Lennox LGM180 - Reheat Mode Refrigerant Routing (210-300); Cooling Mode Refrigerant Routing (210-300)

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4
REHEAT MODE REFRIGERANT ROUTING
210, 240 AND 300 UNITS
REHEAT
COIL
CONDENSER COIL
CIRCUIT 2 & 4 ARE
INTERTWINED
1
2
EXPANSION
VALVES
CHECK
VALVE
L14
REHEAT
VALVE
L30
REHEAT
VALVE
3
CHECK
VALVE
ALL FOUR
EVAPORATOR
COILS ARE
INTERTWINED
Note: Two refrigerant circuits are shown;
both circuits operate during reheat.
CONDENSER COIL
CIRCUIT 1 & 3 ARE
INTERTWINED
FIGURE 34
4
COOLING MODE REFRIGERANT ROUTING
210, 240 AND 300 UNITS
REHEAT
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.
CONDENSER COIL
CIRCUIT 2 & 4 ARE
INTERTWINED
ALL FOUR
EVAPORATOR
COILS ARE
INTERTWINED
CONDENSER COIL
CIRCUIT 1 & 3 ARE
INTERTWINED
FIGURE 35