THERMOBILE AT 400 Serie Manuel De L'utilisateur page 23

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Hot
Do not touch the flue stack or
combustion chamber!
Do not perform maintenance until the
flue and combustion chamber have
cooled down.
5.2 General
Warning
Switch off power during maintenance.
When the heater is stored long-term:
1. Switch off the heater.
2. Disconnect the power plug.
3. Clean the heater.
4. Use an oily cloth to clean the combustion
chamber, to protect the combustion
chamber against corrosion.
Warning
Do not operate the heater in hot
weather to burn oil.
5.3 Cleaning the combustion chamber
(fig. 4)
1. Open the cover of the heater, see fig. 4
(A).
2. Remove the burner ring (D) with the hook
of the shovel (J).
3. Clean the burner ring with a steel brush.
4. Remove the burner dish (F) with the hook
of the shovel.
5. Clean the burner dish with a scraper.
6. Clean the inner side of the combustion
chamber (B) and the vaporiser (G) with
the front of the shovel.
Ensure that the holes in the
combustion chamber wall remain
open for combustion air supply.
7. Remove any soot pieces from the floor of
the combustion chamber.
8. Clean the inside of the pipe in the
vaporiser with a small brush (diameter 4
mm).
AT 400 - 500 series
9. Clean the fuel supply line (N) with a
brush (inner diameter 8.5 mm (0.33"),
see fig. 3.
10. Install all parts in reversed order.
5.4
1. Disconnect the power connection from
the heater.
2. Open the cover, see fig. 3 (A).
3. Unscrew the thermostat clamp (A).
4. Take the wiring off both thermostats (B).
5. Remove safety strip (C).
6. Remove safety strip (D).
7. Remove cover (E) from the heat
exchanger.
8. Clean the inner side of the heat
exchanger with a brush and vacuum
cleaner.
9. Re-install the cover of the heat
exchanger.
Install all parts in reversed order.
5.5
1. Disconnect the power connection from
the heater.
2. Remove the T-piece (A) from the flue,
see fig. 3 (F).
3. Remove the grate, see fig. 3 (A).
4. Unscrew the thermostat clamp (A).
5. Take the wiring off both thermostats (B).
6. Remove safety strip (C).
7. Remove safety strip (D).
8. Remove the fuel supply pipe, see fig. 3
(S).
9. Unscrew the overflow cup support and
put the overflow protection on the floor of
the heater.
40.020.942 - rev. 04 - 2011
Cleaning the heat exchanger (fig.
9)
Always attach a new gasket (F)
between the cover and the heat
exchanger.
Apply the wiring of the thermostats
according to the electrical circuit
diagram. The thermostats are equal.
Taking the heat exchanger apart
(fig. 9)
English
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