Heatmiser PRT-E Operating Instructions Manual
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Heatmiser PRT-E Operating Instructions Manual

Heatmiser PRT-E Operating Instructions Manual

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Operating Instructions

Model : PRT-E / PRT-EN
Installer Note:
This thermostat is a combination model allowing you to choose
between "Floor Only" or "Air & Floor" temperature control.
Please see page 11 for more information.
This product should be installed by a qualified electrician.
Improper installation may result in injury, death or
property damage.

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  • Page 1: Operating Instructions

    Operating Instructions Model : PRT-E / PRT-EN Installer Note: This thermostat is a combination model allowing you to choose between “Floor Only” or “Air & Floor” temperature control. Please see page 11 for more information. This product should be installed by a qualified electrician.

  • Page 2: Table Of Contents

    Initial Setup Procedure 7-12 Symbols Explained Button Layout Temperature Display Setting the Clock Temperature Override Frost Mode Setting the Comfort Levels 17-18 Keylock Viewing the Floor Temperature Wiring PRT-E-N Mode 0 Wiring Diagrams 20-21 PRT-E-N Mode 1 Wiring Diagrams 22-23...

  • Page 3: What Is A Programmable Room Thermostat

    What is a programmable room thermostat ? A programmable room thermostat is both a programmer and a room thermostat. A programmer allows you to set On and "Off time periods to suit your own lifestyle. A room thermostat works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it off once this set temperature has been reached.
  • Page 4 The way to set and use your programmable room thermostat is to find the lowest temperature settings that you are comfortable with and the different times you have chosen and then leave it alone to do its job. The best way to do this is to set low temperatures first, say 18ºC, and then turn them up by one degree each day until you are comfortable with the temperatures.
  • Page 5 You may be able to temporarily adjust the heating programme, for example “Override”, “Advance” or “Boost” These are explained in the manufacturers instructions. Programmable room thermostats need a free flow of air to sense the temperature, so they must not be covered by curtains or blocked by furniture.

  • Page 6: Installation

    Installation Procedure DO’s 1. Mount the thermostat at eye level. 2. Read the instructions fully so that you get the best from our product. 3. Install the floor probe into a conduit so that it can be replaced if necessary. DON’Ts 1.
  • Page 7 Step 2 Carefully unplug the ribbon connector which is plugged in to the front half of the thermostat. Place the thermostat front half somewhere safe. Terminate the thermostat as shown in the diagrams at the back of this booklet. Screw the thermostat back plate on to the back box Step 3 Re-connect the thermostat ribbon cable and clip the two halves together.

  • Page 8: Initial Setup Procedure

    How To Setup Your Thermostat This thermostat has many options available to you. Once you have set these settings you can leave them. They will be stored in the thermostat memory and do not need to be adjusted. You need to use the table opposite as a reference guide when initially setting up the thermostat.
  • Page 9 Description Setting Feature Temperature Format 00=°C 01=°F (°C Default) Switching Differential 01=1°C/F, 02=2°C/F, 03=3°C/F (01 = Default) Enter Value Temperature Calibrate Frost Mode 00=Disabled 01=Enabled (01 = Default) Frost Protection Temp 07-17°C (12°C Default) Output Delay Enter Value 00 - 30 minutes 00=Default Enter number 01-32 Comms # (PRT-EN) Optimum Start (Preheat) 00=Disabled (Default)
  • Page 10 Understanding the Features The installer should read the following features and then setup the thermostat according to the features required. Temperature Format: Select between°C or °F Switching Differential: This is the number of degrees the heating switches back on below the set temperature. Temperature Calibrate: The thermostat is calibrated from the factory, but you can use this function to calibrate if required.
  • Page 11 Understanding the Features (Cont) Optimum Start: Optimum start will delay the start up of the heating system to the latest possible moment to avoid unnecessary heating, so that the dwelling is comfortably warm by the programmed time. The thermostat uses the rate of change (See below) setting to calculate how long the building needs to take to raise the building 1°C.
  • Page 12 Understanding the Features Mode The PRT-E has two modes available. 00 = Floor Only. In this mode a single remote floor sensor is used to maintain a desired floor temperature. The programmed settings relate to the floor temperature only. Air temperature is not monitored in this mode.
  • Page 13 Setting up the Features: With the PRT-E turned off, press for 3 seconds On the LCD you will see 01(small) to the top right, and 00 (large) in the centre. Small setting = Feature # Large setting = Setting • Use the Up/Down arrow key to change the setting.

  • Page 14: Symbols Explained

    LCD Symbols Clock Indicator Heat Active Indicator Frost Mode On Floor Temperature Over Limit KeyLock On Flashing Optimum Start Mode Active...

  • Page 15: Button Layout

    3. Button Layout Infrared Receiver Clock Down On/Off Button Button Button Button Button Button...

  • Page 16: Temperature Display

    • You are now able to set the day of the week using the up/down keys • Press A to store and exit The clock is now set. The PRT-E has a battery which maintains the clock on a power failure. All program settings are retained in flash memory for 10 years.

  • Page 17: Temperature Override

    Temperature Override Using the Up/Down arrow keys you can adjust the current set temperature. On the screen, you will see SET and the new temperature displayed. This temperature will be maintained until the next programmed comfort level. Press A to accept and exit. Frost Mode By pressing the “H”...

  • Page 18: Setting The Comfort Levels

    Setting the Comfort Levels The PRT-E has 4 comfort levels for the weekday and 4 for the weekend. This method of control is not to have on/off times but to allow the occupant to set varying temperatures throughout the day.
  • Page 19 • To begin programming the comfort levels, press clock once. You will see Mo - Fr displayed. • Use the Up/Down arrow keys to select the time for the 1st comfort level for the weekday. • Press H to accept •...

  • Page 20: Keylock

    Enabling Keylock The PRT-E has a keylock facility. To enable this press the “A” and “Down” arrow key for 10 seconds. When the keylock function has been activated, you will see on screen. To cancel, repeat the steps above. Viewing The Current Floor Temperature (Mode 01 Only) When set to Air &...

  • Page 21: Prt-E-N Mode 0 Wiring Diagrams

    PRT - E- N MODE 0 + A1 A2 - RT1 RT2 COMMS CABLE TR1 OR PS1 AS REQUIRED FLOOR PROBE VOLT FREE OUTPUT ( 3amps )
  • Page 22 PRT - E- N MODE 1 + A1 A2 - RT1 RT2 COMMS CABLE TR1 OR PS1 AS REQUIRED FLOOR PROBE ( IF FITTED ) PROBE VOLT FREE OUTPUT ( 3amps )

  • Page 23: Prt-E-N Mode 1 Wiring Diagrams

    MODE 0 WIRING FUSED MAINS SUPPLY SPUR PRT - E LOAD ( highly recommended ) Floor Sensor MATTING RECOMMENDATIONS MAX CABLE SIZE 1.5 mm2 MAX LOAD 13 Amp BACK BOX DEPTH 35MM...
  • Page 24 MODE 1 WIRING FUSED MAINS SUPPLY SPUR PRT - E LOAD ( highly recommended ) Floor Optional Sensor Sensor MATTING RECOMMENDATIONS MAX CABLE SIZE 1.5 mm2 MAX LOAD 13 Amp BACK BOX DEPTH 35MM...
  • Page 26 Support Tel: 0870 8032 372 Certification mark 01/12 Revision 2 Ref. PRT3...

This manual is also suitable for:

Prt-en

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