Dux 135ZB4N Manual del usuario - Página 9
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Owner's Manual – Prodigy 4
Gas Connection and Filling
Gas Connection:
Ensure that the gas type to be
connected matches the gas type
marked on the compliance plate of the
water heater.
The gas pipe should be sized in
accordance with AS/NZS 5601.1.
An isolation valve must be installed in
the gas pipe before it enters the water
heater.
The gas pipe must be connected via the
gas entry hole on the left hand side of
the water heater. See Specifications on
page 4 for the location of the entry hole.
Ensure that the black plastic grommet,
supplied loose with the water heater,
is slid over the gas pipe before the
connections are completed. The
grommet must then be clipped into the
case.
A union should be used to connect the
gas pipe to the RP½" (DN15) socket on
the gas control valve. Ensure that the
union is not over-tightened in the gas
control valve.
The water heater must be filled with
water before lighting the gas.
H3071
3071
Rev. K
Filling the Water Heater:
1. Open all hot water taps.
2. Open the isolating valve at the cold
water inlet slowly and allow the
water heater to fill until water flows
through the system.
3. Close each hot water tap after the
air is expelled from its line.
4. Open the Pressure & Temperature
Relief Valve for approximately
10 seconds by lifting the easing
lever on the valve. Confirm that
water drains to waste through the
relief valve drain pipe.
5. Lower the lever gently and check
that it closes correctly.
7