SERVICE INFORMATION
SIX MONTHLY SERVICE
(BY OWNER)
Operate the pressure & temperature relief valve for approximately 10 seconds by raising
the easing lever on the top of the valve to ensure water is relieved to waste through the
relief drain pipe. Check to ensure the valve closes correctly.
ANNUAL SERVICE
(BY AUTHORISED PERSONNEL ONLY):
Clean and service the gas burner and pilot.
FIVE YEAR SERVICE
(BY AUTHORISED PERSONNEL ONLY)
The five yearly service should be carried out by a licensed Tradesperson. It is
recommended that this service be carried out by the local Dux agent. The service should
include the following:
Replace the pressure & temperature relief valve.
Replace the anode.
Clean and service the gas burner and pilot.
Flush the cylinder.
COMMISSIONING ADJUSTMENTS
(a) Main Gas Pressure Regulator Adjustment
The main burner pressure must be set at installation and should not need readjustment. If
adjustment is necessary, proceed as follows: (The pressure is best checked by connecting
a water manometer or equivalent to the test point nipple on the gas control. The test point
pressure must comply with the value on the Data Plate.)
UNITROL Gas Control:
(i)
Remove regulator adjustment cap from top of gas control.
(ii) Remove sealant from adjustment slot if necessary.
(iii) Light the burner. Rotate adjustment screw clockwise to increase, or anti-clockwise
to decrease pressure.
(iv) Replace regulator adjustment cap.
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