Nibe F750 Guide de l'utilisateur
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
2X
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
2X
1X
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
10
12
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.
R
0
R
0
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
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
LEK
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
LEK
4
1
2
3
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
LEK
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
A
B
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
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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6
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