Watts BT-DRF-02 Handleiding

Watts Thermostaat BT-DRF-02

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PPLIMW15250Ba

BT-DRF-02

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 and maintained by specially trained personnel only.

People 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 terms.

- 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 controller functionality depends on the model and equipment. This installation

leaflet is part of the product and has to be obtained.

APPLICATION

- The thermostats range “BT-DRF-02” has been 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.

Please find the Watts Vision system configuration documentation on:

http://www.wattselectronics.com

Table of content

1 Presentation

1.1 Keyboard

1.2 LED & Display

2 First Installation

2.1 Batteries installation

2.2 RF installation

2.2.1 With receivers

2.2.2 Case of central

2.3 Starting

3 Working mode definition

3.1 Manual mode Comfort

3.2 Manual mode Reduced

3.3 OFF mode

3.4 Anti-freeze mode

3.5 Timer mode

3.6 Reversible mode

3.7 AUTO mode

4 Special function

4.1 Keyboards lock Function

4.2 Open window function

4.3 Humidity measurement

4.4 Visualization

5 Parameter’s menu

6 Technical characteristics

7 Troubleshooting & Solution

8 Advanced installer’s parameters menu

1 Presentation

Electronic 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

- Temporary override function

- Anti freeze function.

- EEPROM non volatile memory

- 2 AAA batteries

- 2 parameter menus (User and Installer)

- Humidity measurement (*)

In option

External sensor with several possibilities of regulation (Floor, combined…)

1.1 Keyboard

Left Navigation key (◄)

Right navigation key (►)

Escape key ( )

Edition key ( )

1.2 LED & Display

Color of “OK” LED when backlight is lit up:

Red Fix: heating demand (**)

Green Fix: cooling demand (**)

Green flash: validation is required

Red flash: error on sensor or batteries

1. Operating mode menu (active mode is framed).

2. Parameter number if “3” is displayed.

3. Installation Parameter menu.

4. Type of used sensor and displayed temperature

Regulation => Internal sensor.

Regulation => Floor sensor (Only available with receiver)

Regulation => Internal sensor with Floor limitation.

Regulation => outside temperature measured by external sensor (connected on the

back of thermostat)

Visualization of the humidity percentage (*)

5. Heating demand indication (**)

6. Cooling demand indication (**)

7. Low batteries indicator

8. °C or °F unit indicator

9. Setting or measured temperature if “4” is displayed.

Give the parameter name/value if “3” is displayed

10. Key lock indicator

11. RF indicator

2 First Installation

This section will guide you to set up your thermostat for the first time.

2.1 Batteries installation

- 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.

2.2 RF installation

Please have a look at the list of all receivers compatible with this thermostat in Technical

Caracteristics section.

2.2.1 With receivers

- First of all to configure your thermostat with the receiver, you must put your receiver in

RF init mode. (refer to the receiver leaflet, only the RF receivers of the same range are

compatibles)

- Press and maintain the edition key during 5s, then the parameter « » must be ( ) INI

displayed.

The thermostat will send now the radio configuration signal to the receiver.

- After few seconds, the thermostat and the receiver should exit by their self the RF init

mode, this is the normal procedure to confirm a correct pairing.

- 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 thermostat status has received.

- Return to the thermostat and switch it off. Check on the receiver again if it’s also

switched 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 rules to be sure. RF init

Remark: 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 1 meter must be

respected).

2.2.2 Case of central (BT-CT02)

The link is done with central (BT-CT02).

2.3 Starting

The thermostat is now ready to work. Default working mode is Comfort mode

3 Working mode definition

Your thermostat has several different working modes to allow you to adjust your unit

according to your life habitudes.

To change the working mode, open the small center

cover to access to the navigation keys or . Move (◄) (►)

the frame cursor on the desired working mode and press

(OK) to enter in the chosen operating mode.

3.1 Manual mode Comfort

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.

Remark: Setpoint in Comfort mode is used in

mode

3.2 Manual mode Reduced

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.

Remarks:

- Setpoint in Reduced mode is used in

mode

- In cooling mode, Reduced mode acts like the OFF mode (system is stopped)

3.3 OFF mode

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 key to display a few seconds the (Ok)

current temperature and time.

Remark: (◄) (►)To exit the operating mode, use the navigation keys or .

3.4 Anti-freeze mode

Use this mode if you want to protect your installation against freezing.

- The anti-freeze setting temperature is fixed and can be adjusted in the parameter

menu number , refer to chapter 5 (Default value 10°C). 06 ‘HG’

Remark: in cooling mode, Anti-freeze mode acts like the OFF mode (installation is

stopped).

3.5 Timer mode

The Timer mode allows you to adjust, the temperature for a special time. After this time,

thermostat will return to older current mode.

- You can first adjust, the desired setting temperature with or , press to (-) (+) (OK)

validate (Default value 24°C)

- In a second time, you can adjust the duration in hours “H” if below 24H, then in day “ ” d

with or , press to start the function. (-) (+) (OK)

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 or use the navigation keys or . (-) (◄) (►)

3.6 Reversible mode

The reversible mode allows you to choose the working mode for your installation.

By pressing on (-) or (+) keys, the selected working mode blinks and can be modified.

The user can choose:

- : the installation operates in heating mode (winter) Hot

- : the installation operates in cooling mode (summer). CLd

During this selection, the status LED will be red color if heating is selected or green color

if cooling is selected.

By pressing (OK) key, you validate you selection. By pressing (◄) or (►) key or the

( ) , key you come back to the current working mode of the thermostat.

Remarks:

- This menu is only available if the parameter “21” has been set to “REv” (refer to

chapter 8)

- This mode is not available if thermostat is linked with a central (BT-CT02)

3.7 AUTO mode

This mode appears when if a central is linked to your installation. In this case, the zone

of the thermostat follows the program created on the Central (BT-CT02).

4 Special function

4.1 Keyboards lock Function

Use this function to prevent all change of your settings (In a child room, public area…)

- To activate the Key lock function, first maintain the escape key pressed and press ( )

simultaneously on the edition key . ( )

- The “ ” logo will be displayed on the screen.

Repeat the same procedure to unlock the key board.

4.2 Open window function

This function is able to stop heating if thermostat detects an unusual decrease of

temperature (open window).

Principle:

If the displayed temperature (internal or ambient sensor) decreases by 3°C or more

during a 5 minutes period (or less), the thermostat stops heating for 15 minutes. If the

temperature continues decreasing, it continues to stop.

During this stop, 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 button during the stop heating (OK)

phase.

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 (refer to chapter 5, parameter 06)

- This function doesn’t work in cooling configuration

4.3 Humidity measurement (*)

Thermostats measure the humidity in the air. This measure allows:

- To regulate the humidity in the air (refer to parameter chapter 8) 34

- To protect your system against condensation (refer to parameter chapter 8). 35

4.4 Visualization

With this function, you can quickly view the current temperatures of the different sensors

connected to your thermostat (floor, remote, external). On the main screen, press

several times on the escape key . This “scroll function” is only available on the main ( )

screen:

You will see in the order of each press:

1/ the setting temperature followed by the thermostat

2/ the ambient temperature

3/ if the external sensor is connected: the outside temperature

4/ the humidity percentage (*)

Remarks :

- refer to chapter 1.2 for icon meanings

- if Parameter “ ” is set on “ ” (refer to chapter 8), the remote sensor will be used as Sen Air

an external sensor.

Minus Key (-) Plus Key (+)

Validation Key (OK) Status LED

PPLIMW15250Ba

5 Parameter’s menu

Your thermostat has a parameter’s menu. To enter in this menu, press and maintain the

edition key during 5 sec. Then parameter menu will appear and first parameter ( )

screen will be displayed

You can select a parameter which must be adjusted with navigation keys or . (◄) (►)

Once the parameter is chosen, toggle the value with the key, modify it with or (OK) (-)

(+) (OK) and confirm your adjustment with .

To leave the parameter menu, choose the parameter « » and press or press End (OK)

Return key ( ).

N° Default value & other possibilities

00 INI: Radio configuration

Radio configuration mode for wireless communication (refer to chapter 2.2)

01 dEG: Unit of the displayed temperatures

°C Celsius

°F Fahrenheit

04 Calibration of the internal probe

The calibration must be done after 1 day working with the same setting

temperature in accordance with the following description:

Put a thermometer in the room at 1.5M distance from the floor and check

the real temperature in the room after 1 hour.

When you enter on the calibration parameter “ ” is displayed on the right no

to indicate no calibration has made.

To enter the value shown on the thermometer, use the or keys to (-) (+)

enter the real value. Then, press to confirm. The message “ ” (Ok) Yes

should be displayed; the value will be stored in the internal memory.

If you need to erase a calibration press on the escape key ( ).

The old value will be erased and the message “ ” will be displayed. no

* Pay attention:

Only the heating element driven by the thermostat must be used during the

complete step of the calibration.

05 Calibration of the external wired probe

Same calibration method as described in parameter 04 above.

06 HG: Anti-freeze temperature

Default value 10°C.

Use the or keys to change the anti-freeze setting temperature. Then (-) (+)

press to confirm. (Ok)

08 Clr: Reset to Factory setting

Press and maintain key during 10s to reset set point temperatures and (Ok)

user parameters in this menu, to factory default settings.

* Pay attention:

Ensure you that you have all necessary elements to re-setup your

installation before to use this function.

09 Displayed only if the BT-DRF-02 is linked with a multizones receiver

CHA—

--: number of the linked zone

10 Software version

11 End: Exit the parameter’s menu

Press key to exit installation parameter menu and return to normal (OK)

operation.

6 Technical characteristics

Environmental:

Operating temperature:

Shipping and storage temperature:

0°C - 40°C

-10°C to +50°C

Electrical Protection

Installation Category

Pollution Degree

IP30

Class II

Temperature precision 0.1°C

Setting temperature range

Comfort, Reduced

Holiday (Antifreeze)

Timer

0,5°C step

5°C to 37°C

0,5°C to 10,0°C

5°C to 37°C

Regulation characteristics Proportional Band (PWM 2°C/10min)

or Hysteresis 0.5°C

Power Supply

Operating life 2 AAA LR03 1.5V Alkaline ~2 years

Sensing elements:

Internal & External (option)

Internal: NTC 10k



at 25°C

External: NTC 10k at 25°C (ß = 3950) 

Radio Frequency 868 MHz, <10mW.

Software version Showed in parameter menu.

Vers xxx

Compatible receivers

BT-M6Z02 RF

BT-FR02RF

BT-WR02RF / BT-WR02HC

BT-PR02RF

BT-CT02

Other receivers can be compatible, check

on the instruction manual of your receiver

CE Directives

Your product has been designed in

conformity with the European Directives.

R&TTE 1999/5/EC

EMC 004/108/EC

RoHS 2011/65/EU

Product conformed to :

Classification :

Contribution :

UE 811/2013 and 2010/30/UE

(2%)

7 Troubleshooting & Solution

My BT DRF-02 doesn’t start

Batteries Problem

- Check if the protection sticker on the batteries is removed.

- Check the batteries orientation.

- Check the capacity of the batteries

My BT DRF-02 Led, blinks in Red

Problem on sensors

The logo blinks (ambient sensor)

- Contact your installer or seller.

The logo blinks (Floor sensor)

- Check the connection of the sensor.

- Disconnect the sensor, and check it with an ohmmeter (the

value must be around 10kohms)

Batteries level is too less

The logo blinks (Batteries)

- Replace the batteries.

Humidity measurement

problem (*) The logo blinks and the thermostat displays ‘Err »

- Contact your intaller

My BT DRF-02 seems work correctly but the heating or the cooling doesn’t

work correctly

Output

On the receiver:

- Check the good reception of RF signal (

refer to

chapter

2.2.1)

- Check the connections.

- Check the power supply of the heating element.

- Contact your installer.

communication

Check the following points :

- The receiver must be put at a minimum distance of 50cm

of all others electrical or wireless materials (GSM, Wi-Fi..)

- The receiver shouldn’t be fixed on a metallic part or too

close of hydraulic pipes… (Copper…)

Sensor calibration

- Try to calibrate your thermostat (

refer to

user menu

parameter ) 04

- Contact your installer, to check & adjust the regulation

parameters with your heating system.

Configuration

The logo blinks :

- Cooling request is made by the central (BTCT02) but

the thermostat doesn’t allow (refer to parameter 21

chapter 8).

Humidity protection

(*)

The logo blinks:

- humidity regulation is activated (refer to parameter 34

chapter 8)

- condensation is detected (refer to parameter chapter 8) 35

8 Advanced installer’s parameters menu

In order to enter in the menu, press on the escape key during 5 seconds

The following display with the first parameter appears:

- Once you entered in the menu, go to the parameter which you want change by using

the keys or . (◄) (►)

- Use the keys or to edit and modify and confirm by pushing the key. (+) (-) (OK)

- To leave the parameter menu, go to the parameter “ ” and press the keyEnd (OK)

Parameters Installer’s Advanced Menu

N° nam

Description of the

parameter

Factory

value Other possibility

20 REG Selection of the sensor used

for the regulation.

“AIR”

Internal

ambient

sensor

“amb”

External ambient

sensor

Following options

aren’t available with all

receivers:

“FLR”

Floor sensor

regulation

“FL.L”

Air regulation with

floor limitation

possibilities

(refer to parameters

25&26)

21 MOd Working mode selection of

the thermostat

“Hot”

Heating

mode

“Cld”

Cooling mode

“rEv”

reversible menu

activation

“Aut”

Automatic mode

(**) Cld

Use this option if you want

to allow the zone to work in

cooling mode

“yes”

Function

activated

“no”

Function deactivated

View of the measured

values of the internal

sensor.

“__._” °C/°F

View of the measured

values of the external

(Ambient) sensor.

“__._”°C/°F

View of the measured

values of the floor sensor

connected to the receiver.

“__._”°C/°F

25 FL.L Lower limit of the floor

temperature.

“no”

The lower

limitation is

not used

From 5°C to

“FL.Hi”

26 FL.H Upper limit of the floor

temperature.

“no”

The upper

limitation is

not used

From to 40°C “FL.Lo”

27 tYP Selection of regulation type.

“bp”

Proportional

band

(PWM)

“hys”

Hysteresis (On/Off)

28 UF1 Concrete choice.

“uf1”

For liquid

concrete

with low

thickness

< 6cm

“uf2”

For traditional

concrete with

thickness

> 6cm

29 Bp1 Floor covering choice. “Bp1”

For tiling

“Bp2”

For wood parquet

(floating or not)

30 Uir

Pilot wire function for

French Market application

Use this option if your

installation has the pilot wire

installed in combination with

an energy saver.

“yes”

Function

activated

“no”

Function deactivated

31 min Minimal value of the setting

range. 5.0°C From 5°C to 15.0°C

32 MAX Maximal value of the setting

range. 37.0°C From 20°C to 37.0°C

33 Uin

Automatic open window

detection.

(refer to chapter 4.2)

“yes”

Function

activated

“no”

Function deactivated

34(*) rH Percentage value of the

humidity setting 55% From 0% (“no”) to

100%

35(*) dEv

Anti-condensation function

(when condensation is

detected, cooling system is

stopped or/and dehumidifier is

activated)

“yes”

Function

activated

“no”

Deactivated function

36 EEp

All parameters will be

reloaded with the factory

values

Press on the key during few (OK)

seconds.

37 End To exit the installer’s menu Press on the to exit. (OK)

(*):concerns version with humidity sensor

(**):concerns thermostat if it is linked with a central (BT-CT02) or with a BT-M6Z02 RF

http://www.wattselectronics.com

Product specificaties

Merk:	Watts
Categorie:	Thermostaat
Model:	BT-DRF-02

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