17
2.3
Removing and replacing
the control panel front
cover
Taking off the column
(see figure 7).
1. Remove the screw at the top center
of the column;
2. Shift the column upwards until the
hooks at the lower end set free;
3. Pull the lower end of the column
slightly forward;
4. Pull the column down until the top
end is given free.
Mounting the column
(see figure 7).
1. Move the top of the column
underneath the rim of the control
panel and shift it up as far as
possible;
2. Put the hooks inside the burner
access opening and over the rim of
the bse jacket;
3. Shift down the column;
4. Fix the screw at the top center of
the column.
2.4
Setting the gas pressure
The gas pressure has been set to the
correct values at the factory.
Important: The following proce-
dure must be followed when
checking or setting the gas
pressure:
1. Shut down the heater by switching
off the mains current (switch off
main switch);
2. Connect a manometer to the
pressure test nipple to measure the
burner pressure on the gas control.
3. Activate the heater and allow the
burner to ignite;
4. Check the burner pressure. If
necessary, reset it by means of the
burner pressure adjusting screw.
Turning it anti-clockwise reduces
burner pressure. Turning it
clockwise increases burner
pressure;
5. Shut down the heater, remove the
manometer and close the pressure
nipple;
6. Restart the heater (test for
soundness).
Figure 7 - Taking off and mounting the column
IMD 0391
