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 Note: 

The following designations are used interchangeably for products:

 

         =   SL

 

         =   NSB

HTR24(20) is a surface-mounted (or on a flush-box) room thermostat 
dedicated for surface heating / cooling control, characterized by high thermal 
inertia.  It is connected to the wiring centre, through which you can lower the 
set temperature on it, receiving a signal NSB (night temperature reduction) 
from the weekly thermostat.  The room temperature could be set by knob 
use.  Thanks to the built-in algorithms, it offers much better temperature 
control accuracy than traditional mechanical thermostats.  The thermostat is 
characterized by silent operation.

Introduction

Connection description

Proper thermostat location

Package content

Product compliance

  Note!

The ideal position to thermostat mounting is  about 1,5m under floor level 
far from heating or cooling sources. In addition, the thermostat should not be 
installed behind curtains or other obstacles or in places with high humidity, as 
this will prevent accurate measurements of room temperature. The thermostat 
must not be exposed to sunlight. Do not place the thermostat on an outer wall.

The product complies with the following EU directives: 2014/30/EU,  
2014/35/EU, 2011/65/EU. Full information is available at www.saluslegal.com

This document is a quick guide to the installation and operation of the product 
and indicates its main features and functions. Detailed information is available 
in the full manual, which is available at www.salus-controls.eu and must be 
used for proper installation and operation of the product.

SAFETY INFORMATIONS:

Use in accordance with national and EU regulations. Use the device as intended 
and keep it dry. Product for indoor use only. Please read the entire manual 
before starting the installation and using the product.

INSTALLATION:

Installation must be carried out by a qualified person, with appropriate 
electrical authorisations, in accordance with national and EU standards and 
regulations. The manufacturer shall not be liable for failure to comply with the 
manual. 

NOTE:

There may be additional protection requirements for the entire installation. 
The installer shall be responsible for compliance with such requirements.

Front housing 

of the thermostat

User manual

Back housing 

of the thermostat

Mounting screws

HTR 24V

KL06 24V

H (L1)
N (L2)

CO

L1

L2

Wiring centre

HTR 24V

H (L1)

N (L2)

CO

L1

AC 24V

L2

T30NC

Wejście NSB

/

NSB input

Actuator

Symbols explanation:

Wired electronic thermostat - non-programmable
Model: HTR24(20)

Wired electronic thermostat - non-pro-
grammable
Model: HTR24(20)

User manual

User manual

IMPORTER: 
QL CONTROLS Sp. z o.o. Sp. k.
ul. Rolna 4, 43-262 Kobielice

PRODUCER:
Salus Limited
6/F, Building 20E, Phase 3, Hong Kong Science 
Park, 20 Science Park East Avenue, Shatin, 
New Territories, Hong Kong

www.salus-controls.eu

SALUS Controls is a member of the Computime Group.

In accordance with the product development policy, SALUS Controls plc reserves 
the right to change specifications, design, and materials used in production, 
presented in this manual, without prior notice.

Ver. 2
Date of issue: 17 III 2021
Power supply: 24V

Note:

The thermostat is compatibile with the following Salus wiring 

centre models: KL06 24V, KL08NSB 24V, KL04NSB 24V or directly to the 
actuator.

Terminal

Description

L1, L2

Power supply (24V AC)

 NSB

Night temperature reduction (24V input)

          SL

24 V AC output signal

CO

Switching jumper between heating and cooling (input 24V AC)

III 2021 [ENG]

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