The GEA RedGenium is a compact heat pump for small to medium and up to slightly higher heat loads. At its heart are now three different reciprocating compressor series completing a total range of 11 models.
The brand-new GEA Grasso V XHP reciprocating compressor series features four super-efficient sizes. They provide twice the capacity than the existing types and a maximum supply temperature of +95 °C making the GEA RedGenium the only standard reciprocating heat pump to reach this temperature level. Thanks to the large temperature and pressure lift that V XHP technology allows, the series is fit for combined refrigeration and heating applications as well as for heating only using low-temperature heat sources, from cold environments for example.
The existing, efficient GEA Grasso V HP reciprocating compressor line remains available in three different sizes – the perfect, cost-effective match for medium capacity applications up to +70 °C supply temperature.
The implementation of the proven GEA Grasso 5 HP line, featuring four small-sized models, enables the GEA RedGenium to be efficiently used for smaller heat loads and temperature levels of up to +80 °C.
Aligned to the successful GEA BluGenium chiller design and equipped with heat exchangers configured and optimized according to each project’s requirements, the GEA RedGenium utilizes low ammonia charges and occupies a small footprint while delivering reliable efficiency.
Thanks to the enhanced supply temperature and capacity range, GEA RedGenium heat pumps are used in industrial applications where process heat is needed or fed into a local or district heating network.
Every GEA RedGenium can use any liquid heat source up to +50 °C, for example wastewater, surface water and ground water, or with a liquid secondary refrigerant for combined cooling and heating applications. The GEA Grasso V HP and the new V XHP models even allow heat sources below zero providing secondary refrigerant outlet temperatures down to -10 °C for combined refrigeration demands.
Alternatively, all GEA RedGenium heat pumps can be equipped with a cascade evaporator, directly charged with hot ammonia gas from a refrigeration plant, to efficiently recover waste heat.
*) Sec. refrigerant +27/+22 °C, heat carrier +50/+70 °C
Learn more with GEA RTSelect – our product selection and configuration tool.
Stand-alone version (evaporator charged with liquid refrigerant)
Type | Heat
carrier (°C) |
Sec. refri-
gerant (°C) |
Heating
capacity (kW) |
Cooling
capacity (kW) |
COP 1) |
inlet/outlet | at 1500 min-1 | line | |||
GEA RedGenium 35 | 50/70
70/80 |
27/22
32/27 |
190
205 |
155
160 |
4,84
4,19 |
GEA RedGenium 45 | 50/70
70/80 |
27/22
32/27 |
255
275 |
210
215 |
4,92
4,27 |
GEA RedGenium 55 | 50/70
70/80 |
27/22
32/27 |
320
345 |
265
270 |
4,94
4,26 |
GEA RedGenium 65 | 50/70
70/80 |
27/22
32/27 |
380
410 |
310
320 |
4,97
4,30 |
GEA RedGenium 300 | 50/70 | 27/22 | 555 | 455 | 5,13 |
GEA RedGenium 450 | 50/70 | 27/22 | 835 | 685 | 5,12 |
GEA RedGenium 600 | 50/70 | 27/22 | 1120 | 920 | 5,15 |
GEA RedGenium 350 | 50/70
70/90 70/95 |
27/22
37/32 47/42 |
730
905 1195 |
600
715 975 |
5,06
4,33 5,05 |
GEA RedGenium 550 | 50/70
70/90 70/95 |
27/22
37/32 47/42 |
1090
1350 1775 |
895
1065 1450 |
5,09
4,33 5,07 |
GEA RedGenium 750 | 50/70
70/90 70/95 |
27/22
37/32 47/42 |
1440
1795 2385 |
1175
1415 1950 |
5,04
4,34 5,10 |
GEA RedGenium 950 | 50/70
70/90 70/95 |
27/22
37/32 47/42 |
1800
2200 2995 |
1475
1726 2460 |
5,08
4,27 5,17 |
Add-on version (cascade evaporator charged with ammonia from low-pressure chiller)
Type | Heat
carrier (°C) |
Heat source
condensing (°C) |
Heating
capacity (kW) |
Cooling
capacity (kW) |
COP 1) |
inlet/outlet | at 1500 min-1 | line | |||
GEA RedGenium 35 | 50/70
70/80 |
30,0
30,0 |
235
215 |
195
170 |
5,67
4,36 |
GEA RedGenium 45 | 50/70
70/80 |
30,0
30,0 |
315
290 |
265
233 |
5,78
4,45 |
GEA RedGenium 55 | 50/70
70/80 |
30,0
30,0 |
395
355 |
330
280 |
5,81
4,37 |
GEA RedGenium 65 | 50/70
70/80 |
30,0
30,0 |
465
430 |
390
340 |
5,70
4,42 |
GEA RedGenium 300 | 50/70 | 30,0 | 665 | 565 | 5,90 |
GEA RedGenium 450 | 50/70 | 30,0 | 1000 | 845 | 5,96 |
GEA RedGenium 600 | 50/70 | 30,0 | 1330 | 1125 | 5,93 |
GEA RedGenium 350 | 50/70
70/90 70/95 |
30,0
30,0 48,0 |
875
805 1345 |
735
620 1125 |
5,84
3,99 5,60 |
GEA RedGenium 550 | 50/70
70/90 70/95 |
30,0
30,0 48,0 |
1300
1200 2000 |
1100
925 1975 |
5,87
4,01 5,62 |
GEA RedGenium 750 | 50/70
70/90 70/95 |
30,0
30,0 48,0 |
1740
1585 2635 |
1470
1225 2195 |
5,89
4,03 5,56 |
GEA RedGenium 950 | 50/70
70/90 70/95 |
30,0
30,0 48,0 |
2170
1975 3230 |
1835
1520 2685 |
6,02
4,00 5,50 |
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