12
17.
Check the fittings for leaks and
tighten if required.
Closure Dimen-
sions
Torque
Hand-
hole
100 mm
x150 mm,
M16
100 Nm
18.
After approx. 50 hours, check the
boiler doors and cleaning cover for
leaks and retighten all screws (tor-
que approx. 20 Nm).
Shutting down the system
Danger
Heating water escaping under
pressure will injure bystanders.
Only open connections and
inspection ports on the heating
water and flue gas side if the
boiler has been depressurised
and cooled.
!
Please note
Draining the boiler with a suction
pump will create negative pres-
sure inside the boiler.
Only drain the boiler with a suc-
tion pump if the air vent valve is
open.
!
Please note
Hot water can cause damage.
Never drain hot water into the
drainage system.
Ensure adequate cooling.
1.
Shut down the burner.
2.
Close the shut-off valves in the oil
lines (at the oil tank and filter) or the
gas shut-off valve.
3.
Isolate the system from the power
supply.
4.
Close all valves.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
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Содержание Vitomax 200-LW M64A
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