GENERAL LIFE HT270 SET User manual

DIGITAL ROOM THERMOSTAT
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HT270 SET
v.1.0
Product Code
Data sheet V. No
HT270 SET
Wireless Room Thermostat
Large LCD Backlight Display
Daily and Weekly Program
Touch Keys
Key Lock
Battery Indicator
On-Off Control

USAGE OF ROOM THERMOSTAT
HT270 SET is a wireless room thermostat. The HT270 SET room thermostats are used in heating systems to keep
the room temperature constant at the set temperature.
Large LCD Backlight Display
Touch Keys
Daily and Weekly Program
Different Mode Options (Comfort, Economy, Holiday)
Battery Indicator, Key Lock, 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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1.
2.
3.
4.
5.
6.
Comfort Mode
Temperature Adjustment (To Increase)
Economy Mode
Temperature Adjustment (To Decrease)
Holiday Mode
On/Off Button
3
1
2
4
5
6

Screen Indicators
OPERATING PRINCIPLES
HT270 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
o
symbol gives information about the operation status of the boiler. The product measures 0.1 C temperature
o
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.
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Time
Heating System
OFF
Heating System
On
Desired
Temperature
Room
Temperature
1.
2.
3.
4.
5.
Set Temperature
Comfort Mode
Economy Mode
Holiday Mode
Manual Mode
Battery Indicator
Boiler Operates
Screen Lock
Room Temperature
6.
7.
8.
9.
C
OC
C
OC
1
2
3
4
5
6
7
8
9

FUNCTIONS
Temperature Control
The room thermostat controls the room temperature according to the set value. The on / off temperature
o
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 HT270 SET wireless room
thermostat.
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.
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50 cm-150 cm
min.50 cm

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
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.
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45
COM NO NC
1
2
3
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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
NO

APPLICATION EXAMPLE
SYSTEM COMBINATION
APPLICATION EXAMPLE
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Actuator Type of Actuator Operating Voltage
ST21
SEA21.10
Thermal
Motor
AC 230 V
AC 230 V
2 Position
2 Position
180 sn.
< 20 sn.
Positioning Type Positioning Time
N
L
COM NO
N
220V 220V
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COM NO

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.
First of all sync button on receiver needs to be pressed down for 2 seconds until green light blinks.
When your thermostat is in Off status ''On/Off' button should be pressed for 3 seconds until heating calibration
menu displays,when you see calibration menu press one more time to ''On/Off'' button and ''Adr'' menu which is a
synchronization menu will show up.
In ''Adr'' menu when either one of the temperature adjustment button pressed thermostat will send
synchronization signal to receiver.
Green light on the receiver will be stabilized and receiver would make notification sound.
Now receiver and wireless room thermostat are matched and syncronized.
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:
When the device is on ''Off'' status ''On/Off'' button needs to be pressed for 3 seconds.
From the calibration menu which appeared after 3 seconds,you may set to any temperature degree by pressing
o o
''Adjustment Buttons''.This value can be arranged between “-8 C" and “+8 C".
To exit calibration menu please press ''On/Off' button 2 times.
o
Note: Recommended tempreture calibration is “0.0 C”.
KEY LOCK
In room thermostat there is a key lock function to avoid any unintended contact.
In order to unlock the thermostat's key lock '' Holiday'' button should be pressed for 3 seconds.If buttons on
thermostat are not touched for 10 seconds,key lock will be reactivated.
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MODE SETTTINGS
Room thermostat have 4 diferent modes 3 of them are prepared for your comfort and ready to use.Other mode is a
manual mode.
In prepared modes ,temperature degrees are based on user's preferences which has been set in the beginning
Temperature degrees of prepared modes can be adjusted.In order to set a temperature for any mode,mode button
of that function needs to be pressed for 3 seconds.Set degree of that specific mode would appear on the screen
and by pressing ''Temperature Adjustment Buttons ''degree can be reset.After finishing setting the degree same
''Mode'' button needs to be pressed down for 3 seconds in order to go back to home screen.
In manual mode,temperature degree can be set through pressing ''Up'' and ''Down'' buttons.Pressing either ''Up'' or
'' Down'' button would automatically set the thermostat to manual mode.
In order to switch to any mode that specific mode button needs to be pressed.
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MODES
READY MODES MANUAL MODE
Comfort Mode Economy Mode Holiday Mode

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
o
0.1 C
o
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
435 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)
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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
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DIMENSIONS
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118 mm
80 mm
6 mm
85 mm
28.5 mm90 mm
119.5 mm 24 mm
85 mm
80 mm
60 mm
21 mm
OC
C
OC

ISIPARK reserves the right to change and develop the product specifications and data sheet.
*For all changes please visit generallife.com.tr