ELEKTROBOCK PT32 User manual

INTELLIGENT ROOM

THERMOSTAT

MADE IN CZECH REPUBLIC

•LARGE BACKLIT DISPLAY

with intuitive navigation in CZ/PL/EN/DE/RU/SK

•

9 WEEKLY PROGRAMS

and 6 temperature changes per day

•

HYSTERESIS/ PI/PID REGULATION

selection according to the heating system

•

ENERGY SAVINGS UP TO 30%

quick investment return

•

OPTIMALISATION OF OPERATION

preliminary switch-on function

Temp. 23

HEATING

TEMPE-

RATURE

CHANGE

17°C17°C 23°C23°C

SENT

REMOTE CONTROL BY MEANS OF MOBILE PHONE

by extending the thermostat with the GST1 or GST2 module (not included in PT32)

PT32PT32

DESCRIPTION

PT32 is an intelligent digital room thermostat with a backlit display. Its advantages involve a quick change

in the desired temperature by simply turning the wheel, and possibility of setting up to 9 weekly programs

with 6 temperature changes per day.

INSTALLATION AND LOCATION

Install the thermostat at a suitable place where its operation cannot be affected by direct ﬂow

of hot air from the heater, sunshine or other disturbing effects. Do not install it on an external

wall either. The installation height should be approx. 1.5 m above the ﬂoor. Place the thermo-

stat in the “reference room”, such as the living room (the heating source will switch according

to the temperature in this room).

The installation must only be done by a properly qualiﬁed person!

Before installation, disconnect the power supply!

1) Switch off the main circuit breaker.

2) Remove the control part from the lower cover of the device (Fig.1, page 3).

3) Chip away the central plastic piece from the lower cover to lead in conductors.

4) Run the conductor through the hole and connect it to the terminal acc. to the diagram.

5) Fasten the lower cover to the wiring box with screws (Fig. 2, page 3).

6) Batteries are located at the back of the control part. Remove their protective paper

(on ﬁrst use), or insert new batteries (follow the instructions on page 3).

7) Mount the control part on the lower cover.

8) Switch on the main circuit breaker and test correct connection of the thermostat, see

page 12 (TEST).

9) Upon ﬁrst start (or reset), the thermostat displays “SET CLOCK”, set the current time

and date according to page 5. After that select language see page 8.

Backlit display

if any button is pushed, the backlit switches on

automatically for 5 s at least

Control elements

turning

= change of the temperature set

short push

= choice conﬁrmation (entry)

= quick change of the temperature

or program desired, viewing

the running hours (see page 4)

long push

= step back (only in the CONST

mode see pages 8-13)

push

= opening the main menu or return

a step back

Wiring diagram:

PT32 BOILER

potential-free

(voltage-free) contact

The thermostat

terminals are marked

differently with

every type of boiler.

Therefore, follow the

wiring prescribed by

the boiler

manufacturer!

RJ45 connector for

the module (GST1

or GST2) to control

the thermostat with

a mobile phone

Fig.1 Fig.2

Fig.3

alkal.battery

1.5V/AA

alkal.batter

1.5V/AA

BATTERY REPLACEMENT

As soon as “ “ appears on the display, you must replace

the batteries.

1) Remove the control part from the lower cover of the device (Fig. 1).

2) Replace the batteries. Heed the correct polarity marked in the battery

compartment (Fig. 3). After removing the batteries, all setting of the

thermostat are saved in the E-EPROM memory. You only have to set

the time (page 5)!

Always use the type AA, 2 x 1.5 V, alkaline batteries!

Recommendation: Check the batteries before every heating season!

Dispose of old batteries in conformity with regulations

on hazardous waste treatment!

TEMP. IN AUTO

TEMP. IN MANU

OPER HOURS H.C.

HINTS FOR THE USER

QUICK CHANGE OF THE DESIRED TEMP. / PROGRAM

Press the “ “ button twice, the desired temperature starts

blinking on the display. Change the temperature by turning the

“ “ button, and press the“ “ button.

In the AUTO mode, the change lasts until the next program change.

Another program can be selected in this mode in the same way.

In the MANU mode, the change is permanent.

LCD DESCRIPTION

678

910 12

1, Current day (in the Prog

mode, selection of days to be

programmed)

2, Heating on indication

3, Current room temperature

4, Anti-freeze temperature

5, Modes for setting programs

(PROG) and constants

(CONST) (page 6-13)

6, Automatic mode ( page5)

7, Manual mode (page 5)

8, Clock setting mode

(page 5)

9, Holiday mode (page 5)

10,Permanent shut-off (page 5)

11, Summer mode (page 10)

12,Boiler inspection indication

(page13)

13,Current time

14,Current date (various

parameters in the CONST

mode; for details, see page 6)

15,Status line, dynamically

changing according to

the process running

16,Key lock indication (page 12)

17,Low battery indication

OPERATIONAL HOURS

Push the “ “button four times. The boiler operating hours

appear on the LCD. The ﬁgure on the picture means 906 hours

43 minutes.

Resetting the counter:

When operational hours are displayed, turn the “ “ button

anti-clockwise.

AUTO MOdE

MANUAL MOdE

OFF MOdE

HOLIdAY

SET TEMP.

SET TIME

SET HOUR

OPERATIONAL MODES

The ﬁrst push of any button activates the display backlight. Pushing the“ MENU “ button shortly

again, you open the main menu where you can choose the operational mode.

AUTO

The thermostat works according to the weekly program preset (this

program can be changed; see PROG for detailed description).

MANU (the 21 °C temperature is factory - set)

The thermostat works according to the temperature preset until

the next manual change.

OFF

The thermostat is off until the next manual change of the mode.

HOLIDAY

The thermostat keeps the temperature preset until the given date

and time. When the preset time lapses, it automatically returns to

the last-selected AUTO/MANU mode before the holiday.

Press the “ MENU “ button twice; select the AUTO mode by

turning “ “, and conﬁrm with the“ “ button.

(the Pr3 weekly program is factory-set, see page 7)

Press the “ MENU “button twice; select the MANU mode by

turning “ “, and conﬁrm with the“ “ button.

(anti-freeze temperature of 3°C is kept – cannot be changed)

Press the “ MENU “ button twice; select the OFF mode by turning

“ “, and conﬁrm with the“ “ button.

Press the “ MENU “ button twice; select the mode by turning

“ “ , and conﬁrm with the“ “ button.

Stepwise, set the temperature which the thermostat should keep

during the holiday, time and date of your return from the holiday.

Change the values by turning“ “, and always conﬁrm them

pushing the“ “ button.

When the setting is ﬁnished, press the “ “ button to return to

the basic screen.

Note: You can cancel the holiday mode any time by choosing another

AUTO or MANU mode.

CLOCK SETTING

Setting the current time and date.

Press the “ MENU “ button twice; select the CLOCK mode by

turning “ “, and conﬁrm with the “ “ button.

Change the values turning the “ “ button. Always push the “ “

button to conﬁrm (the value set is always blinking; the “ “ button

returns you to the menu).

PROGRAMMING

SELECT dAY

TIME CHANGES

SELECT PROGRAM

CONSTANTS

TEST MOdE

ON OFF

PROG

9 weekly programs with 6 changes per day can be preset. The Pr1 and

Pr2 programs are blank; Pr3 to Pr 7 are factory-set. The PrU and PrL

programs are factory-set as well, intended for the EVEN/ODD week sele-

ction (see page 7,10 for details).

Press the “ MENU “button twice; select the PROG mode by turning

the “ “ button, and conﬁrm with the “ “ button.

The selected program number is blinking on the display.

Choose the program you wish to modify by turning the “ “

button, and conﬁrm with the “ “ button. By turning the “ “ button,

choose the number of days programmed (you can program

“day-by-day” or “1-5 = Mon-Fri”, “6-7 = Sat-Sun” or “1-7 = Mon-Sun”).

Conﬁrm with the “ “ button.

The Change 1 time starts blinking. Set the time by turning the “ “

button, and conﬁrm with the “ “ button. Enter temperature for this

time by turning the “ “ button, and conﬁrm with the “ “ button

again. The Change 2 time appears on the display. Proceed in the

same way as with the ﬁrst time change.

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

To move one step back, push the “ “button shortly; to return to the

basic screen, push the“ “ button long.

After modifying the preset program, check whether all of the

changes set comply with your requests!

There is no need to apply all six changes in one day!

(PROGRAMMING)

PROGRAM SETTING MODIFICATION

CONST

Setting the control parameters. For a detailed description, see

page 8 -13.

Press twice the “ MENU “ button, choose the CONST mode by

turning the “ “ button, and press the“ “ button to conﬁrm.

TEST

Testing the correct connection to boiler.

Press twice the “ MENU “, choose the TEST mode by turning the

“ “ button, and press the “ “ button to conﬁrm (RELAY TEST

is showed on LCD). Turn the “ “ button to start testing.

The output relay will be switched on/off several times

(the ON/OFF messages appear on the LCD).

(CONSTANTS)

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

program No.3

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

program No.4

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

program No.5

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

program No.6

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

program No.7

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

program No.1

program No.2

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Tables of temperature programs

Note:

The 5/21 entry

means that the

temperature of

21 °C is

requested

at 5 o’clock

All of the

programs

given can

modiﬁed!

ENGLISH

TEMP.

TYPE OF REGUL.

Heating

desired

temp.. hysteresis

HYSTERESIS

CESKY

Here you can set the limit of the minimum adjustable tempera-

ture. When using the GSM module, you will be informed by an

SMS that the room temperature has dropped below this value.

Select within the range from 3°C to 10°C (by 0.5°C).

4CONTROL TYPE

Press the “ MENU “button twice; select the CONST mode by turning the “ “ button, and

conﬁrm with the “ “button.

Set the constants depending on the type of building being heated, boiler and heating system.

For select the type of regulation we recommend you consulting with an expert.

Against undesirable usage of strange person we recommend using CONST19 (password).

Language selection (CZ/PL/EN/DE/RU/SK).

Choose the language by turning the“ “ button, and conﬁrm

with the“ “ button.

MINIMUM CONTROL TEMP.

Set the value by turning the“ “ and conﬁrm “ “.

MAXIMUM CONTROL TEMP.

(Czech is factory preset)

(factory setting of 5°C)

(factory setting of 39°C)

Here you can set the limit of the maximum adjustable tempera-

ture. When using the GSM module, you will be informed by an

SMS that the room temperature has risen above this value.

Select within the range from 15°C to 39°C (by 0.5°C).

Set the value by turning the“ “ and conﬁrm “ “.

(PID-regulation is factory preset)

CONSTANTS SETTING

Choose the type of control by turning the “ “ button and

press the “ “ button to conﬁrm.

HS = Hysteresis

Difference between the desired and current

temperature.

If the hysteresis is 1 °C and the desired temperature is

20 °C, the thermostat switches off at 20 °C, and on at

19 °C (see the graph).

For correct hysteresis function, set the parameters

according to the heating system type; see CONST 5.

Note: If hysteresis is selected, CONST 6 is skipped automatically.

Selection of the control type:

TYPE OF REGUL.

HYSTERESIS

MIN TIME ON

Heating type Minimum source

switch-on time

Electric heating 1

Plate radiators 2 (3)

Cast iron radiators 4

Floor heating 5

PID = proportional-integral-derivative control

The PID-control principle consists in continuous

comparison of the current room temperature

with the desired temperature, and automatic

adaptation of the controller to the given

conditions. This is the most perfect continuous

control; you can achieve not only short control time,

but also high accuracy without permanent control

deviation. The minimum switch-on time is internally

set to 2 minutes, the proportional band is 2 °C, the

time interval is automatically recalculated according

to current temperature conditions.

Note: If the PID-control is selected, CONST 5 and CONST 6 are

skipped automatically.

PI = proportional-integral control

The PI-control principle consists in comparison

of the current room temperature with the desired

temperature. The PI-control aims at achieving and

maintaining the desired temperature without oversho-

oting (see the graph). For correct function of the PI-

control, set the control parameters according to the

type of the heating system with respect to the room

thermal inertia; see CONST 6.

Note: If the PI-control is selected, CONST 5 is skipped

automatically.

Topení

požad.

teplota

PID-CONTROL

Note: The graphs are just tentative; the real con-

trol course differs according to current conditions

in the measured object!

Topení

požad.

teplota pásmo

proporcionality

PI-CONTROL

CAUTION! ONLY IN CASE OF LOCKING BY PASSWORD (see CONST19)

If the “ “ key symbol appears on the LCD, the constant selected

cannot be modiﬁed and you must know the PASSWORD (page13,

CONST19). You can change the constant after entering the password.

After you exit the CONST mode, the security lock of the constants related

to the control will be activated automatically.

5SETTING HYSTERESIS PARAMETERS

(factory setting of 0.5°C)

(factory setting of 2min)

HYSTERESIS

MINIMUM SWITCH-ON TIME

Here you can set the minimum switch-on time of the boiler

in minutes at hysteresis. Select within the range

from 1 to 5 minutes according to the type of

the heating system used (see the table).

Set from 0.1 to 6 °C. According to the value preset, the

thermostat switches on at the temperature:

T switching = T required - HYSTERESIS

Choose the hysteresis by turning the “ “ and conﬁrm “ “.

Set the value by turning the “ “ and conﬁrm “ “.

MIN TIME ON

PI ZONE

Heating type Minimum source

switch-on time

Electric heating 1

Plate radiators 2 (3)

Cast iron radiators 4

Floor heating 5

PRE SWITCH MOdE

SUMMER MOdE

Odd-EVEN MOdE

6SETTING PI-CONTROL PARAMETERS

(factory setting of 10 min)

(factory setting of 2min)

PI-CONTROL INTERVAL

MINIMUM SWITCH-ON TIME

(factory setting of 2°C)

PI-CONTROL BAND

Select according to the object’s thermal inertia.

The optimum setting is within the range of 10 to 15 min.

The adjustable range is 5 min to 20 min (by 1min).

Set the interval by turning the “ “ and conﬁrm “ “.

Select within the range of 1 to 5 minut. The setting is

determined by the heating system type, and depends on

the PI-control time period selection. Setting according to

the table is recommended.

Set the value by turning the “ “ and conﬁrm “ “.

This value determines the temperature at which the PI-control

starts functioning. For example, the desired temperature is

22 °C, the proportional band is 1.5 °C. Up to 20.5 °C, the

source heats fully. When this value is reached, the PI-control

starts. The PROPORTIONAL band can be set within the ran-

ge of 0.5 to 3.0 °C (by 0.1 °C).

Set the PI band by turning the “ “ and conﬁrm “ “.

This function provides for the desired temperature at the desired time.

You do not need to consider when to switch on the heating to be

warm when getting up in the morning without heating up long before

uselessly. You just program the time when you want the desired tem-

perature. In two days’ operation, the thermostat ascertains thermal

constants of the room, and then switches the heating in advance as

necessary. The preliminary switch-on time is limited to 2 hours.

PRELIMINARY START OF HEATING

Choose YES/NO by turning the“ “ and conﬁrm “ “.

(factory setting of NO)

Switching the heating on is not permitted in this mode. Particularly,

this can be used in the summer period, when heating is unnecessary.

After enabling the mode, the “ “ symbol appears on the display.

Note: The anti-freeze protection (3 °C) is still functional. In this mode,

you cannot change temperature or set the holiday mode!

SUMMER MODE

Choose YES/NO by turning the“ “ and conﬁrm“ “.

(factory setting of NO)

If you choose YES, the PrU and PrL programs will alternate

automatically according to the week (even / odd). This setting

is advantageous, for example, for work in shifts (requirements

on thermal comfort in the object change every week).

EVEN-ODD WEEK SELECTION (factory setting of NO)

Choose YES/NO by turning the“ “ and conﬁrm“ “.

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