Hep2O 52UH873 Manuale utente
Model: 52UH873
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Table of Contents
What is a Programmable Room Thermostat?
Installation Procedure
LCD Display
Setting the Clock
Temperature Display
Setting the Comfort Levels
Locking the Thermostat
Setting the Temperature
Temperature Hold
Holiday Programming
Frost Protection
Optional Features
Re-calibrating the Thermostat
Factory Reset
Wiring Diagrams
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2Slimline Series1
43 Slimline Series
The best way to do this is to set the room thermostat to a low temperature
– say 18°C , and then turn it up by 1°C each day until you are comfortable with the
temperature. You won’t have to adjust the thermostat further. Any adjustment above
this setting will waste energy and cost you more money.
If your heating system is a boiler with radiators, there will usually be only one
programmable room thermostat to control the whole house. But you can have
(TRVs) on individual radiators.
If you don’t have TRVs, you should choose a temperature that is reasonable for the
whole house. If you do have TRVs, you can choose a slightly higher setting to make
sure that even the coldest room is comfortable, then prevent any overheating in other
rooms by adjusting the TRVs.
You are able to temporarily adjust the heating program by overriding or using the
temperature hold feature. These features are explained further on pages 14 and 15 of
this manual.
so they must not be covered by curtains or blocked by furniture. Nearby electric
properly.
What is a Programmable Room Thermostat?
A programmable room thermostat is both a programmer and a room thermostat.
The room thermostat works by sensing the air temperature, switching on the heating
this set temperature has been reached.
So a programmable room thermostat lets you choose what times you want the heating
to be on, and what temperature it should reach while it is on. It will allow you to select
to meet your particular needs and preferences.
Setting a programmable room thermostat to a higher temperature will not make the
room heat up any faster. How quickly the room heats up depends on the design & size
of the heating system.
down. Setting a programmable room thermostat to a lower temperature will result in the
room being controlled at a lower temperature, and saves energy.
chosen, and then leave it alone to do its job.
65 Slimline Series
1
Installation Procedure
box of 35mm (minimum depth) to be sunk into the wall prior to installation.
Step 1
Carefully separate the front half of the thermostat from the back plate by placing a
Step 2
Place the thermostat front somewhere safe.
Terminate the thermostat as shown in the diagrams on pages 25-29 of this booklet.
Step 3
Screw the thermostat back plate securely into the back box.
Step 4
Clip the front of the thermostat back onto the thermostat back plate.
Do
Mount the thermostat at eye level.
Read the instructions fully so you get the best from our product.
Don’t
Do not push hard on the LCD screen as this may cause irreparable damage.
2
3 4
87 Slimline Series
1. Room Temp - Indicates the current temperature sensor mode.
2. Day Indicator - Displays the current day.
3. Frost Icon - Displayed when the thermostat is in frost protection mode.
4.
5. Temperature Hold - When a Temp Hold is active, HOLD FOR and the remaining
time period is displayed.
6. Set - Indicates when changes are being made to programs or temperature set
points.
7. Holiday Indicator - Displayed when the thermostat is in holiday mode.
8. Current Temp - Indicates the current sensor temperature.
9. Program Cycle Indicator - Displayed during programming only to show which
period is being altered.
10. Keypad Lock Indicator - Displayed when the keypad is locked.
11. Units of Temperature - Degrees Celsius or Fahrenheit.
12. Clock - Digital clock display in 24h format.
LCD Display
12
345
678 91011
12
109 Slimline Series
Setting the Clock
To set the clock, follow these steps.
t With the thermostat turned ON, press the Clock key twice .................................
t Use the Up/Down keys to set the hours ..............................................................
t
t Use the Up/Down keys to set the minutes .........................................................
t
t Use the Up/Down keys to set the day of the week ..........................................
t
Temperature Display
Day
Hours
Minutes
Room Temperature Set Temperature
This is the current room temperature. This is the temperature you are trying to
achieve in your home.
measurement and the target temperature you have set.
1211 Slimline Series
Comfort Levels Explained
The thermostat provides Weekday/Weekend or 7 Day Programming options.
You should consult the “Optional Features”section to select the required mode.
The thermostat is supplied with comfort levels already programmed, but these can be
changed easily. The default times and temperatures are;
08.00 - 21°C (Wake) 09.30 - 16°C (Leave) 16.30 - 22°C (Return) 23.00 - 17°C (Sleep)
If you only want to use 2 levels, you should program the unused levels to --.--
Note: For Weekday/Weekend programming, the 4 comfort levels are the same for all
t To program comfort levels, press Clock once ...................................................................
t Use the Up/Down keys to enter the required WAKE time .......................
t
t Use the Up/Down keys to enter the required WAKE temperature .......
t
t You will now see “LEAVE” displayed on screen.
t Repeat the programming steps for each period until complete.
t For unused periods enter --.-- and the thermostat will ignore the setting.
t
Note:
t In 7 Day programming mode you can repeat for each day independently.
t In Weekday/Weekend programming mode you will see Sat Sun displayed on
screen and can repeat for the weekend.
t To change the programming mode please refer to pages 20-22.
For 7 Day programming,
only Mon is displayed
For Weekday/Weekend programming,
Mon Tue Wed Thu Fri
are displayed on screen.
1413 Slimline Series
Temperature Control
The Up/Down keys allow you to adjust the set temperature .......................
When you press either key, you will see the word SET and the desired
temperature will be displayed on screen.
Use the Up/Down keys to adjust the SET value ..................................................
Press A to and return to main display .............................................
Set Temperature
Set Icon
Locking the Thermostat
The thermostat has a keypad lock facility. To activate the lock follow these steps.
t Press and hold the A and Down keys together for 10 seconds ..........
t You will see the lock symbol appear on screen .............................................
t To unlock, repeat the steps above until the lock symbol disappears.
..
Note: The keypad lock indicator is only displayed when the lock is active.
Note: This override will be maintained until the next programmed comfort level.
Keypad Lock Indicator
1615 Slimline Series
Holiday
Holiday Days
Holiday ON Indicator
Temperature Hold
The temperature hold function allows you to manually override the current operating
t Press H to commence temperature hold ...................................................................
t Use the Up/Down keys to enter the required hold time..............................
t
t Use the Up/Down keys to enter the required hold temperature..............
t
You will see the Hold For indication is displayed on screen.
The time will countdown the set duration and then revert to the normal program.
To cancel temperature hold, follow the same steps but reduce the Hold time to 00:00 hours.
Hold ON Indicator
Hold Time Remaining
Note: A holiday period does not start until 00:00 the next day. For example, if you set
thermostat will revert back to the programmed schedule at 00:00 on Monday.
The holiday function reduces the set temperature in your home to the frost
protection temperature setting (see page 19).
The thermostat will maintain this temperature for the duration of the holiday and will
then automatically return to the program mode on your return.
t Press H three times (until you see the suitcase on screen) .................................
t Use the Up/Down keys to enter the number of days holiday ...................
t
The display will show a suitcase indicating the thermostat is in holiday mode.
To cancel, follow the same steps but reduce the Holiday duration to 00 days.
Thermostat completely OFF Thermostat powered ON
1817 Slimline Series
Pressing the Power button once will place the thermostat in frost protect mode.
In this mode, the thermostat will display the frost icon and will only turn the heating
on should the room temperature drop below the set frost temperature (see page 19).
To cancel the frost protect mode, press the Power button once again.
Frost Protection Mode Enabled
Frost Mode
set temperature but the thermostat remains active.
To turn the thermostat OFF completely, press and hold the Power button..........
The display and heating output will be turned OFF completely.*
To turn the thermostat back ON, press the Power button once again ...................
*See Feature 3 on page 19
Indice
