COMMISSIONING
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17. Close the gas isolation valve fully at the gas inlet to the water heater.
18. Remove the manometer and refit and tighten the test point screw and washer.
19. Turn on the gas isolation valve fully, open a hot water tap and check the burners ignite.
20. Check for gas leaks.
21. Turn off the hot water tap.
22. Refit the front panel to the water heater.
Notes:
Dip switch 3 must be set to the “OFF” (down) position after dip switches 1 and 2 are set to the “OFF” (down)
position, otherwise the settings will not be saved.
During the checking and adjusting of the burner gas pressures, the temperature control function is
deactivated.
For normal operation of the water heater, dip switches 1, 2 and 3 must be in the “OFF” (down) position.
PRESET OUTLET TEMPERATURE SETTING
The factory preset outlet temperature setting of the water heater is:
834 series 012, 016 models 60°C
It is usually not necessary to adjust the factory preset outlet temperature setting of the water heater, unless
the customer has a particular requirement for this to be done.
Consideration must be given to the delivery temperature to any ablution and public areas such as a bathroom,
ensuite or public amenities. Refer to “Hot Water Delivery” on page 17.
To Check Or Adjust The Preset Outlet Temperature Setting
The preset outlet temperature settings are:
834 series 45°C, 50°C, 60°C
To check or adjust the preset outlet temperature setting:
1. Remove the screws holding the front panel to the
jacket.
2. Gently disengage the front panel and pull downward
to remove from the water heater.
3. Dip switches 7 and 8 on the Temperature Controller
determine the preset outlet temperature setting of
the water heater.
Adjust the dip switches to obtain the desired setting:
60°C – set dip switch 7 to the “ON” (up) position
and dip switch 8 to either the “ON” (up) or
“OFF” (down) position.
50°C– set dip switch 7 to the “OFF” (down)
position and dip switch 8 to the “ON” (up)
position.
45°C– set dip switch 7 to the “OFF” (down)
position and dip switch 8 to the “OFF” (down)
position.
4. Refit the front panel to the water heater.