Columbia CSC SERIES Installation, Operation & Maintenance Manual page 16

Csc series direct vent gas fired hot water boiler
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GENERAL INSTRUCTION FOR SEASONAL START UP AND MAINTENANCE
The following procedure should be followed to clean
and check the flue gas passageways:
1.
Turn off gas to the boiler at the manual gas
2.
Remove the jacket front panel. See Figure 12.
3.
Disconnect the vent pipe from the vent pipe adapter.
4.
Disconnect the air inlet pipe from the coupling. See
Figure 13 for coupling location.
5.
Remove the air box covers. See Figure 13.
6.
Remove the burners from the combustion chamber by
raising the burners up from the manifold orifices and
pulling toward the front of the boiler. See Figure 14.
7.
Remove top panel. See Figure 12.
8.
Remove the flue collector and venter assembly from
the boiler castings by removing the hold-down screws
located on each side of the flue collector. See Figure
15.
9.
Remove the baffles from the heat exchanger. See
Figure 13.
10.
Visually inspect baffles for any unusual wear or soot
build up. Clean if necessary.
11.
Visually inspect venter assembly for any unusual wear
or dirt build up. Vacuum if necessary.
12.
Place a sheet of heavy paper or similar material in
bottom of the combustion chamber and brush down the
flue passageways. The soot and scale will collect on the
paper and is easily removed with the paper.
13.
Replace the Flue Collector using the hold down screws
and silicone in place with GE IS 808 silicone or similar.
See Figure 15.
14.
Repeat steps 1-5 in reverse order to reassemble the
boiler.
Figure 12 - Front Panel
Figure 13 - Air Box Cover
Figure 14 - Main Gas Burner Tubes
Figure 15 - Flue Collector and Venter Assembly
16

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