8
10. Switch ON the main isolator, the
switch for the heating circuit pump
and the burner ON/OFF switch in
the order listed here (observe the
burner manufacturer's
instructions).
11. When heating the system from cold
(also when restarting after
maintenance and cleaning work),
prevent all heat transfer to
consumers, to clear the dew point
range as quickly as possible.
12. After the flow temperature has been
reached, switch ON the heat
consumers in sequence and
change the burner over to automatic
mode.
13. Check all gaskets/seals and plugs,
and retighten if necessary.
14. Check the boiler door and clean-out
cover after approx. 50 hours and
retighten all screws.
!
Please note
During boiler heat-up, unpleasant
fumes and odours can result from
gases being expelled from the
thermal insulation, the heating
block and the paint.
Vent the room during
commissioning.
!
Please note
When testing the flue gas for CO,
internal gases being expelled
from the heating block can cause
higher values.
Continue to operate the boiler
until a decline can be clearly
recognised.
Shutting down the system
1. Switch OFF the main isolator or the
power supply, and safeguard against
unauthorised reconnection.
2. Interrupt the burner power supply.
For this, pull the power supply plug-in
connectors
fA
and
lÖ
(if installed)
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.
!
Please note
Draining the boiler with a suction
pump will create negative
pressure inside the boiler.
Drain the boiler with a suction
pump only when the air vent
valve has been cracked open.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 798
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