Bard WG Series Installation Instructions Manual page 57

L1 L2 L3
FURNACE
1
CONTROL
BOARD
4 5
W2 FLAME
PRIM.
LIMIT ROLLOUT
R
W1
Y1
2
L1 K3
K2
D1
G
15 14 12 10 6 2 13 3 1
Y2
C
Factory
Optional
High Voltage
Low Voltage
460-60-3
Power Source
Fuse Transformer
Fuse
L1 L1
Compressor Contactor
L2 L2
L3 L3
C NC
Crankcase Heater
Aux.
240
Transformer
K1
9 7 10 8 6
PRESSURE
SWITCH
FURNACE CONTROL BOARD
K4
K4
HEAT UNUSED
COOL
16 Pin Plug for
Indoor Blower Motor
A
Wires Connect
if Option Not
Used
WG3S2-C, WG4S2-C, WG5S2-C
5 Pin Plug for Indoor Blower Motor
4 5 3
L1
Compressor
L2 L3
A
INDUCED DRAFT
BLOWER RELAY
4
208
Use for 208V Operation
COM
24VAC
2
K3
K2
K1
K4
K1
3 11 12
GAS
VALVE
HIGH PRESSURE
CONTROL
LOW PRESSURE
CONTROL
L2 L2 L2
460/60/3
Capacitor
Low Ambient INDUCED DRAFT
Control (OPT.) BLOWER MOTOR
2
L1 L2 L3
Phase Monitor
Yo C
Y
Y CC
HPC
COMPRESSOR
R
ALR
CONTACTOR
C
LPC
COMPRESSOR
LPC
CONTROL MODULE
HIGH SPEED
SOLENOID
INDUCED DRAFT
BLOWER RELAY
Ladder Diagram
Manual
Page
Outdoor
Fan Motor
A
4085-392
2100-587J
57 of 59