SALUS KL08NSB 24V 8 Zones Wiring Centre Instruction Manual
- June 5, 2024
- SALUS
Table of Contents
KL08NSB 24V 8 Zones Wiring Centre
Instruction Manual
Head Office:
SALUS Controls Plc
Units 8-10 Northfield Business Park
Forge Way, Parkgate, Rotherham S60 1SD,
United Kingdom
T: +44 (0) 1226 323961
E: sales@salus-tech.com
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.
Introduction
The KL08NSB 24V 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 24V 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 24V, while KL04NSB 24V extension allows to connect additional 4 thermostats (12 in total). NOTE! 24V/230V transformer is included with the set with the control box!
Product compliance
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.
Safety information
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 24V 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 24V should not be installed in areas where it may be exposed to water or damp conditions.
Technical Information
Wiring centre description
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 24V extension
10. Reset button
11. Thermostats connection
1. Fuse
Note: Replace the fuse only when the wiring centre is disconnected from power supply (24 V ~).
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 (5×20 mm) with nominal max current 12,5
A. To replace fuse remove the fuse holder with a flat screwdriver and pull out the fuse.
2. Power Supply
3. NSB (Night Set Back reduction) function and thermostats grouping
NSB function is activated in non-programmable Salus thermostats of the Expert NSB, HTR, BTR series via external signal. NSB 24 V signal (night-time temperature reduction) is sent via an external timer or programmable thermostat connected to the KL08NSB 24V 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 mm2, max. 4 x 1,5 mm2).
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