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Heatmiser PRTHW manual

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Table of contents for the manual

  • Page 1

    1 Model : PRTHW / PRTHW-N Model: PRTHW / PRTHW -N[...]

  • Page 2

    2 Slimline Series 2 Model : PRTHW / PRTHW-N T able of Con tents 1 2 3-4 5-6 7-8 9 10 11-12 13 14 Product Image T able of Contents What is a Progr ammable Room Thermostat? Installation Procedure LCD Displa y Setting the Clock T emperatur e Display Setting the Comfort Levels Locking the Thermostat Setting the T emperature Model: PRTHW / PRTHW-N Sliml[...]

  • Page 3

    4 3 Slimline Series Model : PRTHW / PRTHW-N The best way to do this is to set the r oom thermostat to a low temperatur e – say 18°C , and then turn it up by 1°C each day until you ar e comfortable with the temperature . Y ou won ’t have to adjust the thermostat further. An y adjustment above this setting will waste energy and cost you mor e m[...]

  • Page 4

    6 5 Slimline Series Model : PRTHW / PRTHW-N 1 Installation Pr ocedure This Slimline Series thermostat is designed to be ush mounted and requires a back box of 35mm (minimum depth) to be sunk into the w all prior to installation. Step 1 Carefully separate the fr ont half of the thermostat from the back plate by placing a small at head terminal[...]

  • Page 5

    8 7 Slimline Series Model : PRTHW / PRTHW-N 1. Room T emp - Indicates the current temperature sensor mode . 2. Day Indicator - Displays the current da y . 3. Fr ost Icon - Displayed when the thermostat is in frost pr otection mode. 4. Flame Icon - Display ed when the thermostat is calling for heat, the ame icon will ash when the optimum start[...]

  • Page 6

    10 9 Slimline Series Model : PRTHW / PRTHW-N Setting the Clock T o set the clock, follow these steps. • With the thermostat turned ON, press the Clock key three times ...................... • Use the Up/Down keys to set the hours .............................................................. • Press H to c onrm settings ..........[...]

  • Page 7

    12 11 Slimline Series Model : PRTHW / PRTHW-N Comf or t Levels Explained The thermostat provides Weekday/W eekend or 7 Day Programming options. Y ou should consult the “Optional Features ” section to selec t the required mode. The thermostat is supplied with comfort levels already prog rammed, but these can be changed easily . The default times[...]

  • Page 8

    14 13 Slimline Series Model : PRTHW / PRTHW-N Locking the Thermosta t The thermostat has a keypad lock facility . T o activate the lock follow these steps. • Press and hold the A and Down key s together for 10 seconds .......... • Y ou will see the lock symbol appear on screen ............................................. • T o unloc[...]

  • Page 9

    16 15 Slimline Series Model : PRTHW / PRTHW-N T emper ature Hold The temperature hold function allows y ou to manually override the current operating program and set a dier ent temperature for a desired period. • Press H to c ommence temperature hold .................................................................... • Use the Up/Down[...]

  • Page 10

    18 17 Slimline Series Model : PRTHW / PRTHW-N Thermostat completely OFF Thermostat powered ON Pressing the P ower button once will place the thermostat in frost protect mode. In this mode, the thermostat will display the fr ost icon and will only turn the heating on should the room temperature dr op below the set frost temperature (see page 21). Sh[...]

  • Page 11

    20 19 Slimline Series Model : PRTHW / PRTHW-N Setting the Hot W ater Switching Times Hot W ater Override • Press the Clock key once ............................................................................................... • If your thermostat is setup for Weekday/W eekend programming, Mon-Fri will be displayed on screen. F or 7 day [...]

  • Page 12

    22 21 Slimline Series Model : PRTHW / PRTHW-N THE FOLL OWING SE T TINGS ARE OPTIONAL AND IN MOST CASES NEED NOT BE ADJUSTED Featur e 01 - T emperature Format: This function allows y ou to selec t between °C and °F . Featur e 02 – Switching Dierential: This function allows you to incr ease the switching dierential of the thermostat. The de[...]

  • Page 13

    24 23 Slimline Series Model : PRTHW / PRTHW-N Optional Settings - Fea ture T able 01 02 03 04 05 06 07 08 09 10 11 12 FEA TURE T emperature Format Switching Dierential Frost Mode Frost Protection T emperature Output Delay Communications ID No. Up/Down T emperature Limit Sensor Selection Floor T emperature Limit Optimum Start Rate of Change Progr[...]

  • Page 14

    26 25 Slimline Series Model : PRTHW / PRTHW-N Re - calibrating the Thermostat If you need to re-calibrate the thermostat, follow these steps. • Press and hold the P ower button to turn the thermostat OFF ........................... • Press and hold BO TH the Power and Down keys together until the temperature appears on the screen ........[...]

  • Page 15

    28 27 Slimline Series Model : PRTHW / PRTHW-N W iring D iagram - PRTHW -N to UH1 PRTHW B2 B1 A2 A1 N L 230VA C CH HW Mains Supply In 85V-230V AC Live Neutral L Cylinder Thermostat Hot Water Valve To Boiler N L Heating Valve To connect boiler, consult boiler makers wiring diagram To Boiler N W iring D iagram - PRTHW PRTHW-N B2 B1 A2 A1 - + Y B Netwo[...]

  • Page 16

    30 29 Slimline Series Model : PRTHW / PRTHW-N Notes ......................................................................................................................................................................... ................................................................................................................................[...]

  • Page 17

    31 Slimline Series V ideo T witter: heatmiseruk Fac ebook: facebook.com/thermostats W ant More Informa tion? Call our support team on: +44 (0)1254 669090 Or view technical specications directly on our website: www.heatmiser .com PDF FA Q Heating Pr ofessionals: Request a copy of our product installation guide containing detailed technical speci?[...]