Nibe VVM 325 User guide

Installer manual
APH
NIBE™ VVM 325
Indoor module
IHB GB 1524-2
331115

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 34.
How to scroll through menus and make different settings is described on page 35.
Set the indoor climate
2X
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 38.
Increase hot water volume
2X
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 47.
Read more about the settings on page 47.
In event of disturbances in comfort
If a disturbance in comfort of any type occurs there are some measures that can be taken before you need to
contact your installer. See page 67 for instructions.

Table of Contents
21 Important information
2Safety information
52 Delivery and handling
5Transport
5Assembly
5Supplied components
6Removing the covers
73 Indoor module's design
94 Pipe connections
9General pipe connections
10Dimensions and pipe connections
12Installation alternative
195 Electrical connections
19General
22Connections
25Settings
27Optional connections
30Connecting accessories
316 Commissioning and adjusting
31Preparations
31Filling and venting
32Start-up and inspection
347 Control - Introduction
34Display unit
35Menu system
388 Control - Menus
38Menu 1 - INDOOR CLIMATE
47Menu 2 - HOT WATER
49Menu 3 - INFO
50Menu 4 - MY SYSTEM
56Menu 5 - SERVICE
639 Service
63Service actions
6710 Disturbances in comfort
67Info menu indoor module
67Manage alarm
67Troubleshooting
6911 Accessories
7112 Technical data
71Dimensions and setting-out coordinates
72Technical specifications
73Electrical circuit diagram, 3 x 400V
78Index
1Table of Contents |NIBE™ VVM 325

Safety information
This manual describes installation and service proced-
ures for implementation by specialists.
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
understand the hazards involved. Chil-
dren shall not play with the appliance.
Cleaning and user maintenance shall
not be made by children without super-
vision.
Rights to make any design or technical
modifications are reserved.
©NIBE 2015.
Symbols
NOTE
This symbol indicates danger to machine or
person.
Caution
This symbol indicates important information
about what you should observe when main-
taining your installation.
TIP
This symbol indicates tips on how to facilitate
using the product.
Marking
VVM 325 is CE marked and fulfils IP21.
The CE marking means that NIBE ensures that the
product meets all regulations that are placed on it
based on relevant EU directives. The CE mark is obligat-
ory for most products sold in the EU, regardless where
they are made.
IP21 means that objects with a diameter larger than
or equivalent to 12.5 mm cannot penetrate and cause
damage and that the product is protected against
vertically falling drops of water.
Serial number
The serial number can be found at the bottom right of
the front cover and in the info menu (menu 3.1).
The serial number can be found to the left, on top of
VVM 325.
Serial number
Caution
Always give the product's serial number (14
digits) when reporting a fault.
Country specific information
Installer manual
This installer manual must be left with the customer.
English
Warranty and insurance information
Mellan dig som privatperson och företaget du köpt
VVM 325 av gäller konsumentlagarna. För fullständiga
villkor se www.konsumentverket.se. Mellan Nibe och
det företag som sålt produkten gäller AA VVS. I enlighet
med denna lämnar Nibe tre års produktgaranti till
företaget som sålt produkten. Produktgarantin ersätter
inte höjd energiförbrukning eller skada som uppkom-
mit p.g.a. yttre omständigheter som t.ex. felaktig install-
ation, låg vattenkvalité eller elektriska spänningsvari-
ationer.
Det är du som ägare som har huvudansvaret för an-
läggningen. För att du ska kunna känna dig trygg med
att produkten fungerar som det är tänkt är det en bra
idé att regelbundet läsa av bostadens energimätare.
Om du misstänker att produkten på något sätt inte
fungerar som den ska anmäler du detta omgående till
den du köpte produkten av.
NIBE™ VVM 325Chapter 1 | Important information2
1 Important information

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. Fill in the page for information about installation data in the User
manual.
DateSignatureNotesDescription
✔
Heating medium (page 15)
System flushed
System vented
Expansion vessel
Particle filter
Safety valve
Shut off valves
Boiler pressure
Connected according to outline diagram
Hot water (page 15)
Shut off valves
Mixing valve
Safety valve
Electricity (page 19)
Connected communication
Circuit fuses
Fuses, indoor module
Fuses property
Outside sensor
Room sensor
Current sensor
Safety breaker
Earth circuit-breaker
Setting of emergency mode thermostat
Miscellaneous
Docked to
3Chapter 1 | Important informationNIBE™ VVM 325

Contact information
KNV Energietechnik GmbH, Gahberggasse 11, 4861 SchörflingAT
Tel: [phone] Fax: [phone] E-mail: [e-mail] www.knv.at
NIBE Wärmetechnik AG, Winterthurerstrasse 710, CH-8247 FlurlingenCH
Tel: [phone] Fax: [phone] E-mail: inf[email protected] www.nibe.ch
Druzstevni zavody Drazice s.r.o, Drazice 69, CZ - 294 71 Benatky nad JizerouCZ
Tel: [phone] Fax: [phone] E-mail: [email protected] www.nibe.cz
NIBE Systemtechnik GmbH, Am Reiherpfahl 3, 29223 CelleDE
Tel: [phone] Fax: [phone] E-mail: inf[email protected] www.nibe.de
Vølund Varmeteknik A/S, Member of the Nibe Group, Brogårdsvej 7, 6920 VidebækDK
Tel: [phone] Fax: [phone] E-mail: inf[email protected] www.volundvt.dk
NIBE Energy Systems OY, Juurakkotie 3, 01510 VantaaFI
Puh: 09-274 697 0 Fax: [phone] E-mail: inf[email protected] www.nibe.fi
NIBE Energy Systems France Sarl, Zone industrielle RD 28, Rue du Pou du Ciel, 01600 ReyrieuxFR
Tel : [phone] Fax : [phone] E-mail: inf[email protected] www.nibe.fr
NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QGGB
Tel: [phone] Fax: [phone] E-mail: inf[email protected] www.nibe.co.uk
NIBE Energietechniek B.V., Postbus 634, NL 4900 AP OosterhoutNL
Tel: [phone] Fax: [phone] E-mail: inf[email protected] www.nibenl.nl
ABK AS, Brobekkveien 80, 0582 Oslo, Postadresse: Postboks 64 Vollebekk, 0516 OsloNO
Tel. sentralbord: [phone] E-mail: [email protected] www.nibeenergysystems.no
NIBE-BIAWAR Sp. z o. o. Aleja Jana Pawła II 57, 15-703 BIAŁYSTOKPL
Tel: [phone] Fax: [phone] E-mail: [e-mail] www.biawar.com.pl
© "EVAN" 17, per. Boynovskiy, Nizhny NovgorodRU
Tel./fax [phone] E-mail: [email protected] www.nibe-evan.ru
NIBE AB Sweden, Box 14, Hannabadsvägen 5, SE-285 21 MarkarydSE
Tel: [phone] Fax: [phone] E-mail: inf[email protected] www.nibe.se
For countries not mention in this list, please contact Nibe Sweden or check www.nibe.eu for more information.
NIBE™ VVM 325Chapter 1 | Important information4

Transport
VVM 325 should be transported and stored vertically
in a dry place. However, the VVM 325 may be carefully
laid on its back when being moved into a building.
Assembly
■Position VVM 325 on a firm base that can take the
weight, preferably on a concrete floor or foundation.
Use the product's adjustable feet to obtain a horizont-
al and stable set-up.
30 - 50 mm
30 - 50 mm
15 - 40 mm
■The area where VVM 325 is located must be
equipped with floor drainage.
Installation area
Leave a free space of 800 mm in front of the product.
All service on VVM 325 can be carried out from the
front.
800
NOTE
Leave 10-25 mm free space between the in-
door module and the wall behind for routing
of cables and pipes.
Supplied components
Room sensorOutside sensor
LEK
LEK
LEK
Current sensor
Location
The kit of supplied items is placed on top of the
product.
5Chapter 2 | Delivery and handlingNIBE™ VVM 325
2 Delivery and handling

Removing the covers
Front cover
1
2
LEK
LEK
LEK
LEK
LEK
1. Remove the screws from the lower edge of the
front cover.
2. Lift the cover out at the bottom edge and up.
Side covers
LEK
LEK
LEK
The side covers can be removed to facilitate the install-
ation.
NOTE
50 mm space required to remove the side
panels.
1. Remove the screws from the upper and lower
edges.
2. Twist the cover slightly outward.
3. Move the hatch backwards and slightly to the side.
4. Pull the cover to one side.
5. Pull the hatch forwards.
NIBE™ VVM 325Chapter 2 | Delivery and handling6

VVM 325
LEK
VVM325 VVM325
PF3
FD1-BT30
FD1
AA1
FA1
AA1-S2
AA3
AA2
W130
SF1
AA4-XJ3
AA4-XJ4
BP5
BT6
GP6
GP1
PF1
PF3
EB1
BT63
QN10
PF3PF1 AA4 BT7
QN4
QM11 QM20 QM22
CM1
XL8 XL9 XL1
XL2
BT2 BT3
XL4
XL3
RM1
FL1
FL2
FD1-SF2
7Chapter 3 | Indoor module's designNIBE™ VVM 325
3 Indoor module's design

Rear side
UB2
UB1
WM1
Pipe connections
Connection, heating medium supply line Ø22
mm
XL1
Connection, heating medium return line Ø22
mm
XL2
Connection, cold water Ø22 mmXL3
Connection, hot water Ø22 mmXL4
Connection, docking from heat pump Ø22 mmXL8
Connection, docking to heat pump Ø22 mmXL9
HVAC components
Expansion vessel, closed, heating mediumCM1
Safety valve, water heaterFL1
Safety valve, heating mediumFL2
Heating medium pump, charge pump/heating
medium
GP1
Circ. pump 2GP6
Filler valve, heating mediumQM11
Venting valve, climate systemQM20
Venting valve, coilQM22
Valve, bypassQN4
Reversing valve, climate system/water heating,
flow line
QN10
Check valve, cold waterRM1
TundishWM1
Sensors etc.
Manometer, heating systemBP5
Temperature sensors, heating medium flowBT2
Temperature sensors, heating medium returnBT3
Temperature sensor, hot water, chargingBT6
Temperature sensor, hot water, topBT7
Temperature sensor, heating medium supply
after immersion heater
BT63
Thermostat, standby modeFD1-
BT30
Electrical components
Immersion heater cardAA1
AA1-S2 Switch (DIP switch) on circuit board
Base cardAA2
Input circuit boardAA3
Display unitAA4
AA4-XJ3 USB socket
AA4-XJ4 Service socket
Immersion heaterEB1
Miniature circuit-breakerFA1
Temperature limiterFD1
Resetting temperature limiterFD1-
SF2
Main switchSF1
Network cable for NIBE UplinkTM W130
Miscellaneous
Rating platePF1
Serial number platePF3
Cable glandUB1
Cable glandUB2
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
NIBE™ VVM 325Chapter 3 | Indoor module's design8