Danfoss DHP-M, User Manual

Page 1: ...MAKING MODERN LIVING POSSIBLE User Guide DHP M www heating danfoss com ...

Page 2: ...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 ...

Page 3: ...ivate 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...

Page 4: ...vi 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 4 ...

Page 5: ...ing 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 o...

Page 6: ...ept 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 mo...

Page 7: ...t 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 ...

Page 8: ...eat 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 produ...

Page 9: ...ting 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 sc...

Page 10: ... 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 10 ...

Page 11: ...factory pre set heat curve see Adjusting the Heat Curve The following examples are based on a heat curve set to 40 At an outdoor temperature of 0 C the supply temperature should be 40 C Note that this is only a benchmark There are radiator systems floor heating systems and other types of heating system which require either lower or higher temperatures At outdoor temperatures below 0 C supply line ...

Page 12: ...g the Curve indicator symbol 1 Press on the Start screen to open the Menu screen 2 Press 3 Press if the Heat curve is not shown 4 There are two ways of adjusting the heat curve If the Curve indicator 40 is lit press or to adjust the entire curve Or If the Curve indicator 40 is not lit individual points can be moved separately by pressing the desired individual point and pressing and to the desired...

Page 13: ... 1 or press to deactivate Distribution Circuit 1 5 Press to return to the Menu screen 5 5 Selecting operating mode N In order for space heating to be allowed to start the start limit for Seasonal integral needs to be fulfilled See the table for Operating data for values and ranges Set the heat pump to the desired operating mode in the menu 1 Press on the Start screen to open the Menu screen 2 Pres...

Page 14: ...or is off thus unable to produce any heating or tap water This button is only visible if auxiliary immersion heater s are installed in the system External auxiliary heater s can NOT produce hot tap water Operating mode On All activated functions are on Press to go to page 2 where functions can be activated deactivated temporarily See the example in the table below N The list below shows examples o...

Page 15: ...Symbol Description Operating mode Heat production Space heating is permitted Operating mode Hot tap water Hot tap water production is permitted User Guide DHP M Danfoss Heating Solutions VUMIB102 15 ...

Page 16: ...pper left corner of the Start screen 2 Press 3 Press text for desired distribution circuit 4 Page 1 Settings for max min supply temperature NOTE The distribution circuit settings can not exceed the values set in the main heat curve Confirm the settings with 5 Page 2 Settings for supply temperature at different outdoor temperatures NOTE The distribution circuit settings can not exceed the values se...

Page 17: ...oduction is permitted Supply line HP Shows temperature of outgoing radiator temperature from heat pump Return line HP Shows temperature of incoming radiator temperature to heat pump Brine in Shows the current temperature of brine in to the heat pump Brine out Shows the current temperature of brine out from the heat pump Seasonal integral Shows the accumulated difference between the outdoor tempera...

Page 18: ...s the factory settings The right column shows the settings made by the installer when the heat pump was installed Parameter Factory setting Any customer specific settings Heat curve 40 C Operating mode Off Min desired system supply temp 10 C Max desired system supply temp 55 C Seasonal stop 17 C User Guide DHP M VUMIB102 Danfoss Heating Solutions 18 ...

Page 19: ...enesis secondary heat pump s to primary heat pump The display shows a yellow screen saver Must be acknowledged Class E Alarm visible only in legacy primary secondary systems Information from legacy secondary heat pump s to primary heat pump The display shows a yellow screen saver Must be acknowledged If an A alarm is active the heat pump compressor is disabled and the hot water production will sto...

Page 20: ...alarm as described below Contact a service technician if the alarm reoccurs All other messag es Acknowledge the alarm as described below If the alarm remains or reoccurs contact a service technician Acknowledging alarms Press to reset all alarms Contact the installer if alarms are persisting and or reoccurring 7 2 Checking the brine circuit pressure The brine circuit must be filled with the correc...

Page 21: ...afety valves for the installation must be checked at least four times a year to prevent lime deposits clog ging the mechanism The safety valve of the water tank protects the enclosed heater against over pressure It is mounted on the cold water inlet line If the safety valve is not checked regularly there is a risk that the water tank may sustain dam age It is quite normal for the safety valve to l...

Page 22: ...ow to perform the filter cleaning N The heat pump must be switched off at the main switch before cleaning can be started N The cleaning of filters may cause air ingress to the brine or heating system that may cause operational disturbances N Check and clean the filters at least twice the first year after installation The interval can be extended if there is evidence that cleaning twice a year is n...

Page 23: ...crew the cover B and remove it 5 Remove the filter 6 Rinse the filter C 7 Reinstall the filter 8 Check that the O ring D on the cover is not damaged 9 Screw the cover back into place 10 Turn the shut off tap to the open position 11 For the brine circuit filter reinstall the insulation around the filler cock 12 Start the heat pump User Guide DHP M Danfoss Heating Solutions VUMIB102 23 ...

Page 24: ...lass B alarms Press on the symbol to go to the alarm window Select operating mode Press on the symbol to select operating mode A new window opens for selection of op erating mode Operating data Opens a number of sub menus which show current operating data such as Outdoor temperature etc Factory reset Resets values on the current menu page to factory values Settings Opens a number of sub menus such...

Page 25: ...p of the display when the heat pump has no heating cooling or hot water demand Internet connection Visible in the top of the display when the heat pump has an inter net connection Network connection Visible in the top of the display when the heat pump has a network connection Pool heating mode Visible in the top of the display when the heat pump is in pool heat ing mode Space heating mode Visible ...

Page 26: ...tdoor temperature of 0 C Fig 3 Heat curve 40 The factory settings for the heat curve before adjustment is 40 This setting is suitable for many heating sys tems with radiators but generally unsuitable for systems with floor heating For systems with underfloor heat ing a standard heat curve setting is 30 Combination systems with both underfloor heating and radiators may need different heat curves Th...

Page 27: ...rve indicator 40 is lit the curve is moved as one unit and the slope of the curve is adjusted The simplified working principle for this is as follows 20 0 20 24 40 56 2 3 1 1 Desired system supply temperature C 2 Maximum setpoint value 3 Outdoor temperature C If the curve is moved upwards the heat curve will become steeper and if the curve is moved downwards it will become flatter The most energy ...

Page 28: ...w is inactive Press on the symbol to open heat curve settings Shows that the heat curve window is active This window is the default win dow Shows that the heating settings window is inactive Press on the symbol to open heating settings Shows that the heating settings window is active Press to reset the heat curve to the factory settings 40 When the curve indicator is lit press or to move whole cur...

Page 29: ...rature if the temperature for seasonal stop has been reached and the heat pump has stopped Adjusting the minimum and maximum supply temperatures is particularly important if your home has under floor heating If your house has underfloor heating and parquet floors the supply line temperature must not exceed 45 C Otherwise the floor might get damaged If you have under floor heating and stone tiles t...

Page 30: ...f a larger change than 3 steps on the comfort wheel is required to obtain the desired indoor temperature or corrective adjustments are needed at different outdoor temperatures the more advanced heating settings may need adjustments See the Heating Settings chapter in this Appendix for details Please note that lowering the comfort adjustments too low may cause very low indoor temperatures Also be a...

Page 31: ... Commissioning Bleeding hot and cold side Settings control system Manual test components Manual test different operating conditions Noise check Function test safety valves Function test mixer valve Trimming the heating system ___ C Fill in the measured freezing point of the collector circuit s brine fluid Customer information Contents of this manual Safety precautions Controller function Settings ...

Page 32: ...ation carried out by Piping installation Date Company Name Tel No Electrical Installation Date Company Name Tel No System adjustment Date Company Name Tel No User Guide DHP M VUMIB102 Danfoss Heating Solutions 32 ...

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Page 36: ...ves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss Heating Solutions and the Danfoss Heating Solutions logotype are trademarks of Danfoss A S All righ...