Lennox LGH156H - Page 32

Page 32
240H, 300S, 300U PLUMBING, COMPRESSOR AND REFRIGERANT
CIRCUITS DETAIL
STAGE 1
CONDENSER COIL
STAGE 2
EVAPORATOR COIL
STAGE 2
CONDENSER COIL
STAGE 1
EVAPORATOR COIL
(B2)
STG 1
(B13)
STG 2
(B1)
STG 1
(S87)
(S7)
(S28)
(S88)
(S96)
SUCTION
LINE
HIGH
PRESSURE
SWITCH (S4)
DISCHARGE
LINE
PRESSURE
TAP
COMPRESSOR (B1) STG 1
LOW PRESSURE
SWITCH (S87)
(B20)
STG 2
(S97)
(S98)
DRIERS (4)
STAGE 4
CIRCUITS
1, 2, 3, & 4
INTERTWINED
240 VAV ONLY
EVAPORATOR
COIL
(not to scale)
STAGE 1
CIRCUIT 1
STAGE 2
CIRCUITS 1 & 2
INTERTWINED
STAGE 3
CIRCUITS 1, 2, & 3
INTERTWINED
FIGURE 8