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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.
L1
L1
L2
L1 L2
L1 L2
L1 L2
KL04NSB
24V
L1
L1 L2
L1 L2
L1 L2
L1 L2
L1 L2
V
7. Thermostats connection
• Connection of EXPERT, HTR series thermostats.
HTRP24/HTR24
VS30
(H)
(N)
L1 L2
L1
L2
L1 L2
L1
Reset
0
KL04NSB
24V
1
2
3
4
• 24 V thermostat connection (e.g. RT1024V)
RT10 24V
VS30
L1 L2
L1
L2
L1 L2
L1
Reset
0
KL04NSB
24V
1
2
3
4
• ON / OFF (battery) thermostat connection with voltage-free COM / NO output contacts
(e.g. 091FL, RT310, RT510)
Note: 24 V AC voltage
when actuators are live
L1 L2
L1 L2
L1 L2
Reset
0
Example based on T30NC 24 V actuators
1
2
3
4
INSTALLATION
1
L1 L2
L1 L2
2
3
NO NC
L1 L2
L1 L2
COM
NO
L1
L1
L2
L1 L2
L1 L2
L1 L2
KL04NSB
24V
Note: The following symbols are used interchangeably in the NSB, HTR, ERT, BTR series products:
= SL
= NSB
Remove the top cover of the wiring
centre extension and unscrew the
main housing.
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
110 mm
Thermostat wires
(min. 4x0,75 mm
2
max. 2x1,5mm
2
)
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
Thread the wires through the slots
in the top part of the wiring centre
extension and connect it to the
terminals.
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 24V and KL04NSB 24V
connector.
9
Make sure that all the wires are
properly connected, mount top
cover and power up the wiring
centre and wiring centre extension
- "Power" and "Connection"
LED diodes will light up indicating
the correct connection with the
KL08NSB 24V wiring centre.
red
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