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6 Commissioning
•
Slide the switch until the "I" symbol
appears.
The operating indicator on the control
panel turns on: the boiler is ready to
operate.
•
Open the isolating valves located on
the pipes: they will be placed in the
direction of the flow.
•
Open the auto air vent on the pump as
well as the automatic bleeders of the
system.
•
Open the blue filling loop valve situated
under the boiler until you obtain a 2
bars pressure on the indicator.
•
Bleed each radiator to remove the air,
re-tighten bleed screws.
•
Leave the cap on the pump auto air
vent open.
•
Flush the domestic hot water system by
openning the hot water taps for several
minutes.
•
Make sure the display indicates a
system pressure of between 1 and 2
bars. Re-fill system as necessary.
7 Specific adjustments
7.1
Heating circuit adjustment
This flow rate will be adjusted according to
the system calculations.
When it is delivered, the (1) integrated
bypass screw is open by half a turn.
Legend
1
Bypass screw
•
Depending on the requirements, adjust
this screw (for example, screw for
closing) in order to fit the available
pressure head to the system energy
loss according to the output/pressure
curve.
1
2
3
4
Legend
1
Speed III
2
Speed II
3
Speed I
4
Speed selector of pump
•
Turn the selector (4) to choose pump
speed I, II or III in relation to the output/
pressure curve.
30
1
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