7
4.0 Refrigerant Management System Used with
Older Carlyle Electronic Module (CEM) Systems
HPS
LPS
HPS
LPS
EVAPORATOR
LEAD COMPRESSOR
HPS
LPS
HPS
LPS
OIL SEP.
DISCHARGE
CONDENSER
ECONOMIZER
EXPANSION VALVE
SOLENOID
CHECK VALVE
HPS HIGH PRESSURE
SWITCH
LPS LOW PRESSURE
SWITCH
RLPS
RLPS
RLPS
RLPS
MOTOR COOLING
VALVE
RLPS REVERSE ROTATION
LOW PRESSURE SWITCH