Thermann 125THM118, Руководство пользователя

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9
SYSTEM MAINTENANCE
Regular servicing will help to keep
your water heater operating safely and
efficiently.
Six Month Service (All Water Heaters):
This service may be carried out by the
owner.
1. Stand clear of the Pressure &
Temperature Relief (PTR) Valve
drain pipe outlet.
2. Open the PTR Valve for
approximately 10 seconds by
lifting the easing lever on the valve.
Confirm water discharges to waste
through the drain pipe.
3. Lower the easing lever gently and
check it closes correctly.
4. Repeat the above process for
the expansion control valve
(if installed).
Other than this, personally inspecting
or servicing any part of your water
heater is not recommended.
Annual Service (Gas Storage Water
Heaters):
This service should only be carried out
by a licensed tradesperson.
The service should include the
following:
• Inspect and flush the PTR Valve
and expansion control valve
(if installed).
• Check the spark gap, gas control
valve and thermocouple.
• Check and if necessary adjust the
main burner pressure.
• Clean and check the main burner
and the pilot light.
Five Year Service (All Water Heaters):
This service should only be carried out
by a licensed tradesperson.
In locations where the water
has Total Dissolved Solids (TDS)
exceeding 600 mg/L, this service is
recommended every 3 years.
The service should include the
following:
• Replace the PTR Valve.
• Inspect and flush the expansion
control valve (if installed).
• Replace the anode.
• Drain and flush the water heater.
Gas Storage Water Heaters:
In addition to the items above, the
service should include the items listed
in the Annual Service.