Trane CCUF, Installation Operation & Maintenance

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Page 32
8
REFRIGERANT SCHEME
IMPORTANT:
Shut-off valves (aiming to avoid the refrigerant in the liquid line reaching dangerous pressure values
due to direct sun irradiation) featured in the refrigerant scheme above are optional.
If they are installed remotely by the customer the above scheme must be complied with concerning their position
INDEX
C COMPRESSOR
PA HIGH PRESSURE SWITCH
PB LOW PRESSURE SWITCH
RC
COMPRESSOR CARTER
HEATER
MA HIGH PRESSURE GAUGE
MB LOW PRESSURE GAUGE
PS SERVICE VALVE
VS SIGHT GLASS
R SHUT-OFF VALVE (OPTIONAL)
Tsc
DISCHARGE TEMPERATURE
PROBE
INDEX
Tas SUCTION TEMPERATURE PROBE
VI SOLENOID VALVE
VE ELECTRONIC EXPANSION VALVE
EWR EVAPORATOR
VA SAFETY VALVE
FE DRIER FILTER
KA HIGH PRESSURE TRANSDUCER
KB LOW PRESSURE TRANSDUCER
TW in
INLET WATER TEMPERATURE
PROBE
TW
out
OUTLET WATER TEMPERATURE
PROBE
Figure 19
REFRIGERANT= R410a