10
Operating and service instructions for the control
unit and the burner
01. Close the gas shut-off valve and open the boiler
door.
02.
Check the seating of turbulators
C
in hot gas
flues
B
. Turbulator spring clips
D
must lock into
place behind first constriction
E
.
Fig. 1
A
Turbulator extractor
03. Check that the ventilation air aperture in the instal-
lation room is open.
04. Fill the heating system with water and vent the
system.
Permissible operating pressure: 6 bar (0.6 MPa)
05. Enter the amount of fill water and water hardness
into the table in chapter "Checking the water qual-
ity".
!
Please note
Unsuitable water quality can damage the
boiler body.
Operate boilers only with softened water.
Observe the "Water quality requirements" in
the appendix on page 19.
06. Check system pressure.
07. Check the oil level or the gas supply pressure.
08. Open the flue gas damper (if installed).
09. Check that the cleaning aperture on the flue outlet
is closed.
10. Open the shut-off valves in the oil or gas line.
11. 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.
12. The dew point range must be cleared as quickly
as possible. For this reason prevent all heat sup-
ply to 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.
13. After the flow temperature has been reached,
switch ON the heat consumers in sequence and
change the burner over to automatic mode.
Note
Internal gas emissions from the thermal block can
lead to increased CO values in the flue gas. Con-
tinue to operate the boiler until a decline can be
clearly recognised.
14. Check all gaskets and plugs, and retighten if nec-
essary.
15. Check the boiler door and cleaning cover after
approx. 50 hours run. Tighten the screws.
Shutting down the system
1. Switch OFF the mains isolator or the power supply,
and safeguard against unauthorised reconnection.
2. Interrupt the burner power supply. If installed, pull
plug-in connectors
fA
and
lÖ
from the burner.
3. Close the gas shut-off valve.
Danger
Heating water escaping under pressure will
injure bystanders.
Only open the connections on the heating water
side after the boiler has been depressurised.
Commissioning, inspection, maintenance
Commissioning the system
5692849
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