COMET 145 – INSTALLATION/OPERATION MANUAL
5IM-OB-COM0-00
Mar/11
8
UPPER FRONT
Carefully insert Upper Front around Coil and secure with screws.
LOWER FRONT
Place split Lower Front Panel around view port, burner pipe and return
and screw as shown.
BREECH
Secure Breech Cover with screws using #8 Tek screws provided (2 per
side).
6.0 CLEANING
INSTRUCTIONS
See Figure – 5
POWER OFF
Turn off main power switch.
FUEL OFF
Shut off manual fuel supply valve.
REMOVE CABINET
Remove smoke/vent pipe from the boiler breeching collar.
COVER
REMOVE FRONT
Remove breeching nuts, carefully loosen boiler breeching and lift off.
BREECH
REMOVE GAS
Remove the flue gas baffles from the boiler tubes and clean them
BAFFLES
using a wire brush.
REMOVE BURNER
Make sure power and fuel are off.
CLEAN TUBES
Clean the tubes carefully with a 2” fiber bristle brush. DO NOT
DAMAGE TARGET WALL.
VACUUM
Vacuum out lower burner chamber.
REPLACE BURNER
Check insertion is as specified. See Figure – 1.
REPLACE BAFFLES
Replace flue gas baffles in tubes.
REPLACE BREECH
Replace the boiler breeching and reseal against gaskets. New
gaskets can be obtained from your dealer. Attach with high
temperature silicone sealant. Secure with brass nuts and washers.
PANEL & PIPE
Reinstall cabinet
panel and reinstall smoke/vent pipe. Secure with
sheet metal screws.
CHECK
Check installation before restoring power and fuel.
CHECK BURNER
Smoke and CO
2
test. Replace nozzle if required. Set burner for
efficient operation.
REAR COVER
Do not remove rear cover for cleaning, as it is silicone sealed. If the
cover is replaced reseal with silicone.
WIRE BRUSH
Use a wire brush to clean the inside of the vent connector pipe.
