Nibe F750 User guide

Installer manual

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NIBE™ F750

Exhaust air heat pump

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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 36.

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The mode for setting the indoor temperature is reached, when in the start mode in the main menu, by pressing the

OK button twice. Read more about the settings on page 38.

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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 44.

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 60 for instructions.

Table of Contents

1 Important information 2

Safety information 2

2 Delivery and handling 6

Transport 6

Assembly 6

Supplied components 7

Removing the covers 8

Removing parts of the insulation 8

3 The heat pump design 10

4 Pipe and ventilation connec-

tions 15

General pipe connections 15

Dimensions and pipe connections 16

Symbol key 17

Cold and hot water 17

Heating medium side 17

Installation alternative 18

General ventilation connection 20

Ventilation flow 20

Adjusting ventilation 20

5 Electrical connections 21

General 21

Connections 23

Settings 25

Optional connections 27

Connecting accessories 29

6 Commissioning and adjusting 30

Preparations 30

Filling and venting 30

Start-up and inspection 31

7 Control - Introduction 34

Display unit 34

Menu system 35

8 Control - Menus 38

Menu 1 - INDOOR CLIMATE 38

Menu 2 - HOT WATER 44

Menu 3 - INFO 46

Menu 4 - HEAT PUMP 47

Menu 5 - SERVICE 52

9 Service 56

Service actions 56

10 Disturbances in comfort 60

Info-menu 60

Manage alarm 60

Troubleshooting 60

11 Accessories 62

12 Technical data 63

Dimensions and setting-out coordinates 63

Technical specifications 64

Electrical circuit diagram 66

Item register 72

1Table of Contents |NIBE™ F750

Safety information

This manual describes installation and service procedures

for implementation by specialists.

This appliance can be used by children aged

from 8 years and above and persons with

reduced physical, sensory or mental capab-

ilities 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 su-

pervision.

Rights to make any design or technical

modifications are reserved.

©NIBE 2013.

Symbols

NOTE

This symbol indicates danger to machine or

person.

Caution

This symbol indicates important information

about what you should observe when maintain-

ing your installation.

TIP

This symbol indicates tips on how to facilitate

using the product.

Marking

F750 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 relev-

ant EU directives. The CE mark is obligatory for most

products 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 to

12.5 mm cannot penetrate and cause damage and that

the product is protected against vertically falling drops.

NIBE™ F750Chapter 1 | Important information2

1 Important information

Serial number

The serial number can be found at the bottom right of

the front cover and in the info menu (menu 3.1).

6HULDO QXPEHU

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.

3Chapter 1 | Important informationNIBE™ F750

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

✔

Ventilation (page 20)

Setting the ventilation flow

Heating medium (page 17)

System flushed

System vented

Circulation pump setting

Setting heating medium flow

Boiler pressure

Hot water

Mixing valve

Electricity (page 21)

Fuses heat pump

Fuses property

Outside sensor

Room sensor

Current sensor (does not apply to enamel)

Safety breaker

Earth circuit-breaker

NIBE™ F750Chapter 1 | Important information4

Contact information

KNV Energietechnik GmbH, Gahberggasse 11, 4861 SchörflingAT

Tel: +43 (0)7662 8963-0 Fax: +43 (0)7662 8963-44

NIBE Wärmetechnik AG, Winterthurerstrasse 710, CH-8247 FlurlingenCH

Tel: (52) 647 00 30 Fax: (52) 647 00 31

Druzstevni zavody Drazice s.r.o, Drazice 69, CZ - 294 71 Benatky nad JizerouCZ

Tel: +420 326 373 801 Fax: +420 326 373 803

NIBE Systemtechnik GmbH, Am Reiherpfahl 3, 29223 CelleDE

Tel: 05141/7546-0 Fax: 05141/7546-99

Vølund Varmeteknik A/S, Member of the Nibe Group, Brogårdsvej 7, 6920 VidebækDK

Tel: 97 17 20 33 Fax: 97 17 29 33

NIBE Energy Systems OY, Juurakkotie 3, 01510 VantaaFI

Puh: 09-274 697 0 Fax: 09-274 697 40

AIT France, 10 rue des Moines, 67000 HaguenauFR

Tel : 03 88 06 24 10 Fax : 03 88 06 90 15

NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QGGB

Tel: 0845 095 1200 Fax: 0845 095 1201

NIBE Energietechniek B.V., Postbus 2, NL-4797 ZG WILLEMSTAD (NB)NL

Tel: 0168 477722 Fax: 0168 476998

ABK AS, Brobekkveien 80, 0582 Oslo, Postadresse: Postboks 64 Vollebekk, 0516 OsloNO

Tel. sentralbord: +47 23 17 05 20

NIBE-BIAWAR Sp. z o. o. Aleja Jana Pawła II 57, 15-703 BIAŁYSTOKPL

Tel: 085 662 84 90 Fax: 085 662 84 14

Tel./fax +7 831 419 57 06

NIBE AB Sweden, Box 14, Hannabadsvägen 5, SE-285 21 MarkarydSE

Tel: +46-(0)433-73 000 Fax: +46-(0)433-73 190

For countries not mention in this list, please contact Nibe Sweden

5Chapter 1 | Important informationNIBE™ F750

Transport

F750 should be transported and stored vertically in a dry

place. The F750 may, however, be carefully laid on its

back when being moved into a building. The centre of

gravity is in the upper part.

Assembly

႑Position F750 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 horizontal and

stable set-up.

30 - 50 mm

႑The area where F750 is located must be equipped

with floor drainage.

႑Install with its back to an outside wall, ideally in a

room where noise does not matter, in order to elim-

inate 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.

႑Wherever the unit is located, walls to sound sensitive

rooms should be fitted with sound insulation.

႑Route pipes so they are not fixed to an internal wall

that backs on to a bedroom or living room.

႑The heat pump’s installation area should always have

a temperature of at least 10 °C and max 30 °C.

NIBE™ F750Chapter 2 | Delivery and handling6

2 Delivery and handling

Installation area

Leave a space of 500 mm in front of the product. Approx

50 mm free space is required in order to open the side

hatches. The hatches do not need to be opened during

service, all service on F750 can be carried out from the

front. Leave space between the heat pump and wall be-

hind (and any routing of supply cables and pipes) to re-

duce the risk reproduction of any vibration.

500

(50) (50)

NOTE

Ensure that there is sufficient space (300 mm)

above the heat pump for installing ventilation

hoses.

Supplied components

Room sensorOutside sensor

LEK

Current sensor (not enamel)Vent hose

(length 4 m)

Extra air filter

Location

The kit of supplied items is placed on top of the product.

7Chapter 2 | Delivery and handlingNIBE F750

Removing the covers

Front cover

LEK

1. Remove the air treatment hatch by pulling it straight

out.

2. Remove the screws from the lower edge of the front

cover.

3. Lift the cover out at the bottom edge and up.

4. Pull the hatch towards yourself.

Side covers

LEK

The side covers can be removed to facilitate the installa-

tion.

1. Remove the screws from the upper and lower edges.

2. Twist the cover slightly outward.

3. Move the cover backwards and slightly to the side.

4. Pull the cover to one side.

5. Pull the cover forwards.

Removing parts of the insula-

tion

Parts of the insulation can be removed to facilitate the

installation.

Insulation, top

1. Disconnect the cable from the motor and remove

the motor from the shuttle valve as illustrated.

LEK

2. Grip the handle and pull straight out as illustrated.

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NIBE™ F750Chapter 2 | Delivery and handling8

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