Nibe F1226 series Guida utente

Installer manual

LEK

NIBE F1226

Ground source heat pump

IHB EN 1723-2

231652

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, 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

62 Delivery and handling

6Transport

6Assembly

7Supplied components

7Removing the covers

8Removing parts of the insulation

93 The heat pump design

9General

10Distribution boxes

11Cooling section

134 Pipe connections

13General

14Dimensions and pipe connections

14Brine side

15Heating medium side

15Water heater

15Docking alternatives

185 Electrical connections

18General

20Connections

21Settings

22Optional connections

24Connecting accessories

256 Commissioning and adjusting

25Preparations

25Filling and venting

26Start guide

27Post adjustment and venting

28Setting the cooling/heating curve

307 Control - Introduction

30Display unit

31Menu system

348 Control - Menus

34Menu 1 - INDOOR CLIMATE

34Menu 2 - HOT WATER

34Menu 3 - INFO

34Menu 4 - HEAT PUMP

35Menu 5 - SERVICE

399 Service

39Service actions

4510 Disturbances in comfort

45Info-menu

45Manage alarm

45Troubleshooting

4711 Accessories

4812 Technical data

48Dimensions and setting-out coordinates

49Technical specifications

52Energy labelling

57Electrical circuit diagram

62Item register

67Contact information

3Table of Contents |NIBE F1226

Safety information

This manual describes installation and service procedures

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 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 2017.

Symbols

NOTE

This symbol indicates danger to person or ma-

chine .

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

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.

IP21

Danger to person or machine.

Read the User Manual.

Serial number

The serial number can be found at the bottom right of

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

the type plate (PF1).

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

NIBE F1226Chapter 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

✔

Brine (page 14)

System flushed

System vented

Antifreeze

Level/Expansion vessel

Particle filter

Safety valve

Shut off valves

Circulation pump setting

Heating medium (page 15)

System flushed

System vented

Expansion vessel

Particle filter

Safety valve

Shut off valves

Circulation pump setting

Electricity (page 18)

Connections

Main voltage

Phase voltage

Fuses heat pump

Fuses property

Outside sensor

Safety breaker

Earth circuit-breaker

Setting of emergency mode thermostat

5Chapter 1 | Important informationNIBE F1226

Transport

F1226 should be transported and stored vertically in a

dry place. When being moved into a building, F1226

may be leant back 45 °.

Caution

The product can be tail heavy.

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 40 for instructions about the separation.

Assembly

■Position F1226 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 F1226, 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 F1226

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 connec-

tion equipment, i.e. level vessel, valves and electrical equipment.

NIBE F1226Chapter 2 | Delivery and handling6

2 Delivery and handling

Supplied components

O-rings

LEK

Safety valve

0.3 MPa (3 bar)

Outside sensor

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)

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

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 installa-

tion.

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.

7Chapter 2 | Delivery and handlingNIBE F1226

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

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

LEK

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 19.

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

wards you as illustrated.

LEK

NIBE F1226Chapter 2 | Delivery and handling8

General

F1245

BT7

QN10

BT2

EB1

PF1

UB1

QM34

QM31

XL1

XL6

XL4

FR1

XL3

XL7

XL2

QM22

UB3

AA4

W130

SF1

AA4-XJ4

AA4-XJ3

BT6

UB2

QM32

QM33

PF2

View from above

XL5 BT7

Pipe connections

Connection, heating medium flowXL1

Connection, heating medium returnXL2

Connection, cold waterXL3

Connection, hot waterXL4

Connection, HWC*XL5

Connection, brine inXL6

Connection, brine outXL7

* Only heat pumps with stainless steel vessel.

HVAC components

Venting, coilQM22

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

Temperature sensor, hot water chargingBT6

Temperature sensor, hot water topBT7

* Not illustrated

Electrical components

Display unitAA4

AA4-XJ3 USB socket

AA4-XJ4 Service outlet (No function)

Immersion heaterEB1

SwitchSF1

Miscellaneous

Rating platePF1

Type plate, cooling sectionPF2

Cable gland, incoming electricityUB1

Cable glandUB2

Cable gland, rear side, sensorUB3

Designations in component locations according to

standard IEC 81346-1 and 81346-2.

9Chapter 3 | The heat pump designNIBE F1226

3 The heat pump design

Distribution boxes

FB1

FD1

AA1

FA1

AA2

Electrical components

Immersion heater cardAA1

Base cardAA2

Miniature circuit-breakerFA1

Motor cut-outFB1

Temperature limiter/Emergency mode thermostatFD1

Terminal blockX1

Designations in component locations according to

standard IEC 81346-1 and 81346-2.

NIBE F1226Chapter 3 | The heat pump design10

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