Service manual

BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
46
10.4 Ladder Diagram
10.5 Electrical Connection to the Burner
Power
Valve
Sense
Ground
Spark
Transformer
Blower
Pressure
Switch
Ignition Module
Gas Valve
Power Supply
120 V - 60 Hz
Gap
Electrode
120 V
24 V
Conduit Hole
BX or Romex Connector
Burner Box
Internal Wire Bundle
Green
White
Black
L1
L2
Gnd.
Connect wires together with
suitable approved wire connections.
Green to Gnd.
White to L2
Black to L1
Electrical Cord or
Flexible Conduit