GEA Bock HG Compressors - R134a

GEA Refrigeration Technologies

Semi-hermetic Compressors optimized for the Refrigerant R134a

GEA Bock HG Compressors - R134a

engineering for a better world

96175-04.2013-Gb Subject to change without notice2 | www.bock.de

Over 75 years ago, when the refrigeration and air-conditioning

industry was still in its infancy, our company's founder, Wilhelm

Bock, had a vision: he wanted to build first-class and reliable refri-

geration machines. In the following decades Bock developed into

one of the world's leading manufacturers of refrigeration and air-

conditioning compressors.

Today, GEA Bock offers as part of GEA Refrigeration Technologies

the right compressor for all fields of commercial-, industrial-, rail-,

bus- and transport refrigeration.

In this brochure we present you our semi-hermetic compressors for

the refrigerant R134a.

Be inspired. By our new products, our established product series

and the entire passion that goes into each of our products.

GEA Bock - More than a compressor

Disclaimer

This brochure has been produced for you with the greatest of care. Nevertheless it

is not possible to rule out mistakes completely. In such cases we cannot assume any

liability. The contents correspond to the status on going to print. Deviations cannot

be ruled out because of the ongoing development process for our products.

The details are provided as unbinding general information and cannot substitute

detailed, individual consultation. Reprints even only of excerpts only allowed with

the explicit approval of GEA Bock GmbH. © GEA Bock GmbH 2013


The refrigerant R134a

Based on our current semi-hermetic product range, with its outstanding advantages and

features, GEA Bock now presents you a compressor variant optimized especially for the

use with the refrigerant R134a.

Especially suited for normal refrigeration in supermarket applications, as well as in cascade

systems in conjunction with CO2.

Further information see separate brochure "Semi-hermetic GEA Bock compressors".

Special features

With technical optimizations we continually improve the energy consumption of our

compressors. Because of the special design of the different components we can adapt

the compressors ideally to the individual demands. Those compressors optimized for the

specific characteristics of R134a achieve a higher efficiency and therefore increase the

annual capacity of the refrigeration plant.

The refrigerant R134a

Especially in the area of normal refrigeration for supermarket applications numerous

studies have shown that R134a as a refrigerant contributes to a very high efficiency of

the system.

Suitable refrigeration oils are ester oils, such as Fuchs Reniso SE55.

Single-stage compressors R134a

Our solutions are customer-

oriented and user-friendly,

because they are low-priced,

energy-efficient, long-lasting

and tailored to your indivi-

dual needs.

Valve plate system

optimized for R134a

Optimized

gas flow

Highly efficient

motors

At a glanceSingle-stage Compressors R134a

596175-04.2013-Gb Subject to change without notice www.bock.de |

At a glanceSingle-stage Compressors R134a

Type key - compressor for R134a

R134a design

Number of poles

Swept volume

Size

Ester oil filling

Hermetic Gas-cooled (suction gas cooled)

Available models Displacement 50 Hz (1450 rpm)

HGX4/465-4 R134a 40,50 m3/h

HGX4/555-4 R134a 48,20 m3/h

HGX4/650-4 R134a 56,60 m3/h

HGX5/725-4 R134a 62,90 m3/h

HGX5/830-4 R134a 72,20 m3/h

HGX5/945-4 R134a 82,20 m3/h

HGX6/1080-4 R134a 93,70 m3/h

HGX6/1240-4 R134a 107,60 m3/h

HGX6/1410-4 R134a 122,40 m3/h

HGX7/1620-4 R134a 140,60 m3/h

HGX7/1860-4 R134a 161,40 m3/h

HGX7/2110-4 R134a 183,60 m3/h

The current program

...4 model sizes with 12 capacity stages from 40,5 to 183,6 m³/h (50 Hz)

HGX5 / 725 - 4 R134a

Dis

pla

cem

en

t m

³ /h


R134a Operating limits HGX4, HGX5, HGX6, HGX7 R134a

Unlimited application range

Supplementary cooling or reduced suction gas temperature

tO Evaporating temperature (°C)

tC Condensing temperature (°C)

tOh

Suction gas temperature (°C)

∆tOh

Suction gas superheat (K)

1) LP = low pressure HP = high pressure

Operating limitsSingle-stage Compressors R134a

Max. permissible operating pressure (LP/HP)1): 19/28 bar

R134a notes

Operating limits

Compressor operation is possible within the limits shown on the

application diagrams. Please note the coloured areas. Compressor

application limits should not be chosen for design purposes or

continuous operation.

Performance data

The performance data for R134a are based on European Standard

EN 12900 with a 50 Hz power supply frequency.

This signifies: 20 °C suction gas temperature without liquid

subcooling

The results in significant differences compared to specifications with

liquid undercooling and/or suction gas temperatures.

Conversion factor 60 Hz = 1,2

Performance data for other operating points see GEA Bock software.


Type Cond.

temp.

°C

Cooling capacity QO [W] Power consumption P

e [kW]

Evaporating temperature °C

12,5 10 7,5 5 0 -5 -10 -15 -20 -25 -30

HGX4/465-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX4/555-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX4/650-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

•

R134a Performance data 50 Hz

37800 34400 31300 28300 23000 18400 14400 11000 8190 5930 4150 5,02 5,02 4,99 4,93 4,73 4,45 4,10 3,70 3,27 2,82 2,37

33200 30100 27300 24700 19900 15700 12200 9140 6670 4670 3090 6,31 6,19 6,04 5,86 5,45 4,98 4,46 3,91 3,35 2,80 2,27 28500 25800 23300 20900 16700 13000 9910 7310 5180 3460 2110 7,39 7,15 6,88 6,60 5,98 5,33 4,65 3,97 3,29 2,65 2,06 23800 21400 19300 17200 13500 10400 7750 5570 3790 2370 1260 8,26 7,89 7,52 7,13 6,33 5,51 4,68 3,87 3,10 2,38 1,73

19200 17200 15300 13600 10500 7870 5730 3970 2560 8,90 8,43 7,95 7,46 6,48 5,51 4,55 3,63 2,77 44900 40900 37200 33700 27300 21800 17100 13100 9700 7030 4940 5,98 5,97 5,94 5,86 5,63 5,29 4,88 4,40 3,88 3,35 2,82 39400 35800 32500 29300 23600 18700 14400 10900 7910 5540 3700 7,53 7,38 7,20 6,98 6,49 5,92 5,30 4,65 3,98 3,32 2,70 33900 30700 27700 24900 19900 15500 11800 8690 6150 4110 2530 8,83 8,53 8,21 7,87 7,13 6,35 5,54 4,72 3,92 3,15 2,44 28300 25500 22900 20500 16100 12400 9240 6630 4500 2810 1510 9,86 9,43 8,97 8,51 7,54 6,56 5,57 4,60 3,68 2,82 2,05 22800 20400 18200 16200 12500 9390 6830 4720 3030 10,60 10,00 9,48 8,90 7,72 6,55 5,40 4,30 3,27 52800 48100 43700 39600 32100 25600 20100 15400 11500 8280 5820

7,01 7,02 6,98 6,90 6,63 6,23 5,73 5,17 4,56 3,93 3,32 46400 42200 38200 34500 27800 22000 17000 12800 9320 6530 4350 8,83 8,66 8,46 8,22 7,65 6,98 6,24 5,46 4,68 3,91 3,18 39900 36100 32600 29300 23400 18300 13900 10300 7250 4840 2970 10,30 10,00 9,64 9,25 8,39 7,47 6,52 5,55 4,60 3,70 2,88 33300 30000 27000 24100 19000 14600 10900 7800 5300 3310 1760 11,50 11,00 10,50 9,99 8,87 7,72 6,55 5,41 4,32 3,31 2,41 26800 24000 21400 19000 14700 11100 8020 5550 3570 12,40 11,70 11,10 10,40 9,08 7,71 6,35 5,06 3,84

HGX5/725-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX5/830-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX5/945-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

58600 53400 48500 44000 35700 28500 22300 17000 12700 9180 6450 7,81 7,81 7,75 7,66 7,35 6,91 6,37 5,75 5,07 4,38 3,68 51600 46900 42500 38300 30900 24400 18900 14200 10400 7240 4820 9,82 9,62 9,38 9,11 8,47 7,73 6,93 6,08 5,21 4,35 3,53 44300 40200 36200 32600 26000 20300 15500 11400 8040 5370 3290 11,50 11,10 10,60 10,20 9,30 8,28 7,23 6,17 5,13 4,13 3,20 37000 33400 30000 26800 21100 16200 12100 8660 5880 3670 1970 12,80 12,20 11,60 11,00 9,83 8,56 7,28 6,02 4,82 3,70 2,68

29800 26600 23800 21100 16300 12300 8910 6170 3980 13,80 13,10 12,30 11,50 10,00 8,55 7,06 5,63 4,29 67500 61500 55900 50600 41100 32800 25600 19600 14600 10600 7460 8,93 8,93 8,87 8,77 8,42 7,91 7,28 6,56 5,79 4,99 4,20

59300 53900 48800 44100 35500 28100 21700 16400 12000 8350 5590 11,20 11,00 10,70 10,40 9,69 8,84 7,91 6,92 5,93 4,95 4,02

50900 46100 41600 37400 29900 23300 17800 13100 9260 6200 3830 13,10 12,70 12,20 11,70 10,60 9,46 8,24 7,02 5,83 4,69 3,64

42600 38400 34400 30800 24200 18700 13900 9960 6770 4240 2290 14,70 14,00 13,30 12,60 11,20 9,77 8,29 6,85 5,48 4,21 3,07 34200 30700 27400 24300 18800 14200 10300 7100 4570 15,80 15,00 14,10 13,20 11,50 9,76 8,05 6,41 4,88

76800 70000 63600 57600 46700 37300 29200 22400 16700 12100 8450 10,10 10,10 10,10 9,97 9,57 9,00 8,29 7,48 6,60 5,69 4,79

67500 61400 55600 50200 40400 32000 24800 18700 13700 9530 6310 12,80 12,50 12,20 11,80 11,00 10,00 9,01 7,90 6,77 5,65 4,58 58000 52500 47400 42600 34000 26600 20300 15000 10600 7070 4300 15,00 14,50 13,90 13,30 12,10 10,70 9,41 8,02 6,66 5,36 4,15

48500 43700 39200 35000 27600 21200 15900 11400 7750 4840 2560 16,70 16,00 15,20 14,40 12,80 11,10 9,47 7,83 6,26 4,80 3,48

39000 34900 31100 27600 21400 16100 11700 8120 5250 18,00 17,00 16,10 15,10 13,10 11,10 9,18 7,32 5,57

Relating to 20 °C suction gas temperature without liquid subcooling


Performance dataSingle-stage Compressors R134a


Type Cond.

temp.

°C

Cooling capacity QO [W] Power consumption P

e [kW]

Evaporating temperature °C

12,5 10 7,5 5 0 -5 -10 -15 -20 -25 -30

HGX6/1080-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX6/1240-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX6/1410-4 R134a 1)

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

•

R134a Performance data 50 Hz

89500 81600 74300 67300 54900 44200 35100 27400 21100 15900 11800 14,10 13,70 13,30 12,90 12,00 11,10 10,10 9,17 8,15 7,12 6,09

78500 71500 65000 58900 48000 38600 30600 23900 18300 13700 9910 16,20 15,70 15,20 14,60 13,50 12,40 11,20 9,99 8,75 7,50 6,25 67800 61700 56100 50800 41400 33300 26300 20500 15600 11400 7940 18,30 17,70 17,00 16,40 15,00 13,50 12,10 10,60 9,12 7,61 6,11 57400 52200 47400 42900 34900 28000 22100 17000 12700 9020 5800 20,40 19,60 18,80 18,00 16,30 14,50 12,70 11,00 9,19 7,38 5,58 47300 43000 38900 35200 28500 22800 17800 13600 9780 22,40 21,40 20,40 19,40 17,30 15,20 13,10 11,00 8,86

103000 93400 84900 77000 62800 50500 40000 31300 24000 18100 13500 16,20 15,70 15,30 14,80 13,80 12,70 11,60 10,50 9,35 8,18 6,99

89600 81700 74300 67400 54900 44100 35000 27300 20900 15600 11400 18,60 18,00 17,40 16,80 15,50 14,20 12,80 11,40 10,00 8,61 7,18

77300 70500 64000 58000 47300 38000 30100 23400 17700 13100 9120 21,10 20,30 19,60 18,80 17,20 15,50 13,80 12,10 10,40 8,75 7,02 65400 59500 54100 49000 39800 31900 25200 19400 14500 10300 6660 23,50 22,60 21,60 20,60 18,70 16,70 14,60 12,60 10,50 8,50 6,44 53800 48900 44300 40100 32500 26000 20300 15400 11200 25,80 24,60 23,50 22,30 19,90 17,50 15,10 12,60 10,20 113000 103000 93100 84500 68900 55400 44000 34300 26400 19900 14800 18,60 18,10 17,50 17,00 15,80 14,60 13,30 12,00 10,70 9,38 8,04 98300 89600 81500 73900 60200 48500 38400 30000 22900 17200 12500 21,30 20,70 20,00 19,30 17,80 16,30 14,70 13,10 11,50 9,88 8,26 84900 77400 70300 63700 51900 41700 33000 25700 19500 14300 10000 24,10 23,30 22,40 21,50 19,70 17,80 15,90 13,90 12,00 10,00 8,07 71900 65500 59400 53800 43800 35100 27700 21400 16000 11400 7310 26,90 25,80 24,70 23,60 21,40 19,10 16,80 14,40 12,10 9,74 7,39 59200 53800 48800 44100 35700 28500 22300 16900 12300 29,40 28,10 26,80 25,50 22,80 20,10 17,30 14,50 11,60

HGX7/1620-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX7/1860-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

HGX7/2110-4 R134a

30Q

P

40Q

P

50Q

P

60Q

P

70Q

P

133000 122000 111000 101000 81600 65500 51600 39800 30100 22200 16000 18,50 18,40 18,10 17,80 17,00 15,90 14,70 13,30 11,80 10,30 8,82

118000 107000 97300 88200 71600 57200 44800 34300 25500 18400 12800 22,40 22,00 21,40 20,80 19,40 17,90 16,10 14,30 12,40 10,60 8,86 102000 92800 84300 76200 61600 48900 38000 28700 20900 14600 9430 26,00 25,30 24,40 23,50 21,60 19,40 17,20 15,00 12,70 10,60 8,54 86500 78600 71100 64100 51500 40500 31000 23000 16300 10700 6070 29,20 28,10 26,90 25,70 23,20 20,60 17,90 15,20 12,60 10,00 7,75 71100 64300 57900 52000 41300 32000 24000 17200 11500 31,80 30,40 28,90 27,40 24,30 21,10 17,90 14,80 11,80

153000 139000 127000 115000 93600 75100 59200 45700 34500 25400 18400 21,10 20,90 20,70 20,40 19,40 18,20 16,80 15,20 13,50 11,80 10,00 135000 123000 112000 102000 82100 65600 51400 39400 29300 21200 14700 25,60 25,10 24,50 23,80 22,20 20,40 18,50 16,40 14,30 12,10 10,10

117000 107000 96600 87400 70600 56100 43600 33000 24100 16800 10900 29,80 28,90 28,00 26,90 24,70 22,30 19,70 17,20 14,60 12,10 9,80 99200 90100 81600 73500 59100 46500 35700 26500 18700 12300 6970 33,50 32,20 30,90 29,50 26,60 23,60 20,50 17,40 14,40 11,60 8,91 81500 73700 66500 59700 47400 36800 27600 19800 13200 36,50 34,80 33,10 31,40 27,80 24,20 20,60 17,00 13,60

172000 157000 143000 130000 106000 84800 66800 51600 38900 28700 20700 24,00 23,90 23,60 23,20 22,20 20,80 19,10 17,30 15,30 13,40 11,40 152000 139000 126000 115000 92700 74100 58000 44400 33100 23900 16600 29,10 28,60 27,90 27,10 25,30 23,30 21,00 18,60 16,20 13,80 11,50 132000 121000 109000 98600 79700 63200 49100 37100 27100 18900 12300 33,80 32,90 31,80 30,60 28,10 25,40 22,50 19,60 16,60 13,80 11,10 112000 102000 91900 82900 66500 52300 40100 29700 21000 13800 7830 38,00 36,60 35,10 33,50 30,30 26,80 23,30 19,90 16,40 13,10 10,10 91700 83000 74800 67100 53300 41300 31100 22300 14900 41,30 39,50 37,60 35,60 31,60 27,50 23,40 19,40 15,40

Performance dataSingle-stage Compressors R134a

Relating to 20 °C suction gas temperature without liquid subcooling


1) Compressors are ASERCOM certified


Technical dataSingle-stage Compressors R134a

R134a

Type

Num-

ber

of

cylin-

ders

Displacement

50 / 60 Hz

(1450 / 1740 rpm)

Electrical data 3 Weight Connections 6 Oil

chargeVol-

tage

1

Max.

working

current2

Max. power

consumption

2

Starting

current

(rotor locked)

Discharge

line

DV

Suction

line

SV

m³/h A kW A kg mm I inch mm I inch Ltr.

* PW 1+2 *PW1 / PW 1+2

HGX4/465-4 R134a 4 40,50 / 48,60 4 16 9,4 56 / 73 148 28 I 11/8 35 I 13/8 2,7

HGX4/555-4 R134a 4 48,20 / 57,80 4 19 11,2 84 / 109 150 28 I 11/8 35 I 13/8 2,7

HGX4/650-4 R134a 4 56,60 / 67,90 4 22 13,1 84 / 109 152 28 I 11/8 42 I 15/8 2,7

HGX5/725-4 R134a 4 62,90 / 75,50 4 25 14,6 84 / 109 198 28 I 11/8 42 I 15/8 4,5

HGX5/830-4 R134a 4 72,20 / 86,70 4 28 16,7 84 / 109 198 28 I 11/8 42 I 15/8 4,5

HGX5/945-4 R134a 4 82,20 / 98,60 4 33 19,1 110 / 141 201 35 I 13/8 54 I 21/8 4,5

HGX6/1080-4 R134a 4 93,70 / 112,40 4 42 24,6 152 / 183 218 35 I 13/8 54 I 21/8 4,5

HGX6/1240-4 R134a 4 107,60 / 129,10 4 48 28,2 156 / 193 222 35 I 13/8 54 I 21/8 4,5

HGX6/1410-4 R134a 4 122,40 / 146,90 4 55 32,2 156 / 193 220 35 I 13/8 54 I 21/8 4,5

HGX7/1620-4 R134a 6 140,60 / 168,70 5 63 34,1 223 / 340 279 42 I 15/8 54 I 21/8 4,8

HGX7/1860-4 R134a 6 161,40 / 193,70 5 68 39,2 268 / 373 297 42 I 15/8 54 I 21/8 4,8

HGX7/2110-4 R134a 6 183,60 / 220,40 5 81 44,6 291 / 429 290 42 I 15/8 64 I 25/8 4,8

* PW = Part Winding, motors for part winding start 1 = 1. part winding 2 = 2. part winding

Explanations:

Tolerance (± 10%) relates to the mean value of the voltage

range. Other voltages and current types on request.

- The specifications for max. power consumption apply for

50 Hz operation. For 60 Hz operation, the specifications

have to be multiplied by the factor 1.2.

The max. working current remains unchanged.

- Take account of the max. operating current / max. power

consumption when designing contactors, leads and fuses.

Switches: service category AC3

All data are based on the mean value of the voltage range.

380-420 V Y/YY - 3 - 50 Hz PW

440-480 V Y/YY - 3 - 60 Hz PW

PW = Part Winding, motors for part winding start

(no start unloaders required)

- Winding ratio: HGX4, HGX5, HGX6 = 66% / 33%

- Designs for Y/∆ on request

380-420 V Y/YY - 3 - 50 Hz PW

440-480 V Y/YY - 3 - 60 Hz PW

PW = Part Winding, motors for part winding start

(no start unloaders required)

- Winding ratio: HGX7 = 60% / 40%

- Designs for Y/∆ on request

For soldering connections

Oil sump heater 230 V - 1 - 50/60 Hz (accessories)

- HGX4: 80 W

- HGX5, HGX6, HGX7: 140 W

Permanently set version, installation in immersion sleeve

1

2

3

4

5

6


1) SV 90° rotatableCentre of gravity

HGX4...R134a HGX4/465-4 R134a HGX4/555-4 R134a HGX4/650-4 R134a

Dimensions and connectionsSingle-stage Compressors R134a

2) Not with HG4/650-4, HG4/650-4 S Dimensions in ( ) = HG4/650-4, HG4/650-4 S

Maße in mm


283

290

4x 11

X

L

B B1

C

EHD1

O

K

J1FPD

ÖV

340

170

ca.405

306

ca.430

25ca.275

ca.1

80

83 508

122 630 (645)

A1

Q

DV B A

SV

ca.815 (830)

Dimensions in ( ) = HGX5/945-4

ca.1

80

ca.245

L

A

1)

A1

2)

DV N

SV

Q

(550)

73

436112

535

ca.690 (725)

P

A

KOD1H

FJ1

EC

B1B

D

ÖV

X

17

0330

112

78

ca.370

280

ca.4

05

4x

25

306

Dimensions in mm


1) SV 90° rotatableCentre of gravity



Dimensions in mm

ca.315

ca.2

15

150 612

90 472 290

33

1

4x 11

DV A2SVB A

Q

ca.830

43

9

B

A1

J1

L

C

F

D

E

B1

P

K,O

D1H

ÖV X

ca.5

00

ca.505

340

18

9


83 533

122 669

ca.285

ca.1

85

290

X

Q

B ADV

ca.850

P

FK

OD1H

C

B1

J1

D

L E

B

ÖV 25

ca.4

05

340

17

0

306

28

3

4x 11

ca.450

A1SV


View X

Possibility to connect to oil level regulator

HGX 4, 5, 6, 7

Three-hole connection for oil level regulator make ESK, AC+R, CARLY (3x M6, 10 deep)

Three-hole connection for oil level regulator make TRAXOIL (3 x M6 x 10 deep)


Connections HGX4...R134a HGX5...R134a HGX6...R134a HGX7...R134a

SV

DVSuction lineDischarge line

please refer to Technical data page 9

A Connection suction side, not lockable 1/8 " NPTF 1/

8 " NPTF 1/

8 " NPTF 1/

8 " NPTF

A1 Connection suction side, lockable 7/16

" UNF 7/16

" UNF 7/16

" UNF 7/16

" UNF

A2 Connection suction side, not lockable - - - 1/4 " NPTF

B Connection discharge side, not lockable 1/8 " NPTF 1/

8 " NPTF 1/

8 " NPTF 1/

8 " NPTF

B1 Connection discharge side, lockable 7/16

" UNF 7/16

" UNF 7/16

" UNF 7/16

" UNF

C Connection oil pressure safety switch OIL 7/16

" UNF 7/16

" UNF 7/16

" UNF 7/16

" UNF

D Connection oil pressure safety switch LP 7/16

" UNF 7/16

" UNF 7/16

" UNF 7/16

" UNF

D1 Connection oil return from oil separator 1/4 " NPTF 1/

4 " NPTF 1/

4 " NPTF 1/

4 " NPTF

E Connection oil pressure gauge 7/16

" UNF 7/16

" UNF 7/16

" UNF 7/16

" UNF

F Oil drain M 22 x 1,5 M 22 x 1,5 M 22 x 1,5 M 22 x 1,5

H Oil charge plug M 22 x 1,5 M 22 x 1,5 M 22 x 1,5 M 22 x 1,5

J1 Oil sump heater (accessories) M 22 x 1,5 M 22 x 1,5 M 22 x 1,5 M 22 x 1,5

K Sight glass 4 hole M 6 4 hole M 6 4 hole M 6 3 hole M 6

L Connection thermal protection thermostat 1/8 " NPTF 1/

8 " NPTF 1/

8 " NPTF 1/

8 " NPTF

N Connection capacity controller M 48 x 1,5 - - -

O Connection oil level regulator 3 x M 6 3 x M 6 3 x M 6 3 x M 6

ÖV Connection oil service valve 1/4 " NPTF 1/

4 " NPTF 1/

4 " NPTF 1/

4 " NPTF

P Connection oil differential pressure sensor M 20 x 1,5 M 20 x 1,5 M 20 x 1,5 M 22 x 1,5

Q Connection oil temperature sensor 1/8 " NPTF 1/

8 " NPTF 1/

8 " NPTF 1/

8 " NPTF


Dimensions with accessories HGX4 R134a HGX5 R134a HGX6 R134a HGX7 R134a

Intermediate adapter for discharge line valve Capacity regulator Start unloader1

TypeØ amm

bmm

cmm

dmm

HGX4 R134a 40 30 M10 20

HGX5 R134a 50 30 M10 25

HGX6 R134a 50 30 M10 25

HGX7 R134a 50 30 M10 25


Dimensions for anti-vibration pad

1 2 3

Type Amm

Bmm

Cmm

Dmm

Emm

Fmm

Gmm

Hmm

HGX4/465 R134a

HGX4/555 R134aca. 705 ca. 455 416 91 131 ca. 375 ca. 20 ca. 20

HGX4/650 R134a ca. 740 ca. 455 416 91 131 ca. 375 ca. 20 ca. 20

HGX5/725 R134a

HGX5/830 R134aca. 835 ca. 465 422 101 141 - - -

HGX5/945 R134a ca. 850 ca. 465 422 101 141 - - -

HGX6 R134a ca. 870 ca. 460 421 101 141 - - -

HGX7 R134a ca. 830 ca. 580 520,5 95 150 - - -


Scope of supply HGX4 HGX5 HGX6 HGX7

Semi-hermetic four cylinder reciprocating compressor

with drive motor for part winding start

380-420 V Y/YY - 3 - 50 Hz

440-480 V Y/YY - 3 - 60 Hz

Motor unit flanged onto the compressor housing

Semi-hermetic six cylinder reciprocating compressor

with drive motor for part winding start

380-420 V ∆ / YYY - 3 - 50 Hz

440-480 V ∆ / YYY - 3 - 60 Hz

Single-section compressor housing with hermetically integrated electric motor

Winding protection with PTC resistor sensors and electronic triggering unit Bock MP10

Oil pump

Oil pump cover with screwed connection for differential oil pressure sensor

(∆p-switch Kriwan make)

Connection possibility of oil level controllers makes ESK, AC+R or CARLY

Connection possibility of oil level controllers make Traxoil 1) 1) 1) 1)

Oil charge:

HGX: FUCHS Reniso Triton SE 55

Sight glass

Two sight glasses

Decompression valve

Suction and discharge line valve

Inert gas charge

4 anti-vibration pads enclosed

Scope of supply and accessoriesSingle-stage Compressors R134a

1) Only with additional adapter possible

Accessories HGX4 HGX5 HGX6 HGX7

1Start unloader by means of a Bock ESS (Electronic Soft Start)

IP20 (connection clamps IP00) for installation in switch cabinet

2 Oil sump heater 230 V - 1 - 50/60 Hz, 80 W

2 Oil sump heater 230 V - 1 - 50/60 Hz, 140 W

3 Oil pressure safety switch MP 54 230 V - 1 - 50/60 Hz, IP20 incl. mounting

4Oil differential pressure sensor (Δp-switch Kriwan make)

220-240 V - 1 - 50/60 Hz

5 Oil service valve

6 Thermal protection thermostat (PTC sensor) IP67

7 Bock Compressor Management BCM2000 including

oil pressure control

oil temperature control (NTC)

thermal protection thermostat (PTC) per cylinder cover

8 Water-cooled cylinder covers

Sea water resistant water-cooled cylinder covers

9 Intermediate adapter for discharge line valve

Special voltage and/or -frequency (on request)


AccessoriesSingle-stage Compressors R134a

Thermal protection thermostatOil service valveOil differential pressure sensor

Intermediate adapter for discharge line valve

Oil pressure safety switchESS Electronic Soft Start Oil sump heater

BCM2000 Bock Compressor Management

3

4

1 2

5 6

7

Water-cooled cylinder covers

8 9

GEA Bock HG Compressors - R134a

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