Installer manual

LEK

NIBE FLMExhaust air module

IHB GB 1214-3031375

LEK

LEKLEK

Table of Contents1 Important information 2

Safety information 2

2 Delivery and handling 5Transport 5

Assembly 5

Supplied components 5

Removing the covers 5

3 The design of the exhaust air mod-ule 6

4 Pipe and ventilation connec-tions 8General pipe connections 8

Dimensions and pipe connections 8

Brine side 9

Condensation water hose 11

General ventilation connection 12

Ventilation flow 12

Adjusting ventilation 12

5 Electrical connections 13General 13

Connections 13

6 Commissioning and adjusting 17Preparations 17

Filling and venting 17

Start-up and inspection 18

7 Service 20Service actions 20

8 Disturbances in comfort 21Info-menu (F1145/F1245/F1345) 21

Manage alarm (F1145/F1245/F1345) 21

Troubleshooting 21

9 Accessories 23

10 Technical data 24Dimensions and setting-out coordinates 24

Technical specifications 25

Electrical circuit diagram 26

Item register 27

1Table of Contents |NIBE FLM

Safety informationThis manual describes installation and service proceduresfor implementation by specialists.

This appliance is not intended for use by persons (includ-ing children) with reduced physical, sensory or mentalcapabilities, or lack of experience and knowledge, unlessthey have been given supervision or instruction concern-ing use of the appliance by a person responsible for theirsafety.Children should be supervised to ensure that they do notplay with the appliance.Rights to make any design or technical modifications arereserved.©NIBE 2012.

Symbols

NOTE

This symbol indicates danger to machine orperson.

Caution

This symbol indicates important informationabout what you should observe when maintain-ing your installation.

TIP

This symbol indicates tips on how to facilitateusing the product.

Marking

NIBE FLM is CE marked and fulfils IP21.

The CE marking means that NIBE ensures that the productmeets all regulations that are placed on it based on relev-ant EU directives. The CE mark is obligatory for mostproducts sold in the EU, regardless where they are made.

IP21 means that the product can be touched by hand,that objects with a diameter larger than or equivalent to12.5 mm cannot penetrate and cause damage and thatthe product is protected against vertically falling drops.

Serial number

The serial number can be found at the bottom left insidethe front cover.

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Caution

Always give the product's serial number (14 di-gits) when reporting a fault.

Country specific information

Installer manual

This installer manual must be left with the customer.

NIBE FLMChapter 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 becarried out by a suitably qualified person. Current regulations require the exhaust air module to be inspected before itis commissioned. The inspection must be carried out by a suitably qualified person. Fill in the page for information aboutinstallation data in the User manual.

DateSignatureNotesDescription✔

Ventilation (page 12)

Setting the ventilation flow

Brine (page 9)

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 (page 13)

Supply connected 230 V

Circuit fuses

3Chapter 1 | Important informationNIBE FLM

Contact informationKNV Energietechnik GmbH, Gahberggasse 11, 4861 SchörflingAT

Tel: +43 (0)7662 8963-0 Fax: +43 (0)7662 8963-44 E-mail: mail@knv.at www.knv.atNIBE Wärmetechnik AG, Winterthurerstrasse 710, CH-8247 FlurlingenCH

Tel: (52) 647 00 30 Fax: (52) 647 00 31 E-mail: info@nibe.ch www.nibe.chDruzstevni zavody Drazice s.r.o, Drazice 69, CZ - 294 71 Benatky nad JizerouCZ

Tel: +420 326 373 801 Fax: +420 326 373 803 E-mail: nibe@nibe.cz www.nibe.czNIBE Systemtechnik GmbH, Am Reiherpfahl 3, 29223 CelleDE

Tel: 05141/7546-0 Fax: 05141/7546-99 E-mail: info@nibe.de www.nibe.deVølund Varmeteknik A/S, Member of the Nibe Group, Brogårdsvej 7, 6920 VidebækDK

Tel: 97 17 20 33 Fax: 97 17 29 33 E-mail: info@volundvt.dk www.volundvt.dkNIBE Energy Systems OY, Juurakkotie 3, 01510 VantaaFI

Puh: 09-274 697 0 Fax: 09-274 697 40 E-mail: info@nibe.fi www.nibe.fiNIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QGGB

Tel: 0845 095 1200 Fax: 0845 095 1201 E-mail: info@nibe.co.uk www.nibe.co.ukNIBE Energietechniek B.V., Postbus 2, NL-4797 ZG WILLEMSTAD (NB)NL

Tel: 0168 477722 Fax: 0168 476998 E-mail: info@nibenl.nl www.nibenl.nlABK AS, Brobekkveien 80, 0582 Oslo, Postadresse: Postboks 64 Vollebekk, 0516 OsloNO

Tel. sentralbord: +47 02320 E-mail: post@abkklima.no www.nibeenergysystems.noNIBE-BIAWAR Sp. z o. o. Aleja Jana Pawła II 57, 15-703 BIAŁYSTOKPL

Tel: 085 662 84 90 Fax: 085 662 84 14 E-mail: sekretariat@biawar.com.pl www.biawar.com.pl© "EVAN" 17, per. Boynovskiy, Nizhny NovgorodRU

Tel./fax +7 831 419 57 06 E-mail: info@evan.ru www.nibe-evan.ruNIBE AB Sweden, Box 14, Hannabadsvägen 5, SE-285 21 MarkarydSE

Tel: +46-(0)433-73 000 Fax: +46-(0)433-73 190 E-mail: info@nibe.se www.nibe.se

For countries not mention in this list, please contact NibeSweden or check www.nibe.eu for more information.

NIBE FLMChapter 1 | Important information4

TransportThe exhaust air module should be transported and storedin the dry.

AssemblyNIBE FLM is installed on top of the ground heat pump orfreestanding on brackets. Noise from the circulation pumpor fan can be transferred to the brackets.

Install with its back to an outside wall, ideally in aroom where noise does not matter, in order to elim-inate noise problems. If this is not possible, avoidplacing it against a wall behind a bedroom or otherroom where noise may be a problem.

Wherever the unit is located, walls to sound sensitiverooms should be fitted with sound insulation.

Route pipes so they are not fixed to an internal wallthat backs on to a bedroom or living room.

Installation area

Leave a space of 500 mm in front of the exhaust airmodule. Approximately 50 mm free space is required oneach side in order to open the side hatches. The hatchesdo not need to be opened during service, all service onNIBE FLM can be carried out from the front.

500

10–25*

(50) (50)

*Depending on routing of supply cables and pipes.

NOTE

Ensure that there is sufficient space (300 mm)above the exhaust air module for installingventilation hoses.

Supplied components

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Non-return valve Ø 32 mmTrim valve Ø 15 mm

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2 x screws (T25) for in-stalling NIBE FLM onF1145/F1245/F1345

Condensation water hose Ø20 mm

Location

The bag of supplied items is placed on top of NIBE FLM.

Removing the coversFront cover1. Remove the service cover by pulling it straight out.

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Side covers1. Undo the screws at the upper edge

2. Lift the side hatches upwards and twist the coveroutwards slightly.

3. Assembly takes place in the reverse order.

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5Chapter 2 | Delivery and handlingNIBE FLM

2 Delivery and handling

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NIBE FLMChapter 3 | The design of the exhaust air module6

3 The design of the exhaust air module

Exhaust air moduleNIBE FLMAZ

Pipe connectionsConnection, brine in, compression ring Ø 15 mmXL6Connection, brine out, compression ring Ø 15mm

XL7

Ventilation connection exhaust air, Ø 160 mmXL31Ventilation connection extract air, Ø 160 mmXL32Drip-pan drainXL40

HVAC componentsVenting brineQM21Circulation pumpGP2Heat exchangerEP16

Sensors etc.Temperature sensor, exhaust airBT20Temperature sensor, extract airBT21Temperature sensor, collector inBT26Temperature sensor, collector outBT27

Electrical componentsAccessory cardAA5Dip switchAA5-S2Joint cardAA100Switch, position 0 - 1, main switchSF1Switch, position 0 - 1, circulation pumpSF2PotentiometerSF3Cord with connection plugW1Control cableW6

VentilationFanGQ2Air filterHQ10

MiscellaneousType platePF1

Designations in component locations according tostandard IEC 81346-1 and 81346-2.

7Chapter 3 | The design of the exhaust air moduleNIBE FLM

General pipe connectionsPipe installation must be carried out in accordance withcurrent norms and directives.

Lowest permitted temperature on incoming brine is -5°C.

Symbol key

MeaningSymbol

Venting valve

Shut-off valve

Non-return valve

Control valve

Shunt / shuttle valve

Safety valve

Temperature sensor

Pressure gaugeP

Circulation pump

Particle filter

Dimensions and pipe connec-tions

32

320

38

58

408

100

72

NIBE FLMChapter 4 | Pipe and ventilation connections8

4 Pipe and ventilation connections

Brine sideOutput transfer to brine

0

0,5

1

1,5

2

100 150 200 250 300

The diagram shows the effect transferred from the vent-ilation air to the brine and applies to an air temperatureof +20°C and 50% relative air humidity.

Expansion vessel

The brine circuit must be supplied with a pressure expan-sion vessel (CM3). If there is already a level vessel (CM2)installed this should be replaced. The brine side must bepressurised to at least 0.5 bar.

The pressure expansion vessel should be dimensioned asset out in the diagram, to prevent operating disturbances.The pressure expansion vessel covers the temperaturerange from -10 °C to +20 °C for the brine at a pre-pres-sure of 0.5 bar and the safety valve's opening pressureof 3 bar.

0

0 100 200 300

10

20

30

40

50

400 500 600 700 800 900 1000

Trim valve

The brine circuit is supplied with trim valve (RN1). This isnecessary for adjusting the brine flow.

P

NOTE

Venting may be necessary at installation andafter a period of use. Vent through venting valve(QM21). When venting, the switch for the circu-lation pump (SF2) must be set to ”0”.

9Chapter 4 | Pipe and ventilation connectionsNIBE FLM

Connecting to F1145/F1245/F13451. Remove the service cover from F1145/F1245/F1345.

2. Remove the top panel from F1145/F1245/F1345 (in-stalled with 6 screws).

3. Install NIBE FLM from the top and slide into position.

4. Secure NIBE FLM with the 2 supplied screws.

5. Connect brine and ventilation pipes.

6. Reinstall the service cover on F1145/F1245/F1345.

NIBE FLM can also be installed freestanding on brackets.

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Connecting to another heat pump1. Install NIBE FLM on brackets.

2. Connect brine and ventilation pipes.

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NIBE FLMChapter 4 | Pipe and ventilation connections10

Condensation water hose1. Connect the condensation water hose to the drip-

pan drain (XL40).

2. Shape the hose into a water seal (see image). If NIBEFLM is connected to F1245 there is space for thehose and the water seal in the heat pump's insula-tion.

3. Route the hose to a floor drain or similar.

4. Refill the water seal with water.

Ensure that the end of the hose runs out above the waterlevel in the floor drain. The hose must be easily accessiblefor future cleaning.

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11Chapter 4 | Pipe and ventilation connectionsNIBE FLM

General ventilation connectionVentilation installation must be carried out in accordancewith current norms and directives.

To prevent fan noise being transferred to the ventilationdevices, it may be a good idea to install a silencer in theduct. This is especially important if there are ventilationdevices in bedrooms.

Connections must be made via flexible hoses, which mustbe installed so that they are easy to replace. The extractair duct must be provided with diffusion-tight insulation(PE30) over its entire length. Provision must be made forinspection and cleaning of the duct. Make sure that thereare no reductions of cross-sectional area in the form ofcreases, tight bends etc, since this will reduce the ventil-ation capacity. The air duct system must be a minimumof air tightness class B.

Exhaust air duct

Exhaust air duct (kitchen fan) must not be connected toNIBE FLM.

NOTE

A duct in a masonry chimney stack must not beused for extract air.

275

451

158

195

Ø160

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Ventilation flowConnect NIBE FLM so that all exhaust air except exhaustair duct air (kitchen fan) passes the heat exchanger (EP16)in the exhaust air module. The lowest ventilation flowaccording to current standards is 0.35 l/s per m² floorarea. For optimum exhaust air module performance theventilation flow should not be less than 31 l/s (110 m³/h).

Ensure that the ventilation openings are not blocked. Ifthe exhaust air module is connected to F1145/F1245 setthe ventilation capacity in the heat pump's menu system(menu 5.1.5). Otherwise the ventilation capacity is set viapotentiometer (AA5-SF3).

Adjusting ventilationTo obtain the necessary air exchange in every room ofthe house, the exhaust air devices must be correctly posi-tioned and adjusted and the fan in the exhaust air moduleadjusted.

The factory setting for the ventilation on the exhaust airmodule is high and you should therefore adjust theventilation immediately after installation so that it is setaccording to the projected value for the house.

A defective ventilation installation may lead to reducedinstallation efficiency and thus poorer operating economy,and may result in moisture damage to the house.

NIBE FLMChapter 4 | Pipe and ventilation connections12

GeneralAll electrical equipment is connected at the factory.

Disconnect NIBE FLM before insulation testing thehouse wiring.

For the exhaust air module wiring diagram, see page26.

Signal cables to external connections must not be laidclose to high current cables.

If the supply cable is damaged, only NIBE, its servicerepresentative or similar authorised person may re-place it to prevent any danger and damage.

NOTE

Electrical installation and service must be carriedout under the supervision of a qualified electri-cian. Electrical installation and wiring must becarried out in accordance with the stipulationsin force.

ConnectionsConnecting to F1145/F1245/F1345

Connecting the supply to NIBE FLM no. 1

In cases where NIBE FLM is installed together withF1145/F1245/F1345 it is possible to connect the supplyfor NIBE FLM no. 1 on the terminal block in the heatpump. If this is the case, remove the plug on the connec-tion cable (W1) and then connect the cable to the basecard (AA2) terminal block X1:4-6 in F1145/F1245 or onterminal blocks X2:6-9 and X2:11 inF1345.

F1145/F1245

X1:4 Yellow/green

X1:5 Blue

X1:6 Brown

F1345

X2:6or X2:7 Brown

X2:8 or X2:9 Blue

X2:11 Yellow/green

1 2 3 4 5 6

F1145

NIBE FLM

123456

F1245NIBE FLM

6 7 8 9 10 11

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13Chapter 5 | Electrical connectionsNIBE FLM

5 Electrical connections

Connecting the supply to NIBE FLM no. 2-4

NIBE FLM no. 2-4 is connected to a grounded single phasewall socket or a permanent installation. For permanentinstallations, NIBE FLM must be preceded by an isolatorswitch with at least a 3 mm breaking gap.

Connecting the communication to NIBE FLM no.1

F1145/F1245: Control cable (W6) with connector XJ6 isconnected to connection X6 on the base card(AA2).

F1345: Control cable (W6) with connector XJ6 is connec-ted to connection X1 on the display card(AA4).

F1145NIBE FLM

XJ6 X6

F1245

NIBE FLM

XJ6

X6

F1354

NIBE FLM

XJ6

X1

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The DIP switch (AA5-S2) must be set as follows.

ON 1

23

45

67

8

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NIBE FLMChapter 5 | Electrical connections14

Connecting the communication to NIBE FLM no.2-4

NIBE FLM no 2 is connected directly to the heat pump onthe input card (terminal block AA3-X4) in F1145/F1245or on terminal block X6 in F1345.

NIBE FLM no. 3 is connected to the accessory card's ter-minal block (AA5-X4) in NIBE FLM no. 2.

NIBE FLM no. 4 is connected in a similar way in NIBE FLMno. 3.

Use cable type LiYY, EKKX or similar.

1

2

3

4

5

6

7

8

AA5-X4

15

A

B

GND

A

B

GND

A

B

GND

A

B

GND

A

B

GND

14

13

AA3-X4

1

2

3

4

5

6

7

8

AA5-X4

X6

1 2 3 4

A

B

GND

ON 1

23

45

67

8

-X9

-X2

24 20212223 1516171819 1011121314 56789 1

1

N

L

PE

PE

1

2

3

4

5

6

7

8

2

3

4

5

6

7

8

9234

-X8

-X4

-X10

-X1

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ON 1

23

45

67

8

-X9

-X2

24 20212223 1516171819 1011121314 56789 1

1

N

L

PE

PE

1

2

3

4

5

6

7

8

2

3

4

5

6

7

8

9234

-X8

-X4

-X10

-X1

NIBE FLM 2-4 can be connected in a similar way to apreviously installed accessory and its accessory card.

The DIP switch (AA5-S2) must be set as follows.

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ON 1

23

45

67

8

NIBE FLM no. 3

ON 1

23

45

67

8

NIBE FLM no. 2

ON 1

23

45

67

8

NIBE FLM no. 4

15Chapter 5 | Electrical connectionsNIBE FLM

Connecting to another heat pump

In cases where NIBE FLM is installed together with anotherheat pump, connect the exhaust air module to a groun-ded single phase wall socket or through a permanent in-stallation. For permanent installations, NIBE FLM must bepreceded by an isolator switch with at least a 3 mmbreaking gap.

For installations with another heat pump do not connectcontrol cable (W6).

The DIP switch (AA5-S2) must be set as follows.O

N 12

34

56

78

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NIBE FLMChapter 5 | Electrical connections16

Preparations1. Check that the switch (SF1) in F1145/F1245/F1345

is in position "O".

2. Check that the filling valves are fully closed (see im-age below).

Filling and ventingFilling and venting the brine system

When filling the brine system, mix the water with anti-freeze in an open container. The mixture should be pro-tected against freezing down to about -15 °C. The brineis filled by connecting a filling pump.

1. Check that the level vessel (CM2) is replaced withexpansion vessel (CM3).

2. Check the brine system for leakage.

3. Connect the filling pump and return line on the brinesystem's filler connector as illustrated.

4. Close the three way valve in the filler connector (ac-cessory).

5. Open the valves on the filler connector.

6. Start the filling pump.

7. Fill until liquid enters the return pipe.

8. Vent the brine system with venting valve (QM21) onNIBE FLM.

9. Close the valves on the filler connector.

10. Open the three way valve in the filler connector.

P

NOTE

Venting may be necessary at installation andafter a period of use. Vent through venting valve(QM21). When venting, the switch for the circu-lation pump (SF2) must be set to ”0”.

17Chapter 6 | Commissioning and adjustingNIBE FLM

6 Commissioning and adjusting

Start-up and inspection

Start-up with F1145/F1245/F1345

1. Set the main switch (SF1) and the switch for circula-tion pump (SF2) on NIBE FLM to mode "1".

2. Check that the fan (GQ2) and circulation pump (GP2)are running.

3. Turn the heat pump's switch (SF1) to " ".

4. Follow the instructions in the start guide in the heatpump display. If the start guide does not start whenyou start the heat pump, start it manually in menu5.7.

Starting-up with ventilation only

In cases where NIBE FLM is to be run with ventilationonly, e.g. before the brine side is ready for connection.In this mode the circulation pump must be switched off.

1. Follow points 1-4 under "Starting withF1145/F1245/F1345", but leave the switch for circu-lation pump (SF2) in "0" mode.

2. When the brine side is connected the switch, circula-tion pump (SF2) is set to mode "1".

Commissioning with F1145/F1245/F1345

The first time the heat pump is started a start guide isstarted. The start guide instructions state what needs tocarried out at the first start together with a run throughof the heat pump’s basic settings.

The start guide ensures that the start-up is carried outcorrectly and cannot be bypassed. The start guide can bestarted later in menu 5.7.

Caution

As long as the start guide is active, no functionin the heat pump will start automatically.

The guide will appear at each heat pump restartuntil it is deselected on the last page.

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Starting-up with another heat pump

1. Set main switch (SF1) and the switch for circulationpump (SF2) to mode "0".

2. Set the main switch (SF1) and the switch for circula-tion pump (SF2) on NIBE FLM to mode "1".

3. Check that the fan (GQ2) and circulation pump (GP2)are running.

4. If necessary, set the speed on the fan using the po-tentiometer (SF3).

5. Start the heat pump.

Starting-up with ventilation only

In cases where NIBE FLM is to be run with ventilationonly, e.g. before the brine side is ready for connection.In this mode the circulation pump must be switched off.

1. Follow points 1-6 under "Starting with another heatpump", but leave the switch for circulation pump(SF2) in "0" mode.

2. When the brine side is connected, the switch for cir-culation pump (SF2) is set to mode "1".

Starting-up with another heat pump

Start the brine pump in the heat pump (see your heatpump's handbook).

The brine flow over NIBE FLM is regulated by the circula-tion pump (GP2) and trim valve (RN1) so that the temper-ature difference on brine in and out from NIBE FLM be-comes 2–4 degrees. The temperature is measured usingexternal test equipment.

Adjustments are made when the heat pump is running.Temperature difference applies at 20 °C room temperat-ure and 0 °C in the brine.

The brine flow through NIBE FLM will be from 0.1 l/s (360l/h) to 0.15 l/s (540 l/h) at the above temperature differ-ences, depending on the ventilation flow.

When the heat pump is at a standstill the internal circula-tion pump in NIBE FLM gives from 0.085 l/s (306 l/h) to0.125 l/s (450 l/h) in the return charging flow to the col-lector. This applies to a heat heat pump with approxim-ately 4 kW rated output. For a 15 kW heat pump thecorresponding flow is from 0.09 l/s (324 l/h) to 0.14 l/s(504 l/h).

NIBE FLMChapter 6 | Commissioning and adjusting18

Setting the ventilation

The factory setting for ventilation on the exhaust airmodule is high. Ventilation must be set according to ap-plicable norms. If NIBE FLM is connected toF1145/F1245/F1345 make the setting in menu 5.1.5.Otherwise ventilation is set via potentiometer (AA5-SF3).

Even if ventilation is roughly set at installation it is import-ant that a ventilation adjustment is ordered and permit-ted.

NOTE

Order a ventilation adjustment to complete thesetting.

Tillgänglig tryck(Pa)

000

0

50

100

150

200

250

300

350

400

450

500

50 100 150 200 250 300 350 400Luftflöde

(m³/h)(l/s)

20%

40%

60%

80%100%

25 50 75 100

0

20

40

60

80

100

120

140

0 20 40 60 80 100 120

Effekt(watt)

Luftflöde(l/s)

40%

50%

80%

90%/100%

30%10% 20%

60%

70%

Setting the pump speed

The speed of the circulation pump (GP2) is set using theswitch (GP2-SF4) on the pump so that it achieves theprojected flow for the house.

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I

IIIII

Tryck(kPa)

Flöde(l/h)0

0

10

20

30

40

50

60

200 400 600 800 1000 1200

Effekt(W)

Flöde(l/h)0

0

10

20

30

40

50

60

70

80

90

100

200 400 600 800 1000 1200

I

II

III

19Chapter 6 | Commissioning and adjustingNIBE FLM

Service actionsHelping the circulation pump to start

1. Shut off NIBE FLM by setting the switch (SF1) to "0".

2. Open the service cover.

3. Remove the fan.

4. Loosen the venting screw (QM5) with a screwdriver.Hold a cloth around the screwdriver blade as a smallamount of water may run out.

5. Insert a screwdriver and turn the pump motoraround.

6. Screw in the venting screw (QM5).

7. Start NIBE FLM by setting the switch (SF1) to "1" andcheck whether the circulation pump works.

It is usually easier to start the circulation pump with NIBEFLM running, switch (SF1) set to " 1". Helping the circu-lation pump to start is performed with NIBE FLM running,be prepared for the screwdriver to jerk when the pumpstarts.

Luftningsskruv

NIBE FLMChapter 7 | Service20

7 Service

If NIBE FLM is not installed together withF1145/F1245/F1345, go directly to sectionTroubleshooting.

In most cases, the heat pump F1145/F1245/F1345 notesoperational interference (operational interference canlead to disturbance in comfort) and indicates this withalarms and shows action instructions in the display.

Info-menu (F1145/F1245/F1345)All the heat pump measurement values are gatheredunder menu 3.1 in the heat pump menu system. Lookingthrough the values in this menu can often simplify findingthe fault source.

Manage alarm(F1145/F1245/F1345)

In the event of an alarm, some kind of malfunction hasoccurred, which is indicated by the status lamp changingfrom green continuously to red continuously. In addition,an alarm bell appears in the information window.

Alarm

In the event of an alarm with a red status lamp a malfunc-tion has occurred that the heat pump cannot remedy it-self. In the display, by turning the control knob andpressing the OK button, you can see the type of alarm itis and reset it. You can also choose to set the heat pumpto aid mode.

info / action Here you can read what the alarm meansand receive tips on what you can do to correct the prob-lem that caused the alarm.

reset alarm In most cases it is enough to select "resetalarm" to correct the problem that caused the alarm. Ifa green light illuminates after selecting "reset alarm" thealarm has been remedied. If a red light is still visible anda menu called ”alarm” is visible in the display, the prob-lem that caused the alarm remains. If the alarm disappearsand then returns, see the troubleshooting section (page21).

aid mode ”aid mode” is a type of emergency mode. Thismeans that the heat pump produces heat and/or hotwater despite there being some kind of problem with the

heat pump. This can mean that the heat pump's com-pressor is not running. In this case the immersion heaterproduces heat and/or hot water.

Problems withNIBE FLM do not affect heat pump opera-tion. You do not need to select "aid mode" in event ofproblems with NIBE FLM.

Caution

Selecting "aid mode” is not the same as correct-ing the problem that caused the alarm. Thestatus lamp will therefore continue to be red.

TroubleshootingIf the malfunction does not appear in the display or NIBEFLM is not connected to F1145/F1245/F1345, the follow-ing tips can be used:

Basic actions

Start by checking the following possible fault sources:

That the heat pump is running or that the supply cableto NIBE FLM is connected.

Group and main fuses of the accommodation.

The property's earth circuit breaker.

The heat pump's miniature circuit breaker (FA1).

Low or a lack of ventilationFilter (HQ10) blocked.

Clean or replace the filter.

Exhaust air device blocked or throttled down toomuch.

Check and clean the exhaust air devices.

Fan speed in reduced mode.

If NIBE FLM is connected to F1145/F1245/F1345:Enter menu 1.2 and select "normal".

If NIBE FLM is connected to another heat pump:Check the potentiometer (SF3).

External switch for changing the fan speed activated.

Check any external switches.

High or distracting ventilationThe ventilation is not adjusted.

Order/implement ventilation adjustment.

Fan speed in forced mode.

If NIBE FLM is connected to F1145/F1245/F1345:Enter menu 1.2 and select "normal".

If NIBE FLM is connected to another heat pump:Check the potentiometer (SF3).

External switch for changing the fan speed activated.

Check any external switches.

Filter (HQ10) blocked.

21Chapter 8 | Disturbances in comfortNIBE FLM

8 Disturbances in comfort

Clean or replace the filter.

Gurgling soundNot enough water in the water seal.

Refill the water seal with water.

Choked water seal.

Check and adjust the condensation water hose.

NIBE FLMChapter 8 | Disturbances in comfort22

Brackets

Wall mounting of NIBE FLM.

Part no. 067 083

23Chapter 9 | AccessoriesNIBE FLM

9 Accessories

Dimensions and setting-out coordinates

275

451

158

195

556

32

320

38

58

596

408

331

352

302

44

100

72

600

Ø160

NIBE FLMChapter 10 | Technical data24

10 Technical data

Technical specificationsElectrical data

230, 50 HzVSupply voltage

75WMax driving power circulation pump

175WDriving power fan

IP 21Enclosure class

Ventilation

350m3/hMax airflow

Brine circuit

-8°CMinimum incoming brine temperature

15°CMaximum recommended incoming brine temperature

30°CMaximum outgoing brine temperature

0.02/0.2MPa/barMin pressure brine

0.3/3MPa/barMaximum pressure brine

Sound power level according to EN 12,102

36-46dB(A)Sound power level (LW(A))1

Dimensions and weight

600mmWidth

556mmDepth

396mmHeight

35kgWeight

067 011Part No.

1 The value varies with the selected fan curve.

25Chapter 10 | Technical dataNIBE FLM

Electrical circuit diagram

NIBE FLMChapter 10 | Technical data26

Item registerAAccessories, 23Adjusting ventilation, 12Assembly, 5

BBrine side, 9

Flow regulating valve, 9Output transfer to brine, 9Pressure expansion vessel, 9

CCommissioning and adjusting, 17

Filling and venting, 17Preparations, 17Start-up and inspection, 18

Condensation water hose, 11Connecting to another heat pump, 16Connecting to F1145/F1245, 13Contact information, 4

DDelivery and handling, 5

Removing the covers, 5Supplied components, 5

Dimensions and pipe connections, 8Dimensions and setting-out coordinates, 24Disturbances in comfort, 21

Manage alarm, 21Troubleshooting, 21

EElectrical circuit diagram, 26Electrical connections, 13

Connecting to another heat pump, 16Connecting to F1145/F1245, 13Connections, 13General, 13

Exhaust air duct, 12

FFilling and venting, 17

Filling and venting the brine system, 17Filling and venting the brine system, 17Flow regulating valve, 9

HHelping the circulation pump to start, 20

IImportant information, 2

Safety information, 2Inspection of the installation, 3

MManage alarm, 21Marking, 2

OOutput transfer to brine, 9

PPipe and ventilation connections, 8

Adjusting ventilation, 12Brine side, 9Condensation water hose, 11Dimensions and pipe connections, 8Exhaust air duct, 12General pipe connections, 8General ventilation connection, 12Ventilation flow, 12

Pipe connectionsSymbol key, 8

Preparations, 17Pressure expansion vessel, 9

RRemoving the covers, 5

SSafety information, 2

Contact information, 4Inspection of the installation, 3Marking, 2Serial number, 2Symbols, 2

Serial number, 2Service, 20

Service actions, 20Service actions, 20

Helping the circulation pump to start, 20Start-up and inspection, 18

Setting the pump speed, 19Setting the ventilation, 19Starting-up with another heat pump, 18Start-up with F1145/F1245, 18

Supplied components, 5Symbol key, 8Symbols, 2

TTechnical data, 24

Dimensions and setting-out coordinates, 24Electrical circuit diagram, 26Technical Data, 25

Technical Data, 25The design of the exhaust air module, 6

List of components, 7Transport

Assembly, 5Troubleshooting, 21

VVentilation flow, 12

27Chapter 11 | Item registerNIBE FLM

11 Item register

NIBE FLMChapter 11 |28

NIBE AB Sweden Hannabadsvägen 5Box 14 SE-285 21 Markarydinfo@nibe.sewww.nibe.eu

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