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De Dietrich GT 120 Manual

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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.
… 10


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  • Hello, I am struggling to download the user technical manual for boiler, can you email me the manual. I want to read about the Flow return temp Submitted on 6-9-2023 at 12:42

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  • After not being used for three years the oil-fired boiler will not fire up. There is plenty of oil and both pressure gauges read correctly. On pressing the start button it tries for about 20 seconds then the red alarm light comes on. It seems like the lower pump motor runs but not the upper one. Any assistance would be greatly appreciated. Submitted on 10-4-2022 at 17:10

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  • Hi, my boiler is on 42 degrees and can’t turn the temp down. Is it ok just to switch off. Thanks Submitted on 14-3-2022 at 20:37

    Reply Report abuse


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