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Commissioning, inspection, maintenance
Settings at the boiler control unit
Make the settings according to the information in chap-
ter "Additional information, coding" in the control unit
service instructions.
Checking the connections of the neutralising system and filling with
neutralising agent
Commissioning the system
Operating and service instructions for the control
unit and the burner
01. Open the boiler door and check that the internal
pipes are fully inserted into the hot gas flues. See
chapter "Inserting the internal pipes".
02. Check that the ventilation air aperture in the instal-
lation room is open.
03. Fill the heating system with water and vent the
system.
Permissible operating pressure: 4 bar (0.4 MPa)
!
Please note
Scaling may result if the system is not oper-
ated with fully softened heating water. Oper-
ate boilers only with softened water.
Observe the instructions in chapter "Water
quality requirements".
04. Enter the amount of fill water and water hardness
into the "Water quality" table in the appendix.
05. Check the system pressure.
06. Check the oil level or the gas supply pressure.
07. Open the flue gas damper (if installed).
08. Check that the cleaning aperture on the flue outlet
is closed.
09. Open the shut-off valves in the oil or gas line.
10. Switch ON the mains isolator, the switch for the
heating circuit pump and the burner ON/OFF
switch, in that order. Observe the burner manufac-
turer's operating instructions.
Checking the burner adjustment
Burner service instructions
8
11. The dew point range must be cleared as quickly
as possible. To do so, prevent any heat supply to
the consumers when heating the system from
cold. This also applies when restarting after main-
tenance and cleaning work.
!
Please note
During boiler heat-up, unpleasant fumes
and odours can result from outgassing from
the thermal insulation, the thermal block and
the paint.
Ventilate the room during commissioning.
12. After the flow temperature has been reached,
switch ON the heat consumers in sequence and
change the burner over to automatic mode.
!
Please note
When testing the flue gas for CO, internal
gases being expelled from the thermal block
can result in higher values.
Continue to operate the boiler until a decline
can be clearly recognised.
13. Check all gaskets and plugs, and retighten if nec-
essary.
14. Check the boiler door and cleaning cover after
approx. 50 hours run. Tighten the screws.
Torque for boiler door 25 Nm; for cleaning cover
5 Nm
Danger
Opening the connections on the heating water
side whilst the boiler is under pressure can
result in injuries.
First depressurise the boiler.
Only drain the boiler with a suction pump when
the air vent valve is open.
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