Model: PRT-B Table of Contents Product Image Holiday Programming Table of Contents Frost Protection What is a Programmable Power ON / OFF Room Thermostat? 23-26 Optional Features Installation Procedure Re-calibrating the Thermostat Installing the Batteries Factory Reset Replacing the Batteries...
29-30 of this booklet. Step 3 Screw the thermostat back plate securely on the wall and fit the terminal cover. Step 4 Clip the front of the thermostat back onto the thermostat back plate. Battery Series Model: PRT-B...
To access the battery holder, push and release the compartment door located on the bottom face of the thermostat. Insert the batteries in the empty battery holder, ensuring that each battery is orientated for the correct polarity + / - . Battery Series Model: PRT-B...
Note: You must replace the batteries within 1 minute of removal in order to retain the current clock and comfort level settings. Push the battery holder back inside the thermostat until it is secured in its closed position. Battery Icon (Flashes) Battery Series Model: PRT-B...
Battery Level - Indicates when the batteries require replacement. Keypad Lock Indicator - Displayed when the keypad is locked. Units of Temperature - Degrees Celsius or Fahrenheit. Clock - Digital clock display in 24h format. 11 12 Battery Series Model: PRT-B...
Use the Up/Down keys to set the day of the week ......... • Press A to confirm settings and return to main display .......... Hours This is the current room temperature. This is the temperature you are trying to achieve in your home. Minutes Battery Series Model: PRT-B...
• To change the programming mode please refer to pages 25-26. For Weekday/Weekend programming, For 7 Day programming, Mon Tue Wed Thu Fri only Mon is displayed are displayed on screen. in the day indicator field. Battery Series Model: PRT-B...
Press A to confirm settings and return to main display ..........Note: The keypad lock indicator is only displayed when the lock is active. Note: This override will be maintained until the next programmed comfort level. Set Temperature Set Icon Keypad Lock Indicator Battery Series Model: PRT-B...
Hold Time Remaining Holiday Days Holiday ON Indicator To cancel, follow the same steps but reduce the Holiday duration to 00 days. To cancel temperature hold, follow the same steps but reduce the Hold time to 00:00 hours. Battery Series Model: PRT-B...
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To cancel the frost protect mode, press the button once. To turn the thermostat back ON, press the Power button once ......Thermostat completely OFF Thermostat powered ON Frost Protection Mode Enabled *See Feature 3 on page 23 Battery Series Model: PRT-B...
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Feature 06 – Temperature Up/Down Limit: This function allows you to limit the use of the up and down keys. This limit is also applicable when the thermostat is locked and so allows you to give others limited control over the heating system. Battery Series Model: PRT-B...
Use the Clock key to cycle through the features ..........• Use the Up/Down keys to change the setting ........... • Press A to confirm settings ..................• Press the Power button once to turn the thermostat back ON ....Battery Series Model: PRT-B...
Press the Power button once to turn the thermostat back ON ......successfully reset. • Press the Power button once to turn the thermostat back ON ......All icons displayed simultaneously. Factory reset is complete. Calibration Temperature Setting Set Icon Battery Series Model: PRT-B...
Wiring Diagram - Wiring Diagram - PRT-B Voltfree & Combi Boiler Systems PRT-B Switched Live & Valve Systems PRT-B PRT-B NO C NC NO C NC Please check boiler wiring diagram for nal connections Permanent Live from boiler or Fused Spur...
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Heating Professionals: Request a copy of our product installation guide containing detailed technical specifications for our complete product range: www.heatmiser.com/guide Want More Information? Call our support team on: +44 (0)1254 669090 Or view technical specifications directly on our website: www.heatmiser.com Twitter: heatmiseruk Facebook: facebook.com/thermostats...
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