Wiring centre (8 zones) 230 V
Model: KL08NSB
Manual
T: +44 (0) 1226 323961
Head Office:
SALUS Controls plc
SALUS House
Dodworth Business Park South,
Whinby Road, Dodworth,
Barnsley S75 3SP, UK.
www.salus-controls.com
SALUS Controls is a member of the Computime Group.
Maintaining a policy of continuous product development SALUS Controls plc reserve the right to
change specification, design and materials of products listed in this brochure without prior notice.
VII 2018
Introduction
The KL08NSB wiring centre forms the heart of a Underfloor Heating controls system. It allows
easy and quick connection of thermostats and actuators. It has integrated pump and boiler
control module and overload protection. KL08NSB wiring centre is adapted to work with NC and
NO type actuators (normally closed and normally open). Up to 8 thermostats can be connected
to the KL08NSB, while KL04NSB extension allows to connect additional 4 thermostats (12 in total).
Product compliance
Technical Information
Safety information
This product complies with the essential requirements and other relevant provisions of the following
EU Directives: EMC 2014/30/EU, Low Voltage Directive LVD 2014/35/EU, RoHS directive 2011/65/EU.
The full text of the EU Declaration of Conformity is available at the following internet address:
www.saluslegal.com.
Use in accordance with national and EU regulations. Device is intended for indoor use only
in dry conditions. Product for indoor use only. Installation must be carried out by a qualified
person in accordance to national and EU regulations.
Before attempting to setup and install, make sure that KL08NSB is not connected to any power
source. Installation must be carried out by a qualified person. Incorrect installation may cause
damage to the wiring centre. The KL08NSB should not be installed in areas where it may be
exposed to water or damp conditions.
Power Supply
230 V AC 50 Hz
Total Load Max
5 A
Pump / Boiler Relay Load Max
3 A
Inputs
External clock (230 V)
Outputs
Pump control (NO/ COM)
Boiler control (NO/COM)
Terminals for actuators (230 V)
Dimensions [mm]
355x 85x 67
1. Fuse
Wiring centre description
Note:
Replace the fuse only when the wiring centre is disconnected from power supply
(230 V ~).
Note:
Pump (Pump output) and boiler (Boiler output) always starts
3 minutes after receiving the heating signal from any thermostats
connected to wiring centre. Pump stops 3 minutes after the last call for
heating sent by the thermostat and the heat source (boiler) will turn off
after the time set on Delay jumper.
Jumper position change must be refreshed in the memory by pressing
the Reset button (short press).
Jumper position change must be refreshed in the memory by pressing
the Reset button (short press).
Main fuse is located under the housing cover next to power supply terminals and secures the wiring
centre and the devices connected to it. Use ceramic tube fast blow 250 V ROHS fuses (5x20 mm) with
nominal max current 12,5 A. To replace fuse remove the fuse holder with a flat screwdriver and pull
out the fuse.
Select the type of the thermoelectric actuator connected to the wiring centre:
NC – actuator normally closed
NO – actuator normally opened
Boiler off delay time.
One Master thermostat which is common for thermostats from
Group 1 and Group 2 (one programmable thermostat e.g. VS30, other
thermostats are non-programmable e.g. VS35).
Two external clocks. One for Group 1 and one for Group 2 (two external
non-programmable regulators e.g. VS35).
Two Master thermostats. One for Group 1 and one for Group 2
(two programmable thermostats e.g. VS30, other thermostats are
non-programmable e.g., VS35).
One external clock which is common for thermostats from Group 1
and Group 2 (one external clock + daily regulators e.g. VS35).
NSB function application in combination with thermostats grouping.
• OPTION 1
• OPTION 4
• OPTION 2
• OPTION 3
2. Power Supply
4. NC/NO jumper
5. Delay jumper
3. NSB (Night Set Back reduction) function and thermostats grouping
Power supply for wiring centre is 230 V ~ 50Hz.
Two wire installation should be made in accordance
with the applicable regulations
230 V AC
L
N
NSB function is activated in non-programmable Salus thermostats of the Expert NSB, HTR, BTR
series via external signal. NSB 230 V signal (night-time temperature reduction) is sent via an external
timer or programmable thermostat connected to the KL08NSB wiring centre. Non-programmable
thermostats are receiving NSB signal and reducing setpoint temperature (by switching to eco mode).
All thermostats have to be connected using a 4-wire cable (min. 4 x 0,75 mm
2
, max. 4 x 1,5 mm
2
).
L
1-4
jumper
5-8
no jumper
L
1-4
5-8
L
1-4
5-8
L
1-4
5-8
0
Off
1
2
3
4
Reset
KL08NSB
0
Off
1
2
3
4
Reset
KL08NSB
0
Off
1
2
3
4
Reset
KL08NSB
1
2
3
11
4
7
6
5 10
9
group
i
group
ii
8
1.
Cartridge fuse 5 x 20 mm 12 A
2.
Power supply
3.
NSB function terminals
4.
NC/NO jumper (actuator type)
5.
Delay jumper
6.
Boiler control output
7.
Pump control output
8.
Actuators connection
9.
Serial connector for the KL04NSB extension
10.
Reset button
11.
Thermostats connection
