Nibe FLM S45 Guida utente
IHB EN 1926-1
531269
INSTALLER MANUAL
Exhaust air module
NIBE FLM S45
LEK
LEK
LEK
41 Important information
4Safety information
72 Delivery and handling
7Transport
7Assembly
8Supplied components
8Removing the covers
93 The design of the exhaust air module
10Pipe connections
10HVAC components
10Sensors etc.
10Electrical components
10Ventilation
10Miscellaneous
114 Pipe and ventilation connections
11General pipe connections
12Dimensions and pipe connections
12Mounting
13Brine side
14Condensation water hose
15General ventilation connection
15Ventilation flow
15Adjusting ventilation
15Dimension and ventilation connections
16Installation alternative
185 Electrical connections
18General
18Connections
226 Commissioning and adjusting
22Preparations
22Filling and venting
23Start-up and inspection
267 Program settings
26Menu system
288 Service
28Service actions
299 Disturbances in comfort
29Troubleshooting
3010 Accessories
3111 Technical data
31Dimensions and setting-out coordinates
32Technical specifications
33Electrical circuit diagram
35Item register
39Contact information
3Table of ContentsNIBE FLM S45
Table of Contents
Safety information
This manual describes installation and service proced-
ures 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 persons
with reduced physical, sensory or mental
capabilities or lack of experience and
knowledge if they have been given super-
vision or instruction 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 2019.
SYMBOLS
NOTE
This symbol indicates danger to person or ma-
chine .
Caution
This symbol indicates important information
about what you should consider when installing
or servicing the 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, regardless of where they are made.
CE
Classification of enclosure of electro-technical equip-
ment.
IP21
Danger to person or machine.
!
Read the User Manual.
NIBE FLM S45Chapter 1 | Important information4
1 Important information
SERIAL NUMBER
The serial number can be found at the bottom left inside
the front cover.
LEK
Caution
You need the product's (14 digit) serial number
for servicing and support.
RECOVERY
Leave the disposal of the packaging to the in-
staller who installed the product or to special
waste stations.
When disposing of the product, its constituent
materials and components, e.g. compressors,
fans, circulation pumps and circuit boards, must be dis-
posed of at a special waste station or dealer who
provides this type of service.
To access the separate components, refer to the section
that shows the construction of the product. No special
tools are required for access.
Improper disposal of the product by the user results in
administrative penalties in accordance with current le-
gislation.
5Chapter 1 | Important informationNIBE FLM S45
INSPECTION OF THE INSTALLATION
In addition, fill in the page for the installation data in the User Manual.
Current regulations require the heating installation to be inspected before it is commissioned. The inspection must
be carried out by a suitably qualified person. Current regulations require the exhaust air module 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
✔
Ventilation
Setting the ventilation flow
Brine
Non-return valve
System flushed
System vented
Antifreeze
Expansion vessel
Particle filter
Safety valve
Shut off valves
Circulation pump setting
Checking the condensation water seal
Trim valve
Electricity
Connections
Phase voltage
Supply connected 230 V
Circuit fuses
NIBE FLM S45Chapter 1 | Important information6
Transport
The exhaust air module should be transported and stored
in the dry.
Assembly
FLM S45 is installed on top of the ground heat pump or
freestanding on brackets. Noise from the circulation
pump or fan can be transferred to the brackets.
•Install with its back to an outside wall, ideally in a room
where noise does not matter, in order to eliminate
noise problems. If this is not possible, avoid placing
it against a wall behind a bedroom or other room
where noise may be a problem.
• Wherever the unit is located, walls to sound sensitive
rooms should be fitted with sound insulation.
• Route pipes so they are not fixed to an internal wall
that backs on to a bedroom or living room.
INSTALLATION AREA
Leave a free space of 800 mm in front of the product.
Leave free space between FLM S45 and wall/fit-
tings/cables/pipes etc. It is recommended that a space
of at least 10 mm is left to reduce the risk of noise and
of any vibrations being propagated.
800
NOTE
Ensure that there is sufficient space (300 mm)
above FLM S45 for installing ventilation hoses.
7Chapter 2 | Delivery and handlingNIBE FLM S45
2 Delivery and handling
Supplied components
Non-return valve (RM1)
Ø 32 mm
LEK
Trim valve (RN1)
Ø 15 mm
2 x screws (T25) for in-
stalling FLM S45 on NIBE
heat pump
LEK
Condensation water hose
Ø 20 mm
LOCATION
The bag of supplied items is placed on top of FLM S45.
Removing the covers
FRONT COVER
1. Remove the service cover by pulling it straight out.
LEK
SIDE COVERS
1. Undo the screws at the upper edge.
2. Lift the side hatches upwards and twist the cover
outwards slightly.
3. Assembly takes place in the reverse order.
LEK
NIBE FLM S45Chapter 2 | Delivery and handling8
LEK
LEK
S3 AA5-S2 AA5
SF3
AA5
LEK
LEK
PF1 HQ10 AA100 BT21
BT20 QM21 XL32
XL31
XL32 BT20
HQ10
XL31
AA100
QM21
PZ1
BT21
LEK
W1
SF2 SF1
XL40W6
LEK
LEK
EP16 GQ2 GP2
XL6 XL7BT27
BT26
GQ2EP16
XL6 XL7
GP2
BT26 BT27
9Chapter 3 | The design of the exhaust air moduleNIBE FLM S45
3 The design of the exhaust air
module
Pipe connections
Connection, brine in, compression ring Ø 15 mmXL6
Connection, brine out, compression ring Ø 15 mmXL7
Ventilation connection exhaust air, Ø 160 mmXL31
Ventilation connection extract air, Ø 160 mmXL32
Drip-pan drainXL40
HVAC components
Heat exchangerEP16
Circulation pump, brineGP2
Venting brineQM21
Sensors etc.
Temperature sensor, exhaust airBT20
Temperature sensor, extract airBT21
Temperature sensor, collector inBT26
Temperature sensor, collector outBT27
Electrical components
Accessory cardAA5
Joint cardAA100
Switch, position 0 - 1, main switchSF1
Switch, position 0 - 1, circulation pumpSF2
PotentiometerSF3
Cord with connection plugW1
Communication cableW6
Ventilation
Exhaust air fanGQ2
Exhaust air filterHQ10
Miscellaneous
Type platePZ1
Designations according to standard EN 81346-2.
NIBE FLM S45Chapter 3 | The design of the exhaust air module10
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