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COMMISSIONING
Disconnecting a Temperature Controller(s)
To disconnect the temperature controller(s):
Switch off the electrical supply at the power outlet to the
1.
water heater.
2.
Unscrew and gently remove the electrical cover from the
underside of the water heater.
3.
Loosen the terminal screws to release the cables.
4.
Withdraw the cables from the terminals and cable holder
notches, ensuring they are well clear of the terminals.
Note: Prior to the commencement of this procedure, the preset
outlet temperature setting of the water heater must be set to:
AU – 50°C for an Australian model 866 series water
heater, or
NZ – 55°C for a New Zealand model 864 series water
heater.
This procedure cannot be performed if the preset outlet
temperature is set below 50°C (AU – 876 series model) or
above or below 55°C (NZ – 874 series model). Refer to
Check or Adjust the Preset Outlet Temperature Setting"
page 93.
Outlet Temperature Adjustment
To adjust the outlet temperature:
Switch on the electrical supply at the power outlet to the water heater.
1.
2.
Locate the first hot tap in the hot water pipe work after the water heater used for personal hygiene
purposes.
3.
Turn on the hot tap.
Using a thermometer, measure the temperature of the water from the tap, until the temperature stops
4.
increasing.
If the water temperature is:
AU – below 50°C for an 866 series model, the maximum outlet temperature of the water heater can
be adjusted upwards, or
NZ – above 55 °C for an 864 series model, the maximum outlet temperature of the water heater can
be adjusted downwards.
5.
Turn off the hot tap.
6.
Switch off the electrical supply at the power outlet to the water heater.
7.
Remove the screws holding the front panel to the jacket.
8.
Gently disengage the front panel and pull forward to remove from the water heater.
Switch on the electrical supply at the power outlet to the water heater.
9.
Note: Wait ten (10) seconds for the electronic system to initialise.
"To
on
96
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