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De Dietrich Use guide AWHP-2 MIT-IN-2 iSystem Air/Water heat pumps HP Inverter Guide
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User Guide
Air/water heat pump
HPI EVOLUTION
AWHP-2 MIT-IN-2 iSystem
Dear Customer,
Thank you very much for buying this appliance.
Please read through the manual carefully before using the product, and keep it in a safe place for later reference. In order to
ensure continued safe and efficient operation we recommend that the product is serviced regularly. Our service and customer
service organisation can assist with this.
We hope you enjoy years of problem-free operation with the product.
Contents
Contents
1
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Specific safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3.1
Safety data sheet: Refrigerant fluid R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4.1
Manufacturer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4.2
Installer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4.3
User's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2
About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2 Symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.1
Symbols used in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.2
Symbols used on the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.3 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3
Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Homologations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.1
Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.2
Ecodesign Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.2.1
Electrical power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2.2
Heat pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2.3
Circulating pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.2.4
Sensor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
4
Description of the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2 Control panel description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2.1
Description of the keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2.2
Description of the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.2.3
Browsing in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
5.1 Commissioning the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.1.1
Error during the start-up procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2 Reading out measured values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2.1
Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2.2
User level – Menu #MEASURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
5.3 Changing the settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.3.1
Setting the set point temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
5.3.2
Selecting the operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.3.3
Forcing domestic hot water production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3.4
Setting the contrast and brightness of the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.3.5
Setting the time and date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
5.3.6
Selecting a timer programme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
5.3.7
Customising a timer programme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4 Shutting down the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5.5 Turning on the frost protection function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
6.1 Anti-cycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.2 Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.2.1
List of error codes and messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.3 Faults (Lxx or Dxx code types) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.3.1
Table of error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
7
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.1 Energy saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.1.1
Energy savings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.1.2
Room thermostat and settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
7.2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
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8
Disposal/recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.1 Disposal and Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
9
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
9.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
9.2 Terms of warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
10 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
10.1 Information on the ecodesign and energy labelling directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
10.1.1 Specific information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
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1
1.1
Safety
General safety instructions
Danger
This appliance can be used by children aged 8
years and above and persons with reduced physi­
cal, sensory or mental capabilities or lack of ex­
perience and knowledge if they are given correct
supervision or instruction on using the appliance
in complete safety and understand the hazards
involved. Children must not play with the appli­
ance. Cleaning and user maintenance should not
be carried out by children without adult supervi­
sion.
Danger
If flue gas is released or there is a refrigerant
leak:
Do not use a naked flame, do not smoke, do not
operate electrical contacts or switches (doorbell,
light, motor, lift, etc.). Contact between the re­
frigerant fluid and a flame may result in emis­
sions of toxic gases.
Open the windows.
Locate the probable leak and seal it immediate­
ly.
Warning
Before any work, switch off the power supply to
the appliance.
Warning
Do not touch the refrigerant connection pipes with
bare hands when the appliance is operating. Dan­
ger of burn or frost injury.
Warning
Take precautions with the domestic hot water.
Depending on the heat pump settings, the do­
mestic hot water temperature may exceed 65°C.
Caution
Only genuine spare parts may be used.
Warning
Only qualified professionals are authorised to
work on the appliance and the installation.
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1 Safety
Important
Insulate the pipes to reduce heat losses to a mini­
mum.
Caution
The system must satisfy each point in the rules
(DTU, EN and others, etc.) that govern works and
interventions in individual homes, blocks of flats
or other buildings.
Caution
Heating water and domestic water must not come
into contact with each other.
Electrical connection
A disconnection device must be fitted to the perma­
nent pipes in accordance with installation rules.
If the power cord is damaged, always get a qualified
installer to replace it.
Caution
In order to prevent any danger owing to the unex­
pected reset of the thermal circuit breaker, this
appliance must not be powered through an exter­
nal switch, such as a timer, or be connected to a
circuit which is regularly switched on and off by
the electricity provider.
Warning
According to the appliance settings:
The radiator temperature may reach 80 °C.
Do not touch the refrigerant connection pipes
with bare hands when the appliance is operat­
ing. Danger of burn or frost injury.
Caution
Do not neglect to service the appliance.
Contact a qualified professional or take out a
maintenance contract for the annual maintenance
of the appliance.
1.2
Recommendations
Warning
Only qualified professionals are authorised to
work on the appliance and the installation.
Regularly check that the water pressure in the installa­
tion is between 1.5 and 2 bar.
Ensure that the appliance is accessible at all times for
maintenance purposes.
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Avoid draining the installation.
Only genuine spare parts may be used.
Never remove or cover the labels and data plates af­
fixed to appliances. Labels and data plates must be
legible throughout the entire lifetime of the appliance.
1.3
Specific safety instructions
1.3.1
Safety data sheet: Refrigerant fluid
R-410A
Product identification
Name of the refrigerant fluid R-410A
Hazard identification
Effects harmful to health:
The vapours are heavier than air and may lead to as­
phyxia owing to reduced oxygen levels.
Liquefied gas: Contact with the liquid may cause seri­
ous frost and eye injuries.
Product classification: This product is not classified as a
"hazardous preparation" according to European Union
regulations.
Caution
If the refrigerant is mixed with air, it may cause
pressure surges in the refrigeration pipes and
lead to an explosion and other hazards.
Composition/Information on ingredients
Chemical nature: Mixture of R-32 and R-125.
Ingredients that may lead to hazardous situations:
Tab.1
Substance
name
Concentration CAS number
CE number
Classification
Global Warm­
ing Potential
F+ ; R12
650
1,1-Difluoro­
50%
methane R-32
75-10-5
200–839–4
Pentafluoro­
ethane R-125
354-33-6
206-557-8
50%
3400
2088
R-410A
First aid
If inhaled:
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Evacuate the subject from the contaminated area and
take him into the open air.
If feeling unwell: call a doctor.
In the event of contact with the skin:
Treat frost injuries like burns. Rinse with copious
amounts of tepid water, do not remove clothing (risk of
adhesion to the skin).
If skin burns appear, call a doctor immediately.
In the event of contact with the eyes:
Rinse immediately in water, holding the eyelids well
apart (at least 15 minutes).
Consult an ophthalmologist immediately.
Fire prevention measures
Appropriate extinguishing agents:
Carbon dioxide (CO2)
Powders
Foam
Water spray.
Inappropriate extinguishing agents: None to our knowl­
edge. In the event of fire nearby, use the appropriate
extinguishing agents.
Specific hazards:
Toxic and corrosive vapours may be released by the
effect of the heat.
Rise in pressure: in the presence of air, an inflamma­
ble mixture may form under certain temperature and
pressure conditions.
Special intervention methods: Cool the volumes ex­
posed to heat with water spray.
Protection of the firemen:
Full self-contained breathing apparatus.
Complete body protection.
In the event of accidental spillage
Individual precautions:
Avoid contact with the skin and eyes.
Do not intervene without appropriate protective equip­
ment.
Do not inhale the vapours.
Evacuate the hazardous area.
Stop the leakage.
Eradicate all sources of ignition.
Ventilate the spillage area mechanically (risk of as­
phyxia).
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Cleaning / Decontamination:
Allow residual product to evaporate.
Handling
Technical measures:
Ventilation.
Precautions to be taken:
No smoking.
Prevent the build-up of electrostatic charges.
Work in a well ventilated place.
Personal protection
Respiratory protection:
If ventilation is insufficient: AX type cartridge mask.
In confined spaces: self-contained breathing appara­
tus.
Hand protection:
Protective gloves in leather or nitrile rubber.
Eye protection:
Safety glasses with side protection.
Skin protection:
Clothing made mostly of cotton.
Industrial hygiene:
Do not drink, eat or smoke in the work place.
Considerations on disposal
Product waste:
Consult the manufacturer or the supplier for informa­
tion on recovery or recycling.
Soiled packaging:
Reuse or recycle after decontamination. Destroy in
authorised installations.
Warning
Disposal must be completed in compliance with
prevailing local and national regulations.
Regulations
Regulation (EU) No. 517/2014 of the European Parlia­
ment and of the Council of 16 April 2014 on fluorina­
ted greenhouse gases and repealing Regulation (EC)
No. 842/2006.
Classified installations No. 1185.
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1.4
Liabilities
1.4.1
Manufacturer's liability
Our products are manufactured in compliance with the
requirements of the various Directives applicable. They
marking and any
are therefore delivered with the
documents necessary. In the interests of the quality of
our products, we strive constantly to improve them. We
therefore reserve the right to modify the specifications
given in this document.
Our liability as manufacturer may not be invoked in the
following cases:
Failure to abide by the instructions on installing the
appliance.
Failure to abide by the instructions on using the appli­
ance.
Faulty or insufficient maintenance of the appliance.
1.4.2
Installer's liability
The installer is responsible for the installation and initial
commissioning of the appliance. The installer must ob­
serve the following instructions:
Read and follow the instructions given in the manuals
provided with the appliance.
Install the appliance in compliance with prevailing leg­
islation and standards.
Carry out initial commissioning and any checks neces­
sary.
Explain the installation to the user.
If maintenance is necessary, warn the user of the obli­
gation to check the appliance and keep it in good
working order.
Give all the instruction manuals to the user.
1.4.3
User's liability
To guarantee optimum operation of the system, you
must abide by the following instructions:
Read and follow the instructions given in the manuals
provided with the appliance.
Call on a qualified professional to carry out installation
and initial commissioning.
Get your installer to explain your installation to you.
Have the required inspections and maintenance car­
ried out by a qualified installer.
Keep the instruction manuals in good condition close
to the appliance.
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2 About this manual
2
About this manual
2.1
General
This manual can also be found on our internet site.
2.2
Symbols used
2.2.1
Symbols used in the manual
This manual uses various danger levels to draw attention to special in­
structions. We do this to improve user safety, to prevent problems and to
guarantee correct operation of the appliance.
Danger
Risk of dangerous situations that may result in serious personal
injury.
Danger of electric shock
Risk of electric shock.
Warning
Risk of dangerous situations that may result in minor personal in­
jury.
Caution
Risk of material damage.
Important
Please note: important information.
See
Reference to other manuals or pages in this manual.
2.2.2
Fig.1
Symbols used on the appliance
1
2
Symbols used on the appliance
1 Alternating current.
2 Protective earthing.
3 Before installing and commissioning the appliance, carefully read
the instruction manuals provided.
4 Dispose of used products through an appropriate recovery and re­
cycling structure.
5 Caution: danger of electric shock, live parts. Disconnect the mains
power prior to carrying out any work.
3
4
5
1
2
MW-2000068-1
2.3
Abbreviations
DHW: Domestic Hot Water
PPs: Low-flammability polypropylene
PCU: Primary Control Unit - PCB controller for heat pump operation
PSU: Parameter Storage Unit - Storage of parameters for the PCU and
SU PCBs
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2 About this manual
SCU: Secondary Control Unit - PCB for the DIEMATIC iSystem control
panel
SU: Safety Unit - Safety PCB
3WV: Three-way valve
EVU: Power supply company
AWHP : Outdoor module connected by connection cable to the indoor
module
MIT-2 : Indoor module fitted with a DIEMATIC iSystem control panel
HP: Heat pump
COP: Coefficient of performance
Flow temperature: Temperature of the water circulating in the radiators
or in the underfloor heating.
Room temperature: Temperature inside the house or in a room.
Room temperature set point: Temperature programmed in the control
system that must be reached by the heat pump.
12
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3 Technical specifications
3
3.1
Technical specifications
Homologations
3.1.1
Certifications
This product complies with the requirements of the following European Di­
rectives and Standards:
Low Voltage Directive 2014/35/EU. Reference standards: EN60335-1/
EN60335-2-40.
Electromagnetic Compatibility Directive 2014/30/EU. Generic standards:
EN 61000-6-3, EN 61000-6-1.
Apart from the legal regulations and guidelines, the additional guidelines
described in these instructions must also be followed.
Supplements or subsequent regulations and guidelines that are valid at
the time of installation shall apply to all regulations and guidelines speci­
fied in this manual.
3.1.2
Ecodesign Directive
This product conforms to the requirements of European Directive
2009/125/EC on the ecodesign of energy-related products.
3.2
Technical data
3.2.1
Electrical power supply
230 V AC (+/- 10%) - 50 Hz
400 V AC (+ 6%, - 10%) - 50 Hz (depending on the models)
3.2.2
Heat pump
Usage conditions:
Limit operating temperatures in Heating mode:
Water: +18 °C/+60 °C (AWHP 4 MR, AWHP 4.5 MR, AWHP 6 MR-2,
AWHP 6 MR-3, AWHP 8 MR-2, AWHP 11 MR-2 , AWHP 11 TR-2,
AWHP 16 MR-2 , AWHP 16 TR-2)
Water: +18 °C/+55 °C (AWHP 22 TR, AWHP 27 TR)
Water: +18 °C/+60 °C (AWHP 22 TR R1.UK, AWHP 27 TR R1.UK)
Outside air:
-15 °C/+35 °C (AWHP 4 MR, AWHP 4.5 MR, AWHP 6 MR-2, AWHP 6
MR-3)
-20 °C/+35 °C (AWHP 8 MR-2, AWHP 11 MR-2 , AWHP 11 TR-2,
AWHP 16 MR-2 , AWHP 16 TR-2, AWHP 22 TR, AWHP 22 TR
R1.UK, AWHP 27 TR, AWHP 27 TR R1.UK)
Limit operating temperatures in Cooling mode:
Water: +7 °C / +25 °C (Below 18 °C, the optional HK24 insulation kit
must be used)
Outside air: +15°C/+40°C
Maximum operating pressure: 3 bar
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3 Technical specifications
Performance in heating mode with outside air temperature
+7 °C and water temperature at the outlet +35 °C (according to
EN 14511-2)
Tab.2
AWHP
Heat output - A7/W35
kW
Heating COP - A7/W35
AWHP 4 MR AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
3.72
4.60
5.87
8.26
10.56
4.07
5.11
4.10
4.18
4.18
Absorbed electrical power- A7/ W35
kWe
0.91
0.90
1.43
1.98
2.53
Nominal amperage - A7/W35
A
4.11
4.07
6.57
8.99
11.81
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
10.56
14.19
14.19
21.70
24.4
4.18
4.22
4.15
3.96
3.90
Tab.3
AWHP
Heat output - A7/W35
kW
Heating COP - A7/W35
Absorbed electrical power- A7/ W35
kWe
2.53
3.36
3.42
5.48
6.25
Nominal amperage - A7/W35
A
3.80
16.17
5.40
8.99
9.86
Performance in heating mode with outside air temperature
+2°C and leaving water temperature +35°C (according to EN
14511-2)
Tab.4
AWHP
Heat output - A2/W35
kW
Heating COP - A2/W35
AWHP 4 MR AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
3.76
3.28
3.87
5.93
10.19
3.32
3.73
3.26
3.12
3.20
Absorbed electrical power- A2/ W35
kWe
1.13
0.88
1.19
1.90
3.19
Nominal amperage - A2/W35
A
6.1
4.0
6.1
8.2
10.7
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
10.19
11.38
11.38
16.11
14.70
3.20
3.22
3.22
3.13
3.10
Tab.5
AWHP
Heat output - A2/W35
kW
Heating COP - A2/W35
Absorbed electrical power- A2/ W35
kWe
3.19
3.53
3.53
5.14
4.70
Nominal amperage - A2/W35
A
6.2
14.6
8.4
12.7
11.8
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3 Technical specifications
Performance in cooling mode with outside air temperature
+35 °C and water temperature at the outlet +7 °C (according to
EN 14511-2)
Tab.6
AWHP
Cooling output
kW
EER
AWHP 4 MR AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
2.27
4.00
3.13
4.98
7.43
3.28
2.73
3.14
2.7
3.34
Nominal refrigeration range
kW
1.12-4.0
1.31–4.9
1.12-4.5
2.0-6.6
3.2-9.1
Absorbed electrical power
kWe
0.69
1.47
1.0
1.85
2.22
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
7.43
7.19
7.19
/
/
3.34
3.58
3.58
/
/
Tab.7
AWHP
Cooling output
kW
EER
Nominal refrigeration range
kW
3.2-9.1
4.1-12.5
4.1-12.5
6.2-15.2
7.6-18.7
Absorbed electrical power
kWe
2.22
2.01
2.01
/
/
Performance in cooling mode with outside air temperature
+35°C and leaving water temperature +18°C (according to EN
14511-2)
Tab.8
AWHP
Cooling output
kW
EER
AWHP 4 MR AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
3.84
3.80
4.69
7.90
11.16
4.83
4.28
4.09
3.99
4.68
Nominal refrigeration range
kW
1.7-4.5
2.1–6.5
1.7-4.5
2.6-9.5
4.6-14
Absorbed electrical power
kWe
0.72
0.89
1.15
2.0
2.35
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
11.16
14.46
14.46
17.65
22.2
4.68
4.43
4.43
3.80
3.80
Tab.9
AWHP
Cooling output
kW
EER
Nominal refrigeration range
kW
4.6-14
5.8-16
5.8-16
9-22.4
11.2-28
Absorbed electrical power
kWe
2.35
3.65
3.65
4.65
5.84
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3 Technical specifications
General values
Tab.10
AWHP
AWHP 4 MR AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
Standby output
W
16.4
12
16.4
18
21.1
T.aux(1)
%
1.88
1.33
1.17
0.93
0.83
0.626
/
0.397
0.49
0.53
1.084
/
1.077
1.118
1.205
LRcontmin(2)
CcpLRcontmin
(3)
Acoustic pressure(4).
dB(A)
41.7
41.7
41.7
43.2
43.4
Nominal water flow rate (ΔT = 5 K)
m3/h
0.64
0.80
1.04
1.47
1.88
Total dynamic head at nominal flow rate
mbar
630
620
618
493
393
Nominal air flow rate
m3/h
2100
2600
2100
3000
6000
Power voltage of the outdoor unit
V
230 V ~
230 V ~
230 V ~
230 V ~
230 V ~
Sound power, indoors (A7/W55)
dB(A)
43.2
43.2
43.2
51.0
51.0
Sound power, outdoors (A7/
W55)(5)
dB(A)
62.4
61
64.8
65.2
68.8
Refrigerant fluid R410A
kg
2.1
1.4
AWHP 6
MR-2: 2.1
AWHP 6
MR-3: 1.3
3.2
4.6
Refrigerant fluid R410A
kgCO2e
CO2(6)
4384
2922
AWHP 6
MR-2: 4384
AWHP 6
MR-3: 2714
6680
9603
Refrigerant connection (Liquid/Gas)
inch
1/4-1/2
1/4-1/2
1/4-1/2
3/8-5/8
3/8-5/8
Max. pre-charged length
m
10
7
10
10
10
Weight (empty) - Outdoor unit
kg
42
54
42
75
118
(1)
(2)
(3)
(4)
(5)
(6)
Proportion of electrical power from the auxiliaries out of the total electrical power
Minimum load rate in continuous operation
Performance correction coefficient for a load rate equal to LRcontmin
at 5 m from the appliance, free field
Test run in accordance with the NF EN 12102 standard, temperature conditions: Air 7 °C, Water 55 °C
Kilograms of CO2 equivalent
Tab.11
AWHP
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
Standby output
W
21.1
21.1
21.1
21
21
T.aux(1)
%
0.83
0.61
0.61
0.38
0.35
0.53
0.43
0.43
0.44
0.44
1.205
1.18
1.18
1.03
1.03
LRcontmin(2)
CcpLRcontmin
(3)
Acoustic pressure(4).
dB(A)
43.4
47.4
47.4
51.8
53
Nominal water flow rate (ΔT = 5 K)
m3/h
1.88
2.67
2.67
3.8
4.6
Total dynamic head at nominal flow rate
mbar
393
213
213
-
-
Nominal air flow rate
m3/h
6000
6000
6000
8400
8400
16
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3 Technical specifications
AWHP
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
Power voltage of the outdoor unit
V
400 V3~
230 V ~
400 V3~
400 V3~
400 V3~
Sound power, indoors (A7/W55)
dB(A)
51.0
51.0
51.0
43.4
43.4
Sound power, outdoors (A7/
W55)(5)
dB(A)
68.8
68.5
68.5
77
77
Refrigerant fluid R410A
kg
4.6
4.6
4.6
7.1
7.7
Refrigerant fluid R410A
kgCO2e
CO2(6)
9603
9603
9603
14821
16074
Refrigerant connection (Liquid/Gas)
inch
3/8-5/8
3/8-5/8
3/8-5/8
3/8-3/4(7)
1/2-3/4
(7)
Max. pre-charged length
m
10
10
10
20
20
Weight (empty) - Outdoor unit
kg
118
130
130
135
141
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Proportion of electrical power from the auxiliaries out of the total electrical power
Minimum load rate in continuous operation
Performance correction coefficient for a load rate equal to LRcontmin
at 5 m from the appliance, free field
Test run in accordance with the NF EN 12102 standard, temperature conditions: Air 7 °C, Water 55 °C
Kilograms of CO2 equivalent
Warning: the refrigerant connection lengths are limited to 20 m with the 3/4"gas pipe
Note
The values in tonnes of CO2 equivalent are calculated using the
following formula: quantity (in kg) of refrigerant fluid x GWP /
1000.
The Global-Warming Potential (GWP) of R410A gas is 2088.
Note
R410A refrigerant fluid is contained in equipment that has been
hermetically sealed.
Technical data - Medium-temperature heat pump space heat­
ers
Tab.12
Technical parameters for heat pump space heaters (parameters declared for medium-temperature application)
AWHP 4 MR
AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
Air-to-water heat pump
Yes
Yes
Yes
Yes
Water-to-water heat pump
No
No
No
No
Brine-to-water heat pump
No
No
No
No
Low-temperature heat pump
No
No
No
No
Equipped with a supplementary heater
Yes
Yes
Yes
Yes
Heat pump combination heater
No
No
No
No
Prated
kW
2
4
4
6
Rated heat output under colder conditions (1) Prated
kW
2
5
4
6
Rated heat output under warmer conditions Prated
kW
3
4
5
6
Rated heat output under average condi­
tions(1)
(1)
Declared capacity for heating for part load
at indoor temperature 20°C and outdoor
temperature Tj
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3 Technical specifications
AWHP 4 MR
AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
Tj = -7°C
Pdh
kW
2.4
3.8
3.5
5.6
Tj = +2°C
Pdh
kW
3.4
4.3
4.5
6.1
Tj = +7°C
Pdh
kW
4.0
4.5
4.8
6.4
Tj = +12°C
Pdh
kW
4.2
5.5
5.2
6.7
Tj = bivalent temperature
Pdh
kW
2.0
3.9
3.6
5.6
Tj = operation limit temperature
Pdh
kW
2.0
3.9
3.6
5.6
Bivalent temperature
Tbiv
°C
-10
-10
-10
-10
Degradation coefficient(2)
Cdh
—
1.0
1.0
1.0
1.0
Seasonal space heating energy efficiency
under average conditions
ƞs
%
131
134
137
136
Seasonal space heating energy efficiency
under colder conditions
ƞs
%
109
109
116
119
Seasonal space heating energy efficiency
under warmer conditions
ƞs
%
167
179
172
169
Tj = -7°C
COPd
-
1.80
1.64
1.89
1.95
Tj = +2°C
COPd
-
3.47
3.46
3.53
3.49
Tj = +7°C
COPd
-
4.70
4.96
4.74
4.57
Tj = +12°C
COPd
-
7.03
7.90
7.08
6.33
Tj = bivalent temperature
COPd
-
1.45
1.20
1.52
1.63
Tj = operation limit temperature
COPd
-
1.45
1.20
1.52
1.63
Operation limit temperature for air-to-wa­
ter heat pumps
TOL
°C
-10
-10
-10
-10
°C
60
55
55
55
Declared coefficient of performance or pri­
mary energy ratio for part load at indoor
temperature 20°C and outdoor temperature
Tj
Heating water operating limit temperature WTOL
Electrical power consumption
Off mode
POFF
kW
0.009
0.009
0.009
0.009
Thermostat-off mode
PTO
kW
0.049
0.049
0.049
0.049
Stand-by
PSB
kW
0.013
0.012
0.013
0.013
Crankcase heater mode
PCK
kW
0.055
0.000
0.055
0.055
Psup
kW
0.0
0.0
0.0
0.0
Electricity
Electricity
Electricity
Electricity
Variable
Variable
Variable
Variable
Supplementary heater
Rated heat output(2)
Type of energy input
Other characteristics
Capacity control
18
Sound power level, indoors - outdoors
LWA
dB (A)
53 - 64
53 - 61
53 - 65
53 - 65
Annual energy consumption under aver­
age conditions
QHE
kWh
GJ
1228
2353
2124
3316
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3 Technical specifications
AWHP 4 MR
AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
Annual energy consumption under colder QHE
conditions
kWh
GJ
1965
4483
3721
4621
Annual energy consumption under warm­ QHE
er conditions
kWh
GJ
970
1249
1492
1904
(1) The rated heat output Prated is equal to the design load for heating Pdesignh, and the rated heat output of a supplementary heater
Psup is equal to the supplementary capacity for heating sup(Tj).
(2) If Cdh is not determined by measurement, the default degradation coefficient is Cdh = 0.9.
Tab.13
Technical parameters for heat pump space heaters (parameters declared for medium-temperature application)
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
Air-to-water heat pump
Yes
Yes
Yes
Yes
Water-to-water heat pump
No
No
No
No
Brine-to-water heat pump
No
No
No
No
Low-temperature heat pump
No
No
No
No
Equipped with a supplementary heater
Yes
Yes
Yes
Yes
Heat pump combination heater
No
No
No
No
Rated heat output under average condi­
tions(1)
Prated
kW
6
8
7
14
Rated heat output under colder conditions
Prated
kW
4
7
5
15
Rated heat output under warmer conditions Prated
kW
8
13
12
21
(1)
(1)
Declared capacity for heating for part load
at indoor temperature 20 °C and outdoor
temperature Tj
Tj = -7°C
Pdh
kW
6.8
9.0
8.7
13.6
Tj = +2°C
Pdh
kW
8.2
11.9
13.6
20.2
Tj = +7°C
Pdh
kW
9.0
12.9
16.3
24.4
Tj = +12°C
Pdh
kW
10.1
15.4
18.6
32.3
Tj = bivalent temperature
Pdh
kW
6.2
8.3
7.4
14.1
Tj = operation limit temperature
Pdh
kW
6.2
8.3
7.4
14.1
Bivalent temperature
Tbiv
°C
-10
-10
-10
-10
Degradation coefficient(2)
Cdh
—
1.0
1.0
1.0
1.0
Seasonal space heating energy efficiency
under average conditions
ƞs
%
132
130
125
125
Seasonal space heating energy efficiency
under colder conditions
ƞs
%
113
113
103
110
Seasonal space heating energy efficiency
under warmer conditions
ƞs
%
167
161
164
156
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3 Technical specifications
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
Declared coefficient of performance or pri­
mary energy ratio for part load at indoor
temperature 20°C and outdoor temperature
Tj
Tj = -7°C
COPd
-
1.82
1.88
1.85
1.92
Tj = +2°C
COPd
-
3.43
3.33
3.12
3.05
Tj = +7°C
COPd
-
4.54
4.34
4.12
4.15
Tj = +12°C
COPd
-
6.24
5.82
5.64
5.99
Tj = bivalent temperature
COPd
-
1.45
1.54
1.68
1.92
Tj = operation limit temperature
COPd
-
1.45
1.54
1.68
1.92
Operation limit temperature for air-to-wa­
ter heat pumps
TOL
°C
-10
-10
-10
-10
°C
55
55
55
55
Heating water operating limit temperature WTOL
Electrical power consumption
Off mode
POFF
kW
0.009
0.009
0.009
0.009
Thermostat-off mode
PTO
kW
0.049
0.049
0.049
0.049
Stand-by
PSB
kW
0.013
0.013
0.013
0.013
Crankcase heater mode
PCK
kW
0.055
0.055
0.055
0.055
Psup
kW
0.0
0.0
0.0
0.0
Electricity
Electricity
Electricity
Electricity
Variable
Variable
Variable
Variable
Supplementary heater
Rated heat output(2)
Type of energy input
Other characteristics
Capacity control
Sound power level, indoors - outdoors
LWA
dB (A)
53 - 69
53 - 69
43 - 74
43 - 75
Annual energy consumption under aver­
age conditions
QHE
kWh
GJ
3783
5184
4808
9156
Annual energy consumption under colder QHE
conditions
kWh
GJ
3804
5684
4702
13152
Annual energy consumption under warm­ QHE
er conditions
kWh
GJ
2580
4120
3837
6952
(1) The rated heat output Prated is equal to the design load for heating Pdesignh, and the rated heat output of a supplementary heater
Psup is equal to the supplementary capacity for heating sup(Tj).
(2) If Cdh is not determined by measurement, the default degradation coefficient is Cdh = 0.9.
3.2.3
Circulating pump
Note
The benchmark for the most efficient circulating pumps is EEI ≤
0.20.
20
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
3 Technical specifications
3.2.4
Tab.14
Sensor specifications
Outside sensor
Temperature in
°C
-20
-16
-12
-8
-4
0
4
8
12
16
20
24
Resistance in Ω
2392
2088
1811
1562
1342
1149
984
842
720
616
528
454
Tab.15
Domestic hot water sensor/Flow sensor
Temperature in
°C
0
10
20
25
30
40
50
60
70
80
90
Resistance in Ω
32014
19691
12474
10000
8080
5372
3661
2535
1794
1290
941
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
21
4 Description of the product
4
Description of the product
4.1
General description
The AWHP-2 MIT-IN-2 iSystem heat pump is composed of two elements:
The outdoor module handles energy production in heating or cooling
mode.
The indoor module is equipped with a specific control system which is
used to adjust the temperature of the heating water to the needs of the
home.
Both units are connected by means of refrigeration (R410A fluid) and elec­
trical connections.
The system offers the following advantages:
The heating circuit is housed in the insulated volume within the home.
There is no danger of the pipes freezing.
Thanks to the DC inverter system, the heat pump modulates its output
to adapt to the needs of the home.
4.2
Control panel description
4.2.1
Description of the keys
A000867-B
Fig.2
0
2
4
6
8
10
12
14
16
18
20
22
24
A
B
bar
b
AUTO
C
g
STD
D
F
E
A Temperature setting key (heating, DHW, swimming
pool)
B Operating mode selection key
C DHW override key
D Key to access the parameters reserved for the instal­
ler
E Keys on which the function varies as and when se­
lections are made
F Rotary setting button:
Turn the rotary button to scroll through the menus
or modify a value
Press the rotary button to access the selected
menu or confirm a value modification
For more information, see
Key functions, page 23
22
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
4 Description of the product
4.2.2
Description of the display
Key functions
Function keys
bar
c
1
2
r
w p b AUTO x c
gm r
( r'
j
MW-C002696-4
Fig.3
M
t
STD
Access to the various menus
Menu scrolling
Parameter scrolling
Help available
Display of the curve of the selected parameter
Reset the timer programs to zero
Selection of the time range in comfort mode
Selection of the time range in reduced mode
Back to the previous level
Back to the previous level without saving the modifications made
Manual reset
Solar
The indicator is present if a solar domestic hot water tank is connected.
Indicator
0
v
bar
c
2
12
14
16
18
20
22
24
MW-L000197-5
Fig.4
1
2
1
2
r
w p b AUTO x c
gm r
j
M
Solar load pump running
Top part of the tank reheated to the solar domestic hot water set
point
Top and middle part of the tank reheated to the solar domestic hot
water set point
Entire tank reheated to the solar domestic hot water set point
Tank not loaded and solar control system present
Operating mode
Fig.5
v
bar
c
2
4
6
8
10
12
14
16
18
20
22
24
MW-M002620-3
0
1
w
2
1
2
r
w p b AUTO x c
gm r
j
M
Fig.6
MW-C002698-4
0
2
4
6
8
10
12
14
16
AUTO x c
v
bar
c
gm
1
2
1
2
r
w p b AUTO x c
gm r
j
SUMMER mode: Cooling is possible. Domestic hot water contin­
ues to be produced.
WINTER mode: Heating and domestic hot water working.
+ Forced cooling mode.
Cooling mode: Operates according to the timer programme.
Operation in automatic mode according to the timer programme.
Not linked to an operating mode.
Not linked to an operating mode.
HOLIDAY mode: The symbol is displayed when a HOLIDAY over­
ride (frost protection) is activated.
Flashing symbol: Holiday mode programmed
Steady symbol: Holiday mode active
Manual mode
System pressure
Indicator
0
v
bar
c
2
Pressure indicator: hydraulic pressure sensor connected
4
6
8
10
12
14
16
18
1
2
bar
1
2
r
w p b AUTO x c
gm r
7616372 - v08 - 06062017
j
M
20
22
24
MW-C002708-4
Fig.7
Steady symbol: hydraulic pressure sufficient
Flashing symbol: hydraulic pressure insufficient
Hydraulic pressure level
0.9 to 1.1 bar
1.2 to 1.5 bar
1.6 to 1.9 bar
2.0 to 2.3 bar
> 2.4 bar
AWHP-2 MIT-IN-2 iSystem
23
4 Description of the product
Domestic hot water override
Indicator
v
bar
c
Steady symbol: permanent override
Flashing symbol: temporary override
1
MW-C002707-4
Fig.8
A vertical bar is displayed at bottom left when a domestic hot water over­
ride is activated.
2
1
2
r
w p b AUTO
AUT x c
r'
gm r
j
M
t
STD
Electrical back-up
Fig.9
The symbol 1 or 2 lights up, depending on whether stage 1 or 2 on
the electrical back-up is controlled.
2
0
v
c
6
8
10
12
14
16
18
20
22
24
1
1
2
w p b AUTO x c g m
r
j
MW-M002630-1
bar
4
M
t
STD
Hydraulic back-up
Fig.10
2
0
v
c
6
8
10
12
14
16
18
20
22
24
1
1
2
w p b AUTO x c
gm r
j
MW-M002632-1
bar
4
Steady symbol: The burner and the circulating pump on the
back-up boiler are controlled.
Flashing symbol: The circulating pump on the back-up boiler is
controlled.
M
t
STD
Status of the Compressor
Fig.11
0
v
c
4
6
8
10
12
14
16
18
20
22
24
1
1
2
w p b AUTO x c
gm r
j
MW-M002631-1
bar
2
Steady symbol: The compressor is running
Flashing symbol: The heat pump is required but the compressor
is off.
M
t
STD
Information about the circuits
Other indicators
r
bar
j
v
c
12
16
18
M
1
2
1
2
r
w p b AUTO x c
24
14
gm r
j
M
AWHP-2 MIT-IN-2 iSystem
20
22
Domestic hot water production running
Three-way valve connected:
24
MW-C002699-3
Fig.12
: 3-way valve open
: 3-way valve closed
Pump running
Name of the circuit for which the parameters are displayed
7616372 - v08 - 06062017
4 Description of the product
4.2.3
Fig.13
0
2
4
6
8
10
12
14
16
#MEASURES
#CHOICE TIME PROG.
PROGRAM
v #TIME
#SETTING
c #TIME .DAY
r
18
20
22
24
a
1
2
bar
1
2
p b AUTO x c g m
(
'
r
j
Browsing in the menus
1. To select the desired menu, turn the rotary button.
2. To access the menu, press the rotary button.
To go back to the previous display, press the
key.
3. To select the desired parameter, turn the rotary button.
L
t
STD
C002220-B-04
Fig.14
0
2
4
6
8
10
12
14
16
18
20
CURRENT PROG.B
CURRENT PROG.C
v
bar
c
22
24
a
P2
P3
1
2
1
2
r
p b AUTO x c g m
(
'
r
j
4. To modify the parameter, press the rotary button.
To go back to the previous display, press the
key.
5. To modify the parameter, turn the rotary button.
L
t
STD
C002221-C-04
Fig.15
6. To confirm, press the rotary button.
0
v
bar
c
1
2
4
6
8
10
12
14
16
18
20
CURRENT PROG.C
"Choice of the timeprogram
applied C"
22
24
a
P4
2
1
2
r
p b AUTO x c g m
(
'
r
j
Note
To cancel, press the
key.
L
t
STD
C002222-C-04
Fig.16
7. To go back to the main display, press the
0
2
4
6
8
10
12
14
16
18
20
22
24
2x
LUNDI 11:45
v
bar
c
1
Note
It is possible to use the
ton.
and
key twice.
keys instead of the rotary but­
2
1
2
r
p b AUTO x c g m
(
'
STD
r
j
M
t
C002224-D-04
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
25
5 Operation
5
Operation
5.1
Commissioning the appliance
Fig.17
1. Note down the output and type, which can be found on the data
plate of the outdoor module.
MW-M001832-1
Fig.18
2. Switch on the power by using the on/off switch on the indoor mod­
ule.
MW-C002366-1
Fig.19
3. The first time the boiler is powered up, the LANGUAGE parameter is
displayed. Select the desired language by turning the rotary button.
4. To confirm, press the rotary button.
0
v
bar
c
1
2
1
2
2
4
6
8
10
12
14
16
18
20
22
24
LANGUE
FRANCAIS
Français - Deutsch - English Italiano - Espanol - Nederlands
- Pycck - Polski - Türk -
a
r
pb
(
xc
'
gm r
STD
t
MW-C002286-C
26
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
5 Operation
5. The TYPE parameter appears. Depending on the values noted on
the plate of the outdoor unit, select the type of thermodynamic unit
by turning the rotary button.
Tab.16
5.1.1
Outdoor module out­ Indoor module
put
TYPE
AWHP 4.5 MR
MIT-IN-2/E
MIT AWHP E 4.5 FR
AWHP 4.5 MR
MIT-IN-2/H
MIT AWHP H 4.5 FR
AWHP 4 MR
AWHP 6 MR-2
AWHP 6 MR-3
AWHP 8 MR-2
AWHP 11 MR-2
AWHP 11 TR-2
AWHP 16 MR-2
MIT-IN-2/E
MIT AWHP E HT FR
AWHP 4 MR
AWHP 6 MR-2
AWHP 6 MR-3
AWHP 8 MR-2
AWHP 11 MR-2
AWHP 11 TR-2
AWHP 16 MR-2
MIT-IN-2/H
MIT AWHP H HT FR
AWHP 22 TR
AWHP 27 TR
MIT-IN-2/E
MIT AWHP E FR
AWHP 22 TR
AWHP 27 TR
MIT-IN-2/H
MIT AWHP H FR
AWHP 22 TR R1.UK MIT-IN-2/E
AWHP 27 TR R1.UK
MIT AWHP E HT FR
AWHP 22 TR R1.UK MIT-IN-2/H
AWHP 27 TR R1.UK
MIT AWHP H HT FR
Error during the start-up procedure
No information appears on the display:
Contact the professional who handles maintenance of the appliance.
If there is a problem, the error is displayed on the screen.
For more information, see
Messages, page 37
5.2
Reading out measured values
5.2.1
Access
The various values measured by the appliance are displayed in the
#MEASURES menu.
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
27
5 Operation
1. Accessing the User level: Press the
2. Select the #MEASURES menu.
0
2
4
6
8
10
12
14
16
18
20
22
24
Note
Turn the rotary button to scroll through the menus.
Press the rotary button to access the selected menu.
SUNDAY 11:45
v
bar
c
1
2
1
2
r
p b AUTO x c g m
(
'
STD
r
j
key.
M
See
For a detailed explanation of menu browsing, refer to the chapter:
"Browsing in the menus"
t
MW-C002219-2
5.2.2
User level – Menu #MEASURES
Tab.17
Parameter
Description
Unit
OUTSIDE TEMP.
Outside temperature
°C
ROOMTEMP.A(1)
Room temperature on circuit A
°C
(1)
ROOMTEMP.B
Room temperature on circuit B
°C
ROOMTEMP.C(1)
Room temperature on circuit C
°C
MIT TEMP.
Indoor module flow sensor measurement
°C
PRESSURE
Water pressure in the system
bar
DHW TEMP.(1)
Water temperature in the DHW tank
°C
STOR.TANK.TEMP(1)
Water temperature in the storage tank
°C
SWIMMING P.T.B
Water temperature of the swimming pool on circuit B
°C
SWIMMING P.T.C
Water temperature of the swimming pool on circuit C
°C
Water flow temperature in circuit B
°C
Water flow temperature in circuit C
°C
TEMP.SYSTEM(1)
Water flow temperature in the system if multi-generator
°C
T.DHW BOTTOM
Water temperature in the bottom of the DHW tank
°C
TEMP.TANK AUX(1)
Water temperature in the second DHW tank connected to the AUX
circuit
°C
TEMP.DHW A
Water temperature in the second DHW tank connected to the A cir­
cuit
°C
TEMP.SOL.TANK(1)
Temperature of the hot water produced by solar power (TS)
°C
SOLAR.COLL.T.(1)
Solar panel temperature (TC)
°C
ENERGIE.SOL(1)
Solar energy accumulated in the tank
kWh
FLOWMETER
Plate exchanger flow rate
l/min
NB IMPULS.COMP
Number of heat pump start-ups
RUNTIME HP
Number of hours of operation of the heat pump compressor
h
IN 0-10V(1)
Voltage on the 0--10V input
V
SEQUENCE
Control system sequence
CTRL
Software inspection number (SCU)
DT INSTALLATION
Installation temperature delta
K
ELEC.ENERGY(1)
Total electrical energy consumed
kWh
(1)
(1)
OUTLET TEMP.B
(1)
OUTLET TEMP.C
(1)
(1)
(1)
28
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
5 Operation
Parameter
Description
Unit
ELEC.ENERG.Y1(1)
Total electrical energy consumed in the previous year
kWh
ELEC.ENERG.Y2(1)
Total electrical energy consumed two years ago
kWh
THERM.ENERGY
Total thermal energy yield
kWh
THERM.ENERG.Y1(1)
Total thermal energy yield in the previous year
kWh
THERM.ENERG.Y2(1)
Total thermal energy yield two years ago
kWh
(1)
(1) The parameter is only displayed for the corresponding options, circuits or sensors actually connected.
5.3
Changing the settings
5.3.1
Setting the set point temperatures
To set the various heating, DHW and swimming pool temperatures, pro­
ceed as follows:
Fig.20
1. Press the
key.
2. To select the desired parameter, turn the rotary button.
3. To modify the parameter, press the rotary button.
To go back to the previous display, press the
key.
4. To modify the parameter, turn the rotary button.
5. To confirm, press the rotary button.
MODE
Important
To cancel, press the
key.
MW-C002266-A
menu
Tab.18
Parameter
Adjustment range
Description
Factory setting
DAY TEMP.A
5 to 30°C
Desired room temperature in
comfort mode on circuit A
20°C
NIGHT TEMP.A
5 to 30°C
Desired room temperature in
reduced mode on circuit A
16°C
ROOMTEM.COOL A(1)(2)
22 to 30 °C
Desired room temperature set 25°C
point in cooling mode
DAY TEMP.B(2)
5 to 30°C
Desired room temperature in
comfort mode on circuit B
20°C
NIGHT TEMP.B(2)
5 to 30°C
Desired room temperature in
reduced mode on circuit B
16°C
ROOMTEM.COOL B(2)(1)
22 to 30 °C
Desired room temperature set 25°C
point in cooling mode
DAY TEMP.C(2)
5 to 30°C
Desired room temperature in
comfort mode on circuit C
20°C
NIGHT TEMP.C(2)
5 to 30°C
Desired room temperature in
reduced mode on circuit C
16°C
ROOMTEM.COOL C(2) (1)
22 to 30 °C
Desired room temperature set 25°C
point in cooling mode
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
29
5 Operation
Parameter
Adjustment range
Description
Factory setting
DHW TEMP.(2)
10 to 65 °C
Desired domestic hot water
temperature in the DHW cir­
cuit
55°C
WATER T.NIGHT(2)
10 to 80°C
Tank temperature set point in
night programme
10°C
TEMP.TANK AUX(2)
10 to 80°C
Desired domestic hot water
temperature in the auxiliary
circuit
55°C
WATER T.NIGHTAUX(2)
10 to 80°C
Desired domestic hot water
temperature in the auxiliary
circuit for the night pro­
gramme
10°C
DHW A TEMP.(2)
10 to 80°C
Desired domestic hot water
temperature in the tank con­
nected to circuit A
55°C
WATER T.NIGHT.A(2)
10 to 80°C
Desired domestic hot water
10°C
temperature in night pro­
gramme in the tank connected
to circuit A
TEMP.SOL.TANK(2)
10 to 80°C
Temperature of the hot water
produced by solar power (TS)
SWIMMING P.T.B(2)
0 to 39 °C
Desired temperature for swim­ 20°C
ming pool B
SWIMMING P.T.C(2)
0 to 39 °C
Desired temperature for swim­ 20°C
ming pool C
55°C
(1) The parameter is only displayed if the corresponding circuit can deliver cooling.
(2) The parameter is only displayed for the corresponding options, circuits or sensors actually connected.
5.3.2
Selecting the operating mode
To select an operating mode, proceed as follows:
Fig.21
1. Press the MODE key.
2. To select the desired parameter, turn the rotary button.
3. To modify the parameter, press the rotary button.
To go back to the previous display, press the
key.
4. To modify the parameter, turn the rotary button.
5. To confirm, press the rotary button.
MODE
Note
To cancel, press the
key.
MW-C002267-1
Menu MODE
Tab.19
Parameter
Adjustment range
AUTOMATIQUE
30
AWHP-2 MIT-IN-2 iSystem
Description
Factory setting
The comfort mode ranges are
determined by the timer pro­
gramme.
7616372 - v08 - 06062017
5 Operation
Parameter
Adjustment range
Description
Factory setting
DAY
7/7, xx:xx
Comfort mode is forced until
the time indicated or all the
time (7/7).
Current time + 1 hour
NIGHT
7/7, xx:xx
Reduced mode is forced until
the time indicated or all the
time (7/7).
Current time + 1 hour
HOLIDAYS
7/7, 1 to 365
The frost protection mode is
Current date + 1 day
active on all boiler circuits.
Number of days' holiday: xx (1)
Stop heating: xx:xx (1)
Start heating again: xx:xx (1)
SUMMER
The heating is off.
Domestic hot water continues
to be produced.
COLD
Cooling mode is forced.
MANUEL
The generator operates ac­
cording to the set point set­
ting.
All of the pumps operate. Pos­
sibility of setting the set point
by simply turning the rotary
button.
FORCE AUTO(2)
ON/OFF
An operating mode override is
activated on the remote con­
trol (optional).
To force all circuits to run on
AUTOMATIQUE, select ON.
(1) The start and end days and the number of days are calculated in relation to each other.
(2) The parameter is only displayed if a room sensor is connected.
5.3.3
Forcing domestic hot water production
To force domestic hot water production, proceed as follows:
Fig.22
1. Press the
key.
2. To select the desired parameter, turn the rotary button.
3. To modify the parameter, press the rotary button.
To go back to the previous display, press the
key.
4. To modify the parameter, turn the rotary button.
5. To confirm, press the rotary button.
MODE
Note
To cancel, press the
key.
MW-C002268-A
menu
Parameter
Description
AUTOMATIQUE
The domestic hot water comfort mode ranges are determined by
the timer programme.
COMFORT
The domestic hot water comfort mode is forced until the time indi­ Current time + 1 hour
cated or at all times (24/7).
7616372 - v08 - 06062017
Factory setting
AWHP-2 MIT-IN-2 iSystem
31
5 Operation
5.3.4
Fig.23
Setting the contrast and brightness of the display
1. Access the User level: Press the
2. Select the #SETTING menu.
0
2
4
6
8
10
12
14
16
18
20
22
Note
Turn the rotary button to scroll through the menus or modify a
value.
Press the rotary button to access the selected menu or confirm
a value modification.
24
SUNDAY 11:45
v
bar
c
1
2
1
2
r
p b AUTO x c g m
(
'
r
j
M
t
STD
key.
See
For a detailed explanation of menu browsing, refer to the chapter:
"Browsing in the menus"
MW-C002219-2
3. Set the following parameters:
User level – Menu #SETTING
Tab.20
Parameter
Adjustment
range
Description
CONTRAST DISP.
BACK LIGHT
Factory setting
Adjusting the display contrast.
COMFORT
The screen is illuminated continuously in daytime pe­
riods.
ECO
The screen is illuminated for 2 minutes whenever
pressed.
5.3.5
Fig.24
2
4
6
8
10
12
14
16
18
20
22
v
c
1
2
1
2
r
p b AUTO x c g m
(
'
STD
r
j
key.
Note
Turn the rotary button to scroll through the menus or modify a
value.
Press the rotary button to access the selected menu or confirm
a value modification.
24
SUNDAY 11:45
bar
ECO
Setting the time and date
1. Access the User level: Press the
2. Select the #TIME .DAY menu.
0
Customer set­
ting
M
t
See
For a detailed explanation of menu browsing, refer to the chapter:
"Browsing in the menus"
MW-C002219-2
3. Set the following parameters:
User level – Menu #TIME .DAY
Note
Depending on the configuration
Tab.21
Parameter
Adjustment range
Description
HOURS
0 to 23
Setting the hours
MINUTE
0 to 59
Setting the minutes
DAY
Monday to Sunday Setting the day of the week
DATE
1 to 31
Setting the date
MONTH
January to De­
cember
Setting the month
32
AWHP-2 MIT-IN-2 iSystem
Factory set­
ting
Customer
setting
7616372 - v08 - 06062017
5 Operation
Parameter
Adjustment range
Description
Factory set­
ting
YEAR
2008 to 2099
Setting the year
SUM.TIME
AUTO
Automatic switch to summer time (last Sunday in March) AUTO
and winter time (last Sunday in October).
MANU
For countries where the time change is done on other
dates or is not in use.
5.3.6
Fig.25
Customer
setting
Selecting a timer programme
1. Access the User level: Press the
key.
2. Select the #CHOICE TIME PROG. menu.
0
2
4
6
8
10
12
14
16
18
20
22
Note
Turn the rotary button to scroll through the menus or modify a
value.
Press the rotary button to access the selected menu or confirm
a value modification.
24
SUNDAY 11:45
v
bar
c
1
2
1
2
r
p b AUTO x c g m
(
'
r
j
M
t
STD
See
For a detailed explanation of menu browsing, refer to the chapter:
"Browsing in the menus"
MW-C002219-2
3. Select the desired parameter.
4. Assign the desired timer programme (P1 to P4) to the circuit using
the rotary button.
User level – Menu #CHOICE TIME PROG.
Tab.22
Parameter
Adjustment
range
CURRENT
PROG.A
P1 / P2 / P3 / P4 Comfort programme active (Circuit
A)
CURRENT
PROG.B
P1 / P2 / P3 / P4 Comfort programme active (Circuit
B)
CURRENT
PROG.C
P1 / P2 / P3 / P4 Comfort programme active (Circuit
C)
5.3.7
Fig.26
Description
Customising a timer programme
1. Accessing the User level: Press the
2. Select the #TIME PROGRAM menu.
0
2
4
6
8
10
12
14
16
18
20
22
24
SUNDAY 11:45
v
bar
c
1
2
1
2
r
p b AUTO x c g m
(
'
STD
r
j
M
t
Note
Turn the rotary button to scroll through the menus or modify a
value.
Press the rotary button to access the selected menu or confirm
a value modification.
See
For a detailed explanation of menu browsing, refer to the chapter:
"Browsing in the menus"
MW-C002219-2
7616372 - v08 - 06062017
key.
3. Select the desired parameter.
4. Select the timer programme to be modified.
AWHP-2 MIT-IN-2 iSystem
33
5 Operation
Fig.27
0
v
bar
c
1
2
1
2
2
4
6
8
10
12
14
16
18
20
22
24
a
PROG P2 C
Mo Tu We Th Fr Sa Su
"Display of the timeprogram.
To continuepush on the button"
r
p b AUTO x c g m
(
'
r
j
5. Select the days for which the timer programme is to be modified:
Turn the rotary button to the left until you reach the desired day. To
confirm, press the rotary button.
L
t
STD
C002228-B-04
Fig.28
6.
0
v
bar
c
1
2
1
2
2
4
6
8
10
12
14
16
PROG P2 C
Mo Tu We Th Fr
"Select the days to
program"
r
p b AUTO x c g m
(
'
r
18
Sa
j
20
22
24
a
Su
L
t
STD
: Day selection
Press the
/
key until the
symbol is displayed. Turn the ro­
tary button to the right to select the day(s) desired.
: Cancelling the day selection
Press the
/
key until the
symbol is displayed. Turn the ro­
tary button to the right to cancel selection of the relevant day(s).
7. When the days desired for the programme have been selected,
press the rotary button to confirm.
8. To define the time ranges for the comfort mode and reduced mode:
Turn the rotary button to the left until 0:00 is displayed. The first seg­
ment of the graphic bar for the timer programme flashes.
C002229-C-04
Fig.29
9.
06:00
0
v
bar
c
1
2
4
6
8
10
12
14
PROG P2 C
Mo Tu We Th Fr
Set the time program.
16
18
20
22
24
06:00
Sa Su
2
1
2
r
p b AUTO x c g m
(
'
STD
r
j
a
: Comfort mode selection
Press the
/
key until the
symbol is displayed. To select a
comfort time range, turn the rotary button to the right.
: Reduced mode selection
Press the
/
key until the
symbol is displayed. To select a
reduced time range, turn the rotary button to the right.
10. When the times for the comfort mode have been selected, press the
rotary button to confirm.
L
t
C002230-E-04
User level – Menu #TIME PROGRAM
Tab.23
Parameter
Timer programme
Description
TIME PROG.A
PROG P2 A
PROG P3 A
PROG P4 A
Circuit A timer programme
TIME PROG.B
PROG P2 B
PROG P3 B
PROG P4 B
Circuit B timer programme
TIME PROG.C
PROG P2 C
PROG P3 C
PROG P4 C
Circuit C timer programme
TIME
PROG.DHW
34
AWHP-2 MIT-IN-2 iSystem
DHW circuit timer programme
7616372 - v08 - 06062017
5 Operation
Parameter
Timer programme
Description
TIME
PROG.AUX
Auxiliary circuit timer programme
TIME
PROG.EVU
Power cut off timer programme
EVU
User level – Menu #TIME PROGRAM
Tab.24
Day
Comfort periods:
P1____________
TIME PROG.A
TIME PROG.B
TIME PROG.C
TIME PROG.DHW
7616372 - v08 - 06062017
Monday
6:00 to 22:00
Tuesday
6:00 to 22:00
Wednesday
6:00 to 22:00
Thursday
6:00 to 22:00
Friday
6:00 to 22:00
Saturday
6:00 to 22:00
Sunday
6:00 to 22:00
Monday
6:00 to 22:00
Tuesday
6:00 to 22:00
Wednesday
6:00 to 22:00
Thursday
6:00 to 22:00
Friday
6:00 to 22:00
Saturday
6:00 to 22:00
Sunday
6:00 to 22:00
Monday
6:00 to 22:00
Tuesday
6:00 to 22:00
Wednesday
6:00 to 22:00
Thursday
6:00 to 22:00
Friday
6:00 to 22:00
Saturday
6:00 to 22:00
Sunday
6:00 to 22:00
Monday
6:00 to 22:00
Tuesday
6:00 to 22:00
Wednesday
6:00 to 22:00
Thursday
6:00 to 22:00
Friday
6:00 to 22:00
Saturday
6:00 to 22:00
Sunday
6:00 to 22:00
P2____________
P3____________
P4____________
AWHP-2 MIT-IN-2 iSystem
35
5 Operation
TIME PROG.AUX
TIME PROG.EVU
5.4
Day
Comfort periods:
Monday
6:00 to 22:00
Tuesday
6:00 to 22:00
Wednesday
6:00 to 22:00
Thursday
6:00 to 22:00
Friday
6:00 to 22:00
Saturday
6:00 to 22:00
Sunday
6:00 to 22:00
Monday
6:00 to 22:00
Tuesday
6:00 to 22:00
Wednesday
6:00 to 22:00
Thursday
6:00 to 22:00
Friday
6:00 to 22:00
Saturday
6:00 to 22:00
Sunday
6:00 to 22:00
Shutting down the system
If the central heating system is not used for a long period, we recommend
switching the appliance off.
To stop the indoor module, use the
ON/OFF switch and cut the pow­
er supply on the house's junction box.
To shut down the outdoor module, switch off the power supply on the
junction box inside the house.
Caution
Frost protection is no longer automatically guaranteed if the mains
supply is switched off.
5.5
Turning on the frost protection function
Put the heat pump into HOLIDAYS mode.
For more information, see
Selecting the operating mode, page 30
36
AWHP-2 MIT-IN-2 iSystem
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6 Troubleshooting
6
Troubleshooting
6.1
Anti-cycling
When the heat pump is in the "anti-cycling" operating mode, the
bol flashes. This is a normal operation mode
sym­
. When the restart temperature is reached, operation will be guaranteed.
1. Press the "?" key.
The message Operation assured when the restart temperature will
be reached is displayed. When the restart temperature is reached,
operation will be guaranteed.
Note
This message is not an error message but an item of information.
6.2
Messages
In the event of a disruption, the control panel displays a message and a
corresponding code.
1. Make a note of the code displayed.
The code is important for the correct and rapid diagnosis of the type
of malfunction and for any technical assistance that may be needed.
2. Switch off heat pump and start up again.
The heat pump starts up again autonomously when the cause of the
failure has been lifted.
3. If the code is displayed again, correct the problem by following the
instructions in the table below:
6.2.1
List of error codes and messages
Tab.25
Code
Messages
Description
Checking / solution
B00
BL.PSU ERROR
The PSU PCB is incorrectly config­
ured
Parameter error on the PSU PCB
Reset the generator type in the
#CONFIGURATION menu (Refer to the origi­
nal data plate)
B02
BL.FLOW S.
The MIT-2 flow sensor is short circuit­ Poor connection.
ed or on an open circuit.
Check the wiring between the PCU PCB and
the sensor.
Check that the SU PCB is correctly in place.
Check that the sensor has been fitted proper­
ly.
Check the sensor resistor.
B08
BL.SC.IN.OPEN
The BL inlet on the PCU PCB termi­ The contact connected to the BL inlet is open.
nal block is open. No frost protection.
Check the contact on the BL input.
Parameter error.
Check the I.BL parameter.
Poor connection.
Check the wiring.
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
37
6 Troubleshooting
Code
Messages
Description
Checking / solution
B09
BL.SC.IN.OPEN
The BL inlet on the PCU PCB termi­
nal block is open. Frost protection.
The contact connected to the BL inlet is open.
Check the contact on the BL input.
Parameter error.
Check the I.BL parameter.
Poor connection.
Check the wiring.
B10
BL.GROUP.EXT.
Outdoor unit failure.
B11
BL.COM SCU
Communication error with the SCU
PCB.
Consult the error codes specific to the out­
door module.
Bad connection
Check the wiring
SCU PCB not installed in the appliance
Install an SCU PCB
B12
BL.WATER MIS.
The water pressure is lower than 0.5
bar
Not enough water in the circuit.
Top up the system with water.
B13
BL.DHW. S.
The DHW tank sensor is disconnec­
ted or short circuited
Check that the sensor is actually connected
to the P.DHW inlet on the PCU
Check the wiring
Check the ohmic value of the sensor. Re­
place it if necessary
B14
BL.OUTSIDE.S
The outside temperature sensor is
disconnected or short circuited.
Check that the sensor is actually connected
to the S.EXT inlet on the PCU
Check the wiring
Check the ohmic value of the sensor. Re­
place it if necessary
B17
BL.BAD PSU
The parameters saved on the PCU
PCB are damaged.
Parameter error on the PCU PCB.
The PSU PCB is not recognised
Wrong PCU PCB for this heat pump.
B18
BL.BAD PSU
Replace the PCU PCB.
Replace the PSU PCB.
B19
BL.NO CONFIG
The indoor module has not been con­ The PCU PCB has been changed.
figured.
Reset the generator type in the
#CONFIGURATION menu (Refer to the origi­
nal data plate).
B39
BL.FLOW
Low flow rate.
Check the settings of the heat pump circulat­
ing pump.
Check that the filter is not blocked.
B40
BL.FLOW.STOP
Flow rate error.
Check the settings of the heat pump circulat­
ing pump.
Check that the filter is not blocked.
B41
BL.COM.COUNT.kWh
Communication error with the energy
meter option PCB.
Bad connection
Check the wiring
B50
BL.FLOW.CNT.kWh
Energy meter flow sensor error.
Check the connection and resistance of the
sensor
B51
BL.RET.S.CNT.kWh
Energy meter return sensor error.
Check the connection and resistance of the
sensor
B52
BL.CNT.kWh.ELEC1
ELEC 1 electrical meter error.
Check that there is no short-circuit on ELEC1
input
B53
BL.CNT.kWh.ELEC2
ELEC 2 electrical meter error.
Check that there is no short-circuit on ELEC2
input
38
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
6 Troubleshooting
Code
Messages
Description
Checking / solution
B54
BL.CNT.kWh.THERM
Thermal meter error.
Check that there is no short-circuit on the
THERM inlet
B55
BL.FLOW
Low flow rate.
Check the settings of the heat pump circulat­
ing pump.
Check that the filter is not blocked.
M04
REVISION
A service is required.
The date scheduled for the service has been
reached.
Carry out maintenance on the heat pump.
To clear the service, program another date in
the #REVISION menu or set the REVISION
TYPE parameter to OFF.
FL.DRY.BXXDAYS
Floor drying is active.
XX DAYS = Number of days' floor
drying remaining.
Floor drying is under way. Heating on the cir­
cuits not concerned is shut down.
CHANGE OUTSI.S
The outside temperature sensor is
defective.
Change the radio-controlled outside tempera­
ture sensor.
Code
Messages
Description
Checking / solution
B00
BL.PSU ERROR
The PSU PCB is incorrectly config­
ured
Parameter error on the PSU PCB
FL.DRY.CXXDAYS
FL.DRY.B+C XX DAYS
M23
Wait for the number of days shown to change
to 0.
Set the SCREED DRYING parameter to
OFF.
Tab.26
Contact the professional who handles the
maintenance for the appliance
B02
BL.FLOW S.
The MIT-2 flow sensor is short circuit­ Poor connection.
ed or on an open circuit.
Contact the professional who handles main­
tenance of the appliance.
B08
BL.SC.IN.OPEN
The BL inlet on the PCU PCB termi­ The contact connected to the BL inlet is open.
nal block is open. No frost protection.
Contact the professional who handles main­
tenance of the appliance.
Parameter error.
Contact the professional who handles main­
tenance of the appliance.
Poor connection.
Contact the professional who handles main­
tenance of the appliance.
B09
BL.SC.IN.OPEN
The BL inlet on the PCU PCB termi­
nal block is open. Frost protection.
The contact connected to the BL inlet is open.
Contact the professional who handles main­
tenance of the appliance.
Parameter error.
Contact the professional who handles main­
tenance of the appliance.
Poor connection.
Contact the professional who handles main­
tenance of the appliance.
B10
BL.GROUP.EXT.
Outdoor unit failure.
Contact the professional who handles main­
tenance of the appliance.
B11
BL.COM SCU
Communication error with the SCU
PCB.
Contact the professional who handles main­
tenance of the appliance.
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
39
6 Troubleshooting
Code
Messages
Description
Checking / solution
B12
BL.WATER MIS.
The water pressure is lower than 0.5
bar
Not enough water in the circuit.
The DHW tank sensor is disconnec­
ted or short circuited
Poor connection.
The outside temperature sensor is
disconnected or short circuited.
Poor connection.
The parameters saved on the PCU
PCB are damaged.
Parameter error on the PCU PCB.
The PSU PCB is not recognised
Wrong PCU PCB for this heat pump.
B13
B14
B17
B18
BL.DHW. S.
BL.OUTSIDE.S
BL.BAD PSU
BL.BAD PSU
Top up the system with water.
Contact the professional who handles main­
tenance of the appliance.
Contact the professional who handles main­
tenance of the appliance.
Contact the professional who handles main­
tenance of the appliance.
Contact the professional who handles main­
tenance of the appliance.
B19
BL.NO CONFIG
The indoor module has not been con­ The PSU PCB has been changed.
figured.
Contact the professional who handles main­
tenance of the appliance.
B39
BL.FLOW
Low flow rate.
Contact the professional who handles main­
tenance of the appliance.
B40
BL.FLOW.STOP
Flow rate error.
Contact the professional who handles main­
tenance of the appliance.
B41
BL.COM.COUNT.kWh
Communication error with the energy
meter option PCB.
Poor connection.
Energy meter flow sensor error.
Poor connection.
B50
BL.FLOW.CNT.kWh
Contact the professional who handles main­
tenance of the appliance.
Contact the professional who handles main­
tenance of the appliance.
B51
BL.RET.S.CNT.kWh
Energy meter return sensor error.
Poor connection.
Contact the professional who handles main­
tenance of the appliance.
B52
BL.CNT.kWh.ELEC1
ELEC 1 electrical meter error.
Poor connection.
Contact the professional who handles main­
tenance of the appliance.
B53
BL.CNT.kWh.ELEC2
ELEC 2 electrical meter error.
Poor connection.
Contact the professional who handles main­
tenance of the appliance.
B54
BL.CNT.kWh.THERM
Thermal meter error.
Poor connection.
Contact the professional who handles main­
tenance of the appliance.
B55
40
BL.FLOW
AWHP-2 MIT-IN-2 iSystem
Low flow rate.
Contact the professional who handles main­
tenance of the appliance.
7616372 - v08 - 06062017
6 Troubleshooting
Code
Messages
Description
Checking / solution
M04
REVISION
A service is required.
The date scheduled for the service has been
reached.
Carry out maintenance on the heat pump.
To clear the service, program another date in
the #REVISION menu or set the REVISION
TYPE parameter to OFF.
FL.DRY.BXXDAYS
FL.DRY.CXXDAYS
Floor drying is active.
XX DAYS = Number of days' floor
drying remaining.
Floor drying is under way. Heating on the cir­
cuits not concerned is shut down.
The outside temperature sensor is
defective.
Change the radio-controlled outside tempera­
ture sensor.
FL.DRY.B+C XX DAYS
M23
CHANGE OUTSI.S
6.3
Wait for the number of days shown to change
to 0.
Set the SCREED DRYING parameter to
OFF.
Faults (Lxx or Dxx code types)
1. Make a note of the code displayed. The code is important for the
correct and rapid diagnosis of the type of error and for any technical
assistance that may be needed.
2. Press the
key. If the code is displayed again, switch off the boil­
er and then switch it back on.
Fig.30
0
2
4
6
8
10
12
14
16
18
20
22
24
SUNDAY 11:45
v
c
1
TEMP. : 68°
2
1
2
r PCU. COM. FAIL. D27
bar
p b AUTO x c g m
(
r
j
M
t
STD
C002604-B-04
Fig.31
3. Press the
key. Follow the instructions displayed to solve the
problem.
4. Consult the meaning of the codes in the table below:
0
2
4
6
8
10
12
14
16
18
20
22
24
SUNDAY 11:45
v
bar
c
1
TEMP. : 68°
2
1
2
r PCU COM.FAIL D27
p b AUTO x c g m
(
'
STD
r
j
M
t
C002302-D-04
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
41
6 Troubleshooting
6.3.1
Table of error codes
Tab.27
Code
Faults
Cause of
the fault
Description
Checking / solution
D03 D04
OUTL S.B FAIL.
OUTL S.C FAIL.
SCU
Fault on flow sensor circuit B
Fault on flow sensor circuit C
Remarks:
The circuit pump is running.
The 3-way valve motor on the cir­
cuit is no longer supplied with
power and can be adjusted man­
ually.
Bad connection
Sensor failure
Contact the professional who han­
dles the maintenance for the appli­
ance
D05
OUTSI.S.FAIL.
SCU
Outside temperature sensor fault Bad connection
Remarks:
Sensor failure
The set point is equal to the MAX
Contact the professional who han­
MIT parameter.
dles the maintenance for the appli­
The valve setting is no longer
ance
guaranteed but monitoring of the
maximum temperature of the cir­
cuit after the valve is still guaran­
teed.
The valves can be manually oper­
ated.
Reheating the domestic hot water
continues to be guaranteed.
D07
SYST.SENS.FAIL.
SCU
System sensor fault
Bad connection
Sensor failure
Contact the professional who han­
dles the maintenance for the appli­
ance
D09
DHW S.FAILURE
SCU
Domestic hot water sensor fault
Bad connection
Remarks:
Sensor failure
Domestic hot water heating is no
Contact the professional who han­
longer guaranteed.
dles the maintenance for the appli­
The booster pump is running.
ance
The tank load temperature is
equal to the temperature of the in­
door module.
D11
D12
D13
ROOM S.A FAIL.
ROOM S.B FAIL.
ROOM S.C FAIL.
SCU
Fault on room temperature sensor Bad connection
circuit A
Sensor failure
Fault on room temperature sensor
Contact the professional who han­
circuit B
dles the maintenance for the appli­
Fault on room temperature sensor
ance
circuit C
Remarks:
The circuit concerned runs with­
out any influence from the room
sensor.
D14
MC COM.FAIL
SCU
Communication failure between
Bad connection
the SCU PCB and the boiler radio
Check the link and the connectors
module
Boiler module failure
Change the boiler module
D15
42
ST.TANK S.FAIL
AWHP-2 MIT-IN-2 iSystem
SCU
Buffer tank sensor fault
Note:
The buffer tank heating operation
is no longer guaranteed.
Bad connection
Sensor failure
Contact the professional who han­
dles the maintenance for the appli­
ance
7616372 - v08 - 06062017
6 Troubleshooting
Code
Faults
Cause of
the fault
Description
Checking / solution
D16
D16
SWIM.B S.FAIL
SWIM.C S.FAIL
SCU
Fault on pool sensor circuit B
Fault on pool sensor circuit C
Remarks:
Swimming pool reheating is al­
ways done during the circuit's
comfort period
Bad connection
Sensor failure
Sensor error on tank 2
Bad connection
Sensor failure
D17
DHW 2 S.FAIL
SCU
Contact the professional who han­
dles the maintenance for the appli­
ance
Contact the professional who han­
dles the maintenance for the appli­
ance
D18
SOL.HW S.FAIL
SCU
Solar tank sensor fault
Bad connection
Sensor failure
Contact the professional who han­
dles the maintenance for the appli­
ance
D19
SOL.COL.S.FAIL
SCU
Header sensor fault
Bad connection
Sensor failure
Contact the professional who han­
dles the maintenance for the appli­
ance
D20
SOL COM.FAIL
SCU
Interruption in communication between the SCU PCB and the solar con­
trol system
Contact the professional who handles the maintenance for the appli­
ance
D27
PCU COM.FAIL
SCU
Interruption in communication between the SCU PCB and the solar con­
trol system
Contact the professional who handles the maintenance for the appli­
ance
D32
5 RESET:ON/OFF
SCU
Five resets done in less than an hour
Switch off and restart the heat pump
D37
TA-S SHORT-CIR
SCU
The Titan Active System® has short circuited
Check that the connection cable between the SCU PCB and the
anode has not short-circuited
Check that the anode has not short-circuited
Remarks:
Domestic hot water production has stopped but can nonetheless be re­
started using the
key.
The tank is no longer protected.
If a tank without Titan Active System® is connected to the heat pump,
check that the TAS simulation connector (delivered with package
AD212) is fitted to the sensor PCB.
D38
TA-S DISCONNEC
SCU
The Titan Active System® is on an open circuit
Check that the connection cable between the SCU PCB and the
anode has not been severed
Check that the anode is not broken
Remarks:
Domestic hot water production has stopped but can nonetheless be re­
key.
started using the
The tank is no longer protected.
If a tank without Titan Active System® is connected to the heat pump,
check that the TAS simulation connector (delivered with package
AD212) is fitted to the sensor PCB.
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
43
6 Troubleshooting
Code
Faults
D99
DEF.BAD PCU
Cause of
the fault
Description
Checking / solution
The SCU software version does not recognise the PCU connected
Contact the professional who handles the maintenance for the appli­
ance
L33
FAIL.FLOW
The flow rate is lower than the threshold defined by the
MIN.STOP.FLOW. parameter
Contact the professional who handles the maintenance for the appli­
ance
44
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
7 Environmental
7
7.1
Environmental
Energy saving
This chapter contains:
Advice on saving energy
Advice on setting the room thermostat correctly
7.1.1
Energy savings
Energy-saving advice:
Do not block ventilation outlets.
Do not cover the radiators. Do not hang curtains in front of the radiators.
Install reflective panels behind the radiators to prevent heat losses.
Insulate the pipes in rooms that are not heated (cellars and lofts).
Close the radiators in rooms not in use.
Do not run hot (or cold) water pointlessly.
Install an energy-saving shower head, which can save up to 40 % ener­
gy.
Take showers rather than baths. A bath consumes twice as much water
and energy.
7.1.2
Room thermostat and settings
A modulating thermostat, possibly in combination with thermostatic valve
radiators, saves energy and offers considerable comfort. This combina­
tion allows you to set the temperature on each flow. In the room in which
the room thermostat is installed, do not fit thermostatic valve radiators.
Lower the thermostat setting to approximately 16°C at night or when you
are not at home. This reduces heating costs and energy consumption.
Lower the room thermostat when you air the rooms.
When setting the programmable thermostat timer, bear in mind days
when you are absent or will be on holiday.
7.2
Recommendations
The remote control is available in the following versions:
Wired
Radio
The control panel and/or the remote control setting has a considerable in­
fluence on energy consumption.
A few tips:
In the room in which the room thermostat is installed, it is advised that
thermostatic valve radiators are not used. If a thermostatic valve is used
the valve must be fully opened.
Completely closing and opening thermostatic valve radiators causes un­
desirable temperature fluctuations. Open and close thermostatic valves
in small steps.
Lower the setpoint to approx. 20°C. This will help reduce heating costs
and energy consumption.
Lower the set point when you air the rooms.
When setting a timer programme, bear in mind days when you are ab­
sent or will be on holiday.
7616372 - v08 - 06062017
AWHP-2 MIT-IN-2 iSystem
45
8 Disposal/recycling
8
Disposal/recycling
8.1
Fig.32
Disposal and Recycling
Recycling
Warning
Removal and disposal of the heat pump must be carried out by a
qualified professional in accordance with prevailing local and na­
tional regulations.
MW-3000179-03
46
AWHP-2 MIT-IN-2 iSystem
7616372 - v08 - 06062017
9 Warranty
9
9.1
Warranty
General
You have just purchased one of our appliances and we thank you for the
trust you have placed in our products.
Please note that your appliance will provide good service for a longer peri­
od of time if it is regularly checked and maintained.
Your installer and our customer support network are at your disposal at all
times.
9.2
Terms of warranty
The following provisions do not affect the application, in favour of the buy­
er, of the legal provisions with regard to hidden defects that are applicable
in the buyer's country.
This appliance comes with a warranty that covers all manufacturing faults;
the warranty period will commence on the date of purchase stated on the
installer's invoice.
The warranty period is stated in our price list.
As a manufacturer, we can by no means be held liable if the appliance is
used incorrectly, is poorly maintained or not maintained at all, or is not in­
stalled correctly (it is your responsibility to ensure that installation is carried
out by a qualified installer).
In particular, we cannot be held liable for material damage, intangible los­
ses or physical injury resulting from an installation that does not comply
with:
Legal or regulatory requirements or provisions laid down by the local au­
thorities.
National or local regulations and special provisions relating to the instal­
lation.
Our manuals and installation instructions, in particular in terms of regular
maintenance of the appliances.
Our warranty is limited to the replacement or repair of the parts found to
be defective by our technical services team, excluding labour, transfer and
transport costs.
Our warranty does not cover replacement or repair costs for parts that may
become defective due to normal wear, incorrect usage, the intervention of
unqualified third parties, inadequate or insufficient supervision or mainte­
nance, a mains supply that is not appropriate or the use of unsuitable or
poor quality fuel.
Smaller parts, such as motors, pumps, electrical valves etc., are guaran­
teed only if these parts have never been dismantled.
The rights established in European Directive 99/44/EEC, implemented by
legal decree No. 24 of 2 February 2002 and published in Official Journal
No. 57 of 8 March 2002, remain in force.
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47
10 Appendix
10 Appendix
10.1
Information on the ecodesign and energy labelling directives
10.1.1
Specific information
Product fiche - Heat pump space heaters
Tab.28
Product fiche for heat pump space heaters
AWHP 4 MR AWHP 4.5
MR
Space heating energy efficiency class under average cli­
mate conditions
++
A
AWHP 6
MR-2
AWHP 6
MR-3
++
++
A
A
kW
2
Seasonal space heating energy efficiency under aver­
age climate conditions
%
131
134
137
136
Annual energy consumption
kWh
1228
2353
2124
3316
Sound power level LWA indoors(1)
dB (A)
Rated heat output, under colder - warmer climate condi­
tions
kW
2-3
Seasonal space heating energy efficiency, under colder
- warmer climate conditions
%
109 - 167
109 – 179
Annual energy consumption colder - warmer
kWh
1965 - 970
4483 – 1249
Sound power level LWA outdoors
dB (A)
53
64
4
++
A
Rated heat output under average climate conditions
(Prated or Psup)
4
AWHP 8
MR-2
53
53
5–4
4-5
116 - 172
6
53
6-6
119 - 169
3721 - 1492 4621 - 1904
61
65
65
(1) If applicable
Tab.29
Product fiche for heat pump space heaters
AWHP 11
MR-2
AWHP 11
TR-2
Space heating energy efficiency class under average cli­
mate conditions
++
A
AWHP 16
MR-2
AWHP 16
TR-2
++
AWHP 22
TR
++
AWHP 27
TR
++
A
A
A
8
7
14
Rated heat output under average climate conditions
kW
6
Seasonal space heating energy efficiency under aver­
age climate conditions
%
132
130
125
125
Annual energy consumption
kWh
3783
5184
4808
9156
Sound power level LWA indoors(1)
dB (A)
53
43
Rated heat output, under colder - warmer climate condi­
tions
kW
4-8
7 - 13
5 - 12
Seasonal space heating energy efficiency, under colder
- warmer climate conditions
%
113 - 167
113 - 161
103 - 164
Annual energy consumption colder - warmer
kWh
Sound power level LWA outdoors
dB (A)
(Prated or Psup)
48
AWHP-2 MIT-IN-2 iSystem
53
3804 - 2580 5684 - 4120
69
69
43
4702 - 3837
74
15 - 21
110 - 156
13152 6952
75
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10 Appendix
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22
TR
AWHP 27
TR
(1) If applicable
See
For specific precautions about assembling, installing and main­
taining: See Safety
Product fiche - Temperature Controls
Tab.30
Product fiche for the Temperature controls
DIEMATIC iSystem
Class
Contribution to space heating energy efficiency
II
%
2
Package fiche - Medium-temperature heat pumps
Note
‘Medium-temperature application’ means an application where the
heat pump space heater or heat pump combination heater deliv­
ers its declared capacity for heating at an indoor heat exchanger
outlet temperature of 55 °C.
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49
10 Appendix
Fig.33
Package fiche for medium-temperature heat pumps indicating the space heating energy efficiency of the package
Seasonal space heating energy efficiency of heat pump
1
‘I’
Temperature control
%
2
from fiche of temperature control
Class I = 1%, Class II = 2%, Class III = 1.5%,
Class IV = 2%, Class V = 3%, Class VI = 4%,
Class VII = 3.5%, Class VIII = 5%
Supplementary boiler
Seasonal space heating energy efficiency (in %)
+
%
3
from fiche of boiler
(
- ‘I’ ) x ‘II’ = ±
Solar contribution
%
(1)
Tank rating
from fiche of solar device
Collector size (in m²)
Tank volume (in m³)
(‘III’ x
+
A* = 0.95, A = 0.91,
B = 0.86, C = 0.83,
D - G = 0.81
Collector efficiency (in
%)
‘IV’ x
0.45 x (
) x
/100)
4
x
= +
%
(1) If tank rating is above A, use 0.95
Seasonal space heating energy efficiency of package under average climate
5
%
Seasonal space heating energy efficiency class of package under average climate
G
F
E
D
C
B
A
+
++
A
A
+++
A
<30%
Seasonal space heating energy efficiency under colder and warmer climate conditions
5
Colder:
5
- ‘V’ =
%
Warmer:
+ ‘VI’ =
%
The energy efficiency of the package of products provided for in this fiche may not correspond to its actual energy efficiency once installed
in a building, as this efficiency is influenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics.
AD-3000745-01
I
II
III
IV
V
VI
50
AWHP-2 MIT-IN-2 iSystem
The value of the seasonal space heating energy efficiency of the
preferential space heater, expressed in %.
The factor for weighting the heat output of preferential and supple­
mentary heaters of a package as set out in the following table.
The value of the mathematical expression: 294/(11 · Prated),
whereby "Prated" is related to the preferential space heater.
The value of the mathematical expression 115/(11 · Prated),
whereby "Prated" is related to the preferential space heater.
The value of the difference between the seasonal space heating
energy efficiencies under average and colder climate conditions,
expressed in %.
The value of the difference between the seasonal space heating
energy efficiencies under warmer and average climate conditions,
expressed in %.
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10 Appendix
Tab.31
Weighting of medium temperature heat pumps
Prated / (Prated + Psup)(1)(2)
II, package without hot water storage tank
II, package with hot water storage tank
0
1.00
1.00
0.1
0.70
0.63
0.2
0.45
0.30
0.3
0.25
0.15
0.4
0.15
0.06
0.5
0.05
0.02
0.6
0.02
0
≥ 0.7
0
0
(1) The intermediate values are calculated by linear interpolation between the two adjacent values.
(2) Prated is related to the preferential space heater or combination heater.
Tab.32
Package efficiency
AWHP 4 MR
AWHP 4.5
MR
AWHP 6
MR-2
AWHP 6
MR-3
AWHP 8
MR-2
Seasonal space heating energy efficiency
%
131
134
137
136
Temperature control
%
+2
+2
+2
+2
Seasonal space heating energy efficiency of package
%
133
136
139
138
AWHP 16
MR-2
AWHP 16
TR-2
AWHP 22 TR AWHP 27 TR
Tab.33
Package efficiency
AWHP 11
MR-2
AWHP 11
TR-2
Seasonal space heating energy efficiency
%
132
130
125
125
Temperature control
%
+2
+2
+2
+2
Seasonal space heating energy efficiency of package
%
134
132
127
127
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10 Appendix
52
AWHP-2 MIT-IN-2 iSystem
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10 Appendix
54
AWHP-2 MIT-IN-2 iSystem
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© Copyright
All technical and technological information contained in these technical instructions, as well as any drawings and technical de­
scriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
DE DIETRICH THERMIQUE S.A.S
+49 (0)25 72 / 9161-0
+49 (0)25 72 / 9161-102
info@remeha.de
ES
IT
CZ
DE DIETRICH THERMIQUE Iberia S.L.U.
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Freecall 0800 / 201608
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7616372 - v08 - 06062017
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