Nibe F1126 Manuale utente

IHB EN 2008-1

531657

INSTALLATION MANUAL

Ground source heat pump

NIBE F1126

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 30.

How to scroll through menus and make different settings is described on page 32.

Set the indoor climate

INDOOR CLIMATE

HEAT PUMP

INFO

HOT WATER

temperature1.1.1

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

INDOOR CLIMATE

HEAT PUMP

INFO

HOT WATER

off

temporary lux2.1

3 hrs

6 hrs

12 hrs

one time increase

To temporarily increase the amount of hot water (if a hot water heater is installed to your F1126), 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

8Removing the covers

93 The heat pump design

9General

10Distribution boxes

11Cooling section (EP14)

124 Pipe connections

12General

13Dimensions and pipe connections

14Brine side

14Heating medium side

15Cold and hot water

15Docking alternatives

175 Electrical connections

17General

19Connections

21Settings

22Optional connections

24Connecting accessories

256 Commissioning and adjusting

25Preparations

25Filling and venting

25Start-up and inspection

28Setting the heating curve

307 Control - Introduction

30Display unit

31Menu system

348 Control - Menus

34Menu 1 - INDOOR CLIMATE

34Menu 2 - HOT WATER

34Menu 3 - INFO

35Menu 4 - HEAT PUMP

36Menu 5 - SERVICE

409 Service

40Service actions

4610 Disturbances in comfort

46Manage alarm

46Troubleshooting

4911 Accessories

5012 Technical data

50Dimensions and setting-out coordinates

51Electrical data

52Technical specifications

54Energy labelling

58Electrical circuit diagram

63Item register

67Contact information

3Table of ContentsNIBE F1126

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 2020.

Water may drip from the safety valve’s

overflow pipe. The entire length of the over-

flow water pipe must be routed to a suitable

drain and be inclined to prevent water pock-

ets, and must also be frost-proof. The over-

flow pipe must be at least the same size as

the safety valve. The overflow pipe must be

visible and its mouth must be open and not

located close to electrical components.

F1126 must be installed via an isolator

switch. The cable area has to be dimensioned

based on the fuse rating used.

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

equipment.

IPX1B

Danger to person or machine.

Read the User Manual.

NIBE F1126Chapter 1 | Important information4

1 Important information

Serial number

The serial number can be found at the bottom right of

the front cover, in the info menu (menu 3.1) and on the

type plate (PZ1).

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

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

This unit contains a fluorinated greenhouse gas that is

covered by the Kyoto agreement.

The equipment contains R407C, a fluorinated green-

house gas with a GWP value (Global Warming Potential)

of 1,774. Do not release R407C into the atmosphere.

5Chapter 1 | Important informationNIBE F1126

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

✔

Brine (page 14)

System flushed

System vented

Antifreeze

Level/Expansion vessel

Particle filter

Safety valve

Shut off valves

Circulation pump setting

Heating medium (page 14)

System flushed

System vented

Expansion vessel

Particle filter

Safety valve

Shut off valves

Circulation pump setting

Electricity (page 17)

Connections

Main voltage

Phase voltage

Fuses heat pump

Fuses property

Outside sensor

Safety breaker

Earth circuit-breaker

Setting of emergency mode thermostat

NIBE F1126Chapter 1 | Important information6

Transport

F1126 should be transported and stored vertically in a

dry place. When being moved into a building, F1126

may be leant back 45 °.

Ensure that F1126 has not been damaged during trans-

port.

Caution

The product can be tail heavy.

If the cooling module is pulled out and transported up-

right, F1126 can be transported on its back.

Remove the outer panels in order to protect them when

moving in confined spaces inside buildings.

EXTRACTING THE COOLING MODULE

To simplify transport and service, the heat pump can be

separated by pulling the cooling module out from the

cabinet.

See page 42 for instructions about the separation.

Assembly

• Place F1126 on a solid foundation indoors that can

take the heat pump's weight. Use the product's ad-

justable feet to obtain a horizontal and stable set-up.

30 - 50 mm

15 - 40 mm

20-55 mm

• Because water comes from F1126, the area where

the heating pump is located must be equipped 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.

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 F1126

can be carried out from the front. Leave space between

the heat pump and the wall behind (and any routing of

supply cables and pipes) to reduce the risk of any vibra-

tion being propagated.

(50) (50)

800

* A normal installation needs 300 – 400 mm (any side) for connection

equipment, valves and electrical equipment.

7Chapter 2 | Delivery and handlingNIBE F1126

2 Delivery and handling

Supplied components

O-rings

LEK

Safety valve

0.3 MPa (3 bar)

Outside sensor

Temperature

sensor

WILO

LEK

WILO

2,5(22)

H- 50 - 2,5

TUV-SV-97-525

WILO

LEK

WILO

2,5(22)

H- 50 - 2,5

TUV-SV-97-525

Particle filter

LEK

Level vessel

22 28

Compression ring

couplings

6-8 kW

2 x (ø28 x G25)

2 x (ø22 x G20)

12 kW

4 x (ø28 x G25)

LOCATION

The kit of supplied items is placed in packaging on top

of the heat pump.

Removing the covers

FRONT COVER

LEK

1. Remove the screws from the lower edge of the

front panel.

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

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 outwards and backwards.

4. Assembly takes place in the reverse order.

NIBE F1126Chapter 2 | Delivery and handling8

General

F1145

PF1

QN10

BT2

EB1

UB1

QM34

QM31

XL1

XL6

XL9

XL7

XL2

UB3

AA4

W130

SF1

AA4-XJ4

AA4-XJ3

UB2

QM32

QM33

PF2

EP14-AA11

EP14

PIPE CONNECTIONS

Connection, heating medium flowXL1

Connection, heating medium returnXL2

Connection, brine inXL6

Connection, brine outXL7

Connection, hot water heaterXL9

HVAC COMPONENTS

Shut-off valve, heating medium flowQM31

Shut off valve, heating medium returnQM32

Shut off valve, brine outQM33

Shut-off valve, brine inQM34

Shuttle valve, climate system/water heaterQN10

SENSORS ETC.

Outdoor temperature sensor*BT1

Temperature sensors, heating medium flowBT2

* Not illustrated

ELECTRICAL COMPONENTS

Display unit

AA4-XJ3 USB socket

AA4-XJ4 Service outlet (No function)

AA4

Motor moduleAA11

Immersion heaterEB1

SwitchSF1

MISCELLANEOUS

Cooling sectionEP14

Rating platePF1

Type plate, cooling sectionPF2

Cable gland, incoming electricityUB1

Cable glandUB2

Cable gland, rear side, sensorUB3

Designations according to standard EN 81346-2.

9Chapter 3 | The heat pump designNIBE F1126

3 The heat pump design

Distribution boxes

F1126

FQ10

AA1

FC1

AA2

ELECTRICAL COMPONENTS

Immersion heater cardAA1

Base cardAA2

Miniature circuit-breakerFC1

Temperature limiter/Emergency mode thermostatFQ10

Terminal blockX1

MOTOR MODULE (AA11)

3x400 V 6-8 kW

LEK

FC1

AA10

3x400V 12 kW

FC10 AA10

ELECTRICAL COMPONENTS

Soft-start cardAA10

Miniature circuit-breakerFC1

Motor cut-outFC10

* 5 kW has auxiliary switch for motor protection breaker.

NIBE F1126Chapter 3 | The heat pump design10

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