Reciprocating Compressor; Fig. 4 Position Of The Reciprocating Compressor - GEA RedGenium Operating Instruction

3.1.4.1 Reciprocating compressor

Fig.4:
The GEA RedGenium uses open, single-action, multi-cylinder reciprocating com-
pressors for the refrigerant ammonia (R717).
The reciprocating compressors are characterised by compact design, high relia-
bility, high quality components and ease of maintenance.
The compressors are operated with ammonia (NH
With the compressor the suction of the ammonia vapour and its compression cre-
ated in the evaporator takes place at condensing pressure.
The pressure and temperature transmitters installed on the compressor are used
to monitor the operating values of the compressor. With the compressor the indi-
vidual cylinders can be switched off either by bypass valves or suction valve relief
devices.
The compressors have the following equipment features:
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Safety equipment on the pressure generators is standard in compliance with EN
378 by current linkage valves combined with DBK safety pressure limiters.
L_151511_2
19.12.2019
Position of the reciprocating compressor
Start-up load relief
Capacity control by cylinders switch-off
Monitoring oil difference pressure
Oil heater
Monitoring discharge pressure
Monitoring suction pressure
Monitoring crankcase pressure
Monitoring discharge temperature
Monitoring oil temperature
Monitoring suction temperature
) as the refrigerant.
3
Description
Design
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