C6.1.6/0117-1017/E
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2.8.4 P&I diagram for ZXME units
Figure 3: P&I diagram for ZXME units
Position
Description
Comments
Fast access
menu
1 (M1)
High efficient Copeland Scroll compressor
2 (M2)
Condenser with 1 or 2 fans
3
Liquid receiver with service valve
4
Filter drier / sight glass combination
5 (Y1)
Expansion device for suction line injection
6
Service valve, suction line
7
Service valve, liquid line
PSL (S2)
Adjustable low-pressure switch (not factory
mounted)
System safety
(option)
PSH (S1) Non-adjustable high-pressure switch
System safety
PTL (B1)
Suction pressure sensor, low pressure
Compressor setpoint
P1P
PTH (B2) Pressure sensor, high pressure
Fan speed control
P2P
TT1 (B3)
Discharge temperature sensor
Compressor safety
P3t
TT2 (B6)
Ambient temperature sensor
Additional functions
P6t
Table 5: Legend of the P&I diagram for ZXME units
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