Page 50
LGH/LCH156, 180, 210, 240, 300S
4
FIGURE 31
REHEAT MODE REFRIGERANT ROUTING
240 AND 300S UNITS
REHEAT
COIL
CIRCUIT 1
CONDENSER
COIL
CIRCUIT 2
CONDENSER
COIL
1
2
EXPANSION
VALVES
CHECK
VALVE
L14
REHEAT
VALVE
L30
REHEAT
VALVE
3
CHECK
VALVE
STAGE 1
EVAPORATOR
COIL
STAGE 2
EVAPORATOR
COIL
Note: Two refrigerant circuits are shown;
both circuits operate during reheat.
4
FIGURE 32
COOLING MODE REFRIGERANT ROUTING
240 AND 300S UNITS
REHEAT
COIL
CIRCUIT 1
CONDENSER
COIL
CIRCUIT 2
CONDENSER
COIL
1
2
EXPANSION
VALVES
CHECK
VALVE
L14
REHEAT
VALVE
L30
REHEAT
VALVE
3
CHECK
VALVE
STAGE 1
EVAPORATOR
COIL
STAGE 2
EVAPORATOR
COIL
Note: Two refrigerant circuits are shown;
both circuits operate when there is a
first-stage thermostat demand (default).
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