Lennox SCA Series - Page 22

Page 22
SCA120 PLUMBING & COMPONENTS
FIGURE 8
DRIERS
(2)
CONDENSER
COIL
HIGH PRES-
SURE SWITCH
(S7)
COMPRESSOR
(B2)
LOW PRESSURE
SWITCH (S88)
CRANK-
CASE
HEATER
(HR2)
DISCHARGE
LINE
SUCTION
LINE
1ST STAGE
COMPRESSOR
(B1)
HIGH PRESSURE
SWITCH
(S4)
CRANKCASE
HEATER
(HR1)
LOW PRES-
SURE SWITCH
(S87)
LOW AMBIENT
SWITCH
(S11)
LOW AMBIENT
SWITCH
(S84)
BOTTOM POWER
ENTRY