16
Fig. 5
Note
Check the gaskets and hose connection for tightness.
Checking the mixer for ease of operation and tightness
1. Remove the motorised lever from the mixer han-
dle.
2. Check the mixer for ease of operation.
3. Check the mixer for tightness. Replace the O-rings
if the mixer is leaking.
4. Snap the motorised lever into place.
Checking the function of the return temperature raising facility (if
installed)
Checking the installation room ventilation
Checking the flue pipe for tightness
Adjusting the burner
Adjust the maximum oil or gas throughput of the
burner to the rated boiler heating output.
Rated heating
output
Pressure drop on the hot gas
side
kW Pa mbar
700 270 2.7
900 460 4.6
1100 400 4.0
1300 570 5.7
Rated heating
output
Pressure drop on the hot gas
side
kW Pa mbar
1600 650 6.5
1950 850 8.5
To protect the system against dew point corrosion,
burner stage 2 (full heating output) must be set to the
rated boiler heating output. It must remain switched on,
even during the summer months (burner stage 2 on
constant standby).
Commissioning, inspection, maintenance
Cleaning the sight glass in the boiler door
5692849
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