SERVICING THE Ale SYSTEM
ADDING REFRIGERANT TO SYSTEM
(SYSTEM OPERATING)
LOW SIDE
HIGH SIDE
LOW SlOE
HAND VALVE
OPEN
HIGH SIDE
(TO CONDENSER)
COMPRESSOR
VALVES
OPEN
lh·2
TURNS
(MID·POSITION)
LOW SIDE
(TO EVAPORATOR)
N3-2
HIGH SIDE
HAND VALVE
CLOSED
R12
REFRIGERANT
CAN