Nibe F1126 Manuale utente

UHB EN 2008-3

231712

USER 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 10.

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

page 14.

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. Read more about

the settings on page 23.

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 increase the amount of hot water temporarily (if a water heater is installed

for your F1126), first turn the control knob to select menu 2 (water droplet)

and then press the OK button twice. Read more about the settings on page

temporary lux.

In event of disturbances in comfort

If you experience a disturbance in comfort of any kind, there are some

measures you can take yourself before you need to contact your installer.

See page 44 for instructions.

41 Important information

5Safety information

5Symbols

6Marking

6Serial number

7F1126 – An excellent choice

82 The heat pump – the heart of the house

9Heat pump function

10Contact with F1126

18Maintenance of F1126

18Saving tips

223 F1126 – at your service

22Set the indoor climate

29Set the hot water capacity

32Get information

35Adjust the heat pump

434 Disturbances in comfort

43Manage alarm

44Troubleshooting

48Only additional heat

495 Technical data

506 Glossary

56Item register

59Contact information

3Table of ContentsNIBE F1126

Table of Contents

INSTALLATION DATA

F1126Product

Serial number

Installation date

Installer

Type of brine -

Mixing ratio/freezing point

Active drilling depth/collector length

Accessories

✔

SetFact.

sett.

NameNo.

0heating curve (offset)1.9.1.1

7heating curve (curve

slope)

1.9.1.1

Serial number must always be given

Certification that the installation is carried out according to instructions in the accompanying

installer manual and applicable regulations.

_________________________Signed__________________Date

NIBE F1126Chapter 1 | Important information4

1 Important information

Safety information

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 supervision or in-

struction 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.

Do not start F1126 if there is a risk that the water in the

system has frozen.

If the supply cable is damaged, only NIBE, its service

representative or similar authorised person may replace

it to prevent any danger and damage.

Water may drip from the safety valve’s overflow pipe, so

the overflow pipe’s opening must be open. The safety

valves must be actuated regularly to remove dirt and to

check that they are not blocked.

Symbols

WARNING!

This symbol indicates serious danger to person or machine.

NOTE

This symbol indicates danger to person or machine .

5Chapter 1 | Important informationNIBE F1126

Caution

This symbol indicates important information about what you

should observe when maintaining 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, re-

gardless of where they are made.

Classification of enclosure of electro-technical equipment.IP21

Danger to person or machine.

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 .

Serial number

Caution

You need the product's ((14 digit) serial number for servicing

and support.

NIBE F1126Chapter 1 | Important information6

F1126 – An excellent choice

F1126 is part of a new generation of heat pumps, which have been intro-

duced to supply your home with inexpensive and environmentally friendly

heating. Heat production is safe and economical with integrated immer-

sion heater, circulation pumps and control system.

The heat pump can be connected to an optional low temperature heat

distribution system. e.g. radiators, convectors or underfloor heating. It

is also prepared for connection to several different products and accessor-

ies, e.g. water heaters and ventilation recovery.

An immersion heater of 7 kW can be connected automatically if anything

unforeseen should occur or as back-up operation (factory setting 6 kW).

F1126 is equipped with a control computer for good comfort, good

economy and safe operation. Clear information about status, operation

time and all temperatures in the heat pump are shown on the large and

easy to read display. This means, for example, that external unit thermo-

meters are not necessary.

EXCELLENT PROPERTIES FOR F1126:

•Display with user instructions

The heat pump has a large display with easy-to-understand menus that

facilitate setting a comfortable climate.

•Simple troubleshooting

In the event of a fault, the heat pump display shows what happened

and the actions to be taken.

7Chapter 1 | Important informationNIBE F1126

100 ºC

50 ºC40 ºC

-2 ºC

0 ºC-3 ºC

-4 ºC

Heating medium

Brine

Refrigerant

Evaporator

Condenser

Expansion valve

Compressor

Heat source

The temperatures are only examples and may vary between different installations and

time of year.

NIBE F1126Chapter 2 | The heat pump – the heart of the house8

2 The heat pump – the heart of

the house

Heat pump function

A heat pump can use stored solar energy from rock, ground or water in

order to heat a property. The conversion of stored energy in nature to

property heating occurs in three different circuits. In the brine circuit, (1)

, free heat energy is retrieved from the surroundings and transported to

the heat pump. In the refrigerant circuit, (2) , the heat pump increases

the retrieved heat's low temperature to a high temperature. In the

heating medium circuit, (3) , the heat is distributed around the house.

The temperatures below are only examples and may vary between dif-

ferent installations and times of year.

Brine circuit

In a hose, collector, an anti-freeze liquid, brine, circulates from the heat

pump out to the heat source (rock/ground/lake). The energy from the

heat source is stored by it heating the brine a few degrees, from about

–3°C to about 0 °C.

The collector then routes the brine to the heat pump’s evaporator. Here,

the brine releases heat energy and the temperature drops a few degrees.

The liquid then returns to the heat source to retrieve energy again.

Refrigerant circuit

Another liquid circulates in a closed system in the heat pump, a refriger-

ant, which also passes the evaporator. The refrigerant has a very low

boiling point. In the evaporator the refrigerant receives the heat energy

from the brine and starts to boil.

The gas that is produced during boiling is routed into an electrically

powered compressor. When the gas is compressed, the pressure in-

creases and the gas's temperature increases considerably, from approx.

5ｰC to approx. 100 ｰC.

From the compressor, gas is forced into a heat exchanger, condenser,

where it releases heat energy to the heating system in the house,

whereupon the gas is cooled and condenses to a liquid form again.

As the pressure is still high, the refrigerant can pass an expansion valve,

where the pressure drops so that the refrigerant returns to its original

temperature. The refrigerant has now completed a full cycle. It is routed

to the evaporator again and the process is repeated.

Heat medium circuit

The heating energy that the refrigerant releases in the condenser is re-

trieved by the heat pump's boiler section.

9Chapter 2 | The heat pump – the heart of the houseNIBE F1126

The heating medium circulates in a closed system and transports the

heated water's heat energy to the house water heater and radiators/heat-

ing coils.

Contact with F1126

DISPLAY UNIT

Display

Status lamp

OK button

Back button

Control knob

Switch

INDOOR CLIMATE

HEAT PUMP

INFO

HOT WATER

F1126 GUSB port

There is a display unit on the front of the heat pump, which is used to

communicate with F1126.. Here you:

• switch on, switch off or set the heat pump in emergency mode.

• sets the indoor climate and hot water as well as adjusts the heat pump

to your needs.

• receive information about settings, status and events.

• see different types of alarms and receive instructions about how they

are to be rectified.

Display

Instructions, settings and operational information are shown on

the display. You can easily navigate between the different menus

and options to set the comfort or obtain the information you require.

NIBE F1126Chapter 2 | The heat pump – the heart of the house10

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