GENERAL LIFE HT250 SET User manual

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DIGITAL ROOM THERMOSTAT

HT250 SET

v.1.0

Product Code

Data sheet V. No

HT250 SET

Wireless Room Thermostat

Large LCD Backlight Display

Battery Indicator

On-Off Control

USAGE OF ROOM THERMOSTAT

HT250 SET is a wireless room thermostat. The HT250 SET room thermostats are used in heating systems to keep

the room temperature constant at the set temperature.

Large LCD Backlight Display

Heating Calibration

For heating systems

ON/OFF control

Battery DC 3 V (2 × 1,5V AAA Alkaline battery)

USAGE AREAS

Houses

Apartments

Residences

Schools

Oﬃces

The device can be used on combi boilers and on all on/off heating systems operating at 220V AC 7A current and

voltage values.

MECHANICAL DESIGN

The device consists of 3 part:

Plastic body

Battery cover

Wall hanger

Holder

The battery cover is attached to the plastic case. After the wall bracket is mounted in the wanted area, the plastic

body is attached to the wall bracket.

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Show the set temperature

Shows the room temperature

Battery Section

Progressive Battery Indicator (Indicates that the battery is low or depleted.)

Turning the button clockwise acts as the ”+“button and increases the temperature.

On / off and temperature calibration button

If the button is turned counterclockwise, it acts as ”- “ button and decreases the temperature.

If the heating symbol is on, it indicates that the combi boiler is on.

HT250 SET

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OPERATING PRINCIPLES

HT250 SET room thermostat speciﬁcations:

LCD with backlight

Two-position control (ON / OFF)

Temperature sensor (NTC)

The thermostat measures the room temperature with its temperature sensor. The desired temperature value is set

by turning the button to the right or left. When the room temperature rises above the set temperature value, the

room thermostat sends a shutdown command to the modem. Modem Turns off the relay by receiving the

command.

Digital display; The set temperature, battery life, room temperature and heating symbol are displayed. The heating

symbol gives information about the operation status of the boiler. The product measures 0.1 C temperature

accuracy. However, there is an operating sensitivity of 0.5 C to prevent the heating unit from starting and stopping

too frequently.

The device manages the heating systems by the on-off operation algorithm. This working algorithm is shown in

the following graph.

FUNCTIONS

Temperature Control

The room thermostat controls the room temperature according to the set value. The on / off temperature

difference of the device is 0.5 C.

Calibration

The room thermostat can be calibrated if the measuring temperature wanted to be changed. The calibration range

o o

is -8 C to + 8 C.

ORDERING

When ordering, specify both the product type and the product code, for example the HT250 SET wireless room

thermostat.

Time

Heating System

OFF

Heating System

Desired

Temperature

Room

Temperature

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ROOM THERMOSTAT INSTALLATION

Remove the room thermostat by pulling it out of the wall bracket. If you want to use your room thermostat in a ﬁxed

place, mount the dismantled wall apparatus in a room you frequently use in your living space. If you want to use

your room thermostat with the table bracket, place the room thermostat on the table bracket by removing the wall

bracket. For example; Like your home lounge or living room. Avoid installing the room thermostat where there is a

lot of air circulation, such as door entry or window edge. Also, do not place near heating units (heating panels,

ﬁreplaces etc.) and direct sunlight areas. We recommend that the room thermostat is placed at a height of 50 cm

to 150 cm from the ﬂoor. You can try a few places to ﬁnd where you can place the room thermostat.

If the room thermostat is to be used with the wall bracket, the wall bracket must be mounted on a ﬂat wall.

Local electrical regulations must be observed during installation.

Installation of room thermostat must be done by authorized personnel.

The parts included in the room thermostat are made of ABS, PC materials.

In systems with room thermostats, if there are thermostatic radiator valves, keep them in the open position.

BATTERY CHANGE

Remove the battery cover located on the back of your room thermostat. Insert a 3V DC (2xAAA) alkaline battery

into the battery compartment. When installing batteries, make sure they are incorrect position. Place the room

thermostat in the wall bracket or table bracket by closing the battery cover. Replace both batteries at the same

time.

WARNING!

Please dispose of your discharged batteries in waste bin which is separated for battery wastes.

MAINTENANCE

The device is maintenance-free.

MODEM

1-Modem Led Light

2-Sync Button:

Syncs modem and room thermostat.

3-Manual Usage Button:

Deactivates receiver and allows you to

use boiler manually.

4-Modem Power Cable Input

5-Boiler Connection Cable Input

COM NO NC

50 cm-150 cm

min.50 cm

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MODEM LED LIGHT COLOR EXPLANATIONS

MODEM PLACEMENT

The important thing to note for receiver placement is that avoiding physical contact with boiler and protecting

against materials such as liquid, dust etc. You can place your receiver in boiler's cabinet without physical contact

with boiler or mount receiver to Wall.

MODEM SETUP

First, shut down electrical current which your boiler is connected (fuse, power outlet etc.)

 Connect one of the boiler connection cable to receiver as shown in the Connection Scheme.

 Connect other boiler connection cable end to boiler's room thermostat input as shown in the boiler's user

manual.

 Input receiver power cable ﬁrst to receiver than to plug. If there is no plug near your boiler, you can connect cable

to your boiler's connection fuse.

 After ﬁnishing connections, turn on electrical current ﬁrst, then turn on your boiler.

 If you want to deactivate your receiver, press manual button for 2 seconds then you should see orange light on

receiver. After being sure that your boiler is working, press same button and see orange light disappeared.

Setup Room Thermostat to sync receiver with room thermostat.

CONNECTION DIAGRAM

WARNING!

Only persons who have got Professional Competence should make operations electric wiring or boiler setup.

Green

Green Flashing

Red

Red Flashing

Orange

Receiver synced with thermostat and Works properly.

Pressed to receiver sync button and waiting for thermostat sync signal.

Receiver has energy but no thermostat synced.

Boiler shut down because of, no signal from thermostat more than 22 minutes.

On Manual Mode.

THERMOSTAT OUT

COM

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APPLICATION EXAMPLE

SYSTEM COMBINATION

APPLICATION EXAMPLE

Actuator Type of Actuator Operating Voltage

ST21

SEA21.10

Thermal

Motor

AC 230 V

2 Position

180 sn.

< 20 sn.

Positioning Type Positioning Time

COM NO

220V 220V

COM NO

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WARNING!

Please do not connect the modem with another product's supply line.

Risk of ﬁre and injury due to short circuit!

Please comply with local regulations when determining power cable diameters.

Please supply the power line from a fuse.

WARNING!

The product is subject to the European Directive 2012/19 / EU as it is included in the electronic product

category.

It cannot be considered as domestic waste.

You can leave the product in electronic waste collection areas.

Follow all local and applicable laws and regulations.

WARNING!

There is no internal fuse inside the product.

External fuses must be used on all supply lines.

SYNC ROOM THERMOSTAT AND RECEIVER

Each room thermostat is matched with a modem inside the factory. In case of any signal loss, you can perform the

matching by following the steps below.

Press the button for 3 seconds when room thermostat is off. You will see the heating calibration setting menu,

after you press one more time, you will see sync menu which written as “Adr”.

 Primarily press the sync button of receiver for 2 seconds and see blinking green light of receiver. Then turn up the

button to right or left way.

 Green light on the receiver will be stable and signal sound will be heard from receiver.

Room Thermostat and Receiver synced.

ROOM THERMOSTAT HEATING CALIBRATION

If you want to take the temperature on your thermometers in your living space as reference, you need to calibrate

your room thermostat. For this:

Press the button for 3 seconds when the device is off.

 In order to see the desired temperature, set the temperature difference by turning the button to right or left. This

o o

value can be set between -8 C and +8 C.

 Exit the menu by pressing the button.

Note: Recommended tempreture calibration is “0.0 C”.

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TECHNICAL DATA

Room Thermostat

Modem

Power Supply

Operating Current

Battery Life

3V DC (2 x AAA alkaline battery)

1 Years (2 x AAA)

Operational Data

Temperature Measurement Accuracy

Operating Sensitivity

Operating Temperature Range

0.1 C

0.5 C

o o

(5 C) – (30 C)

Standards

Radio and Telecommunications Terminal

Equipment Regulation

Electromagnetic Compatibility Regulation

Low Voltage Directive

2014/53/EU (R&TTE/RED EN 301 489-1 V2.1.1:2017,

EN 300 220-1 V3.1.1:2017, EN 301 489-3 V2.1.1:2017,

EN 300 220-2 V3.1.1:2017, EN 62479: 2010,

EN 60730-2-9:2010, EN 60730-1:2011)

2014/30/EU (EMC EN 61000-6-3: 2007 + A1: 2011,

EN 61000-6-1: 2007

2014/35/EU (LVD EN 60730-2-9:2010, EN 60730-1:2011)

General Data

Weight (including package)

Color

Material

415 g

White

ABS, PC

Environmental Conditions

Operating Temperature

Storage Temperature

Transport Temperature

o o

(0 C) – (+45 C)

o o

(-10 C) – (+50 C)

o o

(-10 C) – (+50 C)

Power Supply

Operation Current

Relay NO Switching Current

220V AC

7A (220V AC)

Environmental Conditions

Operating Temperature

Storage Temperature

Transport Temperature

o o

(0 C) – (+45 C)

o o

(-10 C) – (+50 C)

o o

(-10 C) – (+50 C)

General Data

Color

Material

White

ABS

135 mm 30 mm

87 mm

118.50 mm

80.50 mm

5 mm

85 mm

28.5 mm90 mm

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80 mm

60 mm

21 mm

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DIMENSIONS

HT250 SET

ISIPARK reserves the right to change and develop the product speciﬁcations and data sheet.

*For all changes please visit generallife.com.tr

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