Lennox BCK 020 Installation Operating & Maintenance Manual page 93

Principle sketches
BCD : Condenser coil
BEC : Hot water coil
BEV1 : Evaporator coil
BT12 : Blower temperature sensor
B14 : Hot water coil antifreeze thermostat
B41 : Compressor -MG1 high pressure safety switch
B42 : Compressor -MG2 high pressure safety switch
B51 : Compressor -MG1 low pressure safety switch
B52 : Compressor -MG2 low pressure safety switch
B61 : HP switch control for defrost
B62 : HP switch control for defrost
BHK-020-025
BCK-020-025
Page 92 - IOM / ROOFTOP BALTIC Series - 0803 - E
CA : Check valve
DT : Thermostatic expansion valve
FD : Filter drier
MC1 - MC2 : Condenser - MC1 - MC2 fan motor
MG1 - MG2 : Compressor
MG1 - MG2 : Contactor
MS1 : Blower fan motor MS1
VAM : Manual check valve
VRM : Manual control valve
YV2 : Hot water 3-way valve
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E Q U A L I Z I N G
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