Dux 170ZB4P Manual del usuario - Página 15

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Dux 170ZB4P Manual del usuario
Regular servicing will help to extend
the life of the water heater, and keep it
operating safely and efficiently.
Your water heater warranty is not
conditional on completing the regular
servicing recommended in this manual.
The conditions applying to your water
heater warranty are set out on page 15
of this manual.
Six Month Service:
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 the water heater is
not recommended.
H3109
3109
Rev. L
Owner's Manual – Prodigy 4 & 5

System Maintenance

Annual Service:
This service should only be carried
out by a licensed tradesperson. We
recommend your local Dux Service
Agent.
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:
This service should only be carried
out by a licensed tradesperson. We
recommend your local Dux Service
Agent.
In locations where the water has Total
Dissolved Solids (TDS) exceeding
600 mg/L, this service is recommended
every 3 years.
In addition to the items listed in the
Annual Service, this service should
include the following:
•
Replace the PTR Valve.
•
Replace the anodes.
•
Drain and flush the water heater.
•
Replace any damaged components.
Replacement parts are available from
your local Dux supplier.
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