Lennox MS8 SERIES

Page 66
MS8C / MS8H (208-230V)
Refrigerant System Flow Diagrams
The following two diagrams illustrate refrigerant flow in either cooling or heating (heat pump only) operations.
INDOOR UNIT OUTDOOR UNIT
COMPRESSOR
COOLING
Discharge
Suction
Capillary
INDOOR COIL
2-WAY
SHUT-OFF
VALVE
3-WAY
SERVICE
VALVE
MUFFLER
ACCUMULATOR
OUTDOOR COIL
STRAINER
STRAINER
ELECTRONIC
EXPANSION VALVE
TYPICAL AIR CONDITIONER SYSTEM
FIGURE 72
INDOOR UNIT OUTDOOR UNIT
COMPRESSOR
COOLING
HEATING
Discharge
Suction
ELECTRONIC
EXPANSION VALVE
(EXCEPT 30K WHICH
USES CAPILLARY)
STRAINER
STRAINER
OUTDOOR COIL
ACCUMULATOR
MUFFLER
REVERSING
VALVE
INDOOR COIL
2-WAY
SHUT-OFF
VALVE
3-WAY
SERVICE
VALVE
TYPICAL HEAT PUMP SYSTEM
FIGURE 73