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6. Actuators connection
The actuator wires should be secured with the self locking connectors in the appropriate zone. Up to
6 actuators with a load of up to 2 Watts each can be connected to a single zone. Should more than
6 actuators be required in a zone use an additional relay to relieve the output.
KL04NSB
KL08NSB
Example based on T30NC 230 V actuators
7. Thermostats connection
• Connecting EXPERT NSB, HTR or BTR series thermostats
230 V AC
L
N
L N
SL
Reset
0
KL08NSB
O
KL04NSB
1
2
3
4
• Connecting a 230 V thermostat (e.g. RT200)
230 V AC
L
N
L N SL
Reset
0
KL08NSB
O
KL04NSB
1
2
3
4
• Connecting ON/OFF battery-powered thermostat with voltage-free COM / NO output contacts
(e.g. 091FL, RT310, RT510)
L
N
Note: 230 V AC voltage
when actuators are live.
Reset
0
O
1
2
3
Note: In NSB, HTR, ERT, BTR product series follow interchangeable signifying:
= SL
= NSB
INSTALLATION
1
NSB
Reset
0
O
2
1
2
3
4
3
Wiring centre extension power supply
Reset
0
O
1
2
3
4
230 V AC
COM
NO
KL08NSB
KL04NSB
4
Remove the top cover of the wiring
centre extension and unscrew the
main housing.
KL04NSB
Mount the back side of the housing
to the wall. When mounting on
a DIN rail, open the hooks on the
back of the housing.
12 mm
12 mm
110 mm
110 mm
(min. 2x1,0 mm
2
230 V)
Thermostats wires
max. 2x1,5mm
230 V)
2
(min. 4x0,75 mm
230 V
2
KL04NSB
max. 2x1,5mm
2
230 V)
Remove the appropriate piece of insulation from the wires.
Set includes supplementary accessories (to support
installation proces).
4
Thread the wires under
the mounting belt in the back part
of the wiring centre extension.
5
Reset
0
Thread the wires through the slots
O
KL04NSB
in the top part of the wiring centre
extension and connect it to the
terminals.
1
2
3
4
6
Adjust the wires and screw
the main housing of the wiring
centre extension to the rear housing.
7
Connect the thermoelectric
actuators wires.
8
Connect the serial cable to
the KL08NSB and KL04NSB
connector .
9
Make sure that all the wires are
properly connected, mount top
cover and power up the wiring
centre and wiring centre extension
- the
red
illuminate.
power indicator LED will
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