BISN0047.0
26/06/2007 Page 5
Commissioning
Natural Gas Inlet Pressure Adjustment
With the gas supply turned off, remove sealing screw from inlet pressure test point located on
the right hand side of the gas section refer Fig. 4 pos.A, attach manometer. Turn on gas and
light heater. Open hot water tap fully and adjust gas pressure regulator to 0.95 - 1.05 kPa .
Turn off gas and water, remove manometer, replace sealing screw and test for escape.
Natural Gas Burner Pressure Adjustment
Turn off gas supply, loosen captive screw in burner pressure test point, left hand side of
burner manifold refer Fig.5 Pos A, attach manometer turn on hot water tap fully and check
pressure.
Adjust pressure by turning the knurled wheel clockwise to increase gas pressure, anti
clockwise to decrease. refer Fig 4 Pos.E
LP Gas Pressure Adjustment
No adjustment is provided at the appliance for inlet pressure, check cylinder regulator and
pipe sizing.
Adjust burner pressure same as for Natural Gas.
For LP Gas we recommend the installation of two or more supply
cylinders and an auto change over pressure regulator
Fig. 4
Fig 5
Maintenance
We recommend that the appliance be inspected and cleaned by an authorised person
periodically, depending upon the frequency and duration of its operation, but never less than
once a year.
