Manitowoc Q450 Service Technician's Handbook page 164

HEAT EXCHANGER
LOW SIDE
SERVICE VALVE
(BACKSEATED)
COMPRESSOR
HARVEST
PRESSURE
REGULATING
VALVE
x
LIQUID
LINE
SOLENOID
DRIER
RECEIVER
SERVICE VALVE
1/2 OPEN
MANIFOLD SET
OPEN
SCALE
CLOSED
RECOVERY/EVACUATION
EVAPORATOR
EXPANSION
VALVE
x
HARVEST
PRESSURE
SOLENOID
VALVE
HIGH SIDE
SERVICE VALVE
(BACKSEATED)
CHECK VALVE
TEE
OPEN
REMOTE
CONNECTIONS
–154–
HARVEST
SOLENOID
VALVES
STRAINER
CHECK
VALVE
DISCHARGE LINE
QUICK CONNECT
SCHRAEDER FITTING
REMOTE CONDENSER
R
HEAD PRESSURE
CONTROL VALVE
OPEN
VACUUM PUMP/
RECOVERY UNIT
B
C