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4

3

Slimline 

Series

Model

: PRT / PRT-N

The best way to do this is to set the room thermostat to a low temperature

– say 18°C , and then turn it up by 1°C each day until you are comfortable with the 

temperature. You won’t have to adjust the thermostat further. Any adjustment above 

this setting will waste energy and cost you more money.

If your heating system is a boiler with radiators, there will usually be only one 

programmable room thermostat to control the whole house. But you can have 

different temperatures in individual rooms by installing thermostatic radiator valves 

(TRVs) on individual radiators.

If you don’t have TRVs, you should choose a temperature that is reasonable for the 

whole house. If you do have TRVs, you can choose a slightly higher setting to make 

sure that even the coldest room is comfortable, then prevent any overheating in other 

rooms by adjusting the TRVs. 

You are able to temporarily adjust the heating program by overriding or using the 

temperature hold feature. These features are explained further on pages 14 and 15 of 

this manual.

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. 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 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.

So a programmable room thermostat lets you choose what times you want the heating 

to be on, and what temperature it should reach while it is on. It will allow you to select 

different temperatures in your home at different times of the day (and days of the week) 

to meet your particular needs and preferences.

Setting a programmable room thermostat to a higher temperature will not make the 

room heat up any faster.  How quickly the room heats up depends on the design & size 

of the heating system.

Similarly reducing the temperature setting does not affect how quickly the room cools 

down. Setting a programmable room thermostat to a lower temperature will result in the 

room being controlled at a lower temperature, and saves energy.

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 

chosen, and then leave it alone to do its job.

Содержание PRT

Страница 1: ...1 Model PRT PRT N Model PRT PRT N...

Страница 2: ...a Programmable Room Thermostat Installation Procedure LCD Display Setting the Clock Temperature Display Setting the Comfort Levels Locking the Thermostat Setting the Temperature Temperature Hold Holid...

Страница 3: ...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...

Страница 4: ...ottom face of the thermostat Step 2 Place the thermostat front somewhere safe Terminate the thermostat as shown in the diagrams on pages 25 29 of this booklet Step 3 Screw the thermostat back plate se...

Страница 5: ...p Hold is active HOLD FOR and the remaining 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...

Страница 6: ...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 T...

Страница 7: ...4 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...

Страница 8: ...d return to main display 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 f...

Страница 9: ...to 00 00 hours Hold ON Indicator Hold Time Remaining Note A holiday period does not start until 00 00 the next day For example if you set a holiday period on Friday for 2 days Saturday will be counted...

Страница 10: ...st mode the flame icon will be displayed To cancel the frost protect mode press the Power button once again Frost Protection Mode Enabled Frost Mode Heating On Off The heating is indicated ON when the...

Страница 11: ...nication address This can be set from 01 32 Feature 07 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...

Страница 12: ...tat back ON 01 02 03 04 05 06 07 08 09 10 11 12 FEATURE Temperature Format Switching Differential Frost Mode Frost Protection Temperature Output Delay Communications ID No Up Down Temperature Limit Se...

Страница 13: ...e 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 thermos...

Страница 14: ...L N 230VAC Wiring Diagram PRT to Boiler S L Wiring Diagram PRT to Boiler Voltfree TO CONNECT BOILER CONSULT BOILER MAKERS DIAGRAM NEUTRAL LIVE LS LR 230V SUPPLY IN LS LR ARE NORMALLY THE ROOM THERMOS...

Страница 15: ...IN 230V AC 50 60Hz PRT A1 A2 L N 230VAC Wiring Diagram PRT N to PRC Volt Free Switching 12V COMMS CABLE Voltfree Switching With the Heatmiser PRC A2 B2 NO NC C NO NC C N E L 230V SUPPLY IN Volt Free...

Страница 16: ...RT1 A2 A1 Y B Network 12VDC UH1 ZONE X A2 A1 B Y _ ZONE X A2 A1 B Y _ Connecting PRT N to the UH1 The UH1 allows connection of up to eight 12 volt network thermostats When connecting network thermost...

Страница 17: ...on 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 c...

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