Heatmiser DT-B Instruction Manual
Model: DT-B
1
Battery Series
Model: DT-B
Model: D T-B
2
Table of Contents
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2
3-4
5-6
7-9
10
11-12
13
14
15
15
16
17-19
20
20
21-22
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Table of Contents
What is a Room Thermostat?
Installation Procedure
Installing the Batteries
Replacing the Batteries
LCD Display
Temperature Display
Locking the Thermostat
Temperature Control
Power ON / OFF
Frost Protection
Optional Features
Re-calibrating the Thermostat
Factory Reset
Wiring Diagrams
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Battery Series
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What is a Room Thermostat?
A room thermostat simply switches the heating system on and off as necessary.
It 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.
Setting a 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 and size of the heating
system.
Similarly reducing the temperature setting does not affect how quickly the room cools
down. Setting a 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 room thermostat is to find the lowest temperature settings
that you are comfortable with, and then leave it alone to do its job.
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.
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Model: D T-B
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If your heating system is a boiler with radiators, there will usually be only one 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.
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.
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Battery Series
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Installation Procedure
This wireless thermostat is designed to be surface mounted.
Step 1
Carefully separate the front half of the thermostat from the back plate by placing a
small flat head terminal driver into the slots on the bottom face of the thermostat.
Step 2
Mark 2 hole positions on the wall using the back plate as a positioning template.
Drill the marked positions and insert a wall plug into each hole. Terminate the
thermostat as shown in the diagrams on pages 21-22 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 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.
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Model: D T-B
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7
Battery Series
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Installing the Batteries
2x AAA batteries 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.
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