r410a // Hermetic Scroll comprESSorS - BITZER · r410a // Hermetic Scroll comprESSorS VSd...

60 Hz // eSP-133-2

orBit SerieS: VariaBle SPeed driVe

r410a // Hermetic

Scroll comprESSorS

VSd operation

2 ESP-133-2

Wide speed/capacity range

The ORBIT with VSD capability provides smooth and efficient operation from 35 to 75 Hz*. While many designers use tandem and trio compounds to achieve simple and efficient capacity staging in chiller applications, the VSD capability of the ORBIT provides new options for refrigerant-to-air systems which need fast and instant capacity adap tation. The quick response of the ORBIT with VSD allows accurate temperature control.

Design flexibility with reduced inventory costs

Since standard ORBIT compressors are VSD capable, system designers have many options. Even tandems, uneven tandems, and even fixed + variable speed tandems, for example. And, when used with BITZER Advanced Header Technology, it is possible in many cases to offer different efficiency versions of the system with common piping and construction, which greatly reduces factory complexity and inventory carrying costs. Such technical solutions provide benefits for sales, technology, manufacturing and financial functions.

UVW

M

3 ~

T

TT

T

T

U

I

T1

4

3

6

5

2

ZK

30

4545

5555 6060

7575

Hz

4040

50506565

7070

35

8080

ORBIT for variable speed drive (VSD)

While the scroll compressors of the ORBIT series are characterized by high full load and seasonal efficiency, low sound levels, and high reliability, they are also now suitable for use with variable speed drives. VSD capable scroll compressors from BITZER give system designers more solutions to the challenge of maintaining full load and rating point efficiency levels, while also increasing efficiency at part load conditions where equipment operates during most of the year. Using the overspeed potential of the GSD gives the option of downsizing the nominal compressor displacement to cover partly the VSD costs. The wide speed range allows for capacity reduction together with low condensing pressure operation, e. g. in comfort air-conditioning applications, for high system efficiencies. Coupled with BITZER’s unique lower con-densing temperature optimization, system designers have never had so many options to satisfy their customers’ needs.

* GSD6, GSD80421 & GSD80485: 45 to 65 Hz

3ESP-133-2

High cooling capacity

The large capacity range of the ORBIT series is enhanced with the ability to either slow down, or speed up depending on demand. This in creased range can allow users the option to reduce the number, size and variety of compressors used in the system design.

Heat pump application

The ORBIT with VSD capability is an ideal solution for designers looking for high system performance. While a standard scroll compressor must cycle on/off to achieve temperature control in the building, a scroll with VSD can easily follow the characteristics. In addition, BITZER provides a large application envelope precisely in the area most needed by heat pump applications. Off-setting low refrigerant mass flow rates associated with these conditions is now possible with BITZER’s ORBIT with VSD capability.

IPLV advantage

While ORBIT operation is known for its optimization towards IPLV, these benefits are further enhances with the application of VSD technology increasing the IPLV even up to 15%. Designers can take advantage of the lower condensing pressures associated with part-load operation and further reduce their power consumption. This is in particular of advantage with refrigerant-to-air systems but also for chillers with two or more compressors in multi-circuits (one with VSD) for stepless modulation of the required cooling demand.

50

40

30

20

10

40 GSD8018

2V

GSD8038

5V

GSD8042

1V

ORBIT 8 Nominal Speed ORBIT 8 Variable Speed

Cap

acit

y (T

ons

acc

ord

ing

to

AR

I 540

)

GSD8023

5V

GSD8029

5VGSD80

485V

Hea

t P

ump

Cap

acit

y [B

tu/h

]

Heat Pump Capacity & Heat Load: Fixed vs. Variable Speed

Ambient Temperature [°F]

SupplementalHeat required

Bivalent Point

IPLV for Refrigerant-to-Air Systems

Btu

/(W

x h

)

25

20

15

BITZER ORBIT

Variable Speed

+15

% S

easo

nal

Ene

rgy

Effi

cien

cy

Required building heat Load Standard Scroll Compressor at fixed speed ORBIT 8 Variable Speed (smaller size compressor)

Bivalent Point: Heating capacity of smaller size compressor at 75 Hz equal to standard scroll at fixed speed (50 Hz)

4 ESP-133-2

160

140

120

100

6060400 20

SDT [°F]

SST [°F]

80

-20

SH = 20°F

35 Hz

Application Limits

BITZER ORBIT with VSD

BITZER ORBIT 8 Boreal with VSD

SST Saturated suction tempeature (°F) SH Suction superheat (°F) SDT Saturated discharge temperature (°F)

35 Hz

Application after consultation with BITZER

* GSD80182 .. GSD80385 only

*

5ESP-133-2

ORBIT 6 Performance data

Performance data are based on ARI 540 boundary conditions.Saturated suction and discharge temperatures correspond to “dew point” conditions (saturated vapor).

Performance data based on 20°F suction superheat and 15°F subcooling ➀.

Compressor type

Ü

SST (°F) 45 45 45

SDT (°F) 130 120 100Frequency (Hz) 45 60 65 45 60 65 45 60 65

R410A ➂

Q 92610 124000 134333 99810 133500 144625 112680 151600 164233

GSD60120VA P 8,15 10,85 11,76 7,27 9,71 10,52 5,84 7,81 8,46

EER 11,36 11,43 11,43 13,73 13,74 13,74 19,30 19,40 19,40

Q 103860 138000 149500 111870 150000 162500 126540 169700 183842

GSD60137VA P 9,13 12,12 13,13 8,16 10,87 11,78 6,58 8,78 9,51

EER 11,37 11,39 11,39 13,72 13,79 13,79 19,22 19,33 19,33

Q 116550 154800 167700 125550 166200 180050 142020 188000 203667

GSD60154VA P 10,20 13,52 14,65 9,11 12,10 13,11 7,36 9,81 10,63

EER 11,43 11,45 11,45 13,78 13,73 13,73 19,30 19,16 19,16

Q 137790 183700 199008 147870 197800 214283 167130 223300 241908

GSD60182VA P 11,97 15,95 17,28 10,72 14,39 15,58 8,65 11,78 12,76

EER 11,51 11,51 11,51 13,80 13,75 13,75 19,32 18,96 18,96

Qo

GSD60235VA P upon request

COP

Cooling capacity Power consumption Energy Efficiency Ratio EERQo Pe ➁

[kBTU] [kW]

ORBIT 6

Tentative data

➀ Running-in period 72 hours.

➁ Power consumption at motor terminals; power consumption at inverter intake depends on the individually applied inverter model.

6 ESP-133-2

ORBIT 8 Performance data

Performance data are based on ARI 540 conditions.Saturated suction and discharge temperatures correspond to “dew point” conditions (saturated vapor).

Performance data based on 20°F suction superheat and 15°F subcooling ➀.

Compressor type

Ü

SST (°F) 45 45 45 45 45 45 45 45 45

SDT (°F) 130 130 130 120 120 120 100 100 100Frequency (Hz) 35 60 75 (65) 35 60 75 (65) 35 60 75 (65)

R410A ➂

Q 86 181 213 96 194 230 115 220 263

GSD80182VA P 9.4 16.7 20.0 8.0 14.9 17.8 5.8 11.9 14.2

EER 9.1 10.8 10.6 12.0 13.1 12.9 19.8 18.4 18.4

Q 118 238 285 132 257 307 157 293 350

GSD80235VA P 13.4 22.9 27.2 11.4 20.1 24.2 8.3 15.6 19.4

EER 8.8 10.4 10.5 11.5 12.8 12.7 19.0 18.8 18.1

Q 152 297 362 170 322 392 203 368 448

GSD80295VA P 17.5 28.2 34.9 14.9 24.8 30.9 10.8 19.3 24.5

EER 8.7 10.5 10.4 11.5 13.0 12.7 18.8 19.1 18.3

Q 204 386 474 225 417 510 262 474 578

GSD80385VA P 21.4 35.5 43.9 18.3 31.4 39.3 13.6 24.9 31.8

EER 9.5 10.9 10.8 12.3 13.3 13.0 19.2 19.0 18.2

Q 221 419 446 245 453 481 288 517 549

GSD80421VA P 23.5 38.9 40.8 ➂ 20.0 34.4 36.3 ➂ 14.9 27.1 28.9 ➂EER 9.4 10.8 10.9 12.3 13.2 13.3 19.4 19.1 19.0

Q 251 473 504 282 513 545 331 586 622

GSD80485VA P 27.2 44.2 46.8 ➂ 23.0 39.0 41.5 ➂ 16.9 30.8 33.1 ➂EER 9.2 10.7 10.8 12.3 13.1 13.1 19.7 19.0 18.8

Ü

SST (°F) 45 45 45 45 45 45

Compressor type SDT (°F) 115 115 115 80 80 80Frequency (Hz) 35 60 75 (65) 35 60 75 (65)

Q 144 275 318 186 339 395

GSD80235VW P 11.0 19.1 23.2 5.8 11.6 14.4

EER 13.0 14.4 13.7 31.9 29.2 27.3

Q 181 332 400 233 410 495

GSD80295VW P 13.7 23.2 29.1 7.3 13.8 18.1

EER 13.1 14.3 13.8 32.1 29.7 27.4

Q 227 482 516 295 594 635

GSD80385VW P 17.6 34.8 37.9 9.5 21.8 24.1

EER 12.9 13.8 13.6 31.0 27.3 26.4

Q 249 467 494 328 580 615

GSD80421VW P 19.0 32.7 34.7 ➂ 10.3 20.1 21.5 ➂EER 13.1 14.3 14.2 31.7 28.8 28.5

Q 286 534 562 380 668 706

GSD80485VW P 21.3 37.3 39.4 ➂ 11.6 23.0 24.6 ➂EER 13.4 14.3 14.3 32.7 29.0 28.7

Cooling capacity Power consumption Energy Efficiency Ratio EERQo Pe ➁

[kBTU] [kW]

ORBIT 8 optimized for air-cooled systems and reversible chillers

ORBIT 8 Boreal optimized for systems with low condensing temperature

Tentative data

➀ Running-in period 72 hours.

➁ Power consumption at motor terminals; power consumption at inverter intake depends on the individually applied inverter model.

➂ Performance data at 65 Hz.

7ESP-133-2

ORBIT 6 Technical data

Compressortype

Displacement with 45 .. 65 Hz

CFM

Speed range➀

Oilcharge

➁

fl.oz

Weight

lbs

DLDischarge line

inch

SLSuction line

inch

Motor connection

➂

Rated load amps(RLA)

Amp. ➃

StartingcurrentLRA(Amp.)

Amp. ➄

GSD60120VA 10.6 .. 15.3 45 .. 65 Hz 91 195 7/8 1 3/8

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tact

BIT

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See

BIT

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Sof

twar

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See

BIT

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Sof

twar

e

GSD60137VA 11.9 .. 17.1 45 .. 65 Hz 91 195 7/8 1 3/8

GSD60154VA 13.2 .. 19.1 45 .. 65 Hz 91 195 7/8 1 3/8

GSD60182VA 15.6 .. 22.5 45 .. 65 Hz 91 195 7/8 1 3/8

GSD60235VA 26.7 60 Hz 91 195 7/8 1 3/8

Pipe connections ODS Electrical data compressor

➀Preliminary data. Speed range at time of publication. These data are subject to change as a result of BITZER’s policy of continuous improvement. Contact your local BITZER representative for application assistance.

➁Charged with polyvinyl ether BVC32.

➂Motor selection for FI operation depends on application considerations. For full envelope and over-speed capability, selection of the 208/230 V motor is generally required. Less demanding applications focused on IPLV consideration may be handled by either standard motor, or 380 V motors. Contact BITZER for assistance in proper selection.

➃ For the selection of contactors, cables and fuses the rated load amps (RLA) and the max. power consumption must be considered (“Electrical data”). RLA (MCC/1.56).

➄ Data for direct start. With VSD stepless rise of current up to actual load amps – maximum up to rated load amps (RLA).

Oil heater (option) 90 W/115 V, 230 V, 460 V, 575 V.

For dimensional drawings see brochure ESP-125.

8 ESP-133-2

ORBIT 8 Technical data

Compressortype

Displace-ment with 35 .. (65) 75 Hz

Speed range Oilcharge

➀

fl.oz

Weight

lbs

DLDischarge

line

inch

SLSuction

line

inch

DLDischarge line

inch

SLSuction line

inch

Motor connec-tion

➂

Rated load amps(RLA)

Amp. ➃

StartingcurrentLRA(Amp.)

Amp. ➄

GSD80182VA(B/R)2 12 .. 26 35 .. 75 Hz 179 320 1 3/8 1 5/8 1 3/4 – 12 UNF 2 1/4 – 12 UNF

Con

tact

BIT

ZER

See

BIT

ZER

Sof

twar

e

See

BIT

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Sof

twar

e






GSD80235VW(B/R)2 16 .. 34 35 .. 75 Hz 179 326 1 3/8 1 5/8 1 3/4 – 12 UNF 2 1/4 – 12 UNF

Con

tact

BIT

ZER

See

BIT

ZER

Sof

twar

e

See

BIT

ZER

Sof

twar

e





Connection thread Version “R” ➁

Pipe connections ODS Version “B” ➁

Electrical data compressor

ORBIT 8 optimized for air-cooled systems and reversible chillers

ORBIT 8 Boreal optimized for systems with low condensing temperature

➀Charged with polyvinyl ether BVC32.

➁B = Direct brazing connections, R = Rotalock connections.

➂Motor selection for FI operation depends on application considerations. For full envelope and over-speed capability, selection of the 208/230 V motor is generally required. Less demanding applications focused on IPLV consideration may be handled by either standard motor, or 380 V motors. Contact BITZER for assistance in proper selection.

➃ For the selection of inverter.

➄ Data for direct start. With VSD stepless rise of current up to actual load amps – maximum up to rated load amps (RLA).

GSD80182V .. GSD80485V: Oil heater (option) 140 W/115 V, 230 V, 460 V, 575 V.

CFM

For dimensional drawings see brochure ESP-135.

9ESP-133-2

Notes

10 ESP-133-2

Notes

11ESP-133-2

Notes

Bitzer Kühlmaschinenbau GmbHEschenbrünnlestraße 15 // 71065 Sindelfingen // Germany

Tel +49 (0)70 31 932-0 // Fax +49 (0)70 31 932-147 [email protected] // www.bitzer.de

Subject to change // 80171202 // 12.2014

r410a // Hermetic Scroll comprESSorS - BITZER · r410a // Hermetic Scroll comprESSorS VSd...

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