8
9
2.5 Connection description
I A - Boiler connection
I B - Pump / Valve connection
I C - KL08NSB underfloor heating wiring center connection
NC
NO
COM
RT520
PODŁ
ĄCZENIE K
OTŁ
A
*
B
A
RT520
OPENTHERM*
3V
2 x AA
3V
2 x AA
NC
NO
COM
RT520
PODŁ
ĄCZENIE K
OTŁ
A
*
B
A
RT520
OPENTHERM*
3V
2 x AA
3V
2 x AA
L
AC 230V
L
N
N
1 - 8 Zones
1 - 8 Zones
1 - 8 Zones
KL08NSB
1
2
Pump
3
4
Boiler
BOILER CONNECTION
*
Power
L N
L N SL
T30NC
max 6
per zone
COM
NO
L N
L N SL
COM
NO
T30NC
max 6
per zone
L N
L N SL
COM NO
T30NC
max 6
per zone
or
lub
RT520
RT520
RT520
Eg.
Eg.
Eg.
BOILER C
ONNEC
TION*
L
AC 230V
COM
lub
NO
NC
N
L
N
L
AC 230V
N
RT310
RT310
MAX
3 (1) A
PODŁ
ĄCZENIE K
OTŁ
A
*
3V
2 x AA
3V
2 x AA
COM
NO
NC
RT520
L, N
- power supply 230V
NO, COM, NC
- voltage-free output
A, B
- OpenTherm Communication Wire
SL
- 230V AC voltage output
- NSB function
- fuse
Legend:
Symbols explanation:
Valve
Pump
Boiler - Boiler connection*
-
Boiler’s contacts for ON/OFF
thermostat (according to the
boiler’s instructions)
M
3. Before you start (first power up)
3.2 Button description
3.1 LCD icon description
1.
Text Bar
2.
Temperature Unit
3A.
Day of the week (numeric)
3B.
Day of the week (alphabetic)
4.
Clock
5.
AM / PM
6.
Cooling Mode On
7.
Holiday Mode On
8.
Manual Mode On
9.
Heating Mode On
10.
Low battery status
11.
Wireless connection with the receiver
12.
Service Mode On
13.
Temperature measured / set
14.
Program number
15.
Settings
16.
Program indicator
17.
Boost function
PLEASE NOTE!
The LCD screen can be activated by using any button.
6
2
7
9
11
17
3A 3B
13
5
4
14
15
16
1
8
10
12
1
2
3
4
5
6
1.
MENU / RETURN - enter the menu options,
press and hold for 3 sec to return to main screen
or to deactivate Boost or Manual modes.
2.
SELECT - confirm changes and enter menus.
3.
DOWN - decrease the temperature and
move through the menus.
4.
UP - increase the temperature and move
through menus.
5.
BOOST - activate Boost Mode.
6.
MANUAL - press once to activate / press and
hold for 3 sec to deactivate Manual Mode.
(ON / OFF)
OpenTherm
