User Manual

Table Of Contents
COMMISSIONING
80
Warning: The removal of the front panel will expose 240 volt wiring. Take care not to touch wiring terminals.
The adjustment must be carried out by a qualified person.
Warning: This procedure will involve the adjustment of dip switches. Adjustment of a dip switch should
only be made with an insulated tool.
To check or adjust the preset outlet temperature setting:
1. Switch off the electrical supply at the power outlet to the water heater.
2. Remove the top and bottom cover strips to gain access to the front panel screws by pressing on the two
ridged finger points and gently pulling forward.
3. Remove the screws holding the front panel to the jacket.
4. Gently disengage the front panel and pull forward to remove from the water heater.
5. Close the cold water isolation valve at the inlet to the water heater.
6. Switch on the electrical supply at the power outlet to the water heater.
Note: Wait five (5) seconds for the electronic system to initialise.
7. Switch DIP switches 3 and 4 to the on (up) position on the PCB.
The current preset outlet temperature setting will show on the LED
display.
If the temperature displayed on the LED display is the desired preset
outlet temperature setting, then proceed to step 9, as no further
adjustment is necessary.
8. Press the MAX button to increase or the MIN button to decrease the
preset outlet temperature setting.
Each press of the MAX or MIN button will increase or decrease the
preset temperature by one increment.
The MAX and MIN buttons are located below the DIP switches and
adjuster button.
874 series
The increments are 38°C, 40°C, 42°C, 43°C, 45°C*, 48°C, 50°C,
55°C, 60°C**, 65°C, 70°C, 75°C.
* 45°C NZ models only ** 60 °C AU models only
876 series
The increments are 38°C, 40°C, 42°C, 43°C, 45°C, 48°C, 50°C.
9. Switch DIP switches 3 and 4 to the off (down) position.
The LED display will go blank.
Note: Wait five (5) seconds for the setting to be saved. The preset
outlet temperature setting is now set.
10. Switch off the electrical supply at the power outlet to the water heater.
11. Refit the front panel and screws to the water heater.
12. Refit the cover strips to the top and bottom of the front panel by inserting the two posts into the two
recesses and gently pushing into position.
13. Open the cold water isolation valve fully at the inlet to the water heater.
14. Switch on the electrical supply at the power outlet to the water heater.