Semi-hermetic compressors for HC, HFC, HFO

Control concepts

Control concepts for compressors for HC, HFC, HFO
Virtually stepless capacity control: intermittently energised
Stepped capacity control: continuously energised

Compressors

Number of cylinder heads with capacity control

Capacity control range

2-cylinder compressors

2EES(P) .. CES(P)

1

virtually stepless: 100% .. 25%

4-cylinder compressors

4FES(P) .. 4FE(P)

2

virtually stepless: 100% .. 10%

1

stepped: 100% .. 50%

6-cylinder compressors

6JE(P) .. 6FE(P)

3

virtually stepless: 100% .. 10%

2

stepped: 100% .. 66% .. 33%

8-cylinder compressors

8GE(P) .. 8FE(P)

2

virtually stepless: 100% .. 50%

2

stepped: 100% .. 75% .. 50%

4-cylinder tandem compressors

44FES .. 44CES
44VES .. 44NES
44JE .. 44FE

4

virtually stepless: 100% .. 5%

2

stepped: 100% .. 75% .. 50% .. 25%

6-cylinder tandem compressors

66JE .. 66FE

6

virtually stepless: 100% .. 5%

4

stepped: 100 .. 83 .. 66 .. 50 .. 33 .. 17%

Activation of the solenoid valves

Activation of the CRII solenoid valves in compressors for HC, HFC, HFO, fully equipped with capacity regulators.
In 8-cylinder compressors, the compressor module (CM-RC-01 or CM-RC-02) automatically controls the capacity regulators and ensures, for example, that each capacity regulator is activated equally often on a rotating basis.