Lennox LCH036 Installation Instructions Manual page 116

4- Each refrigerant circuit is separately charged with
R410A refrigerant. See unit rating plate for correct
amount of charge.
STAGE 2
EVAPORATOR
COIL
STAGE 1
EVAPORATOR
COIL
CIRCUIT 4
CIRCUIT 3
STAGE 2
EVAPORATOR
COIL
STAGE 1
EVAPORATOR
COIL
CAV REFRIGERANT CIRCUITS
EVAPORATOR
COIL
FIGURE 20
VAV UNIT REFRIGERANT CIRCUITS
FIGURE 21
5- Refer to Cooling Operation and Adjustment section for
proper method to check refrigerant charge.
Page 16
STAGE 1
CONDENSER COIL
STAGE 2
CONDENSER COIL
STAGE 1
CONDENSER COIL
STAGE 2
CONDENSER COIL