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11.2 Annual Shut Down Procedure
• Follow instructions “To Turn Off Gas To Appliance”
unless
boiler is also used to supply domestic hot water. See
section 10.
• Drain system completely if system does not have
antifreeze when heating system is to remain out of
service during freezing weather.
• Drain condensate lines when boiler is to be exposed to
freezing temperatures.
WARNING
Following service procedures must be performed
by qualifi ed service agent. Boiler owner shall not
attempt these steps. Failure to do so could result in
death or serious injury.
!
11.3 Annual Inspection and Cleaning of Boiler
Components
• Obtain Burner Inspection Kit. Follow kit instructions to
prepare for examination and cleaning.
• Burner and heat exchanger inspection and cleaning.
• Remove gasket and burner. Allow burner to clear top
lip of chassis.
• Remove any residual sleeve and/or gasket material
from removed burner.
• Clean burner using air hose directed into top of
burner opening to dislodge any debris in burner ports.
Inspect burner for foreign matter in fl ame ports or
inside burner. Remove foreign matter by blowing with
compressed air or vacuuming. Replace burner if it
cannot be cleaned or is showing deterioration.
• Clean heat exchanger with low pressure water spray.
Use fl exible handle nylon brush to loosen sediment
and oxide on all accessible heating surfaces of heat
exchanger. Take care not to get brush stuck in heat
exchanger.
• Remove any remaining loosened sediment using shop
vacuum with snorkel attachment.
• Clean condensate collector if signifi cant debris found in
heat exchanger.
• Expand upper collet clip of condensate trap using
hose clamp pliers. Disconnect condensate trap from
condensate collector. See fi gure 11-2.
• Disconnect wire harness from vent temperature
sensor. See fi gure 11-2.
• Loosen upper hose clamp securing condensate
collector to fl ue pipe using 3/8" socket with 6"
extension.
11 - GENERAL MAINTENANCE AND CLEANING
Figure 11-2 Condensate Trap
Coupling
Flue Pipe
Condensate Collector
Temperature Sensor
Hose Barb w/Cap
Condensate Trap connection
to Condensate Collector
Flexible Gas Line
Summary of Contents for BWMAAN000050
Page 46: ...46 13 TROUBLE SHOOTING ...
Page 48: ...48 13 TROUBLE SHOOTING ...
Page 53: ...53 14 WIRING DIAGRAM 14 1 Connection Diagram ...
Page 54: ...54 14 WIRING DIAGRAM 14 2 Schematic Diagram of Ladder Form ...
Page 60: ...60 APPENDIX A CONTROL MODULE ...
Page 61: ...61 APPENDIX A CONTROL MODULE ...
Page 64: ...64 APPENDIX A CONTROL MODULE ...
Page 70: ...70 NOTES ...
Page 71: ...71 Date Service Performed Company Name Tech Initials Company Address Phone ...
Page 72: ...CAC BDP 7310 West Morris St Indianapolis IN 48231 ...