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Model

: PRT-B

Model: 

PRT-B

Summary of Contents for PRT-B

Page 1: ...1 Model PRT B Model PRT B ...

Page 2: ...Installation Procedure Installing the Batteries Replacing the Batteries Pairing with the RC1 W Receiver LCD Display Setting the Clock Temperature Display Setting the Comfort levels Locking the Thermostat Setting the Temperature Temperature Hold Holiday Programming Frost Protection Power ON OFF Optional Features Re calibrating the Thermostat Factory Reset Wiring Diagrams 20 21 21 23 26 27 28 29 30 ...

Page 3: ...ature so they must not be covered by curtains or blocked by furniture Nearby electric fires televisions wall or table lamps may also prevent the thermostat from working properly 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 Off periods to suit your own lifestyle The room thermostat works by s...

Page 4: ...plate Drill the marked positions and insert a wall plug into each hole Terminate the thermostat as shown in the diagrams on pages 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 Do Mount the thermostat at eye level Read the instructions fully so you get the best ...

Page 5: ...ies have been supplied with this thermostat 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 ...

Page 6: ...will need to be replaced occasionally to ensure the thermostat operates correctly The thermostat will inform you when the batteries need to be replaced by displaying the battery icon on screen Note You must replace the batteries within 1 minute of removal in order to retain the current clock and comfort level settings Replacing the Batteries Battery Icon Flashes ...

Page 7: ...emaining time period is displayed 6 Set Indicates when changes are being made to programs or temperature set points 7 Holiday Indicator Displayed when the thermostat is in holiday mode 8 Current Temp Indicates the current sensor temperature 9 Program Cycle Indicator Displayed during programming only to show which period is being altered 10 Battery Level Indicates when the batteries require replace...

Page 8: ...minutes Press H to confirm settings Use the Up Down keys to set the day of the week Press A to confirm settings and return to main display Temperature Display Day Hours Minutes Room Temperature Set Temperature This is the current room temperature This is the temperature you are trying to achieve in your home The temperature display information is driven by two different inputs the sensor measureme...

Page 9: ... different comfort levels To program comfort levels press Clock once Use the Up Down keys to enter the required WAKE time Press H to confirm settings Use the Up Down keys to enter the required WAKE temperature Press H to confirm settings You will now see LEAVE displayed on screen Repeat the programming steps for each period until complete For unused periods enter and the thermostat will ignore the...

Page 10: ...return to main display Note This override will be maintained until the next programmed comfort level Set Temperature Set Icon Locking the Thermostat The thermostat has a keypad lock facility To activate the lock follow these steps Press and hold the A and Down keys together for 10 seconds You will see the lock symbol appear on screen To unlock repeat the steps above until the lock symbol disappear...

Page 11: ...he temperature hold function allows you to manually override the current operating program and set a different temperature for a desired period Press H to commence temperature hold Use the Up Down keys to enter the required Hold time Press H to confirm settings Use the Up Down keys to enter the required Hold temperature Press A to confirm settings and return to main display You will see the Hold F...

Page 12: ...n frost mode the flame icon will be displayed To cancel the frost protect mode press the button once Frost Protection Mode Enabled Frost Mode Heating On Off The heating is indicated ON when the flame icon is displayed When the flame icon is absent there is no requirement for heating to achieve the set temperature but the thermostat remains active To turn the thermostat OFF completely press and hol...

Page 13: ...s can be set from 00 15 minutes The default is 00 which means there is no delay 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 Feature 07 Optimum Start Optimum start will delay the start up of the heating system...

Page 14: ... 12o C 00 15 Minutes 00 Default 00o 10o C 00o C Default 00 03 Hours 00 Default Minutes to raise by 1o C 00 Weekday Weekend 01 7 Day Programming 00 Default SETTING Adjusting the Optional Settings To adjust the optional settings follow these steps Press and hold the Power button to turn the thermostat OFF Press and hold the Clock key until the display appears as below Use the Clock key to cycle thro...

Page 15: ...Press A to confirm 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 success...

Page 16: ...itched Live Valve Systems NO C NC PRT B Permanent Live from boiler or Fused Spur Switched Live to boiler or valve Wiring Diagram PRT B Voltfree Combi Boiler Systems Note When connecting to a valve the valve auxillary switch is used to enable the boiler Note LS LR may be labelled differently but they are normally the boiler s room thermostat connections ...

Page 17: ...Call our support team on 44 0 1254 669090 Or view technical specifications directly on our website www heatmiser com PDF FAQ Heating Professionals Request a copy of our product installation guide containing detailed technical specifications for our complete product range www heatmiser com guide ...

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