Nibe F1245 Manual de usuario
User manual
LEK
NIBE™ F1245
Ground source heat pump
AHB GB 0926-1
031336
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 13.
Set the indoor climate
2X
The mode for setting the indoor temperature is reached, when in the start
mode in the main menu, by pressing the OK button twice. Read more
about the settings on page 23.
Increase hot water volume
2X
1X
To temporarily increase the amount of hot water , first turn the control
knob to mark menu 2 and then press the OK button twice. Read more
about the settings on page 46.
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 69
for instructions.
Table of Contents
1 Important information 2
Installation data 2
Safety information 3
Serial number 4
Contact information 5
F1245 – An excellent choice 6
2 The heat pump – the heart of the house 7
Heat pump function 8
Contact with F1245 9
Maintenance of F1245 17
3 F1245 – at your service 22
Set the indoor climate 22
Set the hot water capacity 45
Get information 51
Adjust the heat pump 55
4 Disturbances in comfort 68
Manage alarm 68
Troubleshooting 69
Only additional heat 72
5 Technical data 73
6 Glossary 74
Item register 80
1NIBE™ F1245Table of Contents |
1Important information
Installation data
F1245Product
Serial number
Installation date
Installer
Type of brine -
Mixing ratio/freezing point
Active drilling depth/collector
length
Accessories
✔
SetDe-
fault
set-
tings
NameNo.
0heating curve (offset)1.9.1
7heating curve (curve
slope)
1.9.1
Serial number must always be given
Certification that the installation is carried out according to instructions in
NIBE’s installer manual and applicable regulations.
_________________________Signed__________________Date
NIBE™ F1245Chapter 1 | Important information2
Safety information
This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appli-
ance.
Rights to make any design or technical modifications are reserved.
©NIBE 2008.
Symbols
NOTE
This symbol indicates danger to machine or person.
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
This heat pump is CE marked and fulfils IP21.
The CE marking means that NIBE ensures that the product meets all regula-
tions 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 the product cannot be penetrated by objects with a diameter
larger than or equivalent to 12.5 mm and cause damage and that the product
is protected against vertically falling drops.
3NIBE™ F1245Chapter 1 | Important information
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
Always give the product's serial number when reporting a fault.
NIBE™ F1245Chapter 1 | Important information4
Contact information
KNV Energietechnik GmbH, Gahberggasse 11, 4861 SchörflingAT
www.knv.at
NIBE Wärmetechnik AG, Winterthurerstrasse 710, CH-8247 FlurlingenCH
Druzstevni zavody Drazice s.r.o, Drazice 69, CZ - 294 71 Benatky nad
Jizerou
CZ
www.nibe.cz
NIBE Systemtechnik GmbH, Am Reiherpfahl 3, 29223 CelleDE
Vølund Varmeteknik, Filial af NIBE AB, Brogårdsvej 7, 6920 VidebækDK
vt.dk
NIBE – Haato OY, Valimotie 27, 01510 VantaaFI
www.haato.fi
NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way,
Chesterfield S41 9QG
GB
www.nibe.co.uk
NIBE Energietechniek B.V., Postbus 2, NL-4797 ZG WILLEMSTAD (NB)NL
NIBE AB, Fekjan 15F, 1394 NesbruNO
arme.no
NIBE-BIAWAR Sp. z o. o. Aleja Jana Pawła II 57, 15-703 BIAŁYSTOKPL
www.biawar.com.pl
NIBE AB Sweden, Box 14, Järnvägsgatan 40, SE-285 21 MarkarydSE
www.nibe.se
5NIBE™ F1245Chapter 1 | Important information
F1245 – An excellent choice
F1245 is part of a new generation of heat pumps, which have been introduced
to supply your home with inexpensive and environmentally friendly heating
and/or cooling. Heat production is safe and economical with integrated water
heater, immersion heater, circulation pump and control system.
The heat pump can be connected to an optional low temperature heat distri-
bution system. e.g. radiators, convectors or under floor heating. It is also
prepared for connection to several different products and accessories, e.g.
extra hot water heater, ventilation recovery, pool, free cooling and climate
systems with different temperatures.
An immersion heater of 9 kW (if 1 phase, 7 kW) can be connected automat-
ically if anything unforeseen should occur or as reserve operation (then 6
kW).
F1245 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 thermometers are not
necessary.
Excellent properties for F1245:
႑Integrated water heater
There is a water heater integrated in the heat pump, which is insulated
with environmentally friendly cellular plastic for minimal heat loss.
႑Scheduling the indoor comfort and hot water
Heating and hot water as well as cooling and ventilation in some cases,
can be scheduled for each day of the week or for longer periods (vacation).
႑Large display with user instructions
The heat pump has a large display with easy-to-understand menus that
facilitate setting a comfortable climate.
႑Simple troubleshooting
In the event of a fault, the heat pump display shows what happened and
the actions to be taken.
NIBE™ F1245Chapter 1 | Important information6
2The heat pump – the heart of
the house
Värmekälla
Förångare
Kondensor 100 °C
0 °C-3 °C
-2 °C
50 °C40 °C
Expansionsventil Kompressor
A
D
F
H
B
C
E
G
Heating medium
Brine
Refrigerant
Evaporator
Condenser
Expansion valve Compressor
Heat source
1
2
3
The temperatures are only examples and may vary between different installations and time
of year.
7NIBE™ F1245Chapter 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.
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.
A
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.
B
Refrigerant circuit
Another liquid circulates in a closed system in the heat pump, a refrigerant, 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.
C
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.
D
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.
E
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.
F
Heat medium circuit
The heat energy that the refrigerant produces in the condenser is retrieved by
the heating system's water, heating medium, which is heated to 35 °C (supply
temperature).
G
The heating energy that the refrigerant releases in the condenser is retrieved by
the heat pump's boiler section.
The heating medium circulates in a closed system and transports the heated wa-
ter's heat energy to the house water heater and radiators/heating coils.
H
NIBE™ F1245Chapter 2 | The heat pump – the heart of the house8
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