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Manual Horstmann HRT4-A Thermostat

Name: Horstmann HRT4-A Thermostat
Brand: Horstmann
SKU: HRT4-A
Rating: 0 (1 reviews)

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Manual

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.

Turning a room thermostat to a higher setting will not make the room heat up any faster.

How quickly the room heats up depends on the design of the heating system, for example, the size

of boiler and radiators.

Neither does the setting affect how quickly the room cools down. Turning a room

thermostat to a lower setting will result in the room being controlled at a lower

temperature, and saves energy.

The heating system will not work if a time switch or programmer has switched it off.

The way to set and use your room thermostat is to find the lowest temperature setting 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 one degree 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 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 prevent the thermostat from working properly.



Set the dial to the required room temperature by lining up the temperature marked on the dial

in degrees C against the setting mark to the left of the dial.

The indicator light will be On when the thermostat is ‘calling’ for heat.

(In other words the thermostat has detected that the room is not warm enough compared to its

set temperature).

If the indicator light is Off then either the room thermostat is sensing that it is warm enough and

has switched Off or that the timeswitch/programmer has switched Off.

N.B. If the timeswitch or programmer has switched Off the thermostat will not operate.

What is a room thermostat?

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Download manual in English (PDF, 0.24 MB)

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Specifications

Brand	Horstmann
Model	HRT4-A
Category	Thermostats
File type	PDF
File size	0.24 MB

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Frequently Asked Questions about Horstmann HRT4-A Thermostat

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

What is the dead zone of a thermostat? Verified

Many modern thermostats have a dead zone. If the temperature deviates less than 4°C from the set temperature, the system will not heat or cool. This so called dead zone of the thermostat prevents the system from turning on and off too often, saving energy.

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What is the best place to mount a thermostat? Verified

The best place for a thermostat is approximately 1,5 meter above the ground. Never place the thermostat nead a radiator or other heat emitting equipment or in direct sunlight. Choose a room that is used often. In most cases this is the living room.

This was helpful (1127) Read more