Rheem 871 Series Owner's Manual And Installation Instructions page 72

COMMISSIONING
TO CHECK OR ADJUST THE PRESET OUTLET TEMPERATURE SETTING
The temperature settings will be displayed on the LED display. The preset outlet temperature settings are:
• 871 series
• 875 series
It is necessary to have the electrical supply to the water heater switched on during stages of checking or
adjusting the preset outlet temperature setting procedure.
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.
Remove the screws holding the front panel to the jacket.
2.
Gently disengage the front panel and pull forward to remove from the water heater.
3.
Switch on the electrical supply at the power outlet to the water heater.
4.
Switch DIP SWITCHES 3 and 4 to the on (up) position
5.
on the I.C. Board.
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 7, as no further adjustment is necessary.
Press the MAX button to increase or the MIN button to
6.
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 underneath the
DIP switches.
871 series
The increments are 40, 43, 50, 55, 60, 70 – AU, 75 – NZ.
875 series
The increments are 40, 43, 48.
Switch DIP SWITCHES 3 and 4 to the off (down)
7.
position.
The LED display will go blank. The preset outlet
temperature setting is now set.
Switch off the electrical supply at the power outlet to the
8.
water heater.
Refit the front panel and screws to the water heater.
9.
40°C, 43°C, 50°C, 55°C, 60°C, 70°C*, 75°C**
* AU – 70°C is the maximum preset outlet temperature.
** NZ – 75°C is the maximum preset outlet temperature. No 70°C setting.
40°C, 43°C, 48°C
72
60
dip
switches
min max
button button
L.E.D.
display