User manual DHP-Eco S
Contents
1. MAX CURRENT is shown between brack ets User manual VUIFM102 23 4 1 5 Sub menu OPERAT TIME Table9 Used to show the operating time for each component Time given in hours Menu Meaning Factory selection setting HEAT PUMP Compressor operating time for both heating and hot water production AUX HEATER Operating time of auxiliary heater HOT WATER Operating time for hot water with compressor 4 1 6 Sub menu LANGUAGE Table 10 Used to set the language of the menu system Menu selection SVENSKA ENGLISH DEUTSCH NEDERLANDS FRANCAIS ESPANOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI CESTINA 24 User manual VUIFM102 5 1 Troubleshooting Alarm In event of alarm this is indicated in the display with the text ALARM and an alarm message see following table For alarms that are not reset auto matically acknowledgement is required Acknowledge the alarm by set ting the heat pump to operating mode OFF Message Meaning HIGH PRESSURE ERROR Tripped high pressure switch Compressor stopped LOW PRESSURE ERROR Tripped low pressure switch Compressor stopped MOTOR P ERROR Deployed overload relay Overcurrent relay compressor or deployed overload relay for outdoor unit fan Com pressor stopped OUTDOOR SENSOR Fault in outside sensor When the control system calcu lates the heat demand z2. The water temperature of the hot water tank is controlled by the control switch and cannot be adjusted Hot water production stops when the control switch reaches its maximum operating pressure Room sensor option The heat pump system can be equipped with a room sensor as an option Only authorised electricians may carry out the installation See wiring diagram for connections 8 User manual VUIFM102 3 1 3 1 1 Operating instructions Control panel Function description The heat pump has an integrated control system which automatically cal culates the heat demand in the house to ensure that the correct amount of heat is produced and emitted where necessary There are many differ ent values parameters which are required in order to do the calculation of the heat demand During installation and service the control panel is used to set and change values that have to be adapted according to the house demand The con trol panel is integrated into the front of the heat pump and consists of a display a keypad and an indicator In the display a simple menu system is used to navigate the desired settings and values During operation the User manual VUIFM102 9 display always shows the set ROOM value the operating mode and the status of the heat pump ROOM NO HEAT DEMAND OPERAT AUTO Figure2 Display keypad and indicator 2n9C Position Description 1 The display text and symbols are
3. difference 0 C RESIS Expan between the desired charge value adjustable and range 5 C sion card actual value to the pool sensor Pool hysteresis 40 C does not affect the integral value User manual VUIFM102 21 4 1 3 Sub menu HEAT CURVE 2 Only appears if shunt group sensor is connected and activated in menu SERVICE INSTALLATION SYSTEM SHUNT GROUP Table7 Used to change settings for heat curve 2 Menu Meaning Factory selection setting CURVE 2 Calculated shunt group temperature at 0 C out 40 C door temperature Shown as a graphic curve The range curve will be limited by the set values of MIN and 22 C 56 C MAX MIN Minimum permitted shunt group temperature if 10 C the temperature for heat stop has not been range reached 10 C 50 C MAX Maximum permitted shunt group temperature 55 C range 15 C 70 C 4 1 4 Sub menu TEMPERATURE The history of different temperature measurements can be viewed by pressing the right arrow key The graph shows the last 60 measurement points for the set time interval SERVICE gt INSTALLATION gt LOG TIME In the event of an alarm history stops being logged until the alarm is reset by changing the operating mode to OFF Table8 Used to indicate the prevailing temperatures history and set cal culated values Menu Meaning Factory set selection ting OUTD Shows the actual outdoor temperat
4. only shown as examples Certain symbols cannot be displayed at the same time 2 Keypad Plus sign used to scroll up a menu or increase the values Minus sign used to scroll down a menu or reduce the values Right arrow used to select a value or open a menu Left arrow to cancel selection or exit a menu 3 Indicator The control system is operated via a user friendly menu system which is shown in the display Use the keypad s four navigation symbols to navi gate the menus and increase or reduce the set values The INFORMATION menu is opened by pressing the left or right buttons The INFORMATION menu has a number of sub menus see Menyinforma tion 10 User manual VUIFM102 For installation and service the SERVICE menu is used which is opened by pressing the left button for five seconds The SERVICE menu has a number of sub menus see Menu information The INFORMATION and SERVICE menus are intended for two categories of user customers and installers Customers may only open the INFOR MATION menu with a limited number of settings Installers haveto be able to change many settings in the control settings The SERVICE menu is therefore hidden from the customers eran Bl ms Ba f Figure3 The menus are reached by pressing different buttons Position Description 1 Information menu Press the left or right buttons 2 Service menu Press and hold the left button for at
5. outdoor ne temperature must drop 3 C below this setting before the heat pump resumes the heating cycle REDUCTION Only appears if the tariff control function has been 2 C activated Lowering set room temperature Active when a 10 kO connection is placed across the EVU input connections 20 User manual VUIFM102 range 1 C 10 C Menu Meaning Factory selection setting TANK TEMP Displayed if buffer tank is active Charges the buf AUTO fer tank to the set temperature AUTO setting range charges the tank to the supply line setpoint value 30 C 55 C OVER Displayed if the buffer tank is active and TANK 0 C CHARGE TEMP is set to AUTO Charges the buffer tankto range 0 C supply line setpoint value the value of OVER 5 C CHARGE ROOM FAC Only displayed if an accessory Room temperature 2 TOR sensor is installed range 0 4 A E 0 no Determines how great an impact the room tem impact perature is to have when calculating the supply Ae ven large temperature For under floor heating it is recom geet 9 mended that ROOM FACTOR is set to 1 2 or 3 For radiator heating it is recommended that ROOM FACTOR is set to 2 3 or 4 POOL Only appears if POOL is selected The temperature 20 C Expansion in the pool is controlled by a separate sensor range 5 C card regardless of the heating and hot water system 40 C POOL HYSTE Only appears if POOL is selected The
6. the brine system Checking the water level in the heating system The line pressure of the installation must be checked once a month Ensure that heating system has the necessary pressure however not above max imum pressure of 6 bar You can use normal tap water when topping up the heating system In certain exceptional cases the water quality may be so poor for example very hard water that it is not suitable for filling the heating system If unsure contact your installer Do not use any additives for water treatmentin the heating system s water Checking safety valves Both the safety valves for the heating system must be checked at least four times a year to prevent lime deposits clogging the mechanism The safety valve of the water tank protects the enclosed heater against over pressure in the water tank It is mounted on the cold water inlet line its outlet opening facing downwards If the safety valve is not checked User manual VUIFM102 15 3 5 regularly the water tank might be damaged It is quite normal that the safety valve lets out small amounts of water when the water tank is being charged especially if a lot of hot water was used previously Both safety valves can be checked by turning the cap a quarter of a turn clockwise until the valve lets out some water through the overflow pipe If a safety valve does not work properly it must be replaced Contact your installer The opening pressure of the safety
7. SUPPLY LINE RETURN LINE BUFFER TANK must be activated HOT WATER must be activated INTEGRAL BRINE IN BRINE OUT POOL expansion card COOLING SHUNT GROUP must be activated 2ND HEAT CIR CURRENT expansion card OPERAT TIME HEAT PUMP AUX HEAT 1 AUX HEAT 2 AUX HEAT 3 HOT WATER must be activated COOLING ACT COOLING LANGUAGE SVENSKA ENGLISH DEUTSCH NEDERLANDS FRANCIS ESPANOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI CESTINA 18 User manual VUIFM102 4 1 1 Sub menu OPERAT Table5 Used to select operating mode Menu Meaning Factory selection setting 5 OFF The installation is fully switched off This mode is also used to acknowledge certain alarms CANCEL starting point no changes made To select OFF as operating mode press the minus sign once to scroll down one step and press the right arrow once AUTO Automatic operation with both heat pump and auxiliary heater permitted If the number of power stages for auxiliary heating are set to zero SERVICE AUX HEATER MAX STEP only AUTO or OFF can be selected as operating mode HEAT PUMP Operation with only heat pump permitted Note No peak heating charging anti legionella function with only heat pump operation AUX Operation with only auxiliary heater permitted HEATER HOT WATER Operation with heat pump for hot water produc tion and auxi
8. User manual DHP S Cam VUIFM102 If these instructions are not followed during installation and service Danfoss A Sliability according to the applicable warranty is not binding Danfoss A S retains the right to make changes to components and specifi cations without prior notice O 2010 Copyright Danfoss A S TheSwedish languageis usedforthe original instructions Other languages are a transla tion of original instructions Directive 2006 42 EG Contents 1 Important information 1 1 Safety precautions 4 1 2 Protection 2 About your heat p lmp erri esi tiere nee cairia e RC EEEE 6 2 1 Product descripti nis ce ett tette ed a na 6 22 The principles of the heat PUMP ssescscssssscccssesccssseccccsseeecsssceccssseecesusececsneccecsuscesesuseecesnsecscenecesssues 6 23 Hot water tank option 24 Room sensor option 3 Operating instructions 9 3 1 Control panel 32 Checking the coolant circuit PreSSUle sssecscssseccessseccecsssescecsssecccssnsecesssnsececensseeessnseceesnnseeessnees 14 3 3 Checking the water level in the heating SySteM ssssssssscccssesccsnsececsneccessseceesneccessneeeeeneeeecsaes 15 3 4 Checking safety valves 3 5 In the event of leakage 4 Menu information 4 1 INFORMATION menu 5 Troubleshootilig rre prod doa Ee REM cn po ida 25 51 PVA Thess PE AVR RR A DN DR NR peli 25 Terms and abbreviations cccsssscsecssssssseesssscssecssssssssesss
9. cssscsssssssscssscsssscsssccssscsssccescessccssecesscesseeeses 26 References uode Re S ERN ere a ndn 28 VUIFM102 1 Important information Note If the installation is not used during the winter the heating system must be drained of water otherwise there is a risk of frost damage to the installation The system can be considered maintenance free but certain checks are necessary Before changing the control computer s settings first find out what these changes mean Contact your installer for any service work Caution This apparatus is not intended for persons including children with reduced physical sensory or psychological capacity or who do not have knowledge or experience unless supervised or they have received instructions on how the apparatus functions from a safety qualified person User manual VUIFM102 3 1 1 Safety precautions 1 1 1 Installation and maintenance DANGER Only authorized installers may install operate and carry out maintenance and repair work on the heat pump DANGER Only authorized electricians may modify the electrical installation DANGER DANGER TO LIFE Only authorized refrigeration technicians may work on the refrigerant circuit 1 1 2 System modifications Only authorized installers may carry out modifications on the following components e The heat pump unit e The pipes for the refrigerant brine water and power The safety valve Do not carry out constru
10. ction installations that may affect the operational safety of the heat pump 1 1 3 Safety valve The following safety precautions apply to the hot water circuit s safety valve with corresponding overflow pipe e Never block the connection to the safety valve s overflow pipe e Water expands when it is heated this 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 where there is no risk of burning yourself 4 User manual VUIFM102 1 2 Protection 1 2 1 Corrosion Protection Due to the risk of corrosion avoid using different types of sprays in the vicinity of the heat pump This particularly applies to e Solvents e Chlorinated cleaning agents Paints e Adhesives User manual VUIFM102 5 2 1 2 2 About your heat pump Product description The heat pump is a heating system for heating and hot water if an external water heater is installed accessory It has a compressor developed solely for heat pumps The heat pump is equipped with control equipment which is presented in a graphical display The control equipment is also prepared for moni toring via the internet Heat enters the house via a water borne heating system The heat pump supplies as much of the heat demand as possible before auxiliary heating is engaged and assists Additional heater is an accessory The heat pump heati
11. ero degrees is used SUPPLY LINE SEN SOR Supply line sensor error Everything stops except the heating system s circulation pump RETURN LINE SEN SOR Return sensor fault Return temperature Supply line 5 is used Calculated supply temperature limited to maxi mum 45 C HOT WATER SENSOR Fault on sensor for start temperature No hot water pro duction ERR PHASE SEQ Alarm that indicates that there is an incorrect phase sequence to the compressor Only display and only the first 10 minutes HIGH RETURN Alarm that indicates that high return temperature pre vents the compressor s operation BRINEFLOW LOW The flow sensor produces an alarm when the ambient temperature of the brine circuit becomes too low In event of alarm the heat pump will if possible supply heating to the house primarily with the compressor secondarily with the additional heater Hot water will stop to indicate that something noteworthy has occurred User manual VUIFM102 25 6 Terms and abbreviations Table 11 Terms and abbreviations Term Explanation Evaporator In the evaporator energy is retreived from the heat source and the refrigerant passing through the evaporator turns to gas De superheater In the de superheater part of the total heating output is released approx 1596 A higher temperature than the normal condensation temperature can found here Integral INTEGRAL is the
12. heating system s energy balance Heat generation is controlled by a calculated requirement This value is determined by comparing the actual supply tem perature with its calculated supply temperature The dif ference between the temperatures is added over time The resulting value is referred to as the integral The inte gral is calculated automatically The value of the integral can be viewed in the display under the sub menu TEM PERATURE Compressor The compressor raises the temperature and pressure of the refrigerant Condenser In the condenser the refrigerant supplies its heat energy to the heat transfer fluid circuit Curve The CURVE value is set via the display The set value is the calculated set point value of the flow line at outdoor tem perature of 0 C Brine Is a water based mixture that transports energy from the heat source to the heat pump Brine circuit Thefluid circuit transports energy from the heat source to the heat pump Refrigerant circuit Is the circuit in the heat pump that through evaporation compression and condensation takes energy from the brinecircuitand suppliesitto the heattransferfluid circuit Refrigerant Is the fluid that transports heat from the brine circuit and supplies it to the heat transfer fluid circuit Radiator Heater element element 26 User manual VUIFM102 Term Explanation Control computer The control com
13. least five seconds The indicator at the bottom of the control panel has three modes e Not lit means that the heat pump is not powered e When the light shines continuously the heat pump has power and is ready to produce heat or hot water Flashing means an active alarm Caution During a service that consists of replacing the display card all heat pump settings are reset to factory settings Therefore note current settings before replacement User manual VUIFM102 11 3 1 2 3 1 2 1 Display The display shows information about the heat pump s operation status and any alarms in text form Operating mode and status indicated by symbols are also shown in the lower part which shows the heat pump s active processes Note To change the display language press the following sequence of buttons right arrow arrow down to bottom menu arrow right scroll between languages using or Then select language using right arrow Operating modes Table 1 Shows the set operating mode of the heat pump Operating Meaning mode m 5 OFF The installation is fully switched off This mode is also used to acknowledge certain alarms Caution If the operating mode OFF is to be used for long periods during the winter the water in the heating system in the heating system must be drained otherwise there is a risk of frost damage AUTO The heat pump and the auxiliary heater are automatically controlled b
14. liary heater during peak heating charging anti legionella function MANUAL Only displayed when the value for MANUAL TEST TEST is set to 2 in The SERVICE menu Outputs that control compo nents are activated manually User manual VUIFM102 19 4 1 2 Sub menu HEAT CURVE Table6 Used to change settings for the heat curve Menu Meaning Factory selection setting CURVE Calculated supply temperature at 0 C outdoor 40 C temperature Shown as a graphic curve The curve for under will be limited by the set values of MIN and MAX floor heating 30 C range 22 C 56 C MIN Minimum permitted supply temperature if the 10 C temperature for heat stop has been reached and range the heat pump has stopped 10 C 50 C MAX Maximum calculated setpoint value of the supply 55 C temperature for under floor heating 45 C range 40 C 85 C CURVE 5 Local increase or reduction of CURVE at an outdoor 0 C temperature of 5 C Shown in the graph for range 5 C CURVE 5 C CURVE O Local increase or reduction of CURVE at an outdoor 0 C temperature of 0 C Shown in the graph for CURVE range 5 C 5 C CURVE 5 Local increase or reduction of CURVE at an outdoor 0 C range temperature of 5 C Shown in the graph for 5 C 5 C CURVE HEAT STOP Maximum outdoor temperature when heat pro 17 C duction is permitted range 0 C If the heat stop has been activated the
15. ng heated a few degrees e Refrigerant circuit 7 is a circuit in the heat pump that through evaporation compression and condensation takes energy from the brine circuit and supplies itto the heat transfer fluid circuit The refrig erant is chlorine free User manual VUIFM102 7 2 3 2 4 Heat transfer fluid circuit 8 is the water that transports the heat energy to the heating system and the hot water tank Hot gas circuit is a high temperature circuit for the hot water circuit s final heater If the heat pump is not connected to any water heaters the hot gas circuit does not need to be connected The brine circuit 1 evaporates the refrigerant in the evaporator 2 using heat from lake ground or rock The refrigerant is turned to gas The refrigerant passes the compressor 3 where the pressure and temperature are raised The refrigerant then continues to the de superheater 4 Here a small high temperature output is used for example to top up the hot water temperature The heat transfer fluid circuit hot gas circuit condenses refrigerant to liquid form in the condensor 5 by giving off heat to the house and hot water The refrigerant then passes through the expansion valve 6 where the pressure and temperature drop and converts the refrigerant from liquid to liquid and gas The process then starts again Hot water tank option The heat pump can also produce hot water for an external water heater
16. ng system consists of two basic units Heat pump unit e Control equipment The heat pump unit consists of the following components e Scroll compressor e Stainless steel heat exchanger condenser evaporator and de super heater Circulation pumps for collector and heating system The control equipment controls the components included in the heating installation compressor circulation pumps and exchange valve and determines when to start and stop the pump as well as producing heat for the house or hot water If the additional heat accessory is installed the additional heating is controlled by the control equipment The control equipment unit consists of the following components e Control computer as well as operator s panel with graphical display Temperature sensors outdoor supply line return line and hot water e Room sensor option The principles of the heat pump A heat pump utilises the energy found in a natural heat source Simply put it obtains energy in the form of heat from a heat source 6 User manual VUIFM102 The heat pump is therefore a very environmentally friendly and eco nomical way of heating a house Figure 1 The principles of the heat pump The heat pump has four separate fluid circuits Brinecircuit 1 isafluid brine filled hose lowered into a lake buried in the ground or lowered into bedrock The brine obtains energy from the surroundings by the fluid temperature in the hose bei
17. puter controls the entire heating instal lation All settings are stored and the history of the instal lation is registered here The control computer s settings can be changed via the display Room Heat transfer fluid circuit If ROOM shows 20 C the heat curve is unaffected If ROOM shows higher or lower this indicates that the heat curve has been adjusted up or down to change the indoor tem perature The heat transfer fluid circuit obtains heat energy from the refrigerant circuit which it then transports to the water tank or heating system Heat curve The control computer determines the correct tempera ture of the water to be distributed to the heating system based on the heat curve The indoor temperature is adjus ted by changing the gradient of the heating system s CURVE User manual VUIFM102 27 7 References Piping installation Date O tada ia dea Company SRR Name ueedasessenimeeen tiens Tel NO ss gt sander ee ede Electrical Installation DE je Company iranianas aiii add Name uundd seevenedsee e be eiie ens T l NOz ea a Rn System adjustment Dat NRE ON E Company uoseeneeseiiiciiste tareis tabon ris end Name 0 naa a aA 28 User manual VUIFM102 System adjustment ENO AXwheeenece itia ade User manual VUIFM102 29 VUIFM102
18. r that the pressure pipe temperature has reached its maximum temperature User manual VUIFM102 13 3 1 2 3 Operational information Table3 Shows information about the heat pump Message Meaning ROOM Shows the set ROOM value Standard value 20 C If the accessory room sensor is installed it Shows the actual temperature and the desired indoor temperature is shown within brackets START Indicates that there is a need for heat production and that the heat pump will start EVU STOP Indicates that the additional function EVU is active This means that the heat pump is off as long as EVU is active NOHEATDEMAND Indicates that there is no heating production demand HEAT PUMP START Indicates that there is a heating production demand and XX will start in XX number of minutes HEAT PUMP AUX Indicates that heat production is active with both com HEAT pressor and auxiliary heater AUX HEATER Indicates that there is an auxiliary heater demand 3 2 Checking the coolant circuit pressure The brine circuit must be filled with the correct amount of fluid otherwise the installation may become damaged Ensure that system has the necessary pressure however not above max imum pressure of 6 bar 14 User manual VUIFM102 3 3 3 4 See the installation instructions when filling brine Symbol explanation 1 Used when filling 2 Connected to brine circuit T Figure 4 Filling
19. ure ROOM Shows the actual set temperature SYSTEM Displays system supply temperature at the buffer SUPPLY tank system 22 User manual VUIFM102 Menu Meaning Factory set selection ting SUPPLY Shows the actual supply temperature The calcu LINE lated supply temperature to the heating system group is within brackets During hot water production in operating mode AUX HEATER the value for HOT WATER STOP 10 is shown within brackets RETURN Shows the actual return temperature The stop LINE temperature MAX RETURN is within brackets BUFFER Indicates the buffer tank temperature TANK HOT WATER Shows the actual hot water temperature INTEGRAL Shows the actual calculated value for integral REFR1 Shows the actual temperature of refrigerant sen sor 1 REFR 2 Shows the actual temperature of refrigerant sen sor 2 POOL Only appears if POOL is selected Shows the actual Expansion pool temperature card The set pool temperature is shown in brackets SHUNT Only appears if SHUNT GROUP is selected Shows GROUP the actual supply temperature The calculated supply temperature to the shunt group is within brackets 2ND HEAT Shows the temperature of the second heating cir CIR cuit if installed by the buffer tank system CURRENT Only appears if CURRENT LIMITER is selected Expansion Shows the actual current consumption The set card value for
20. valves is not adjustable In the event of leakage In the event of leakage in the hot water pipes between the unit and water taps close the shut off valve on the cold water inlet immediately Contact your installer see References Page 28 In the event of leakage in the brine circuit turn off the heat pump and call your installer immediately see References Page 28 16 User manual VUIFM102 4 1 Menu information INFORMATION menu Open the menu by pressing the left or right button The menu also shows history and operating times Menus in italics are only visible if the expansion card accessory is instal led Table4 Used to change the heat pump s operating modes and to adjust the heat curve Menu Sub menu Sub menu Sub menu INFORMATION OPERAT CANCEL AUTO HEAT PUMP AUX HEATER must be activated HOT WATER must be activated MANUAL TEST HEAT CURVE CURVE MIN MAX CURVE 5 CURVE 0 CURVE 5 HEAT STOP REDUCTION TANK TEMP if buffer tank is activated OVERCHARGE if buffer tank is activated ROOM FACTOR if a room sensor is installed POOL expansion card POOL HYSTERESIS expansion card HEAT CURVE 2 if shunt group is activated User manual VUIFM102 17 Menu Sub menu Sub menu Sub menu TEMPERATURE CURVE MIN MAX OUTDOOR ROOM if a room sensor is installed SYSTEM SUPPLY if buffer tank is activated
21. y the control system HEAT PUMP The control system is controlled so that only the heat pump unit compressor is allowed to operate In this operating mode peak heating charging anti legionella function of the hot water will not run because the auxiliary heater is not used 12 User manual VUIFM102 Operating Meaning mode AUX HEATER The control system only permits the auxiliary heater to be in operation HOT WATER In this mode the heat pump only produces hot water no heat goes to the heating system 3 1 2 2 Symbols Table 2 Symbols shown in the display Symbol Meaning HP Indicates that the compressor is in operation 4 LIGHT Indicates that the auxiliary heater is in operation The number 7 NING indicates what additional step is activated HOUS Indicates that the heat pump produces heat for the heating sys l JE tem z TAP Indicates that the heat pump produces heat for the water heater F FLOW An F indicates that a flow sensor is installed SEN SOR D CLOC Indicates that tariff control is active K ma TANK Indicates the level of hot water in the water heater When hot water is produced for the water heater this is indicated by a flashing icon for the tank A lightning symbol by the symbol indicates peak heating charging anti legionella function SQUA 0 RE Either indicates that the operating pressure switch has deployed o
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