The most efficient solution for heating temperatures up to +95 °C

GEA RedGenium

A proven performer becomes even better: Higher temperatures, an enhanced capacity range, best-in-class efficiencies, increased sustainability at lower total costs – the new GEA RedGenium heat pump has it all. With additional reciprocating compressor models now available, foremost the brand- new GEA Grasso V XHP series, the GEA RedGenium is now suitable for a wider variety of industries and an even more diverse set of applications calling for greater capacity and temperatures up to +95°C. The heat pump’s overall compact, proven design at lowest refrigerant charges is continued so customers can rely on the proven concept. The GEA RedGenium is the first choice for maximum efficiency and minimum energy consumption.

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.

Highlights and technical features

  • Industry-leading efficiency and lowest energy consumption
  • Future-proof with the natural refrigerant ammonia (R717) – in accordance with the F-gas regulation, the initiative for the prohibition of F-gases
  • Heating capacity range approx. 200 to 1,800 kW *)
  • Heat carrier supply temperatures up to +95°C
  • Heat source temperature range between -10 and up to +50°C
  • Combined cooling and heating possible
  • Ammonia cascade evaporator option for efficient “add-on” set-up to existing refrigeration systems
  • Fully welded shell & plate heat exchanger
  • Various plate materials available, all common liquids supported
  • Efficiency-optimized configuration with minimized energy costs and CO2 emissions
  • Minimum footprint, comes in one piece
  • Unit ready for connection, easy installation, minimum maintenance
  • Stepless capacity control via frequency inverter (variable speed range 500 – 1,500 rpm) and cylinder switch-off
  • Industry-leading control technology with GEA Omni control panel

*) Sec. refrigerant +27/+22 °C, heat carrier +50/+70 °C

Learn more with GEA RTSelect – our product selection and configuration tool.

Technical data GEA RedGenium

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

Technical data GEA RedGenium

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
1) COP (coefficient of performance) = heating capacity / electrical consumption at net

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