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ManualsBrandsRheem ManualsDomestic Appliances265 litre
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TEMPERATURE CONTROL
42
THERMOSTAT ADJUSTMENT
The water heater is supplied with the thermostat preset at 70°C. It will be necessary to adjust the thermostat
temperature setting if another temperature is required.
When adjusting the thermostat temperature it is necessary to alter the thermostat offset. The table outlines
the thermostat temperature and the corresponding offset. Failure to adjust the offset will result in
incorrect water temperature.
Temperature Setting
Offset
60
14
65
15
70
16
75
17
80
18
82 *
18
* Recirculation required for 82°C setting
To adjust the thermostat temperature setting and offset:
1. Press the “set” button to enter the status menu.
The status menu has three items which can be displayed. The items are:
(i) SEt (temperature set point)
(ii) CA1 (calibration offset)
(iii) Pb1 (probe 1)
2. Press the up button (▲) or the down button (▼) until SEt (temperature set point) is displayed.
3. Press the “set” button. The current temperature set point value will be displayed.
4. Press the down button (▼) to decrease or the up button (▲) to increase until the required temperature
set point is displayed.
5. Press the “set” button to accept or “fnc” button to exit. The display returns to the status menu.
6. Press the up button (▲) once to display CA1 (calibration offset).
7. Press the “set” button. The current offset value will be displayed.
8. Press the down button (▼) to decrease or the up button (▲) to increase until the required offset value
(from the above table) that corresponds to the temperature set point selected in step 5 is displayed.
e.g. if the temperature set point selected in step 5 is 65°C, then the offset value must be 15.
9. Press the “set” button to accept or “fnc” button to exit. The display returns to the status menu.
10. Press the “fnc” button to exit the status menu. The current water temperature will be displayed.
Note: During the programming process if a button is not pressed for 15 seconds the thermostat will revert to
its previous temperature display. It will be necessary to start again from step 1.