Overload for above
18-8720-26 Compressor, 230/50,includes drier
18-5700-55 Overload for above
18-8838-23 Compressor, 230/60.RS43C2E-CAV-213
18-8838-50 Overload for above
7 03-1405-20 Screw
03-1407-07 Washer
18-2200-28 Grommet
18-2200-27 Sleeve
8 16-1009-22 TXV, AN ½ SZ. For A andB series
16-1115-02 TXV. Danfoss, for C thru Hseries
19-0599-26 Insulation for TXV
9 02-3319-01 Filter drier
10 11-0478-01 Water regulating valve
11 11-0501-21 Hi pressure cut out
12 18-3306-25 A Series water cooledcondenser
18-8871-21 B or C Series water cooledcondenser
13 A37538-001 Suction line
10
1
6
7
8
2
3
5
9
4
11
12
13
January 2013
Page 10
CME306 and CME456 Service Parts
Item Part
Number Number Description
1 see page 4 Evaporator
2 12-2471-22 Hot gas valve
3 16-1063-02 Strainer
4 16-0832-21 Access valve16-0832-03 Port cap16-0832-02 Stem cap
5 11-0545-21 Discharge sensor, includes water sensor
6 18-8839-21 Compressor, 115/60, includes Run cap, PTCR and drier. RS55C2E-CAA-21318-8711-50 Overload
18-8839-22 Compressor, 230/50, includes drier18-8721-50 Overload
18-8839-23 Compressor, 230/60.RS55C2E-CAV-21318-8839-50 Overload for above
7 03-1405-20 Screw03-1407-07 Washer18-2200-28 Grommet18-2200-27 Sleeve
8 16-1009-22 TXV, AN SZ. For A or B series16-1115-02 TXV for C series. Insulation TXV: 19-0599-06
9 02-3319-01 Filter drier
11 16-1071-01 Check valve
12 11-0478-01 Water regulating valve
13 11-0501-21 Hi pressure cut out
14 18-3306-25 A Series water cooled condenser18-8871-21 B or C Series water cooled condenser
CME456 Water Cooled Refrigeration
12
1
6
7
8
2
3
5
9
4
11
1413
15
15 A37538-001 Suction line
Water Cooled Section
Item Part
Number Number Description
1 A37507-001 Purge valve bracket, also used on air cooled
2 A31828-002 Drain casting
3 03-0571-01 Screw
4 A37600-001 Back panel for water cooled
May 2004
Page 11
CME306 and CME456 Service Parts
2
4
1
3
Control Box and Electrical
Item Part
Number Number Description
1 12-2836-01 Transformer 115/60/1 only
12-2836-02 Transformer, 230/60/1 only
2 12-2469-01 Contactor
3 11-0531-21 Purge valve timer
4 12-2686-01 Fuse for 230/50 only
5 12-2640-01 Terminal strip for 230/50 only
6 12-2687-01 Fuse holder 230/50 only
7 12-2679-01 Relay 230/50 only
8 18-8835-01 PTCR
9 18-1902-68 Run Cap, CME306 for 115/60 Hz
18-1902-17 Run cap, for CME306 230/60 hz
18-1902-45 Run Cap CME456 115/60
18-1902-30 Run Cap for all CME456 230 volt
18-2200-35 Start Cap, CME306 230/50
10 12-2680-01 Relay holder
11 12-2639-02 Transformer for 230/50/1 only
12 12-2838-24 Controller
13 A37510-001 Control box cover
14 A37505-001 BraceOctober 2012
Page 12
CME306 and CME456 Service Parts
13
12
11 1
2
3
4
7
6
5
10
9
8
Harnesses:
Hi Voltage:
12-2775-01 AC 230/50
12-2788-01 WC 230/50
12-2767-01 AC, WC 115/60
Low Voltage
12-2772-02 WC, 230/50
12-2772-01 AC, 230/50
12-2769-01 AC, WC 115/60
14
60 Hz Wiring Diagram
March 2001
Page 13
CME306 and CME456 Service Parts
PTCRWILLBEHOT.COMPRESSOR MAYNOTSTART IF PTCR ISNOTALLOWED TO COOLCAUTION:
MOTFAN
(4560NLY)
Y/W
(WATERCOOLEDONLY)
(AIR COOLEDONLY)
DUMPVALVERELAY
(OPTIONAL)
BINFULLRECEIVER
Y
1
1
L1 T1
L2 T2
CONTACTOR
LINE
LOAD
TRANSFORMER
MOTPUMP
SOLENOID SOLENOID
HOTGASWATER
JUNCTIONBOX
TERMINAL BOX
C1 S2
R3
COMPRESSORW
BK
R
PROTECTORINTERNAL
USE COPPER CONDUCTORS ONLY
THIS UNITMUST
BEGROUNDED.
1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE
INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL
CODE AND ALL STATE AND LOCAL CODES.
CAUTION:MORETHANONE DISCONNECT MEANS MAY BE
REQUIREDTODISCONNECT ALLPOWERTOTHISUNIT.
17-2860-01
EARTHGROUND
GROUNDSCREW
RUNCAP
PTCR
POWERSUPPLY
SEENAMEPLATE FORPROPERVOLTAGEREQUIREMENTSANDMAXIMUMFUSE SIZE
SUMPTEMP.SENSOR
DISCHARGETEMP.SENSOR
WATERLEVELSENSOR
BNW/BN
BU
W/BU
BKBK/W
BU
O
O
O
O
V
R
BK W(-1ONLY)
98
7
6
COMMUNICATIONSPORT
1 2 3 4 5 6 7 1 2 3 4
5
12345
4
123
3
123
2
12345
1
123
BINFULLTRANSMITTER
ELECTRONICCONTROL
BK Y R
WW/R
R
W
DUMPVALVE
BK/W
W/R
W/R
BU
Y
HIGH PRESSURECONTROL
THERMOBIN
BU
MOTFAN
W/BN
BN
BK/W(-32ONLY)
60 Hz Schematic Diagram
January 2000
Page 14
CME306 and CME456 Service Parts
( AC ONLY)
FAN
MOTOR
( OPTIONAL)
BI N
STATHIGHPRESSURECONTROL(WC ONLY)
L 1 L 2
L I NE
2 4V
TRANSFORMER
HOT GAS VALVE
WATER VALVE
CONTACTOR COIL
COMPRESSOR
RUN
CAP.
WATER
PUMP
PTCR
CONTACTOR T1
WATER
L EVEL
SENSOR
BIN
FULL
RCV.
BIN
FULL
X- MIT
SUMP
TEMP.
DISCHARGETEMP
ELECTRONIC CONTROL
DUMP VALVE RELAYCONTACTS
DUMP
VALVE
DUMP VALVE TIME RELAYRELAY TRIGGER
FAN
MOTOR
( 45 6)
( AC ONLY)
CM
E456
50
Hz
Air
Co
ole
dW
iring
Dia
gra
m
Jan
uary
2000
Page
15
CM
E306
an
dC
ME
456
Serv
ice
Parts
BN
W /BN
Y/W
BK
BK
V
V
Y
BU
BK
BU
BN
O
V
Y
O
BK
O
O
BN/W
R
GROUND SCREW
EARTH GROUND
G/Y
FANRELAY( ACONLY)
DUMPRELAYPU
MP
RE
LAY
DUMP VALVERELAY COIL
FUSE( 3A)
WATER PUMP RELAY
FAN RELAY
PUMP RELAY COIL
FAN RELAY COILBINSTAT
DUMPVALVE
DUMP VALVERELAY CONTACTS
DUMP VALVE TIMER TRIGGER
ELECTRONIC CONTROL
FANMOTOR
FANMOTOR(456 ONLY)
DISCHARGETEMP
SUMPTEMP.
BINFULLX-MIT
BINFULLRCV.
WATERLEVELSENSOR
CONTACTOR T1
WATERPUMP
COMPRESSOR
CONTACTOR COIL
WATER VALVE
HOT GAS VALVE
TRANSFORMER
24V
LINE
L2L1
7
8
11
12
5
2
1
6LOAD LINE
BK BK
THERMOBIN
BIN FULLRECEIVER
Y
W/R
DUMPVALVE
ELECTRONICCONTROL
BIN FULLTRANSMITTER
321 1
54
32
1
2
32
1
3
32
1
4
54
32
1
5
43217654321
COMMUNICATIONSPORT
6
78 9
R
V
W/R
O
BU
WATERLEVELSENSOR
DISCHARGETEMP SENSOR
SUMP TEMPSENSOR
MOTFAN
PTC
RR
UN
CAP
17-2659-01
MORE THAN ONE DISCONNECT MEANS MAY BEREQUIRED TO DISCONNECT ALL POWER TO THIS UNIT
CAUTION:
1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE
INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL
CODE AND ALL STATE AND LOCAL CODES.
THIS UNIT MUST
BE GROUNDED.
USE COPPER CONDUCTORS ONLY
PROTECTORINTERNAL
R
BK
WCOMPRESSOR
R3
S2C1
TERMINALBOX
WATER
HOT GAS
SOLENOID
SOLENOID
MOTPUMP
TRANSFORMER
CO
NTA
CTO
R
T2L2
T1L1
DUMPVALVETIMER
BKR
BUBK/W
BN
JUNCTIONBOX
POWER SUPPLY
SEE NAMEPLATE FOR VOLTAGE REQUIREMENTSAND MAXIMUM FUSE SIZE
1
1
BU/W
O
BU/W
BU
BU
BK/W
BN
BNBN
O
W
W/BN
BK
6 4
01
64
01
6
4 0
1
W/R
W/BU
BKBK
BU
W
BK/W
PTCR
RUNCAP.
MOTFAN
(456 ONLY)
CAUTION: PTCR WILL BE HOT
COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL
CM
E456
50
Hz
Wate
rC
oo
led
Wirin
gD
iag
ram
Jan
uary
2000
Page
16
CM
E306
an
dC
ME
456
Serv
ice
Parts
HIGHPRESSURECONTROL
HIGH PRESSURECONTROL
PTCR WILL BE HOT
COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL
CAUTION:
RUNCAP.
PTCR
BK/W
W
BU
BK
W/BU
W/R
1
04
6
1 0
46
BK
W
O
BNBN
BN
BK/W
BU
BU
BU/W
O
BU/W
1
1
SEE NAMEPLATE FORPROPER VOLTAGE REQUIREMENTSAND MAXIMUM FUSE SIZE
POWER SUPPLY
JUNCTIONBOX
BK/WBU
RBK
DUMPVALVETIMER
L1T1
L2T2
CO
NTAC
TOR
TRANSFORMER
MOTPUMP
SOLENOID
SOLENOID
HOT GAS
WATER
TERMINALBOX
C1S2
R3
COMPRESSORW
BK
R
PROTECTORINTERNAL
USE COPPER CONDUCTORS ONLY
THIS UNIT MUST
BE GROUNDED.
1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BEINSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICALCODE AND ALL STATE AND LOCAL CODES.
CAUTION:
MORE THAN ONE DISCONNECT MEANS MAY BEREQUIRED TO DISCONNECT ALL POWER TO THIS UNIT
17-2770-01
RU
NC
AP
PTC
R
SUMP TEMPSENSOR
DISCHARGETEMP SENSOR
WATERLEVELSENSOR
BU
O
W/R
V
R
987
6
COMMUNICATIONSPORT
1234567 1234
5
12
345
4
12
3
3
123
2
12
34
5
1123
BIN FULLTRANSMITTER
DUMPVALVE
W/R
Y
BIN FULLRECEIVER
THERMOBIN
BKBK
LINELOAD6
12
51211
87
L1 L2
LINE
24V
TRANSFORMER
HOT GAS VALVE
WATER VALVE
CONTACTORCOIL
COMPRESSOR
WATERPUMPCONTACTOR T1
WATERLEVELSENSOR
BINFULLRCV.
BINFULLX-MIT
SUMPTEMP.
DISCHARGETEMP
ELECTRONIC CONTROL
ELECTRONICCONTROL
DUMP VALVE TIMER TRIGGER
DUMP VALVERELAY CONTACTS
DUMPVALVE
BINSTAT
PUMP RELAY COIL
WATER PUMP RELAY
FUSE(3A)
DUMP VALVERELAY COIL
PU
MP
RELA
Y
DUMP RELAY
G/Y
EARTH GROUND
GROUND SCREW
R
O
BK
O
Y
VO
BU
BK
BU
Y
V
V
BK
Y/W
CM
E306
50
Hz
Air
Co
ole
dW
iring
Dia
gra
m
Jan
uary
2000
Page
17
CM
E306
an
dC
ME
456
Serv
ice
Parts
BK
BK
V
V
Y
BU
BK
BU
BN
O
V
Y
O
BK
O
O
BN/W
R
GROUND SCREW
EARTH GROUND
G/Y
FAN RELAY
DUMP RELAY
PUMPRELAY
DUMP VALVERELAY COIL
FUSE
(3A)
WATER PUMP RELAY
FAN RELAY
PUMP RELAY COIL
FAN RELAY COILBIN
STAT
DUMP
VALVE
DUMP VALVERELAY CONTACTS
DUMP VALVE TIMER TRIGGER
ELECTRONIC CONTROL
FANMOTOR
DISCHARGETEMP.
SUMPTEMP.
BINFULLX-MIT
BINFULLRCV.
WATERLEVEL
SENSOR
CONTACTOR T1
WATERPUMP
COMPRESSOR
CONTACTOR COIL
WATER VALVE
HOT GAS VALVE
TRANSFORMER
24V
LINE
L2L1
7
8
11
12
5
2
1
6LOAD LINE
BK BK
THERMOBIN
BIN FULLRECEIVER
Y
W/R
DUMP
VALVE
ELECTRONIC
CONTROLBIN FULLTRANSMITTER
321 1
54
32
1
2
32
1
3
32
1
4
54
32
1
5
43217654321
COMMUNICATIONSPORT
6
7
8 9
R
V
W/R
O
BU
WATER
LEVELSENSOR
DISCHARGETEMP.SENSOR
SUMPTEMP.SENSOR
MOT
FAN
PTCR
START
CAP
17-2789-01
MORE THAN ONE DISCONNECT MEANS MAY BE
REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT.
CAUTION:
1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE
INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL
CODE AND ALL STATE AND LOCAL CODES.
THIS UNIT MUST
BE GROUNDED.
USE COPPER CONDUCTORS ONLY
PROTECTORINTERNAL
R
BK
W
COMPRESSOR
R3
S2C1
TERMINALBOX
WATER
HOT GAS
SOLENOID
SOLENOID
MOTPUMP
TRANSFORMER
CONTACTOR
T2L2
T1L1
DUMP
VALVE
TIMER
BKR
BUBK/W
BN
JUNCTIONBOX
POWERSUPPLY
SEE NAMEPLATE FOR
PROPER VOLTAGEREQUIREMENTS
AND MAXIMUMFUSE SIZE
1
1
BU/W
O
BU/W
BU
BU
BK/W
BN
BNBN
O
W
W/BN
BK
6 4
01
64
01
6
40
1
W/R
W/BU
BKBK
BU
W
BK/W
PTCR
CAUTION: PTCR WILL BE HOT.
COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL
STARTCAP.
CM
E306
50
Hz
Wate
rC
oo
led
Jan
uary
2000
Page
18
CM
E306
an
dC
ME
456
Serv
ice
Parts
M O R E T H A N O N E D I S C O N N E C T M E A N S M A Y B E
R E Q U I R E D T O D I S C O N N E C T A L L P O W E R T H I S U N I T .
PTCRSTARTCAP.
BK
V
V
Y
BU
BK
BU
O
V
Y
O
BK
O
R
GROUND SCREW
EARTH GROUND
G/Y
DUMP RELAY
PUMPRELAY
DUMP VALVERELAY COIL
FUSE(3A)
WATER PUMP RELAY
PUMP RELAY COIL
BIN
STAT
DUMP
VALVE
DUMP VALVERELAY CONTACTS
DUMP VALVE TIMER TRIGGER
ELECTRONIC CONTROL
DISCHARGETEMP.
SUMPTEMP.
BINFULLX-MIT
BINFULLRCV.
WATERLEVEL
SENSOR
CONTACTOR T1
WATERPUMP
COMPRESSOR
CONTACTORCOIL
WATER VALVE
HOT GAS VALVE
TRANSFORMER
24V
LINE
L2L1
7
8
11
12
5
2
1
6LOAD LINE
BK BK
THERMOBIN
BIN FULLRECEIVER
Y
W/R
DUMP
VALVE
ELECTRONIC
CONTROLBIN FULLTRANSMITTER
321
1
54
32
1
2
32
1
3
32
1
4
54
32
1
5
43217654321
COMMUNICATIONSPORT
6
7
8 9
R
V
W/R
O
BU
WATER
LEVELSENSOR
DISCHARGETEMP.SENSOR
SUMPTEMP.SENSOR
PTCR
START
CAP
17-2790-01
TO
CAUTION:
1 DASHED LINES INDICATE FIELD WIRING WHICH MUST BE
INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL
CODE AND ALL STATE AND LOCAL CODES.
THIS UNIT MUST
BE GROUNDED.
USE COPPER CONDUCTORS ONLY
PROTECTORINTERNAL
R
BK
W
COMPRESSOR
R3
S2C1
TERMINALBOX
WATER
HOT GAS
SOLENOID
SOLENOID
MOTPUMP
TRANSFORMER
CONTACTOR
T2
L2
T1
L1
DUMP
VALVETIMER
BKR
BUBK/W
JUNCTIONBOX
POWER SUPPLY
SEE NAMEPLATE FOR
PROPER VOLTAGE REQUIREMENTS
AND MAXIMUM FUSE SIZE
1
1
BU/W
O
BU/W
BU
BU
BK/W
BN
BNBN
O
BK
64
01
6
40
1
W/R
W/BU
BK
BU
W
BK/W
CAUTION: PT CR W IL L BE H OT .
COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL
HIGH PRESSURE
CONTROL
HIGH
PRESSURE
CONTROL
W
Top Related