Nibe SMO 20 Guía del usuario

Installer manual

Control module

NIBE SMO 20

IHB EN 2235-1

731315

Quick guide

Navigation Ok button (confirm/select)

Back button (back/undo/exit)

Control knob (move/increase/reduce)

A detailed explanation of the button functions can be found on page 30.

How to scroll through menus and make different settings is described on page 32.

temperature 1.1

Set the indoor climate

INDOOR CLIMATE

HOT WATER

INFO

HEAT PUMP

The mode for setting the indoor temperature is accessed by pressing the OK button twice, when in the start mode in

the main menu.

INDOOR CLIMATE

HOT WATER

INFO

HEAT PUMP

off

temporary lux 2.1

3 hrs

6 hrs

12 hrs

one time

increase

Increase hot water volume

To increase the amount of hot water temporarily (if a water heater is installed), first turn the control knob to select

menu 2 (water droplet) and then press the OK button twice.

41 Important information

4Safety information

4Symbols

4Marking

5Serial number

5Recovery

6Inspection of the installation

7System solutions

92 Delivery and handling

9Mounting

9Removing the cover

9Supplied components

103 The Control Module Design

10General

114 Installing the installation

11General

11Software version

12Symbol key

12Connecting air/water heat pump

13Climate system

13Cold and hot water

14Installation alternative

165 Electrical connections

16General

18Connections

22Optional connections

25Connecting accessories

266 Commissioning and adjusting

26Preparations

26Commissioning

26Commissioning with additional heating only

26Check the reversing valve

26Check AUX socket

27Start-up and inspection

27Setting the cooling/heating curve

307 Control - Introduction

30Display unit

30Menu system

348 Control

34Menu 1 - INDOOR CLIMATE

35Menu 2 - HOT WATER

35Menu 3 - INFO

36Menu 4 - MY SYSTEM

37Menu 5 - SERVICE

429 Service

42Service actions

4510 Disturbances in comfort

45Info-menu

45Manage alarm

45Troubleshooting

46Additional heating only

4711 Accessories

4912 Technical data

49Dimensions

50Technical specifications

51Energy labelling

52Electrical circuit diagram

56Item register

59Contact information

3Table of ContentsNIBE SMO 20

Table of Contents

Safety information

This manual describes installation and service procedures

for implementation by specialists.

The manual must be left with the customer.

This appliance can be used by children

aged from 8 years and above and per-

sons with reduced physical, sensory or

mental capabilities or lack of experience

and knowledge if they have been given

supervision or instruction concerning use

of the appliance in a safe way and under-

stand the hazards involved. Children shall

not play with the appliance. Cleaning and

user maintenance shall not be made by

children without supervision.

This is an original manual. It may not be

translated without the approval of NIBE.

Rights to make any design or technical

modifications are reserved.

©NIBE 2022.

Electrical installation and wiring must be

carried out in accordance with national

provisions.

SMO 20 must be installed via an isolator

switch. The cable area has to be dimen-

sioned based on the fuse rating used.

If the supply cable is damaged, only NIBE,

its service representative or similar author-

ised person may replace it to prevent any

danger and damage.

Symbols

Explanation of symbols that may be present in this manual.

NOTE

This symbol indicates danger to person or machine.

Caution

This symbol indicates important information about

what you should consider when installing or servi-

cing the installation.

TIP

This symbol indicates tips on how to facilitate us-

ing the product.

Marking

Explanation of symbols that may be present on the product’s

label(s).

Danger to person or machine.

Read the User Manual.

NIBE SMO 20Chapter 1 | Important information4

Important information

Serial number

The serial number can be found on the top of the cover for

the control module and in the info menu (menu 3.1).

LEK

Serial number

Caution

You need the product's (14 digit) serial number for

servicing and support.

Recovery

Leave the disposal of the packaging to the installer

who installed the product or to special waste sta-

tions.

Do not dispose of used products with normal

household waste. It must be disposed of at a special waste

station or dealer who provides this type of service.

Improper disposal of the product by the user results in ad-

ministrative penalties in accordance with current legislation.

5Chapter 1 | Important informationNIBE SMO 20

Inspection of the installation

Current regulations require the heating installation to be inspected before it is commissioned. The inspection must be

carried out by a suitably qualified person.

In addition, fill in the page for the installation data in the User Manual.

DateSignatureNotesDescription

✔

Electrical connections

Communication, heat pump

Connected supply 230 V

Outside sensor

Temperature sensor, hot water charging

Temperature sensor, hot water top

External supply temperature sensor

External supply temperature sensor after

electric heater

External return line sensor

Charge pump

Shuttle valve

AUX1

AUX2

AUX3

AUX4

AUX5

AUX6

AA2-X4

Miscellaneous

Checking additional heater

Checking the function of the reversing valve

Checking charge pump function

Completed installation check of heat pump

and associated equipment

NIBE SMO 20Chapter 1 | Important information6

System solutions

COMPATIBLE PRODUCTS

The following combinations of products are recommended for control by SMO 20.

LEK

Volume vessel

Addition

Water heaterCirc. pump

Accumulator

with hot water

heater

HW control

Air/water heat

pump

Control module

UKV 40

UKV 100

UKV 200

UKV 300

UKV 500

ELK 15

ELK 26

ELK 213

VPB 200

VPB 300

VPBS 300

VPB 500

VPB 750-2

VPB 1000

CPD 11-25/65

VPA 200/70

VPA 300/200

VPA 450/300

VPAS 300/450

VST 05

AMS 20-6 /

HBS 20-6

SMO 20

AMS 20-10 /

HBS 20-10

F2050 – 6

F2050 – 10

S2125 – 8

VST 11

AMS 10-12 /

HBS 05-12

F2040 – 12

S2125 – 12

CPD 11-25/75

F2120 – 16

UKV 200

UKV 300

UKV 500

VPB 500

VPB 750-2

VPB 1000

VPA 300/200

VPA 450/300

VPAS 300/450

VST 20

AMS 10-16 /

HBS 05-16

F2040 – 16

F2120 – 20

7Chapter 1 | Important informationNIBE SMO 20

COMPATIBLE AIR/WATER HEAT PUMPS

F2040

F2040-16

Part no. 064 108

F2040-12

Part no. 064 092

F2050

F2050-10

Part no. 064 318

F2050-6

Part no. 064 328

F2120

F2120-20 3x400V

Part no. 064 141

F2120-16 3x400V

Part no. 064 139

S2125

S2125-8 3x400V

Part no. 064 219

S2125-8 1x230V

Part no. 064 220

S2125-12 3x400V

Part no. 064 217

S2125-12 1x230V

Part no. 064 218

NIBE SPLIT HBS 05

HBS 05-12

Part no. 067 480

AMS 10-12

Part no. 064 110

HBS 05-16

Part no. 067 536

AMS 10-16

Part no. 064 035

NIBE SPLIT HBS 20

HBS 20-6

Part no. 067 668

AMS 20-6

Part no. 064 235

HBS 20-10

Part no. 067 819

AMS 20-10

Part no. 064 319

Check the software version of compatible older NIBE

air/water heat pumps, see page 11.

NIBE SMO 20Chapter 1 | Important information8

Mounting

SMO 20 is a separate, electric control module and must be

mounted on a wall.

Caution

The screw type must be adapted to the surface

on which installation is taking place.

110

410

360

110

310

215

Use all mounting points and mount the module upright, flat

against the wall.Leave at least 100 mm of free space around

the module to allow access and make cable routing easier

during installation and servicing.

NOTE

The installation must be carried out in such a way

that IP21 is satisfied.

Removing the cover

The cover of the control module is opened using a Torx 25

screwdriver. Assemble in the reverse order.

LEK

Supplied components

LEK

Insulation tape

Outdoor temperature sensor

(BT1)

Cable ties

LEK

Aluminium tape

Heating pipe paste

Temperature sensor

9Chapter 2 | Delivery and handlingNIBE SMO 20

Delivery and handling

General

LEK

L N 1 1 0 2 3 4PE

21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

AA4-XF3

SF1

AA4

AA4-XF4

LEK

L N 1 1 0 2 3 4PE

AA2

FC1

AA7

UB2UB1

PZ3

ELECTRICAL COMPONENTS

Base cardAA2

Display unitAA4

USB socketAA4-XF3

Service outlet (No function)AA4-XF4

Extra relay circuit boardAA7

Miniature circuit-breakerFC1

Terminal block, incoming electrical supplyX1

Terminal block, control signal circulation pump,

sensors AUX inputs and heat pump

SwitchSF1

MISCELLANEOUS

Serial number platePZ3

Cable grommet, incoming supply electricity, supply for

accessories

UB1

Cable grommet, communicationUB2

Designations according to standard EN 81346-2.

NIBE SMO 20Chapter 3 | The Control Module Design10

The Control Module Design

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