The Burner Is Operating But The Radiators Are Cold; The Domestic Hot Water Does Not Appear Hot Enough; Hot Water Takes A Very Long Time To Reach Certain Draw-Off Points And Not Others - DeDietrich ECODENS DTG 1300-24 Eco / V130 User Manual

6. Troubleshooting
6.2.2

The burner is operating but the radiators are cold

Air and water noise in the radiators
- Bleed the radiators.
- Top up the heating circuit with water.
- If it is often necessary to top up the installation with water, contact
your fitter.
- If the problem persists, consult your fitter.
The burner is operating but the radiators are cold
- Check that the boiler heating pump is operating correctly.
- If the problem persists, consult your fitter.
6.2.3

The domestic hot water does not appear hot enough

Flow of water from the tap too high. The higher the flow, the
lower the temperature.
6.2.4

Hot water takes a very long time to reach certain draw-off points and not others

This is due to the length of the hot water pipes between the draw-off
points and the boiler. The greater the length, the longer the time
necessary for the hot water to replace the colder water in the pipes.
14
.
- Reduce the flow from the hot water tap.
- If several draw-off points are open at the same time, close one or
other of the points.
DTG 1300-24 Eco / V130 11/09/09 - 300010111-001-B