Lennox LGH240H

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S8 (180 ONLY)
PERATURE SWITCH
S5 (180 ONLY)
COMPRESSOR 1 HIGH
TEMPERATURE SWITCH
A185 STG. 1
PRESSURE
TRANSDUCER
S87 STG. 1
LOW PRESSURE
SWITCH
S31 (180 ONLY)
PERATURE SWITCH
S180 (180 ONLY)
COMPRESSOR 4 HIGH
TEMPERATURE SWITCH
A186 STG. 2
PRESSURE
TRANSDUCER
S98 STG. 2
LOW PRESSURE SWITCH
S5 (240 ONLY)
COMPRESSOR 1
HIGH TEMPERATURE
SWITCH
S8 (240 ONLY)
COMPRESSOR 2 HIGH
TEMPERATURE LIMIT
S31 (240 ONLY)
COMPRESSOR 3 HIGH
TEMPERATURE LIMIT
S180 (240 ONLY)
COMPRESSOR 4 HIGH
TEMPERATURE SWITCH
CIRCUIT 1 AND 2
ALTERNATE THROUGH THE
EVAPORATOR COIL
(not to scale)
CIRCUIT 1
CONDENSER COIL
180U, 240U, 300U REFRIGERANT CIRCUITS
CIRCUIT 2
CONDENSER COIL
CIRCUIT 1 -
COMPRESSOR 1 AND 2
CIRCUIT 2 -
COMPRESSOR 3 AND 4
Y1=Compressor 1 or 2 AND
Compressor 3 or 4
Y2=Compressor 1, 2, 3, 4
180U, 240U, 300U COMPRESSOR DETAIL
FIGURE 9