Manual Elektrobock PT 712 (page 5 of 8) (English)

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DIGITAL

THERMOSTAT

FOR FLOOR HEATING

MADE IN CZECH REPUBLIC

•including external sensor

•backup in case of voltage failure > 100 hours

•direct installation on junction box

•well-arranged backlit display

VENUS switch design

PT712-EIPT712-EI

COM NO

DESCRIPTION

PT712-EI is a digital thermostat with a room and ﬂ oor sensor, specially designed for electric ﬂ oor heating

control. The internal-external sensor combination enables the regulation of:

1) ﬂ oor temperature (external sensor) - suitable, for instance, for bathrooms where a warm ﬂ oor is

desirable, irrespective of the room temperature;

2) room temperature (internal sensor) - when comfortable room temperature is required;

3) combined (both sensors) - the internal sensor scans the room temperature, while the

external one monitors the maximum ﬂ oor temperature;

comfortable room temperature is required, however, with

simultaneous monitoring of the ﬂ oor temperat

(suitable for wooden

and laminated ﬂ oors).

Another advantage is simple installation in the KU/KP68 junction boxes by means of the PLUG-IN

system, as well as the possibility of setting 2 weekly programs with 6 temperature changes per day.

INSTALLATION AND LOCATION

Install the thermostat in a suitable place (minimum height of 1.2-1.5 m above the ﬂ oor) where its operation

will not be affected by direct hot/cold air ﬂ ow, sunshine or other disturbing inﬂ uences. Do not mount the

thermostat on an exterior wall either. In rooms with increased humidity (bathroom, kitchen), observe valid

standards and install the thermostat as far from the bathtub, shower, basin or sink as possible.

The external ﬂ oor sensor

(type CT04-10k, CYXY 2 x 0.5 mm, 10 k:, lenght 3 m, PVC plastic case)

must be located in a ﬂ exible plastic tube embedded in the ﬂ oor, as near to the surface as possible. The

tube must be sealed and protected against in-leak of building materials so that the ﬂ oor sensor can be

replaced easily, if need be. It must not run parallel with power conductors! It can be extended to

a maximum length of 30 metres. The installation can only be done by a properly qualiﬁ ed person!

Disconnect power supply before installation!

1) Switch off the main circuit breaker.

2) Check that the junction box is placed parallel with the wall.

3) Separate the power part of the thermostat from its microprocessor (main) part; see Fig. 1.

4) Pull the connecting terminals out of the thermostat rear part, see Fig. 2.

5) Connect conductors to the terminals acc. to the wiring diagram below, see Fig. 3.

6) Insert the terminals into the thermostat terminals and fasten the power part to the junction

box, see Fig. 4 and 5.

7) Insert the main part connector into the power part and push it; the metal springs must

ﬁ t in the given holes, see Fig. 6 and 7.

8) Switch on the main circuit breaker; the thermostat is ready for operation. LCD backlight becomes active only

after charging the backup battery (up to 24 hours).

9) Set the constant 4 (page 6) according to the load, this could cause an inaccurate display of the current

temperature.

Note: We recommend you test correct connection after installation, see the TEST function (page 7).

Wiring diagram:

Fig. 1

When using the low tariff

L‘ = disconnected phase

power part main part

PULLPULL

connecting

terminals

HEATING

NTC 10k NTC 10k

* P= max. 2760 W

DESCRIPTION OF LCD AND CONTROL BUTTONS

1, Current date (in the Prog mode, selection of number of days for

programming)

2, Operating modes: OFF/PROG/AUTO/MANU/case=HOLIDAY

3, Current room temperature

4, Indication of room temp. measurement by the exter. sensor.

5, Heating on indication

6, Button lock indication

7, CLOC mode indication (current date and time setting)

8, Required temperature and current time display / listing of operating

modes (this line is explained in detail with every mode)

9, Battery supply indication (in case of 230V/50Hz voltage failure,

it is functional only after 1 day of operation, when the backup

battery is charged!)

10, Indication of setting the external sensor as the ﬂ oor one

11, Anti-freeze temperature of 3 °C

button:

short press = opens the main menu and

conﬁ rmation (ENTER)

long press (approx. 3 sec.) = back from the

main menu

/ button:

basic mode = opens info

main menu =browse and set current values

simultaneous press of the

and

buttons (in basic mode) = key lock

simultaneous press of the

and

buttons (in basic mode) = key unlock

simultaneous press of the

and /

buttons (in main menu) = return to basic mode

Note: The LCD backlight is activated by pres-

sing any button!

Fig. 2 Fig. 3 Fig. 4

Fig. 5

Fig. 6

Fig. 7

NO COM

PULL out the connecting terminals.

Connect according to the wiring diagram.

PUSH the connecting

terminals in.

Screw the power part to

the junction box.

Connector and holes

for metal springs.

PUSH the

main part

onto the

power part.

OPERATING MODES

By pressing any button, you activate the display backlight (if the backlight is not working,

batteries are not charged and it is necessary to recharge the thermostat about 1 days).

Next, pressing the

button brieﬂ y, you enter the main menu, in which you can choose

the operating modes.

AUTO

The thermostat works according to the preset weekly program.

Press the

button and choose the AUTO mode with

the / buttons. Press

to conﬁ rm.

MANU

The thermostat works according to the preset temperature, which

remains constant until the next manual change.

Press the

button and choose the MANU mode with the

/ buttons. Press

to conﬁ rm.

(default setting of 21°C)

OFF

The thermostat is switched off until the next manual change.

Press the

button and choose the OFF mode with the

/ buttons. Press

to conﬁ rm.

The thermostat maintains the preset temperature until the given

date and time. When the preset period expires, it returns to the

AUTO or MANU mode automatically.

Press the

button and choose the AUTO or MANU mode with

the / buttons. Press

to conﬁ rm.

Press the

button again and choose the mode with the

/ buttons. Press

to conﬁ rm.

The temperature value ﬂ ashes on the LCD. Set the desired

temperature with the / buttons and press

to conﬁ rm

it; next, set the hour, minute, day, month and year when your

holiday ends; conﬁ rm each setting by pressing

After setting, the device automatically switches to the HOLIDAY

mode within 1 minute! The holiday end date appears on the

display!

HOLIDAY

CLOC

Setting the current date and time.

Press the

button and choose the CLOC mode with

the / buttons. Press

to conﬁ rm.

The current hour value ﬂ ashes on the LCD. Set the current hour and

conﬁ rm it by pressing

then, set the minutes and seconds; next,

the current date appears; again, set the current day, month and year

with the / buttons. Conﬁ rm each setting by pressing

PROG

Setting of weekly programs (2 weekly programs are available,

each with 6 changes per day).

Press the

button and choose the PROG mode with

the / buttons. Press

to conﬁ rm.

P1 (the ﬁ rst weekly program) ﬂ ashes on the LCD; press

to conﬁ rm it;

The programmed day number ﬂ ashes on the LCD, choose one

of the options with the / buttons (you can program “day

after day”, or Mon-Fri, Sat-Sun or Mon-Sun). Press

to con-

ﬁ rm your choice. The display shows U1 for setting the ﬁ rst tem-

perature change; set the temperature with the / buttons

and conﬁ rm with the

button. Set the switching time with

the / buttons and conﬁ rm with the

button again.

The display shows U2 for setting the second temperature

change. Follow the procedure for the ﬁ rst temperature change.

In this way, you can set up to 6 temperature changes per day. To

return to the basic mode, press the

and / buttons

simultaneously.

CONST

Setting of the regulation parameters.

Press the

button and choose the CONST mode with the /

buttons. Press

to conﬁ rm it. The ﬁ rst parameter appears on the LCD.

MINIMUM SWITCH-ON TIME IN HYSTERESIS

HYSTERESIS

The hysteresis can be set from 0.1 to 5 °C. If, for example, the

hysteresis is 1 °C and the required temperature is 20 °C, the ther-

mostat switches off at 20 °C and switches on again at 19 °C.

Set the pertinent value with the

/ buttons and press

to conﬁ rm.

Here, you can set the minimum switch-on time of the heating device in

hysteresis in minutes. It can be set within the range 1 to 5 minutes.

Set the pertinent value with the

/ buttons and press

to conﬁ rm.

Make your choice with the / buttons according to the appli-

cation type and press

to conﬁ rm.

- - - The external sensor, if connected, measures the temperature

at the point of location (suitable, for instance, for bathrooms,

where you wish to have a warm ﬂ oor irrespective of the

room temperature);

15…99,5°C The external sensor, if connected, monitors the ﬂ oor

temperature; the maximum permissible temperature is set

for the ﬂ oor heating (you regulate with the room

temperature, monitoring the ﬂ oor temperature

at the same time).

If the preset limit temperature is exceeded, the thermostat is switched off irrespective of

the room temperature, and the STOP message appears on the LCD. Once the external

sensor temperature drops by 0.5 °C, the heating device is switched on again.

If the sensor is not connected or it is defective, the C2.Err error message appears on the

LCD.

After connecting the external sensor, it is NECESSARY

to RESET the device (see parameter 5)!

This use of the sensor is indicated by the sign on the LCD.

The ﬂ oor (monitoring) sensor is indicated by the sign on the LCD.

EXTERNAL SENSOR SELECTION

FIRMWARE VERSION / DEFAULT SETTING RECOVERY

SELECTION THE POWER OF CONNECTED DEVICE

Set the input of the connected device in watts.

Can be selected in the range from 0 to 2700 W in steps of

100 W, maximum power is 2760 W. Choosing this constant is

achieved more accurate regulation. For a given power starts

automatic calibration of the thermostat.

Set the value by / buttons and press the

Use the option 0 for : boiler, thermoelectric valve, contactor, etc. (for input power less

than 100 W).

Information on the ﬁ rmware version. If you keep pressing the

button (approx. 3 sec), the RESET message appears brieﬂ y

on the LCD, and the thermostat recovers the default setting!

You can exit the CONST mode at any time by simultaneously pressing the

and /

buttons (return to the basic mode).

OTHER FUNCTIONS

By pressing the / buttons in the basic mode, you can view the following information:

In the basic mode, press the

/ buttons. The LCD shows

the required temperature value for the current operating mode

(it can be changed with the / buttons; in the AUTO

mode, the change is short-term – until the next change in the

program; in the MANU mode, the change is permanent).

With another press of the

button, you can switch to:

INFO

REQUIRED TEMPERATURE

This is used for quick change of the program selected in the

AUTO mode. If both P1 and P2 programs are preset, they can be

changed, after a week for example, with the / buttons.

With another press of the

button, you can switch to:

SELECTED PROGRAM NUMBER - in the AUTO mode only

OPERATING HOURS

The LCD shows the operating hour value of the heating

device. You can clear it by pressing the button.

With another press of the

button, you can switch to:

TEST

The LCD shows the TEST message, which can be switched to

the LCD test on/off with the / buttons (the output relay

will be switched on/off several times).

We recommend using this function for the ﬁ rst use of the

thermostat to check its correct connection!

With another press of the

button, you can view prior information

if the external sensor is connected as the ﬂ oor (monitoring) one:

CURRENT TEMPERATURE OF THE FLOOR SENSOR

The LCD shows the current temperature value of the ﬂ oor sensor.

To return to the basic mode, keep pressing the

button (for approx. 3 sec)!

In the basic mode, simultaneously press the

and buttons, the buttons will lock (the

key sign on the LCD). Unlocking can be done by simultaneously pressing the

and

buttons.

LOCK

LEAD FREE

in compliance with RoHS

ELEKTROBOCK CZ s.r.o.

Blanenská 1763

Kuřim 664 34

Tel.: +420 541 230 216

MADE IN CZECH REPUBLIC

In case of warranty or

post-warrant service,

send the product to

the manufacturer’s

address.

WARRANTY CERTIFICATE

(a 2-year warranty is granted for the product)

Product number:

Date of sale:

Shop stamp:

Checked by:

Technical parameters

Power supply 230 V/ 50 Hz

Number of adjustable temp. 6 different temp. per every day

Hysteresis 0.1 to 5°C

Minimum program time 10 minutes

Adjustable temp. range +3°C to 99.5°C

Temperature setting by 0.5°C

Minimum indication step 0.1°C

Measurement accuracy ± 0,5°C

Backup battery more than 100 hours

Protection class IP20

Protection rate II

Output max.12A (potential-free contacts)

Working temperature 0°C to +40°C

Dimensions:

Properties:

 2 weekly programs with 6 temperature

changes per day

 backlit display

 HYSTERESIS setting option

 heating source minimum switch-on time

setting

 operating modes:

AUTO/MANU/OFF/HOLIDAY

 maximum ﬂ oor temperature limit value

setting

 quick change of the required temperature

 operating hours information

 child lock – locking of keys

 backup in case of voltage failure for

more than 100 hours

 simple installation (PLUG-IN system)

 elegant design of the VENUS switch series

Used for the control of electric ﬂ oor heating (heating cables, mats, foils).

It enables regulation according to the room temperature with possible ﬂ o-

or temperature monitoring. Using the thermostat, you can reduce heating

costs and, at the same time, achieve thermal comfort at the given time.

included in the package

type CT04-10k,

CYXY 2 x 0.5 mm,

10 k:, length 3 m,

PVC plastic case

External sensor:

Another advantage:

The thermostat can be located in the multiple frame of the

VENUS design.

The PLUG-IN system = quick and easy installation. The thermo-

stat is divided into the power part and the main microprocessor

part, which can be connected by simple insertion of the intercon-

necting terminals. The input conductors (or external sensor) are

connected to the power part terminals and fastened to the juncti-

on box; then you can simply ﬁ nish the installation by inserting the

main part onto the power part.

www.elbock.cz

DIGITAL THERMOSTAT PT712-EIPT712-EI

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