Nibe F750 Guida utente

IHB EN 1835-2

431822

INSTALLER MANUAL

Exhaust air heat pump

NIBE F750

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 40.

How to scroll through menus and make different settings is described on page 42.

Set the indoor climate

INDOOR CLIMATE

HEAT PUMP INFO

HOT WATER

The mode for setting the indoor temperature is accessed by pressing the OK button twice, when in the start

mode in the main menu.

Increase hot water volume

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.

41 Important information

4Safety information

4Symbols

4Marking

5Serial number

5Recovery

5Environmental information

6Inspection of the installation

72 Delivery and handling

7Transport

7Assembly

8Supplied components

9Removing the covers

9Removing parts of the insulation

113 The heat pump design

11General

14Air treatment unit

154 Pipe and ventilation connections

15General pipe connections

16Dimensions and pipe connections

18Symbol key

18Cold and hot water

18Heating medium side

19Installation alternative

21General ventilation connection

21Ventilation flow

21Adjusting ventilation

22Dimension and ventilation connections

235 Electrical connections

23General

25Connections

28Settings

30Optional connections

33Connecting accessories

346 Commissioning and adjusting

34Preparations

34Filling and venting

35Start-up and inspection

407 Control - Introduction

40Display unit

41Menu system

448 Control - Menus

44Menu 1 - INDOOR CLIMATE

44Menu 2 - HOT WATER

45Menu 3 - INFO

45Menu 4 - HEAT PUMP

46Menu 5 - SERVICE

529 Service

52Maintenance

52Service actions

5610 Disturbances in comfort

56Info-menu

56Manage alarm

56Troubleshooting

5911 Accessories

6112 Technical data

61Dimensions and setting-out coordinates

63Technical specifications

67Energy labelling

69Electrical circuit diagram

81Item register

87Contact information

3Table of ContentsNIBE F750

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 2018.

Water may drip from the safety valve's

overflow pipe, so this pipe must be inclined

along its entire length to prevent water

pockets. It must also be frost-proof. The

overflow pipe must be visible and its outlet

must be open.

F750 must be installed with a disconnection

option on the supply cable. Minimum cable

area must be sized according to the fuse

rating used. Electrical installation and wiring

must be carried out in accordance with applic-

able regulations.

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.

Classification of enclosure of electro-technical equip-

ment.

IP21

Read the User Manual.

Read the Installer Manual.

NIBE F750Chapter 1 | Important information4

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).

Serial number

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.

Do not dispose of used products with normal

household waste. It must be disposed of at a

special waste station or dealer who provides this type

of service.

Improper disposal of the product by the user results in

administrative penalties in accordance with current le-

gislation.

Environmental

information

This unit contains a fluorinated greenhouse gas that is

covered by the Kyoto agreement.

F-GAS REGULATION (EU) NO. 517/2014

The equipment contains R407C, a fluorinated green-

house gas with a GWP value (Global Warming Potential)

of 1774. Do not release R407C into the atmosphere.

5Chapter 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. In addition, fill in the page for the installation data in the User Manual.

DateSignatureNotesDescription

✔

Ventilation (page 21)

Setting the ventilation flow

Heating medium (page 18)

System flushed

System vented

Safety valve

Circulation pump setting

Setting heating medium flow

Pressure in the climate system

Hot water (page 18)

Mixing valve

Safety valve

Electricity (page 23)

Connections

Main voltage

Phase voltage

Fuses heat pump

Fuses property

Outside sensor

Room sensor

Current sensor

Safety breaker

Earth circuit-breaker

NIBE F750Chapter 1 | Important information6

Transport

F750 should be transported and stored vertically in a dry

place. However. the F750 may be carefully laid on its

back when being moved into a building. The centre of

gravity is in the upper part.

Assembly

• Position F750 on a fixed foundation that can take the

weight of the heat pump. Use the product's adjustable

feet to obtain a horizontal and stable set-up.

Because water comes from F750, the floor coating is

important. A waterproof floor or floor membrane is

recommended.

30 - 50 mm

15 - 40 mm

20-55 mm

•Because water comes from F750, it is good if the area

where the heating pump is located is provided with

floor drainage.

•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.

• The heat pump's installation area should always have

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

7Chapter 2 | Delivery and handlingNIBE F750

2 Delivery and handling

INSTALLATION AREA

Leave a free space of 800 mm in front of the product.

Leave free space between F750 and wall/other ma-

chinery/fittings/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 the heat pump for installing ventilation

hoses.

Supplied components

Room sensorOutside sensor

LEK

Extra air filterVent hose

(length 4 m)

LEK

Current sensorDCO 10, vent socket (only

F750 copper)

Filterball

LOCATION

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

NIBE F750Chapter 2 | Delivery and handling8

Removing the covers

FRONT COVER

LEK

1. Remove the upper panel by pulling it straight out.

2. Remove the screws from the lower edge of the

front panel.

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

4. Pull the panel towards yourself.

SIDE COVERS

LEK

The side covers can be removed to facilitate the install-

ation.

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.

Removing parts of the

insulation

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

LEK /

APH

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

LEK/APH

9Chapter 2 | Delivery and handlingNIBE F750

INSULATION, IMMERSION HEATER

NOTE

Electrical installation and service must be car-

ried out under the supervision of a qualified

electrician. Electrical installation and wiring

must be carried out in accordance with the

stipulations in force.

1. Remove the cover for the junction box according to

the description on page 24.

2. Grip the handle and pull the insulation carefully to-

wards you as illustrated.

LEK / APH

TIP

Remove the hatch for the immersion heater

card so that it is easier to remove the insulation

(see page 24).

NIBE F750Chapter 2 | Delivery and handling10

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