Lennox LGM240 - Page 45

Page 45
REHEAT MODE REFRIGERANT ROUTING
156, 180 UNITS
REHEAT
COIL
CIRCUIT 2 & 3
CONDENSER COILS
INTERTWINED
CIRCUIT 1
CONDENSER
COIL
1
2
EXPANSION
VALVES
CHECK
VALVE
L14
REHEAT
VALVE
L30
REHEAT
VALVE
3
CHECK
VALVE
Note: Two refrigerant circuits are shown;
both circuits operate during reheat.
EVAPORATOR
CIRCUITS 1 & 2
ARE INTERTWINED
FIGURE 32
COOLING MODE REFRIGERANT ROUTING
156, 180 UNITS
REHEAT
COIL
CIRCUIT 1
CONDENSER
COIL
1
2
EXPANSION
VALVES
CHECK
VALVE
L14
REHEAT
VALVE
L30
REHEAT
VALVE
3
CHECK
VALVE
Note: Two refrigerant circuits are
shown; both circuits operate
when there is a cooling demand.
CIRCUIT 2 & 3
CONDENSER COILS
INTERTWINED
EVAPORATOR
CIRCUITS 1 & 2
ARE INTERTWINED
FIGURE 33