Nibe VVM 225 Manuale utente

UHB EN 2028-3

431489

USER MANUAL

Electric boiler, indoor module

NIBE VVM 225

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 12.

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

page 17.

Set the indoor climate

MY INSTALLATION

INDOOR CLIMATE HOT WATER

INFO

The mode for setting the indoor temperature is accessed by pressing the OK

button twice, when in the start mode in the main menu. Read more about

the settings on page 27.

Increase hot water volume

1X INDOOR CLIMATE HOT WATER

MY INSTALLATION INFO

To temporarily increase the amount of hot water, first turn the control knob

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

more about the settings on page 48.

In event of disturbances in comfort

If you experience any disturbance in comfort, there are some measures you

can take yourself before you need to contact your installer. See the "Disturb-

ances in comfort" section for instructions.

51 Important information

5Installation data

6Safety information

7Symbols

7Marking

8Serial number

8Country specific information

9VVM 225 - An excellent choice

102 The heating installation – the heart of the house

11Installation function

12Contact with VVM 225

21Maintenance of VVM 225

23Saving tips

263 VVM 225 – at your service

26Set the indoor climate

47Set the hot water capacity

52Get information

55Adjust the electric boiler/indoor module

774 Disturbances in comfort

77Info-menu

77Manage alarm

79Troubleshooting

835 Technical data

846 Glossary

88Item register

3Table of ContentsNIBE VVM 225

Table of Contents

91Contact information

NIBE VVM 225Table of Contents4

Installation data

VVM 225Product

Serial number

Installation date

Installer

SetDefault set-

tings

NameNo.

0temperature (heating curve offset)1.1

9heating curve (curve slope)1.9.1

20min. flow line temp.1.9.3

Accessories

Always state the serial number.

Certification that the installation is carried out according to instructions

in NIBE's installer manual and applicable regulations.

_________________________Signed__________________Date

5Chapter 1 | Important informationNIBE VVM 225

1 Important information

Safety information

This appliance can be used by children aged from 8

years and above and persons with reduced physical,

sensory or mental capabilities or lack of experience and

knowledge if they have been given supervision or in-

struction concerning use of the appliance in a safe way

and understand the hazards involved. Children shall not

play with the appliance. Cleaning and user maintenance

shall not be made by children without supervision.

Rights to make any design or technical modifications

are reserved.

©NIBE 2020.

VVM 225 must be installed via an isolator switch. The

cable area has to be dimensioned based on the fuse rating

used.

If the supply cable is damaged, only NIBE, its service

representative or similar authorised person may replace

it to prevent any danger and damage.

Do not start VVM 225 if there is a risk that the water in

the system has frozen.

MinMaxSystem pressure

0.05 MPa

(0.5 bar)

0.3 MPa

(3 bar)

Heating medium

0.01 MPa

(0.1 bar)

1.0 MPa

(10 bar)

Domestic water

NIBE VVM 225Chapter 1 | Important information6

Symbols

NOTE

This symbol indicates danger to person or machine .

Caution

This symbol indicates important information about what you

should observe when maintaining your installation.

TIP

This symbol indicates tips on how to facilitate using the product.

Marking

The CE mark is obligatory for most products sold in the EU, re-

gardless of where they are made.

Classification of enclosure of electro-technical equipment.IPX1B

Danger to person or machine.

Read the User Manual.

7Chapter 1 | Important informationNIBE VVM 225

Serial number

The serial number can be found at the bottom right of the front cover,

in the info menu (menu 3.1) and on the type plate .

VVM225

Serial number

Caution

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

and support.

NIBE VVM 225Chapter 1 | Important information8

VVM 225 - An excellent choice

The electric boiler/indoor module can be connected to any low temper-

ature heat distribution system, e.g. radiators, convectors or underfloor

heating. It is also prepared for connection to a number of different

products and accessories, e.g. solar or other external heat source, extra

water heater, swimming pool and climate systems with different tem-

peratures.

VVM 225 is equipped with a control computer for good comfort, good

economy and safe operation. Clear information about status, operating

time and all temperatures in the system is shown on the large and easy

to read display. This means, for example, that external unit thermometers

are not necessary.

EXCELLENT PROPERTIES FOR VVM 225:

•Integrated water heater

There is a water heater integrated in VVM 225, which is insulated with

environmentally friendly cellular plastic for minimal heat loss.

•Scheduling the indoor comfort and hot water

Heating and hot water can be scheduled for each day of the week or

for longer periods (vacation).

•Large display with user instructions

The electric boiler/indoor module has a large display with easy-to-un-

derstand menus that help make setting a comfortable indoor climate

easy.

9Chapter 1 | Important informationNIBE VVM 225

Förångare

Kondensor 80 °C

2 °C-3 °C

0 °C-7 °C

Expansionsventil Kompressor

Värmebärare

Köldmedium

Uteluft

55 °C45 °C

Heating medium

Värmebärare

Köldmedium

Köldbärare

Värmekälla

Förångare

Kondensor 100 °C

0 °C-3 °C

-2 °C

50 °C40 °C

Expansionsventil Kompressor

Outdoor air

Refrigerant

Evaporator

Condenser

Expansion valve Compressor

Heat source 1

The temperatures are only examples and may vary between different installations and

time of year.

NIBE VVM 225Chapter 2 | The heating installation – the heart of the house10

2 The heating installation – the

heart of the house

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