Nibe F730 Manuale utente

User manual

LEK

NIBE F730

Exhaust air heat pump

UHB EN 1803-2

431748

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

11.

How to scroll through menus and make different settings is described

on page 16.

Set the indoor climate

INDOOR CLIMATE

HEAT PUMP INFO

HOT WATER

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 30.

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. Read more about the settings on page 47.

In event of disturbances in comfort

If a disturbance in comfort of any type occurs there are some measures

that can be taken before you need to contact your installer. See page

72 for instructions.

Table of Contents

41 Important information

4Installation data

5Safety information

6Serial number

7F730 – An excellent choice

82 The heat pump – the heart of the house

9Heat pump function

11Contact with F730

21Maintenance of F730

303 F730 – at your service

30Set the indoor climate

47Set the hot water capacity

52Get information

56Adjust the heat pump

714 Disturbances in comfort

71Info-menu

71Manage alarm

72Troubleshooting

755 Technical data

766 Glossary

80Item register

83Contact information

3NIBE F730Table of Contents |

1 Important information

Installation data

F730Product

Serial number

Installation date

Installer

Accessories

✔

Extra shunt ECS

40/41

Room unit RMU 40

Communications

module SMS 40

SetFact.

sett.

NameNo.

0temperature(curve offset)1.1

9heating curve (curve

slope)

1.9.1

20min. flow line temp.1.9.3

75%fan sp. exhaust air (nor-

mal)

5.1.5

MaxInstalled electrical output

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 F730Chapter 1 | Important information4

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

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 2017.

NOTE

F730 must be installed via an isolator switch with a

minimum breaking gap of 3 mm.

NOTE

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

representative or similar authorised person may replace

it to prevent any danger and damage.

NOTE

Do not start the heat pump, if there is a risk that the

water in the system has frozen.

5NIBE F730Chapter 1 | Important information

Symbols

NOTE

This symbol indicates danger to person or machine .

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.

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.

NIBE F730Chapter 1 | Important information6

F730 – An excellent choice

F730 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 safeand economical with integrated hot water

heater, immersion heater, circulation pump 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 accessories, for example

climate systems with different temperatures.

F730 is equipped with acontrol 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 thermometers

are not necessary.

Excellent properties for F730:

■Inverter controlled compressor

The heat pump has an inverter controlled compressor that automatically

adapts itself optimally and economically to your house and supplies your

installation with renewable energy.

■Integrated water heater

There is a water heater integrated in the heat pump, which is insulated

with environmentally friendly cellular plastic for minimal heat loss.

■Scheduling the indoor comfort and hot water

Heating and hot water as well as ventilation, can be scheduled for each

day of the week or for longer periods (vacation).

■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.

7NIBE F730Chapter 1 | Important information

2 The heat pump – the heart of

the house

80 °C

22 °C 0 °C

5 °C 0 °C

55 °C 45 °C

Värmebärare

Köldmedium

Rumsluft

Heating medium

Ventilation air

Refrigerant

Evaporator

Condenser

Compressor

Expansion valve

NIBE F730Chapter 2 | The heat pump – the heart of the house8

Heat pump function

An exhaust air heat pump makes use of the heat in the building's ventila-

tion air to heat up the accommodation. The conversion of the ventilation

air's energy to accommodation heating is done in three different circuits.

From the outgoing ventilation air (1), free heating energy is retrieved from

the accommodation and transported to the heat pump. The heat pump

increases the retrieved heat's low temperature to a high temperature in

the refrigerant circuit, (2). The heat is distributed around the building in

the heating medium circuit (3).

Ventilation air

The hot air is transferred from the rooms to the heat pump via the house

ventilation system.

The fan then routes the air to the heat pump’s evaporator. Here, the air

releases the heating energy and the air's temperature drops significantly.

The cold air is then blown out of the house.

Refrigerant circuit

A liquid, a refrigerant, circulates in a closed system in the heat pump which

also passes the evaporator. The refrigerant has a very low boiling point. In

the evaporator the refrigerant receives the heat energy from the ventilation

air 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 increases

and the gas's temperature increases considerably, from -5°C to approx.

100 °C.

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

where it releases heat energy to the heat pump’s heating section,

whereupon the gas is cooled and condenses to 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 heat energy that the refrigerant produces in the condenser is retrieved

by the climate system's water, heating medium, which is heated to 55 °C

(supply temperature).

The heating medium circulates in aclosed system and transports the heated

water's heat energy to the heat pump's integrated hot water heater and

the radiators/heating coils of the house.

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

time of year.

9NIBE F730Chapter 2 | The heat pump – the heart of the house

The heat pump’s integrated water heater is in the heating section. The

heating medium heats the hot water.

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

time of year.

NIBE F730Chapter 2 | The heat pump – the heart of the house10

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