Danfoss DHP-M Manuale utente
MAKING MODERN LIVING POSSIBLE
User Guide
DHP-M
www.heating.danfoss.com
The English language is used for the original instructions.
Other languages are a translation of the original instructions.
(Directive 2006/42/EC)
© Copyright Danfoss A/S
Table of Contents
1 Foreword ............................................... 4
2Safety precautions ......................................... 5
2.1 Symbols in documents .................................... 5
2.2 Important information .................................... 5
2.3 Installation and maintenance ................................ 6
2.4 System modifications .................................... 7
2.5 Safety valves ......................................... 7
3About your heat pump ....................................... 8
3.1 Product description ..................................... 8
3.2 Water heater ......................................... 8
4Control system ........................................... 9
4.1 Display description ...................................... 9
5Settings and adjustments ..................................... 11
5.1 Adjusting the indoor temperature ............................. 11
5.2 Adjusting the Heat Curve .................................. 12
5.3 Heating Settings ....................................... 12
5.4 Activate / deactivate functions ............................... 13
5.5 Selecting operating mode .................................. 13
5.6 Distribution circuits ..................................... 16
5.7 System information ..................................... 17
6 Default settings in the control unit ............................... 18
7 Regular checks ........................................... 19
7.1 Alarms ............................................. 19
7.2 Checking the brine circuit pressure ............................. 20
7.3 Check the water level in the heating circuit ........................ 21
7.4 Checking safety valves .................................... 21
7.5 In the event of leakage .................................... 22
7.6 Cleaning the filters for the heating and brine circuits .................. 22
8 Appendix ............................................... 24
8.1 Display symbol description ................................. 24
8.2 Calculating heat production ................................ 26
8.3 Heat curve ........................................... 26
8.4 Heating Settings ....................................... 29
8.5 Comfort settings ....................................... 30
9 Checklist ............................................... 31
10 Installation carried out by: .................................... 32
User Guide DHP-M
Danfoss Heating Solutions VUMIB102 3
1 Foreword
Buying a heat pump from Danfoss is an investment in a better future.
A Danfoss heat pump is classed as a renewable energy source, which means that it is considerate of our envi-
ronment. It is a safe and convenient solution that provides heating, hot water and, in certain cases, cooling for
your home at a low cost.
We thank you for the confidence that you have shown in us by buying a heat pump from Danfoss . We hope
that you will benefit from it for many, many years to come.
With best wishes
Danfoss heat pumps
User Guide DHP-M
VUMIB102 Danfoss Heating Solutions
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2 Safety precautions
2.1 Symbols in documents
The instructions contain different warning symbols, which, together with text, indicate to the user that there
are risks involved with actions to be taken.
The symbols are displayed to the left of the text and three different symbols are used to indicate the degree of
danger:
Danger Indicates an immediate danger that leads to
fatal or serious injury if necessary measures
are not taken.
Warning Risk of personal injury!
Indicates a possible danger that can lead to fa-
tal or serious injury if necessary measures are
not taken.
Caution Risk of installation damage.
Indicates a possible hazard that can lead to
item damage if necessary measures are not
taken.
A fourth symbol is used to give practical information or tips on how to perform a procedure.
N
Information regarding making the handling of
the installation easier or a possible operation-
al technical disadvantage.
2.2 Important information
Warning The front of the heat pump must only be
opened by qualified installers.
User Guide DHP-M
Danfoss Heating Solutions VUMIB102 5
Warning This appliance can be used by children aged 8
years and above, and by persons with reduced
physical, sensory or mental capabilities or lack
of experience or knowledge, provided that
they are supervised or have been instructed in
the safe use of the appliance and understand
the hazards involved.
Cleaning and user maintenance must not be
carried out by children, except under adult su-
pervision.
Warning Children are not permitted to play with the
product.
The system can be considered maintenance-free but certain checks are necessary.
Contact your installer for any service work.
2.3 Installation and maintenance
Warning Only qualified installers may install, operate
and carry out maintenance and repair work on
the heat pump
Warning Only qualified electricians may modify the
electrical installation.
Warning Only qualified refrigeration technicians may
work on the refrigerant circuit
User Guide DHP-M
VUMIB102 Danfoss Heating Solutions
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2.4 System modifications
Only qualified installers may carry out modifications on the following components:
▪The heat pump unit
▪The pipes for the refrigerant, brine and water
▪The power supply
▪The safety valves
It is not permitted to carry out construction installations that may affect the operational safety of the heat
pump.
2.5 Safety valves
Warning Never block the connection to the safety
valves' overflow pipes.
The following safety precautions apply to the hot water circuit’s safety valve with corresponding overflow pipe:
▪Water expands when it is heated, which means that a small amount of water is released from the system
via the overflow pipe.
▪The water that exits the overflow pipe can be hot!
Therefore, allow it to flow to a floor drain to prevent any risk of burning yourself.
User Guide DHP-M
Danfoss Heating Solutions VUMIB102 7
3 About your heat pump
3.1 Product description
The DHP-M heat pump is a heating system for heating and, if an external water heater is installed (accessory),
for hot water production. It has a compressor which is customised for heat pumps.
The DHP-M heat pump is equipped with control equipment which is presented in a graphic display. The control
equipment is also prepared for monitoring via the internet.
Heating is provided to the building via a water-borne heating system. The heat pump supplies as much of the
heat demand as possible before auxiliary heating is engaged to assist.
The DHP-M heating unit consists of two basic components:
Heat pump unit
The heat pump consists of:
▪Scroll compressor
▪Stainless steel heat exchanger
▪Circulation pumps for collector system and heating system
Control equipment
The control equipment controls the incoming components of the heating appliance (compressor, circulation
pumps, auxiliary heating and exchange valve) and keeps track of when the pump should start and stop, as well
as whether it should produce heating for the building or hot water.
The control equipment consists of:
▪Colour touch screen and relay module
▪Temperature sensors (outdoor, supply line, return line, brine and hot water)
3.2 Water heater
The DHP-M heat pump can also produce hot water for an external water heater. The temperature of the water
supplied to the water heater is controlled by the start and stop temperature.
User Guide DHP-M
VUMIB102 Danfoss Heating Solutions
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4 Control system
The heat pump has an integrated control system which automatically calculates the heat demand in the build-
ing to ensure that the correct amount of heat is produced and emitted when necessary.
A touch screen is connected to the control system.
The display is used for:
▪making settings such as:
▪setting heating
▪adjusting the heat curve
▪displaying operating data such as:
▪temperatures
▪operating time
▪version information
4.1 Display description
Start screen
The screen which appears when the system is up and running.
Here you can also carry out comfort adjustment:
1. Drag clockwise or anticlockwise to raise or lower the offset.
Each point represents an increase/decrease of 1°C.
2. Alternatively, press or
Menu screen
This screen appears when you have pressed on the start screen.
User Guide DHP-M
Danfoss Heating Solutions VUMIB102 9
Drop down view
There is a quick link, easy accessible, to view useful information about the heat pumps current status etc. Swipe
downwards from the top of the display, in any view, to access. The following screen appears:
Press
11:20
+2
5˚C
09/07/2015 13:15
at the bottom of the drop down view to hide the screen.
User Guide DHP-M
VUMIB102 Danfoss Heating Solutions
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