Lennox SCH240

Page 50
507964-01 9/2019
REHEAT MODE REFRIGERANT ROUTING 120
FIGURE 36
EXPANSION
VALVES
REHEAT
VALVE
CHECK
VALVE
CONDENSER
COIL
REFRIGERANT
CIRCUIT 1
REFRIGERANT
CIRCUIT 2
EVAPORATOR
OUTDOOR
COIL
AIR
REHEAT MODE REFRIGERANT ROUTING 240
FIGURE 37
REHEAT COIL
REHEAT COIL
EVAPORATOR
COIL
DEHUMIDIFIED
“NEUTRAL”
AIR
MIXED
INDOOR/OUTDOOR
AIR
CONDENSER
COIL
NOTE:Refrigerant circuits one and two operates
when there is a first − stage thermostat demand.
OUTDOOR
AIR
EXPANSION
VALVES
REHEAT VALVE
CHECK VALVE
REFRIGERANT
CIRCUIT 1
REFRIGERANT
CIRCUIT 2
REFRIGERANT
CIRCUIT 3
REFRIGERANT
CIRCUIT 4
THERMAL