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BURNER GAS PRESSURE
It is necessary to check the burner gas pressure at both the minimum and maximum operational settings. To
check and if necessary adjust the operational gas pressures, the electrical supply to the water heater must
be switched on, the burners ignited and hot water must be flowing from a hot tap.
Warning: The removal of the front panel will expose 240 volt wiring. Take care not to touch wiring
terminals.
A controller is required to be connected to the water heater as part of the procedure to check and if
necessary adjust the minimum and maximum test point gas pressures. The minimum and maximum test
point gas pressure readings will be displayed on the controller. The controller can be either a standard or
Deluxe controller of either a Kitchen or Bathroom1 type and connects to the water heater using either a
Kitchen controller cable or a Bathroom controller cable (refer to
Minimum test point gas pressure
Refer to the rating label on the water heater for the minimum
test point gas pressure.
Close any hot taps and ensure the burners are not
1.
operating.
Turn off the controller(s), if one is fitted, by pressing the
2.
on / off button and switch off the electrical supply at the
power outlet to the water heater.
3.
Remove the screws holding the front panel to the jacket.
Gently disengage the front panel and pull forward to
4.
remove from the water heater.
Locate the burner pressure test point on the main burner
5.
manifold
Remove the test point screw and washer from the test
point orifice.
Connect the manometer.
Connect a controller to the water heater (refer to
6.
"Connecting the Controller(s) to the Water Heater"
page 68).
Note: If one or more controllers have been installed in the
premises and connected to the water heater as part of the
installation, disconnect their cables from the remote
terminal screws on the water heater for this procedure.
7.
Switch on the electrical supply at the power outlet to the
water heater.
8.
Turn on the controller by pressing the on / off button.
The priority light (standard controller) or ACTIVE light
(Deluxe controller) and the light in the on / off button will
both glow.
9.
Open the gas isolation valve fully at the gas inlet to the
water heater, if not already open.
Open a hot tap slowly until the burners ignite.
10.
"Controllers"
on page 62).
on
8 8 8 8
BATH (l)
i n us e
c h e c k
h o t w a t e r
t e m p e r a t u r e
b e f o r e u s e
71
COMMISSIONING
ACTIVE
°C
5 0
BATH FILL
ON/OFF
pri ori ty
Rheem
50
C
x10
l
water
on
vol ume
off
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