Computherm T30 Manual

Computherm Ikke kategoriseret T30

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Side 1/2

GENERAL DISCRIPTION OF THE THERMOSTAT

The

COMPUTHERM

T30 type switched-mode room ther-

mostat is suitable to regulate the overwhelming majo-

rity of boilers and air conditioners available in Hungary.

It can be easily connected to any gas boiler having

a two-wire thermostat connection point and to any air

conditioning apparatus or electrical apparatus, regar-

dless of whether they have a 24 V or 230 V control

circuit.

Temperature can be measured and set at digital disp-

lay more precisely as compared to simple, conventio-

nal thermostats. In heating mode, the thermostat swit-

ches the boiler or any other appliances on below and

off above the adjusted temperature, respectively, and

contributes to reduce energy costs while maintaining

comfort. In cooling mode it switches the opposite way.

The simultaneous use of several

COMPUTHERM

room

thermostats and one

COMPUTHERM

Q4Z zone control-

ler provides the possibility for the thermostats to also

control a pump or a zone valve in addition to starting

the heater or cooler. This way it is easy to divide a he-

ating / cooling system into zones, thanks to which the

heating / cooling of each room can be controlled se-

parately, thus greatly increasing comfort. Furthermore,

the zoning of the heating / cooling system will greatly

contribute to the reduction of energy costs, as due to

this only those rooms will be heated / cooled at any

time where it is required.

1. LOCATION OF THE DEVICE

It is reasonable to locate it in a room used regularly

or for many hours per day so that it is in the direction

of natural ventilation in the room but protected from

drought or extreme heat (e.g. direct sunlight, refrige-

rator, chimney, etc). Do not use in wet, chemically ag-

gressive or dusty environment. Its optimal location is

0.75 - 1.5 m above floor level.

IMPORTANT WARNING! If the radiator valves in your

at are equipped with a thermostatic head, adjust it to

maximum temperature or replace the thermostatic head

of the radiator valve with a manual control knob in the

room where the room thermostat is to be located, other-

wise the thermostatic head may disturb the temperature

control of the at.

2. INSTALLATION OF THE THERMOSTAT

WARNING! The device must be installed and con-

nected by a qualied professional!

Before installing, make sure that that neither the

thermostat nor the device to be controlled is connec-

ted to the 230 V mains voltage. Modifying the ther-

mostat can cause electric shock or product failure.

2.1. To install and connect the thermostat you

should perform the following steps:

1. Detach the back panel of the thermostat from the front

panel as shown in the gure below.

2. Secure the back panel of the device on the wall using the

supplied mounting screws. Make sure that the arrows on

the back panel are pointing upward.

3. The thermostat controls the boiler or air conditioner

through a potential-free alternating relay that has the fol-

lowing connection points: NO and COM. These connec-

tion points are on the thermostat wall plate.

4. Connect the two connection points of the heating or coo-

ling equipment to be controlled to the normally open NO

and COM terminals of the relay.

If you would like to operate an old boiler or any other de-

vice that has no connection points for thermostats, then

the NO and COM connection points of the thermostat

should be connected to the mains cable of the device,

similarly as a switch would be connected.

ATTENTION! Always consider the loadability of the ther-

mostat and follow the manufacturer’s instructions of the he-

ating or cooling equipment. The device must be installed

and connected by a qualied professional. The voltage ap-

pearing at terminals NO and COM depends only on the sy-

stem being controlled, therefore the dimensions of the wires

are determined by the type of the device to be controlled.

The length of the wire is of no signicance.

2.2. To put the thermostat into operation you

should perform the following steps:

1. Detach the battery compartment cover.

2. According to the indicated polarities install the two AAA

Micro Alkaline Batteries (LR03 type) provided in the

box of the product into the battery holders.

3. Replace back the battery compartment cover and mount

the thermostat onto back panel.

4. To switch ON the thermostat press once the button

located on the front panel.

Warning! Alkaline batteries may only be used for this

appliance. Carbon-zinc batteries known as durable or long

life batteries and chargeable accumulators are not suitable

for the operation of this appliance. The icon appearing

on the display to indicate low battery voltage warns reliably

that the batteries should be replaced only when alkaline

batteries are used.

3. CALIBRATION OF THE THERMOSTAT

You can calibrate the thermometer of the appliance (to cor-

rect measured temperature). To enter the calibration menu,

in the OFF state of the thermostat, press and hold the

button for 3 seconds. Then the thermostat enters the calib-

ration menu, the sign „ ” and the set calibration tempera-

ture appear on the display which shows by default.

Then you can set the required temperature by means of

buttons and in the range between 8 °C and +8 °C,

in 0.5 °C increments. Following this, to save the setting and

exit wait 10 seconds or press the button three times. Now

the thermostat is OFF and the setting will be activated when

the thermostat is turned on again.

4. SWITCH BETWEEN HEATING AND

COOLING MODES

You can have the possibility to easily switch between hea-

ting (factory setting) and cooling modes.

The output terminals NO and COM of the thermostat are

closed below the set temperature in heating mode, and

they are closed above the set temperature in cooling

mode (taking the switching sensitivity into account). The

closed position of the NO and COM connection points of the

COMPUTHERM

T30

Digital room thermostat

Instruction Manual

Produkt Specifikationer

Mærke:	Computherm
Kategori:	Ikke kategoriseret
Model:	T30

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