Operation Manual

10
GT 120 - GTU C 120 - GT 220 21/09/06 - 300003691-001-F
Commissionning

Initial commissioning must be done by a qualified
professional.
1. Check the water pressure in the installation. Top up with more
water if necessary.
2. If using an oil-fired boiler, check the oil level in the tank.
3. Open the fuel oil inlet or the gas valve.
4. Control panel B / B2:
- Set the Summer/Winter swtich to
.
Control panel E / E1 / D:
-Set switch AUTO/
!
to the AUTO position.
5. Set the On/Off switch to
8
.
Stopping the boiler
Set the On/Off switch to
7
.

On the Off position
7
, the domestic hot water calorifier
fitted with a titanium anode is not protected against
corrosion.
Precautions to take if there is a danger of frost
Heating circuit:
Use a correctly dosed antifreeze to prevent the heating water
freezing. If this cannot be done, drain the system completely. In all
cases, consult the fitter.
Domestic hot water circuit:
Drain the domestic water tank and pipes.
Precautions to take in the event of prolonged shutdown (one year or more)
- The boiler and the chimney must be swept carefully.
- Close the door of the boiler to prevent the internal circulation of air.
- Remove the pipe connecting the boiler to the chimney and plug the
nozzle.
Troubleshooting
Checks to make before calling your fitter:
The burner will not start.
Z
Refer to the user instructions for the burner.
The burner is operating but the radiators are cold.
- Bleed the radiators.
- Top up the primary circuit with water.
- Check that the heating pump is operating correctly.
- If it is often necessary to top up the installation with water, contact
your fitter.
Before informing the fitter of a fault, make a note of the following
information:
- Product type
- Serial number
- Type of combustible
This information can be found on the rating plate stuck to the
side panel of the boiler.