Watts Industries BT-DPRF-02 User manual

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BT-DPRF-02

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USER GUIDE GB
RF Digital programmable Thermostat 3-30
GUIDE D’UTILISATION FR
Thermostat digital programmable RF 32-60
BENUTZERHANDBUCH D
Programmierbarer Digitalthermostat RF 62-91
MANUAL DE USUARIO ES
Termóstato digital programable RF 92-120

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IMPORTANT!
Before starting work the installer should carefully read this
Installation & Operation Manual, and make sure all
instructions contained therein are understood and
observed.
- The thermostat should be mounted, operated and
maintained by specially trained personnel only. Personnel
in the course of training are only allowed to handle the
product under the supervision of an experienced fitter.
Subject to observation of the above terms, the manufacture
shall assume the liability for the equipment as provided by
legal stipulations.
- All instructions in this Installation & Operation manual
should be observed when working with the controller. Any
other application shall not comply with the regulations. The
manufacturer shall not be liable in case of incompetent use
of the control. Any modifications and amendments are not
allowed for safety reasons.
The maintenance may be performed by service shops
approved by the manufacturer only.
- The functionality of the controller depends on the model
and equipment. This installation leaflet is part of the
product and has to be obtained.
APPLICATION
- The thermostats BT-DPRF-02 are developed to control
and manage all type of Electrical heating system or
materials.
- The controllers have been designed for use in residential
rooms, office spaces and industrial facilities.
Verify that the installation complies with existing regulations
before operation to ensure proper use of the installation.

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Table of content
1Presentation..................................................... 5
Keyboard.......................................................... 6
1.1
LED & Display..................................................6
1.2
2First Installation................................................ 7
Batteries installation......................................... 7
2.1
Time and Date adjustment............................... 8
2.2
RF installation..................................................8
2.3
Starting.............................................................9
2.4
3Working mode definition.................................10
Autonomous working ..................................... 11
3.1
3.1.1 Manual mode Comfort ..................................11
3.1.2 Manual mode, Reduced ................................ 11
3.1.3 OFF mode ..................................................... 12
3.1.4 Automatic mode.............................................12
3.1.5 Program mode ..............................................12
3.1.6 Holiday mode.................................................17
3.1.7 Timer mode ................................................... 17
In combination with Central ........................... 18
3.2
4Special function.............................................. 18
Keyboards lock Function ............................... 18
4.1
Open window function.................................... 19
4.2
Information..................................................... 19
4.3
5Parameter’s menu.......................................... 20
6Technical characteristics................................23
7Troubleshooting & Solution............................ 24
8Advanced installer’s parameters menu .......... 26

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1 Presentation
Electronic programmable thermostat with LCD display
specially designed to control different type of heating
systems.
It will be your best partner to optimize your energy
consumption and increase your comfort.
- Modern design with soft touch material.
- Wireless Bidirectional communication 868 MHz.
- “Easy program creation” function.
- Weekly programmable by step of 30min.
- Temporary override function.
- Anti freeze function.
- Holiday or Reception function.
- EEPROM non volatile memory.
- 2 AAA batteries for 2 years operating life.
- 2 parameter menus, (User and Installer)
- 3 types of receivers for all possibilities of uses.
In option
External sensor with several possibilities of regulation.
(Floor, combined…)
+
+
-
-

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Keyboard
1.1
Left Navigation key (◄)
Right navigation key (►)
Escape key ( )
Edition key ( )
LED & Display
1.2
Red Fix: Heating demand (when backlight is lit
up):
Green flash: your validation is required
Red flash: Error on sensor or batteries
Minus Key (-)
Plus Key (+)
Validation Key (OK)
Status LED
1 2
3
4
5
6
7
8
9
12 11 10
15
14
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1: Current day of the week
2: Operating mode menu (active mode is framed).
3: Program number or parameter number if “4” is
displayed.
4: Installation Parameter menu.
5: RF transmission logo.
6: Type of sensor used and temperature displayed.
Regulation => Internal or external sensor.
Regulation => Floor sensor.
(Only available with receiver)
Regulation => Internal sensor with Floor
limitation.(Only available with receiver)
7: Heating demand indication.
8: Low batteries indicator.
9: °C or °F unit indicator
10: Setting or measured temperature if “5” is
displayed. Parameter value if “4” is displayed.
11: Temporary override function activated.
12: Time or parameter title if “4” is displayed.
13: Program of the current day
(the current time bar blinks)
14: Pictogram for program creation, program state in
normal operating mode.
15: Key lock indicator.
2 First Installation
This section will guide you to set up your thermostat for the
first time.
Batteries installation
2.1
- Open the two side’s covers and Insert the 2 AAA Alkaline
supplied batteries (or remove the small protection sticker if
the batteries are already installed in the compartment)
- Close the two side’s covers.
- Now your thermostat will propose you to adjust the
current time and date.

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Time and Date adjustment
2.2
Each time a value blinks, you can adjust it with the (-) and
(+) keys, once the value is chosen, validate it with the (OK)
key. The thermostat will jump automatically to the next
value.
Note: you can always come back to the previous value by
pressing the escape key ( ).
List order of the time and date adjustments:
Time and day:
Adjustment of the hours,
Adjustment of the minutes
Adjustment of the day (1 = Monday)
Date:
Adjustment of the day number
Adjustment of the month number (01 to 12)
Adjustment of the year
Then the message “Save” and blinking green LED
appears, press (OK) to validate the adjusted time and date.
You can always reach the time and date adjustments, by
pressing and maintaining the edition ( ) key during 2
seconds in normal operating modes.
RF installation
2.3
With receivers
2.3.1
- First of all to configure your thermostat with the receiver,
you must put your receiver in « RF init ». mode. (please
refer to the receiver leaflet for this, only the RF receiver of
the same range are compatibles)
- Now on the thermostat press and maintain the edition key
() during 5s, then the parameter « RF ini » must be
display.
The thermostat will send now the radio configuration signal
to the receiver.

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- After few seconds the thermostat and receiver should exit
by their self the RF init mode, this is the normal procedure
to confirm a correct pairing.
- Now you can check the RF distance, go to the room
which must be regulated. Put your thermostat on the final
position (On the wall or table...), then put the thermostat in
Comfort mode (setting temperature position 37°C). Close
the door and go to the receiver to check if the new status of
the thermostat has received. (The heating is generally
showed by a Red LED on the receiver).
- Now return to the thermostat and switch off it. Check on
the receiver again if it’s also switched off (The red LED
must be turned off)
If the RF signals were received correctly, adjust your
setting temperature as you want.
If the RF signals weren’t received correctly, check the
installation (Receiver position, distance...) or restart the RF
init rules to be sure.
* To make the installation easier it will be better to have the
thermostat near to the receiver during the configuration
mode. (A minimal distance of > 1meter must be respected)
Case of Central
2.3.2
The link is done with central
Starting
2.4
The thermostat is now ready to work.
The default working mode will be automatic with a
standard built-in program “P1”.
Monday to Friday
20°C
18°C
07:00 09:00 17:00 23:00

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Saturday & Sunday
20°C
18°C
08:00 23:00
Note:
You can customise your program as you want, See the
next part “Working mode definition” chapter “Program”
for more explanation.
At any time, when the backlight is extinct, press the (OK)
key to lit-up the backlight,
and then press another time the (OK) key to show the
current setting temperature.
3 Working mode definition
Following your installation (Unit installed) your thermostat
will offer different possibilities.
- Following the model of receiver linked with your
thermostat, you will have also different possibilities for the
working and regulation (Floor regulation, air regulation
combined with floor limitation, Pilot wire function…)
Curent stage
of the
program
Curent
time
Progra
m
followe
d

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Autonomous working
3.1
(Available with all receiver models)
Your thermostat has several working modes to allow you to
adjust your unit according to your life habits.
How to change the working mode?
- Open the small center cover to have access to the
navigation keys (◄) or (►).
- You can now press theses keys to display the working
mode line.
Move the frame cursor on the desired working mode and
press (OK) to enter in the operating mode you have
chosen.
Manual mode Comfort
3.1.1
Manual working mode, the comfort setting temperature will
be followed all the time.
By pressing (-) or (+) keys, the comfort setting temperature
starts to blink and can be adjusted.
Manual mode, Reduced
3.1.2
Manual working mode, the reduced setting temperature will
be followed all the time.
By pressing (-) or (+) keys, the reduced setting temperature
starts to blink and can be adjusted.

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OFF mode
3.1.3
Use this mode if you need to switch off your installation.
Be Careful:
In this mode your installation can freeze.
- At any time, when display is off, press on the (Ok) key to
display a few seconds the current temperature and time.
- To restart your installation, use the navigation keys (◄) or
(►).
Automatic mode
3.1.4
In this mode the thermostat will follow the chosen program
(Built-in or customized) according to the actual time and
the Comfort and Reduced setting temperatures.
You can easily override temporarily the current program by
pressing (-) or (+). The thermostat jumps to Timer mode in
which you select a setpoint and a time. The thermostat
returns automatically to the Automatic mode at the end of
the time.
Program mode
3.1.5
When you enter in the Program mode, the first operation is
to chose the program number with (-) or (+) keys.
You can choose between a built-in program P1 to P9 or a
user program U1 to U4.
Current
day
Program
of the day
Program
followed

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If you chose a Built-in program P1 to P9,
You can only see and chose the program.
P1: Morning, Evening & Weekend
P2: Morning, Midday, Evening & Weekend
P3: Day & Weekend
P4: Evening & Weekend
P5: Morning, Evening (Bathroom)
P6: Morning, afternoon & Weekend
P7: 7H –19H (Office)
P8: 8H –19H & Saturday (Shop)
P9: Weekend (Secondary house)
(See the Annexe parts to view a complete description of
the Built-in program)
- Use the navigation keys (◄) or (►) to change the
program day displayed.
- Press the (OK) key to confirm your choice and come back
to the main screen (in AUTO mode)
If you chose a user program U1 to U4,
As above you can choose the program, see it,
but you can also customise it.
Default setting:
U1, U2, U3, U4 = Comfort all week
- Press on the edition key ( ) to customise a user program.
Symbols and explanation for program creation:
First step of the day ( Comfort temp.)
The wakeup hour need to be adjusted.
Middle step of the day ( Reduced temp.)
The leaving hour need to be adjusted

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Middle step of the day ( Comfort temp.)
The comeback hour will need to be adjusted
Last step of the day ( Reduced temp.)
The sleeping hour need to be adjusted
- The program step is 30 minutes
- Each time a value or icon blinks you are invited to make a
choice with (-) or (+) keys,
once the choice is made press the (OK) key to jump to the
following step.
- The program creation will always start with the day 1
(Monday).
Once you have pressed the () key, the following display
will appear:
Now you are invited to adjust the hour of the first step of
the program with (-) or (+),
Press (OK) to validate and go to the following step.

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Now you are invited to choose the type of the next step of
the program (blinking icons),
2 choices will be possible:
- 1st choice is to choose the sleep icon. (End of the day)
- 2nd choice is to choose the leaving icon, to add one step
to the program during the day.
When the choice is made, press (OK) to validate.
Then you can adjust the step hour with (-) or (+),
When step hour is set press (OK) to jump to the next step.
You will be directly invited to adjust with (-) or (+) the hour
of the comeback step.
Press (OK) to validate and go to the following step.
You are again invited to choose the type of the next step of
the program (blinking icons),
2 choices will be possible:
- 1st choice is to choose the sleep icons. (End of the day)

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- 2nd choice is to choose the leaving icons, to add another
step to the program during the day.
When the choice is made, press (OK) to valid and you can
adjust the hour of this step with (-) or (+),
Press (OK) to validate and finish the edition of the first day.
Now you can choose to copy the program day just created
to subsequent days.
Change the choice “Yes” or “no” with (-) or (+) and validate
your choice with (OK).
- If you select “no”, you will be invited to create a program
for Tuesday (repeat the previous method to built it.)
- If you select “Yes”, you will have the possibility to copy
the program to the following day (on Tuesday on
Wednesday... up to the last day of the week
(7 Sunday).
When you press (OK) on the last day (7 Sunday) you will
be invited to “SAVE” your program.
Then the message “Save” and blinking green LED
appears:
Press (OK) key to save your program and return to AUTO
operating mode following your user program.
Press the escape key ( ) to erase your user program
changes and come back to operating mode.

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Holiday mode
3.1.6
The Holiday mode allows you to set the anti-freeze
temperature for a selected number of days
- You can adjust, the duration in day “d” with (-) or (+),
press (OK) to start. (Adjustable 1 to 99 days)
- The anti-freeze setting temperature is fixed and can be
adjusted in the parameter menu number
06 ‘HG’, see chapter 6. (Default value 10°C)
The logo will blink and the number of days left is
displayed until the end of the period.
If you want to stop the Holiday function before the end, set
the duration period to “no”with (-) key.
Timer mode
3.1.7
The Timer mode allows you to adjust, the temperature and
the duration for a special time.
This function can be used when you stay at home for
several days, or if you want to override the program for
some time (reception...)
- You can first adjust, the duration in hours “H” if below
24H, then in day “d” with (-) or (+), press (OK) to validate.
(Adjustable 1 Hour to 99 days)
- In a second time, you can adjust the desired setting
temperature with (-) or (+), press (OK) to start the function.
(Default value 22°C)
The logo will blink and the number of hours /days left is
displayed until the end of the period.
If you want to stop the Timer function before the end, set
the duration period to “no” with (-) key.

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In combination with Central
3.2
If your thermostat works in combination with a wireless
Central, it will become a remote unit.
All the working will be now done on the Central, you can
view all information sent by the Central or by the receiver
and also change the room setting temperature from this
unit.
Screen shot of thermostat in combination with the wireless
Central.
Note: the time will be also sent by the Central, then all your
installation will be synchronized with the same time.
4 Special function
Keyboards lock Function
4.1
Use this function to prevent all change of your settings (In a
child room, public area…)
- To activate the Key lock function, first press maintained
the escape key () and then press simultaneously on the
edition key ( ).
- The “ ” logo will be displayed on the screen.
- Repeat the same procedure to unlock the key board.

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Open window function
4.2
Conditions of open window detection:
The thermostat detects an "Open window" if the displayed
temperature (internal or ambient sensor) decreases by 3°C
or more during a 5 minutes period (or less).
In this case, the thermostat stops heating for 15 minutes.
The function remains active during those 15 minutes so the
stop can last more time if the temperature continues
decreasing.
As an indicator of this function, the room temperature will
blink.
Return to normal mode:
The thermostat returns automatically to normal mode after
the stop period.
The function can be overridden by pressing the (OK)
button during the stop heating phase.
Then the blinking temperature should stop to indicate the
end of the detection.
Special cases:
- This function doesn't work if Thermostat is in Floor
regulation
- This function doesn't work if Thermostat is in OFF /
Antifreeze Mode
- If temperature is less than 10°C, thermostat will regulates
at 10°C during the stop phase
Information
4.3
With this function, by several presses on the escape key
( ), you can quickly view all currents temperatures of the
probe sensors connected to your thermostat or your
receiver linked (room, Ambient or Floor sensors)
This “Scroll function” is only available in the main screen.
You can view alternatively:
- Current setting point temperature.
- Room temperature.
- Ambient temperature (if external sensor connected)
- Floor temperature (with receiver only)

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5 Parameter’s menu
Your thermostat has a parameter’s menu, in order to enter
in this menu, press and maintain the edition key ( ) during
5sec. Then parameter menu will appear and first parameter
screen will be displayed:
Now you can select a parameter which must be adjusted
with the navigation keys (◄) or (►), once the parameter
chosen, toggle the value with the (OK) key, modify it with (-
) or (+) and confirm your adjustment with (OK).
To leave the parameter menu, choose the parameter
« End » and press (OK).
N°
Default value & other possibilities
00
RF INI: Radio configuration
Sends the radio link signal in order to assign
this RF Thermostat with it’s RF receiver.
You also need to set simultaneously the
receiver in radio configuration mode (On a
simple receiver press and maintain button until
the green light lit’s up, see receiver leaflet)
01
dEG: Unit of the temperatures displayed
°C Celsius
°F Fahrenheit
02
__:__ Selection of the Time clock unit
24H (24:00)
12H (12:00 AM /PM)
03
dst: Daylight Summer time change Summer<-
>Winter
YES automatic change according to date.
no no daylight summer time automatic
change.