Nibe F750 Benutzerhandbuch

Installer manual

LEK

NIBE F750

Exhaust air heat pump

IHB GB 1702-4

331467

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 36.

Set the indoor climate

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.

Table of Contents

41 Important information

4Safety information

4General

62 Delivery and handling

6Transport

6Assembly

7Supplied components

8Removing the covers

8Removing parts of the insulation

103 The heat pump design

134 Pipe and ventilation connections

13General pipe connections

14Dimensions and pipe connections

16Symbol key

16Cold and hot water

16Heating medium side

17Installation alternative

19General ventilation connection

19Ventilation flow

19Adjusting ventilation

205 Electrical connections

20General

22Connections

24Settings

26Optional connections

29Connecting accessories

306 Commissioning and adjusting

30Preparations

30Filling and venting

31Start-up and inspection

347 Control - Introduction

34Display unit

35Menu system

388 Control - Menus

38Menu 1 - INDOOR CLIMATE

38Menu 2 - HOT WATER

38Menu 3 - INFO

39Menu 4 - HEAT PUMP

40Menu 5 - SERVICE

459 Service

45Maintenance

45Service actions

4910 Disturbances in comfort

49Info-menu

49Manage alarm

49Troubleshooting

5111 Accessories

5312 Technical data

53Dimensions and setting-out coordinates

55Technical specifications

59Energy labelling

61Electrical circuit diagram

73Item register

75Contact information

3Table 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 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 under-

stand 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 2016.

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 relevant EU directives. The CE mark is obligatory 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 vertic-

ally falling drops of water.

General

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 legis-

lation.

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.

Country specific information

Installer manual

This installer manual must be left with the customer.

NIBE F750Chapter 1 | Important information4

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

DateSignatureNotesDescription

✔

Ventilation (page 19)

Setting the ventilation flow

Heating medium (page 16)

System flushed

System vented

Safety valve

Circulation pump setting

Setting heating medium flow

Boiler pressure

Hot water (page 16)

Mixing valve

Safety valve

Electricity (page 20)

Connections

Main voltage

Phase voltage

Fuses heat pump

Fuses property

Outside sensor

Room sensor

Current sensor

Safety breaker

Earth circuit-breaker

5Chapter 1 | Important informationNIBE F750

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.

30 - 50 mm

15 - 40 mm

20-55 mm

■Because water comes from F750, the floor coating is

important. A waterproof floor or floor membrane is

recommended.

■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.

NIBE F750Chapter 2 | Delivery and handling6

2 Delivery and handling

Installation area

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

Approx. 50 mm free space is required on each side, to

remove the side panels (see image). The panels do not

need to be removed during service. All service on F750

can be carried out from the front. Leave free space

between the heat pump and the wall behind (and for

any routing of cables and pipes). The back of the heat

pump must never be installed directly against a wall. It

is recommended that space of at least 10 mm is left to

reduce the risk of noise and any propagation of vibration.

800

10-50* 10-50*

min. 10 (rekommendation)

min. 10 (recommendation)

* Depending on whether the panels can be removed or not.

NOTE

Ensure that there is sufficient space (300 mm)

above the heat pump for installing ventilation

hoses.

Supplied components

Room sensorOutside sensor

LEK

Vent hose

(length 4 m)

Extra air filter

LEK

DCO 10, vent socket (only

F750 copper)

Current sensor

Shut off valve with 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 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 installa-

tion.

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

Insulation, immersion heater

NOTE

Electrical installation and service must be carried

out under the supervision of a qualified electri-

cian. 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 21.

NIBE F750Chapter 2 | Delivery and handling8

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 21).

9Chapter 2 | Delivery and handlingNIBE F750

F750, copper

LEK

LEK / APH

EP2BT15

BP2

HZ2 BT12

GP6

QN10

AA1

FA1

BT21BT3

BT16

EP1

UB1

UB2

BT7

BT63

FL1

UR1QM24GQ2BT14BP1

PF1

PF3

EB1

XL1

QM22

AA2

BT6

AA3

AA4

AA4-XJ3

AA4-XJ4

SF1

QN1

BT17

BS1

BT20

QM23

BT61

WM2

WM1

AA101

FL6

QM10

BT62 RM1XL5

BT30

FD1

RF3

RA2

AA23

W130

LEK

CA1

QA40

RA1

XL31

XL32

XL2 GP1 XL4 XL3 QM11

BP5

WP3

FL2

QM20 WP1 WP2CM1 XL10

QM31

GQ10

NIBE F750Chapter 3 | The heat pump design10

3 The heat pump design

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