Contents
Main
GAS-FIRED COMMERCIAL
GB/GW-300, 400, 500, 650, 750 SERIES 400, 401, 402, 403, 404, 405,
2-STAGE UNITS
Lighting Instructions for the G(B/W) 300 through 750 models
LIGHTING INSTRUCTIONS
WARNING
TEMPERATURE REGULATION
DANGER
BOILER LOCATION
BURNER SYSTEM
CHEMICAL VAPOR CORROSION
CIRCULATION PUMP
ELECTRONIC HOT SURFACE IGNITION CONTROL BOARD
Inputs To CCB and FCB:
Page
Page
Page
Outputs from CCB and FCB's :
CCB/FCB Indicator Lamps & Fuses
Igniters
Appliance Operating Sequence
CCB - Three position Dipswitch (Flame Control Section):
CCB/FCB Dip Switches:
Temperature Setpoints (System Control Algorithm)
UIM Operating Procedures
Description of CCB control states:
Description of FCB control states:
OPERATING SETPOINT ADJUSTMENT PROCEDURE
HIGH LIMIT SETPOINT ADJUSTMENT PROCEDURE
HIGH LIMIT DIFFERENTIAL SETPOINT ADJUSTMENT PROCEDURE
OPERATING DIFFERENTIAL SETPOINT ADJUSTMENT PROCEDURE
Page
Page
UIM Touch Switches
TROUBLESHOOTING IGNITION SYSTEM
Page
Page
Page
Page
Page
NEW BOILER LIMITED WARRANTY
