General HT300 User manual

DIGITAL ROOM THERMOSTAT
HT300
v.1.0
Product Code
Data sheet V. No
HT300
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Wired Room Thermostat
Large LCD Backlight Display
Daily and Weekly Program
Touch Keys
Key Lock
Battery Indicator
On-Off Control

USAGE OF ROOM THERMOSTAT
HT300 is a wired room thermostat. HT300 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 30V DC 2A current and
voltage values.
MECHANICAL DESIGN
The device consists of 3 part:
Plastic body
Battery cover
Wall hanger
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.
Room Thermostat Buttons Functions
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1.
2.
3.
4.
5.
6.
Weekly Program Button
Temperature Adjustment (To Increase)
Settings Button
Temperature Adjustment (To Decrease)
Mode Button
On/Off Button
3
1
2
4
5
6

Screen Indicators
OPERATING PRINCIPLES
HT300 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. Relay opens when room temperature rises above set temperature and the
boiler will stop working.
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.
6.
7.
Set Temperature
Weekly Program Mode
Comfort Mode
Economy Mode
Holiday Mode
Manual Mode
Day Indicator
Hour Indicator
Battery Indicator
Boiler Operates
Screen Lock
Room Temperature
Hours of Day
8.
9.
10.
11.
12.
13.
C
OC
C
OC
1
2
3
4
5
6
7
9
10
11
813
12

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 HT300 wired room
thermostat.
ROOM THERMOSTAT INSTALLATION
Place your room thermostat in a room where you most use it as your living area. For example: living room. Avoid
installing the room thermostat where there is a lot of air circulation such as door entry or window edges. Also, do
not place in places near heat units (central heating system, fireplace, etc.) and places that receive direct sunlight.
We recommend that the room thermostat be placed at an altitude of 50 cm to 150 cm from the floor. You can try a
few places to find the most suitable place.
The wall bracket must be mounted on a flat wall.
Local electrical regulations must be observed.
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 your room thermostat from Wall hanger. Then remove the battery housing from the back side of
thermostat. Install 3V DC (2xAAA) alkaline batteries to battery housing. Please be sure the directions of batteries
Hang your thermostat on the Wall hanger after assemble battery housing back. Change the both batteries
together.
WARNING!
Please throw away dead batteries to trashes special only for batteries.
MAINTENANCE
The device is maintenance-free.
min.50 cm
50 cm-150 cm
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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 has ''Off '' status ''On/''Off'' button needs to be pressed for 3 seconds.
 From the calibration menu which appeared, you may set to any temperature degree by pressing “Adjustment
o o
Buttons”. This value can be arranged between “-8 C and +8 C”
To exit calibration menu please press “On/Off” button once.
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 “Mode” button should be pressed for 3 seconds. If buttons on
thermostat are not touched for 10 seconds,key lock will be reactivated.
DAY AND HOUR SETTINGS
While your thermostat is On,keep pressing “Settings” button for 3 seconds.
At the first screen that appears “Hour” part will be blinking. You may set the time with ‘Up’ and ‘Down’ buttons.
After set the time, “Settings” button needs to be pressed once. For minute setting, minute part will be blinking.
You may set the minute with ‘Up’ and ‘Down’ buttons.
After set the minute, “Settings” button needs to be pressed once to set the day of week.
Days of every week begins with Monday so if you see 1 on the screen it means Monday is chosen. Likewise 2
would be Tuesday, 3-Wednesday, 4-Thursday, 5-Friday, 6-Saturday and 7-Sunday.
When setting is done you may exit by pressing for 3 seconds to “Settings” button.
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MODE SETTINGS
Your room thermostat has got 5 different modes. 3 of them (Comfort, Economy and Holiday Mode) are prepared
and constant modes.Other modes are manual mode and weekly program mode.
In prepared modes, temperature degrees are based on user's choices which has been set in the beginning. Manual
mode provides to operate the thermostat with temperature which user's required and set directly. Weekly program
mode provides to keep operate the thermostat with weekly program which user's set.
 Temperature degrees of prepared modes can be changed on “Settings” menu.
 In order to go to “Settings” menu, “Settings” button needs to be pressed for 3 seconds. Date and time settings
would appear in first screen, to skip it “Settings” button should be pressed for 3 times. Comfort Mode’s
temperature degree would appear and temperature for Comfort Mode can be adjusted by pressing “Up” and
“Down” buttons.
When setting is done, by pressing “Settings” button other modes (Economy and Holiday Mode) can be set.
Pressing “Settings” button for 3 seconds again would close ‘Settings’ screen.
Manual mode temperature can be set by pressing “Up” and “Down” buttons while on home screen.
When “Up” or “Down” buttons are pressed thermostat will be set on Manual Mode.
In order to change to Mode settings you may press “Mode” button.
PROGRAM MODE
You can adjust the weekly operating modes of your room thermostat seperately for each hours per day under
favour of weekly program. Weekly program mode includes 2 active modes. They are “Comfort Mode” and
“Economy Mode”
In order to arrange the weekly program “Program Mode” button needs to be pressed for 3 seconds. On the screen
there will be icons for the day which wants to be programmed, hours of the day and active mode. The hour which
will be programmed will be blinking.
By pressing “Mode” button, chosen mode for that specific hour may be changed.
“Up” and “down” button would allow you to change the chosen time frame and up to the active it can be
programmed.
While setting the weekly program to change the date “Settings” button should be pressed.
When weekly program is chosen on screen or while setting weekly program, if the hours on the screen is blinking,
it means that the chosen hours set on “Comfort” mode. If the hour is not blinking then chosen mode is
“Economy” mode. As for blinking hour means active current time.
After scheduling the weekly program to register it “Program Mode” button needs to be pressed for 3 seconds.
MODES
READY MODES WEEKLY
PROGRAM MODE
MANUAL MODE
Comfort Mode Economy Mode Holiday Mode
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TECHNICAL DATA
CONNECTION DIAGRAM
WARNING!
Only persons who have got Professional Competence should make operations electric wiring or boiler setup.
APPLICATION EXAMPLE
Power Supply
Operating Current
Relay NO Switching Current
Battery Life
3V DC (2 x AAA alkaline battery)
2A (30V DC)
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
Electromagnetic Compatibility Regulatio
Low Voltage Directive
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)
Case colour
Material
300 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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THERMOSTAT OUT
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WARNING!
Please do not connect 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 theelectronic 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.
DIMENSIONS
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136 mm 25 mm
88 mm
OC
C
OC
118 mm
80 mm
6 mm

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