euroster 2510 - RO INSTALATII

euroster 2510 - RO INSTALATII
Congratulations on the purchase of your new Digital Thermostat. Thanks to the latest microprocessor
technology, the thermostat offers many convenient and energy-saving features. Please read the following
instructions fully before installing your thermostat.
B: Overview of features & functions
Your Digital Thermostat incorporates preset daily programs to suit different user lifestyles. The
thermostat can be programmed easily to accommodate exacting user needs. This user guide shows how
to get the best from your Digital Thermostat. It is powered by 2 x AA batteries and can replace most
domestic thermostats.
Caution! The Digital Thermostat has been designed to switch a 230VAC supply. The maximum load is 6
Amps (resistive)/ 2 Amps (inductive).
Caution! Electricity can be lethal. Before beginning any work, ensure that the electricity supply is turned
off at the mains. If in any doubt, contact a qualified electrician. If you currently have a thermostat
connected by two wires, you can replace it directly with your new Digital Thermostat. If you are not
replacing an existing thermostat, you must install a two-wire cable to your heating system.
1. Before carrying out any installation work, choose an appropriate location for Digital Thermostat
using the following guidelines:
a) Mount the Digital Thermostat approximately 1.6m above the
b) Only mount on interior walls (the thermostat is not for
outdoor use)
c) Avoid any location where the Digital Thermostat could be
exposed to direct sunlight.
d) Avoid any location in proximity to a heater, cooker, ventilation
outlet or any appliance/fitting that generates heat.
e) Avoid any location where there may be concealed boilers, pipework or chimney flues.
f) Mount away from doors and the corners of rooms.
2. Detach the front cover by sliding it to the left. Remove screw in battery compartment. Open the
front housing from the base by lifting from the left hand side.
3. Unscrew the retaining screw to open the protective cover.
4. Mount the Thermostat base on the wall in the desired location, ensuring that the hole in the wall
is completely covered by the base. Check the wires come in through the protective cover hole.
5. Connect the two wires into terminals 1 & 2. The standard connections are shown on the pictures
(without neutral and earth conductor)
Note! If the existing installation has neutral or earth conductors, these must not be connected to
the Digital Thermostat. They must be made electrically safe.
Reattach the protective cover to the Digital Thermostat's base and secure it with the retaining
Reattach the front housing to the Digital Thermostat's base and secure it with the retaining
Insert 2 x AA batteries making sure they are the right way round as indicated and replace the
front cover.
Note: when replacing the batteries, the programs are held in memory for approx. 20 seconds
Press the RESET key once and ensure the Digital Thermostat is in the INITIAL mode
LCD display
Familiarise yourself with the LCD panel and the keys before programming.
Key function:
- to enter programming mode
- to view the Temperatures
- to enter TIME and DAY adjustment mode
- to reset the unit to INITIAL mode
- to turn the thermostat ON/OFF
- to enter Vacation mode.
- to confirm setting
- temporary TEMPERATURE OVERRIDE mode/ increase value adjustment
- temporary TEMPERATURE OVERRIDE mode/decrease value adjustment
Operation and Programming
1. To set clock and day:
After inserting the batteries, or pressing the RESET key or
key. The
thermostat will enter TIME ADJUSTMENT mode and the HOUR will start
to flash. Press the + or - keys to adjust the HOUR setting. Press
to confirm setting. The MINUTE will now flash, press + or - Key to
adjust MINUTE. Press
key to confirm setting. The DAY will now flash,
press + or - key to adjust day. Press
key to confirm setting. This will
confirm the setting of clock and day. The display will return into running
mode. E.g. if the clock at 8:30 FRIDAY and the room temperature is 25
The Digital Thermostat is a weekly programmable thermostat, with 7
day/24 hour programs that can be set as required. For each hour you can set the Digital
Thermostat so that either the CT
ET (EVENING) temperature mode
operates. The Digital Thermostat comes with a preinstalled program that will accommodate many
users' requirements
Heating & Air-Conditioning Program
Reviewing preset program
To review the settings for the pre-installed program, press
to enter the PROGAMMING mode. The
preset program for Monday will show - 0:00 is displayed. Press +/- to show the temperature mode
setting (either COMFORT or EVENING) for each hour.
For example, the Monday program has:
ET (EVENING temperature mode) 0.00 to 5.59 (Midnight to 5.59am) and 8.00 to 15:59 (8am to 3.59pm)
CT (COMFORT temperature mode)6.00 to 7.59 (6am to 7.59am) 16.00 to 22.59 (4pm to 10.59pm)
Note: 23.00 to 0.00 (11pm to Midnight) is set to ET (EVENING temperature mode).
Press the
key and next day's temperature setting will be displayed. As before, use the + /- keys to
show which temperature mode is operating for each hour. Repeat this procedure until Sunday has been
reached. Press the
key to return to the RUNNING mode.
Changing the preset program
The preset program can be adjusted to meet your requirements. Press the
key to enter the
PROGRAMMING mode. Press the
key to select the day you wish to adjust the program for. Use the +
/- keys to select the hour you wish to adjust. Press
to change the temperature mode.
For example, to change 12pm to 4.59pm on Saturday from COMFORT to EVENING temperature mode:
Press the
to enter the PROGRAMMING MODE.
Press the
key repeatedly until Saturday is displayed.
Press the + key repeatedly until 12.00 with CT is displayed.
Press the
key - CT will change to ET.
Press the + key so the display advances to 13:00 and press the
so that CT changes to ET.
Press the + key so the display advances to 14:00 and press the
so that CT changes to ET.
Press the
key to confirm the setting. The display will advance to Sunday - press the key again to
return to the RUNNING mode.
Note: do not set a program using 0.00 as either a start or end time. Set programs to begin or end at
23:00 or 1:00. The thermostat may not operate correctly if 0:00 is used.
Viewing and changing the preset temperatures
Each temperature mode is set at the following values:
Press the
key to view CT or ET temperature mode.
to view the CT setting or
to view the ET setting (from the CT setting). With the temperature
setting flashing, press +/- to change the temperature setting. Press the
key to confirm the setting
and return to the RUNNING mode.
Setting the temporary manual override for temperature
Temporary manual override allows you to override the existing temperature setting for any period from 1
to 48hrs. Press the +/- key to enter the MANUAL OVERRIDE TEMPERATURE mode. The temperature
reading on the LCD panel will flash.
Use +/- to set the desired temperature.
to confirm the new temperature.
H1 will show on the LCD panel and flash (indicating a 1 hour override). Use the + key to increase this up
to a maximum of 48 hours as required.
the key to confirm.
Overriding the temperature mode (temporarily)
You can override the programmed CT (COMFORT) or ET (EVENING) temperature mode (i.e. CT instead of
ET, or vice versa) until the temperature mode is programmed to activate again. If the thermostat is
currently running in ET mode, press the
key to change to CT mode the thermostat will run CT mode
until the next ET program period activates. Similarly if CT is running, press the
key to change to ET
mode. The thermostat will continue to run in ET mode until the next CT program period activates.
Note: the first hour of override will only run for a maximum of 45 minutes. Each subsequent hour of
override will function for the full hour. For example, 2 hours of override will function for 1 hour 45
Setting permanent/vacation temperature override
The Digital Thermostat program can be overridden to give one constant temperature for any period
between 1 and 99 days. This is particularly useful if you are going on holiday. Press the
key and the
day bar on LCD will flash. Use the +/- keys to set the number of days override required. Press the
key to confirm. Use the +/- keys to select the required temperature. Press the
key to confirm.
Note: If using the vacation mode for frost protection, some areas of the heating system may be in an
exposed location outside the area monitored by the Digital Thermostat.
Cancelling overrides
Should you wish to cancel either the manual, temporary or permanent/vacation override, press either the
key to return to the RUNNING mode. Alternatively, press
to turn the Thermostat off.
Resetting the Digital Thermostat
Should you wish to return the Thermostat to its original preset program (and erase any changes you have
made) simply press the RESET key.
Further adjustment
The Digital Thermostat incorporates twin DIP switches on the circuit board at the rear of the front
DIP switch 1 adjusts the sensitivity of the thermostat. In the DOWN position if the temperature
variation is greater than 0.5°C the thermostat is activated. In the UP position it will activate if the
variation is greater than 0.2°C.
DIP switch 2 switches between HEATING and AIR CONDITIONING. DOWN position selects HEATING
control, UP position selects AIR CONDITIONING control.
Sensor operation
Your Digital Thermostat uses an advanced NTC thermistor to detect the temperature, located on
the lower left-hand side of the circuit board. If the sensor is accidentally touched, you must allow a few
minutes for the sensor to return to the normal temperature. The sensor measures the temperature once
a minute.
Technical specifications
Temperature measuring range:
0 - 40°C
Temperature control range
5°C - 30°C
2xAA (1.5VDC)
Temperature scale division
0,4°C or 1°C
Rated switching power
250V, 6A resistive load, 2A inductive load
Minimum ON time:
In heating mode: 1 mins
In air conditioning mode: 3 mins
Dimentions: length/width/height
Operating temperature (of environment)
0°C – 45°C
Ingress Protection
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