C6.1.6/0117-1017/E
41
Appendix 1: Overview of the ZX unit components
Components
Medium temperature
Medium temperature
Low temperature
Standard
Digital
Standard
ZXME
ZXDE
ZXLE
Compressor M1
Fan M2.1
Fan M2.2
ZXME050E
– ZXME075E
ZXLE050E & ZXLE060E
Y1 Stepper valve EVI
[-]
[-]
Y1 Stepper valve liquid
[-]
[-]
Y2 DGS solenoid valve
[-]
[-]
E1 Crankcase heater
S1 High pressure switch
S2 Low pressure switch
[-]
[-]
[-]
S3 Room thermostat (optional)
[-]
[-]
[-]
B1 Pressure transducer suction
B2 Pressure transducer discharge
B3 DLT NTC discharge
B4 EVI vapour in sensor NTC
[-]
[-]
B5 EVI vapour out sensor NTC
[-]
[-]
B6 Ambient temperature sensor NTC
B7 Temperature sensor (optional)
[-]
[-]
[-]
Table 30: Overview of the ZX unit components