Lennox ZGB Series Unit Information page 24

CONDENSER
FAN
COMPRESSOR
CONDENSER
COIL
K250/K25
DL50 DL3/DL49
DL48
K191
ZGB PARTS ARRANGEMENT
EVAPORATOR
CONTROL
COIL
PANEL
SIDE POWER
ENTRY
BOTTOM POWER
FIGURE 1
ZGB CONTROL BOX
FAN RELAY
K10
1 3
4 6
7 9
K10
A B
K239
C1/C12
CAPACITOR
C1 or C12
FIGURE 2
IGNITION
CONTROL
BLOWER
MOTOR
BURNERS
ENTRY
TRANSFORMER
GAS RELAY T1
K72
1 3
4 6
CONTROL
7 9
TRANSFORMER
K72
A B
T1
L1 L2 L2 L3
K3
K1
T1 T2 T2 T3
CONTACTOR BLOWER
K1 CONTACTOR
K3
Page 24
BLOWER
HOUSING
HEAT
EXCHANGER
VENT CAP
COMBUSTION
AIR INDUCER
GAS VALVE
IGNITION CONTROL
3
6
A3
IGNITION
CONTROL
K2
L2 L3
K37
CAB
TRANSFORMER
T3
T2 T3
BLOWER
TRANSFORMER
CONTACTOR
T3
K3
A3
J1
2 1
5 4
K1
K25