Page 13
FIGURE 14
NOTE−Use gauge ports on vapor line valve and liquid valve for evacuating refrigerant lines
and indoor coil. Use suction gauge port to measure suction pressure during charging.
OUTDOOR COIL
DEFROST
THERMOSTAT
EXPANSION/CHECK
VALVE
BIFLOW
FILTER/DRIER
LOW
PRESSURE
COMPRESSOR
REVERSING
VALVE
MUFFLER
NOTE − ARROWS INDICATE
DIRECTION OF REFRIGERANT FLOW
EXPANSION/CHECK
VALVE
INDOOR UNIT
OUTDOOR UNIT
LIQUID LINE
SERVICE
PORT
GAUGE
MANIFOLD
DISTRIBUTOR
INDOOR
COIL
HP27 COOLING CYCLE (WITH GAUGE MANIFOLD CONNECTIONS)
HIGH
PRESSURE
VAPOR
LINE
VALVE
SUCTION
SERVICE
PORT
TO
HCFC-2
2
DRUM
HIGH PRESSURE
LIMIT
THERMOME-
TER
WELL
ACCUMULATOR
FIGURE 15
NOTE−Use gauge ports on vapor line valve and liquid valve for evacuating refrigerant lines
and indoor coil. Use suction gauge port to measure suction pressure during charging.
OUTDOOR COIL
DEFROST
THERMOSTAT
EXPANSION/CHECK
VALVE
BIFLOW
FILTER/DRIER
LOW
PRESSURE
COMPRESSOR
REVERSING
VALVE
MUFFLER
NOTE − ARROWS INDICATE
DIRECTION OF REFRIGERANT FLOW
EXPANSION/CHECK
VALVE
INDOOR UNIT
OUTDOOR UNIT
LIQUID LINE
SERVICE
PORT
GAUGE
MANIFOLD
DISTRIBUTOR
INDOOR
COIL
HP27 HEATING CYCLE (WITH GAUGE MANIFOLD CONNECTIONS)
HIGH
PRESSURE
VAPOR
LINE
VALVE
SUCTION
SERVICE
PORT
TO
HCFC-2
2
DRUM
HIGH PRESSURE
LIMIT
THERMOME-
TER
WELL
ACCUMULATOR
