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Wiring diagram
NOTE: Always isolate the AC Mains supply before installing
or working on any components that require 230 V AC 50Hz supply.
The assembly should be carried out by a person having appropriate
electric permissions. Incorrect wires connection can damage
the device.
OFF
20
15
25
10
30
5
20
15
25
10
30
5
OFF
COMMUNICATION CODE CHANGE
NOTE: To avoid interference caused by other wireless devices, it is
strongly recommended to change the communication code for other
than factory.
1
Communication code change is done by DIP switches (numbered 1-5).
Set the DIP switches on the receiver in random positions.
NO
NO
ON
OFF
2
Set the receiver' s switch to the ON position -
receiver will start to flash.
NO
COM
L
N
L
ON
NO
COM
L
N
L
COM
NO
N
BOILER CONTACTS FOR
STYKI W KOTLE
ON-OFF THERMOSTAT
DO PODŁĄCZENIA
(ACCORDING TO THE
REGULATORA ON - OFF
BOILER INSTRUCTION)
(WG INSTRUKCJI KOTŁA)
N
L
COM
L
N
NO
or
M
lub
N
NO
COM
L
N
ON
NO
COM
L
N
COM
L
N
COM
L
N
NO
COM
L
N
NO
COM
L
N
red
LED diode on the
ON
OFF
ON
OFF
3
20
15
25
10
30
5
OFF
4
5
MAX
16 (5) A
20
15
25
10
30
5
OFF
5
20
Heating/cooling mode changing
15
25
10
30
The ERT20RF thermostat is factory-adjusted to work with a heating device
5
(heating mode), however, there is a possibility to switch it to cooling mode,
so it can work also with a cooling device.
To change heating/cooling mode, change the position of the jumper on the
back of the thermostat, as shown in the figure below:
NO
COM
L
N
NO
COM
L
N
NO
COM
L
N
Heating
NO
COM
L
N
Press and hold for 3 seconds SYNC button located on the back of the
thermostat. Thermostat' s
red
LED diode will start flashing.
NO
COM
L
N
NO
COM
L
N
3 sec.
20
15
10
If the LED diode on the receiver stops flashing, it means that the
5
pairing process was successful.
ON
OFF
To finish the pairing process, press and hold SYNC button again.
LED diode on the thermostat will stop flashing.
NO
COM
L
N
NO
COM
L
N
3 sec.
20
To check if the devices have been paired correctly, set the
15
thermostat knob to the maximum.
25
on the thermostat and heating signal will be sent. If the
10
LED lights up on the receiver it means that the devices are paired
correctly.
20
15
25
20
10
15
25
30
10
5
30
5
Cooling
mode
mode
20
15
25
10
30
5
L
COM
L
25
30
N
NO
N
NO
COM
L
N
ON
OFF
NO
COM
L
N
20
15
25
10
30
5
3
Red
led diode will light up
green
30
lub
5
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