INOV8 Model F240 – Edited September 2008
28
Procedure for cleaning the heat exchanger tubes:
1. Turn the power “OFF” and turn the wall thermostat
“DOWN”. Wait for the furnace to cool to room
temperature.
2. Loosen and remove the sheet metal screws from the side
of the lift off panel (above the burner).
3. Remove the panel and set aside. This exposes the inside door to the heat
exchanger.
4. Loosen and remove the nuts, the iron-angle braces and the inside door.
5. Vacuum the tubes (brush the inside of the tubes, if necessary).
6. Return inside door and outside panels.
Procedure for cleaning the combustion chamber:
1. Turn the wall thermostat "DOWN". Wait for the furnace to cool to room
temperature.
2. Access the combustion chamber by removing the four nuts that hold the burner
mounting plate to the furnace cabinet.
3. Swing the burner away from the cabinet.
4. Vacuum the combustion chamber.
5. Inspect the target at the far end of the burning chamber to make sure it’s in place
and not broken.
6. Check to make sure no ash has accumulated in the ultra-violet sensor (located
under the transformer).
7. Remount the burner to the furnace cabinet.
ANNUAL MAINTENANCE
Under average conditions, it is recommended that the following routine be performed at
least once a year along with a spot inspection prior to the heating season. In excessively
dirty environments, service should be performed more often. At the end of the heating
season do these things:
1. Run the burner on fuel oil or diesel fuel before finally shutting it off. That will help
keep the inside of the burner clean.
2. Keep the fuel valve nearest to the supply tank shut off when the burner is shut off
for extended periods.
3. Vacuum the combustion chamber and heat exchanger tubes.
4. Remove water from the bottom of the oil tank.
5. Check the chimney.
6. Inspect and clean Blocked Vent Switch (only on Canadian units but optional on
US units) – see instructions that accompanied the switch.
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