ELEKTROBOCK CZ PT22 User manual

PT22
PT22
ROOM THERMOSTAT
WITH BACKLIT DISPLAY
MADE IN CZECH REPUBLIC
•for all types
boilers
•weekly program
(preset)
•6 temp. changes
per every day
•anti-freeze
mode
•easy installation
•modern design
•BIG WELL-ARRANGED DISPLAY
with navigation in selected language

MENU
2
DESCRIPTION
PT22 is digital room thermostat with backlit display for automatic regulation of heating.
Its advantages involve a quick change in the desired temperature by simply turning the wheel, and
possibility of setting up to weekly program 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 instal-
lation height should be approx. 1.5 m above the floor. Place the thermostat 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).
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).
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 5 (TEST).
9) Upon first start (or reset), the thermostat displays “SET CLOCK”, set the current time
and date according to page 4.
Wiring diagram:
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
push
=choice confirmation
(entry)
push
=
opening the main
menu or return a step
back
PT22 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!

TEMP. IN AUTO
TEMP. IN MANU
MENU
3
Fig.1
HINTS FOR THE USER
Fig.2
Fig.3
alkal.battery
1.5V/AA
alkal.battery
1.5V/AA
QUICK CHANGE OF THE DESIRED TEMPERATURE
Press the ““ button twice, the desired temperature starts blin-
king 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.
In the MANU mode, the change is permanent.
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
20 sec, only!
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!

AUTO MOdE
MANUAL MOdE
OFF MOdE
HOLIdAY
SET TEMP.
SET TIME
SET HOUR
4
AUTO
MANU
OFF
DOVOLENÁ
( weekly program is factory-set, see page 6)
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, and date of your return from the holiday. Chan-
ge 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).
The thermostat is off until the next manual change of the mode.
(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.
(the 21 °C temperature is factory - set)
The thermostat works according to the temperature preset until
the next manual change.
Press the “ MENU“button twice; select the MANU mode by
turning “ “, and confirm with the“ “ button.
The thermostat works according to the weekly program preset (this
program can be changed; see PROG for detailed description).
Press the “ MENU“ button twice; select the AUTO mode by
turning “ “, and confirm with the“ “ button.
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.
The thermostat keeps the temperature preset until the given date.
When the preset time lapses, it automatically returns to the last-
selected AUTO/MANU mode before the holiday.

PROGRAMMING
SELECT dAY
TIME CHANGES
CONSTANTS
ENGLISH
HYSTERESIS
VERSION
5
PROG
CONST
Setting the control parameters.
1
2
3
CESKY
The hysteresis can be set from 0,1 to 6°C. Example: If the hys-
teresis is 1 °C and the required temperature 20 °C, the thermostat
switches off at 20 °C and on again at 19 °C.
4VERSION (restoring the default settings)
Press twice the “ MENU“ button, choose the CONST mode by
turning the “ “ button, and press the “ “ button to confirm.
Language selection (CZ/PL/EN/DE).
Choose the language by turning the “ “ button and press the
“ “ button to confirm.
HYSTEREZE
Set the value by turning he “ “ button and press the “ “ button
to confirm.
TEST
We recommend you to use the test when you first use the
thermostat!
After you turn the “ “ button, the test starts and the output relay
is switched on/off several times (the display shows the ON/OFF
message). Pressing the “ “ button, you can view the next
constant; to return to the main menu, press the “ “ button.
Firmware version, informative parameter only.
If you press the “ “ button long (for about 3 s), the RESET
message appears shortly on the LCD and the thermostat returns
to the default settings!
(CONSTANTS)
(Czech language set by default)
(0.5°C set by default)
Setting the weekly program with up to 6 changes per day.
Press twice the “ MENU“ button, choose the PROG mode by turning the
“ “ button, and press the“ “ button to confirm. The number of days
to be programmed is blinking on the display; choose one of the
options by turning the “ “ button (you can program day-by-day or 1-5 =
Mon-Fri, 6-7 = Sat-Sun or 1-7 =Mon-Sun) and press the “ “ button to
confirm. The 1st change time starts flashing; set the time by turning the
“ “ button and press the “ “ button to confirm. Set the temperature
for this time by turning the “ “ button and press again the “ “ button
to confirm. The 2nd change time appears on the display. Proceed in the
same way as with the first change setting. In this way, you can set up to
6 temperature changes per day. To return to the menu, press the
“ “.button.
After changing the preset program, check whether all the changes made
conform to your requirements!
It is not necessary to apply all six changes in one day!
(PROGRAMMING)

Pb
LEAD FREE
in cimpliance with RoHS
136.5 28.5
83
ELEKTROBOCK CZ s.r.o.
Blanenská 1763
Kuřim 664 34
Tel./fax: [phone]
MADE IN CZECH REPUBLIC
In case of guaran-
tee or post-guaran-
tee service, send
the thermostat to
the manufacturer’s
address.
ROOM THERMOSTAT PT22
CERTIFICATE OF GUARANTEE
(guarantee period for the product amounts to 2 years)
product No.: date of sale:
stamp of shop:
examined by:
Technical parameters
Power supply 2 x 1.5 V alkal. batteries typ AA
Number of temp. changes 6 temperature changes per day
Hysteresis 0.1 to 6°C
Minimum program. time 10 minutes
Adjustable temp. range +5°C to 39°C
Temperature setting po 0.5°C
Minimální indikační skok 0.1°C
Measurement accuracy ± 0,5°C
Battery life heating season
Protection IP20
Output max.5A (potential-free contacts)
Working temp. 0°C to +40°C
Dimensions:
Properties:
4weekly program with 6 temp.
changes per day (can be changed)
4big backlit display
4possibility of setting HYSTERESIS
4operational modes
AUTO/ MANU/ OFF/ HOLIDAY
4short-term change in the required temp.
4auto SUMMER/ WINTER time change
PT22 is a battery-powered room temperature. The big, well-arranged
graphic display offers intuitive navigation in the selected language
(CZ / PL / EN / DE). The backlit display enables thermostat control even
at night. With preset program can PT22, after installation, and set the current
time, immediately used without further adjustment.
www.elbock.cz
Preset weekly program:
The hysteresis can
be set from 0,1 to
6°C.
Example: If the hys-
teresis is 1 °C and
the required tem-
perature 20 °C, the
thermostat switches
off at 20 °C and on
again at 19 °C.
HYSTERESIS explanation:
[°C]
[°C]
[hour]
[hour]
Mon-Fri
Sat-Sun