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- Check the air vent
If the air vent valve seems to work freely without
leaking, close cap A fully.
Loosen cap “A” one turn to allow vent to operate.
If vent does not operate correctly, replace the vent.
Maintenance procedures [Every 6 Months]
- Check the boiler piping (gas and water)
Visually inspect for leaks around internal water
piping. Also inspect external water piping,
circulators, relief valve and ttings. Immediately call
a qualied service technician to repair any leaks.
Leaks must be repaired by a qualied service
technician immediately.
Failure to comply with this instruction could result in
severe personal injury, death or substantial property
damage.
- Check the pressure relief valve
WARNING
Leaks must be xed by a qualied service technician
immediately. Failure to comply with this instruction
could result in severe personal injury, death or sub-
stantial property damage. This discharge line must
be installed by a qualied heating
installer or a service technician.
Before proceeding, verify that relief valve outlet
has been piped to a safe place of discharge within
6 to 12” from a suitable oor drain, avoiding any
possibility of scalding from hot water. If water ows
freely, release the lever and allow the valve to seat.
Watch the end of the relief valve discharge pipe
to ensure that the valve does not weep after the
line has had time to drain. If the valve weeps, lift
the seat again to attempt to clean the valve seat.
If the valve continues to weep, contact your qualied
service technician for inspecting the valve and system.
If water does not ow from the valve even though
you have lifted the lever completely, the valve or
discharge line may be blocked. Shut down the boiler
immediately. Call your qualied service technician to
inspect the combination boiler and system.
- Check the burner state
You can clean the exterior of burner with a vacuum
hose or dry cloth.. However, if you need to clean the
inside of the burner stage, you should call a qualied
service technician.
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