Salus NPC2 Handleiding

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Recirculation pump and ACM pump controller

Model: NPC2

Quick Guide

www.saluscontrols.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 specication, design and materials of products listed in this

brochure without prior notice.

Introduction

The NPC2 controller is designed for controlling a heat transfer fluid

(HTF) recirculation pump in central heating systems with solid fuel

boilers and for controlling a recirculation pump that supplies a

domestic hot water (DHW) coil. The HT recirculation pump starts

when the measured temperature exceeds the set temperature. The

operation of the HT recirculation pump depends on the temperature

difference recorded by T1 and T2. It starts operating when the

temperature of the heating medium exceeds the temperature in the

DHW tank by the hysteresis value set by the user. The DHW tank

recirculation pump operates until the temperature in the tank and

the temperature of the heating medium are equal or until the

temperature in the DHW tank is reached.

Product compliance

This product complies with the following European directives: GPSR

2023/988/EU, EMC 2014/30/EU, LVD 2014/35/EU, RoHS 2017/2102/

EU, and SVHC 215. The full text of the EU Declaration of Conformity is

available at the following web address: www.saluslegal.com

PN-EN IEC 61000-6-1:2019-03

PN-EN IEC 61000-6-3:2021-08

PN-EN 61000-4-4:2013-05

PN-EN 61000-4-5:2014-10

PN-EN 61000-4-2:2011

PN-EN IEC 61000-4-11:2020-11

PN-EN IEC 55014-1:2021-08

Safety information

Use in accordance with national and EU regulations. Use the device for

its intended purpose, keeping it dry. The product is intended for

indoor use only. Installation must be carried out by a qualified person.

Before performing any operations involving the power supply

(connecting wires, installing the device, etc.), make sure that the

power supply is not connected to the controller! Incorrect wiring

may damage or impair the product.

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Controller description

1. Power source indicator

2. AT recirculation pump

indicator

3. ACM boiler recirculation

pump indicator

4. Display

5. Button “+”

6. Menu button

7. Button “–”

8. Alarm sound

9. T1 - AT recirculation

pump sensor

10. T2 - ACM boiler

11. ACM boiler recirculation

pump power cable

12. AT recirculation

pump cable

13. Controller power

supply cable – 230 V

14. Power switch

Electrical diagram

The hysteresis and set temperature for both pump types can be

changed by pressing the button to access the options

menu . The letters "C", "U" and "H" will ash on the display, and

at this point the set temperature can be changed using the

buttons or . After a few seconds, the controller will

return to normal operating mode and display the

measured temperature.

C – above this temperature, the AT recirculation pump will switch

on

U– above this temperature, the ACM boiler recirculation pump

will switch o.

H– The ACM boiler recirculation pump will switch on when the

temperature measured by the sensor drops below the "U–H"

temperature.

Controller operation

Manual mode

Hysteresis

Additional features

Alarm function

Technical specications

Power supply230 V / 50Hz ±10%

Energy consumption2 W

Ambient temperature-10 - 50°C

6 A each

Maximum pump current AT / ACM

0 - 99°C

Temperature setting range

Temperature display range

AT5 - 80°C

ACM20 - 80°C

Temperature measurement range

-10 - 120°C

Sensor cable length

AT1,2 m

ACM3 m

Hysteresis adjustment range (H)5 - 30°C

230 V

ACM

NPC2

T

T

RADIATORS

046/202

CP function (Priority)

The operating priority can be changed by activating this function. If

only the ACM boiler recirculation pump is connected, the controller

will only switch on the pump once the temperature has reached

the set value. If this function is not active, the pumps operate

independently and no other priorities are active for the ACM boiler

recirculation pump.`

To activate the priority function, hold down the button

until the letters "P" and "L" appear on the display. Use the or

buttons to select "P", then conrm with the button . Use

th eor buttons to turn the priority function ON or OFF.

Conrm your selection with the button.

L function (Holiday mode)

This function blocks the AT recirculation pump, leaving only the

ACM boiler recirculation pump active. The AT recirculation pump

will only activate when the boiler temperature reaches 90°C —

this is a protective function against overheating.

To activate Holiday mode , hold down the button until the

letters "P" and "L" appear on the display. Use the or

buttons to select "P", then conrm using .

Use the r obuttons to turn the priority function ON or OFF.

Conrm your selection with the button.

Hold down the and buttons to turn on the recirculation

pump. The pump will run until you turn it o manually by

pressing the buttons again.and

To view the boiler temperature, press the button.

The boiler temperature will be displayed after a few seconds.

This is the dierence between the temperature at which the

controller switches on the recirculation pump and the tempera-

ture at which it switches it o. The controller has a xed

hysteresis of 2 °C. For example:

1. If parameter "C" is set to 30 °C, the recirculation pump will turn

on when the measured temperature exceeds 30 °C and turn o

when the measured temperature falls below 28 °C.

2.If parameter "U" is set to 50 °C, the ACM boiler recirculation

pump will switch o when the measured temperature exceeds 50

°C and will switch on when the measured temperature falls

below the value "U–H".

The controller also has functions that prevent the pump from

jamming. The "anti-stop" function protects against limescale

deposits outside the heating season. The pump switches on every

14 days for 15 seconds.

Another protective function is "anti-freeze", which maintains

continuous pump operation if the sensor-measured temperature

falls below 5 °C.

The controller is equipped with an alarm signal that activates

when the temperature detected by the sensor exceeds 90 °C.

UK: [email protected]

DE: [email protected]

PL: [email protected]

FR: [email protected]

RO: [email protected]

DK: [email protected]

MANUFACTURER:

SALUS Controls plc,

Units 8-10,

Northeld Business Park,

Forge Way, Parkgate

Rotherham, S60 1SD

United Kingdom

IMPORTER:

Salus Controls

European Distribution sp.z o.o.

ul. Szamocka 8, piętro 6.,

01 748 Warszawa,

Poland

MULTILANGUAGE

MANUAL

Product specificaties