Model: PRT-EN Table of Contents Product Image Table of Contents What is a Programmable Room Thermostat? Installation Procedure LCD Display Setting the Clock Temperature Display Setting the Comfort Levels 11-12 Locking the Thermostat Setting the Temperature Temperature Hold Holiday Programming Frost Protection Power On / Off Optional Features...
What is a Programmable Room Thermostat? A programmable room thermostat is both a programmer and a room thermostat. The way to set and use your programmable room thermostat is to find the lowest temperature settings that you are comfortable with at the different times you have A programmer allows you to set “On”...
Installation Procedure Mount the thermostat at eye level. Read the instructions fully so you get the best from our product. Don’t Do not install near to a direct heat source as this will affect functionality. Do not push hard on the LCD screen as this may cause irreparable damage. This Slimline Series thermostat is designed to be flush mounted and requires a back box of 35mm (minimum depth) to be sunk into the wall prior to installation.
LCD Display Room/Floor Temp - Indicates the current temperature sensor mode. Day Indicator - Displays the current day. Frost Icon - Displayed when the thermostat is in frost protection mode. Flame Icon - Displayed when the thermostat is calling for heat, the flame icon will flash when the optimum start function is in operation.
Setting the Clock Temperature Display To set the clock, follow these steps. This thermostat can be setup to use an air sensor, floor sensor or both. The display will clearly show which sensor is being controlled by showing either: • With the thermostat turned ON, press the Clock key twice .........
Comfort Levels Explained The thermostat provides Weekday/Weekend or 7 Day Programming options. • Use the Up/Down keys to enter the required WAKE time ....... You should consult the “Optional Features” section to select the required mode. • Press H to confirm settings ..................The thermostat is supplied with comfort levels already programmed, but these can be •...
Temperature Control Locking the Thermostat The Up/Down keys allow you to adjust the set temperature ....... The thermostat has a keypad lock facility. To activate the lock follow these steps. When you press either key, you will see the word SET and the desired •...
Temperature Hold Holiday The temperature hold function allows you to manually override the current operating The holiday function reduces the set temperature in your home to the frost program and set a different temperature for a desired period. protection temperature setting (see page 19). •...
Frost Mode Heating On/Off The heating is indicated ON when the flame icon is displayed. Pressing the Power button once will place the thermostat in frost protect mode. When the flame icon is absent, there is no requirement for heating to achieve the In this mode, the thermostat will display the frost icon and will only turn the heating set temperature but the thermostat remains active.
Optional Features Explained Feature 08 – Sensor Selection: On this thermostat, you can select which sensor should be used. You can select between air temperature only, floor temperature, or both. When you enable both sensors, the floor sensor is used as a floor limiting THE FOLLOWING SETTINGS ARE OPTIONAL AND IN MOST CASES sensor and is designed to prevent the floor from overheating.
Adjusting the Optional Settings Optional Settings - Feature Table FEATURE DESCRIPTION SETTING To adjust the optional settings, follow these steps. • Press and hold the Power button to turn the thermostat OFF ......Temperature Format 00 = C, 01 = F (°C = Default) Switching Differential - 03...
Factory Reset Re-calibrating the Thermostat If you need to re-calibrate the thermostat, follow these steps. The thermostat has a reset function to restore all settings to their factory defaults. • Press and hold the Power button to turn the thermostat OFF ......To perform a factory reset, follow these steps.
Wiring Diagram - PRC Voltfree Switching Wiring Diagram - PRT-EN to UH1 Voltfree Switching With the Heatmiser PRC PRT-EN PRT-EN Connecting PRT-EN to the UH1 12VDC Remote Network 12VDC Air Sensor The UH1 allows connection of up to eight Recommendations...
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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...
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