Heatmiser PRT - Thermostat Recalibration Procedure; Performing a Factory Reset

All icons displayed simultaneously.
Factory reset is complete.
2423
Slimline Series Model: PRT / PRT-N
Re-calibrating the Thermostat
If you need to re-calibrate the thermostat, follow these steps.
• Press and hold the Power button to turn the thermostat OFF ............................
• Press and hold BOTH the Power and Down keys together until the
temperature appears on the screen ........................................................................
• Use the Up/Down keys to congure the new temperature ...........................
• Press A to conrm settings ...............................................................................................
• Press the Power button once to turn the thermostat back ON ..........................
Factory Reset
To perform a factory reset, follow these steps.
• Press and hold the Power button to turn the thermostat OFF ..........................
• Press and hold the Power and Up keys together until the LCD powers up.
All of the icons will be displayed on screen .........................................................
• When the icons have disappeared from the screen, the thermostat has
been successfully reset.
• Press the Power button once to turn the thermostat back ON .........................
The thermostat has a reset function to restore all settings to their factory defaults.
Calibration Temperature Setting
Set Icon