What is a Programmable Room Thermostat? A programmable room thermostat is both a programmer and a room thermostat. The programmer allows you to set “On” and “O” periods to suit your own lifestyle. The room thermostat works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it o...
Installation Procedure Mount the thermostat at eye level. Read the instructions fully so you get the best from our product. Don’t Do not push hard on the LCD screen as this may cause irreparable damage. Do not install near to a direct heat source as this will aect functionality. If using the desk stand, ensure the thermostat is away from heat sources.
At the top of the LCD, you will see 01. • Use the Up key to select 05 and enter the pairing function ........Note: The PRT/HW-WTS assigns heating output to Zone 1 & hot water to Zone 2 on the RC1-WTS receiver. •...
Setting the Clock Temperature Display To set the clock, follow these steps. • Press PROG ........................ Press CLOCK ......................• • Use the Down key to set the hours ..............• Use the Up key to set the minutes ..............Use the Day key to set the day of the week ..........
• Press PROG ..........Comfort Levels Explained Comfort levels allow you to set dierent temperatures throughout the day. For example, you may want the home warm in the morning when you are getting ready for work, cooler during the day when the house is unoccupied and then warmer in the evening when you are home relaxing.
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Tue. See pages 25-26 for details on how to switch be In 5/2 Day mode the thermostat will display “Sat Sun” prompting you to program the hot water levels for the weekend. • Press PROG .... 15 Wireless SeriesModel: PRT/HW-WTS...
Clean Screen Temperature Contro Pressing will disable all keys, providing you 15 seconds to wipe the screen clean before the keys are re-activated. Locking the Keypad The thermostat has a keypad lock facility. To activate the lock press the bottom right corner of the display and hold for 10 secs. •...
Holiday Temperature Hold The temperature hold function allows you to manually override the current operating program and set a dierent temperature for a desired period. • Press HOLD ......................... Use the top set of Up/Down keys set the hold period ........•...
Frost Mode Heating On/O Pressing the key once will place the thermostat in frost protect mode. In this mode, the thermostat will display the frost icon and will only turn the heating on should the room temperature drop below the set frost temperature (see page 23). Should the heating be turned on whilst in frost mode, the ame symbol will be displayed.
Optional Features Explained THE FOLLOWING SETTINGS ARE OPTIONAL AND IN MOST CASES NEED NOT BE ADJUSTED Feature 01 – Temperature Format: This function allows you to select between °C or °F. Feature 02 - Switching Dierential: This function allows you to increase the switching dierential of the thermostat.
Adjusting the Optional Settings Optional Settings - To adjust the optional settings, follow these steps. Press PROG ........................... • • Press SETUP ......................... Feature Number Setting Value Use the Up/Down keys at the top of the screen to select the feature •...
Re-calibrating the Thermostat Factory Reset If you need to re-calibrate the thermostat, follow these steps. Press and hold the Power key to turn the thermostat OFF ......• • Press and hold the OFF key until the temperature appears on screen ..Use the Up/Down keys to congure the new temperature ......
Battery Recharging The thermostat is equipped with a rechargeable battery. The battery can provide power for up to 6 months before recharging is required in normal operating conditions. To recharge the battery you need to connect the thermostat to a power source. A mini USB to USB lead is supplied with the thermostat so you can recharge from the USB port on your laptop or PC.
Heating Professionals: Request a copy of our product installation guide containing detailed technical specications for our complete product range: www.heatmiser.com/guide Want More Information? Call our support team on: +44 (0)1254 669090 Or view technical specications directly on our website: www.heatmiser.com Twitter: heatmiseruk Facebook: facebook.com/thermostats...
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