Dux 170ZB4P Manuale d'uso - Pagina 9

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1. Lighting the Water Heater

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.

H3109

3109

Rev. L

Owner's Manual – Prodigy 4 & 5

Gas Connection and Filling

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.