Danfoss DHP-S 7Ua User Manual Download Page 31 | Manualshive

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System adjustment

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User manual

VUIFM102

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Summary of Contents for DHP-S 7Ua

Page 1: ...User manual DHP S DP VUIFM102 ...

Page 2: ... to the applicable warranty is not binding Danfoss A S retains the right to make changes to components and specifi cations without prior notice 2010 Copyright Danfoss A S TheSwedishlanguageisusedfortheoriginal instructions Other languages are a transla tion of original instructions Directive 2006 42 EG ...

Page 3: ...tank option 8 2 4 Room sensor option 8 3 Operating instructions 9 3 1 Control panel 9 3 2 Checking the coolant circuit pressure 14 3 3 Checking the water level in the heating system 15 3 4 Checking safety valves 15 3 5 In the event of leakage 16 4 Menu information 17 4 1 INFORMATION menu 17 5 Troubleshooting 25 5 1 Alarm 25 6 Terms and abbreviations 26 7 References 28 VUIFM102 1 ...

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Page 5: ... 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 ...

Page 6: ... heat pump unit The pipes for the refrigerant brine water and power The safety valve Do not carry out construction 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 Never block the connection to the safety valve s overflow pipe Water expands when it...

Page 7: ...rrosion Protection Due to the risk of corrosion avoid using different types of sprays in the vicinity of the heat pump This particularly applies to Solvents Chlorinated cleaning agents Paints Adhesives User manual VUIFM102 5 ...

Page 8: ...ng components Scroll compressor 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 additio...

Page 9: ... filledhoseloweredintoalake buried in the ground or lowered into bedrock The brine obtains energy from the surroundings by the fluid temperature in the hose being heated a few degrees Refrigerant circuit 7 is a circuit in the heat pump that through evaporation compression and condensation takes energy from the brine circuit and supplies it to the heat transfer fluid circuit The refrig erant is chl...

Page 10: ...up the hot water temperature 4 Theheattransferfluidcircuit hotgascircuit condensesrefrigerant to liquid form in the condensor 5 by giving off heat to the house and hot water 5 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 2 3 Hot water tank option The heat pu...

Page 11: ...y differ ent values parameters which are required in order to do the calculation of the heat demand Duringinstallationandservice thecontrolpanelisusedtosetandchange 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 t...

Page 12: ...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 INFORM...

Page 13: ... the customers 1 2 Figure 3 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 least five seconds The indicator at the bottom of the control panel has three modes Not lit means that the heat pump is not powered When the light shines continuously the heat pump has power and ...

Page 14: ...mode of the heat pump Operating mode Meaning 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 co...

Page 15: ... E Indicates that the heat pump produces heat for the heating sys tem TAP Indicatesthattheheatpumpproducesheatforthewaterheater F FLOW SEN SOR An F indicates that a flow sensor is installed CLOC K Indicates that tariff control is active 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 light...

Page 16: ...pump is off as long as EVU is active NO HEAT DEMAND Indicates that there is no heating production demand HEAT PUMP START XX Indicates that there is a heating production demand and will start in XX number of minutes HEAT PUMP AUX HEAT Indicates that heat production is active with both com pressor and auxiliary heater AUX HEATER Indicates that there is an auxiliary heater demand 3 2 Checking the coo...

Page 17: ...in 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 Donotuseanyadditivesforwatertreatmentintheheatingsystem swater 3 4 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...

Page 18: ...ugh the overflow pipe If a safety valve does not work properly it must be replaced Contact your installer The opening pressure of the safety valves is not adjustable 3 5 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 leak...

Page 19: ...nd to adjust the heat curve Menu Sub menu Sub menu Sub menu INFORMATION OPERAT Ø CANCEL Ø 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 ex...

Page 20: ...ivated 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 FRANÇIS ESPAÑOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI ČEŠTINA 18 User manual VUIFM102 ...

Page 21: ...number of power stagesforauxiliaryheatingaresettozero 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 HEATER Operation with only auxiliary heater permitted HOT WATER Operation with heat pump for hot water produc tion and auxiliary...

Page 22: ...increaseorreductionofCURVEatanoutdoor temperature of 5 C Shown in the graph for CURVE 0 C range 5 C 5 C CURVE 0 LocalincreaseorreductionofCURVEatanoutdoor temperatureof0 C ShowninthegraphforCURVE 0 C range 5 C 5 C CURVE 5 LocalincreaseorreductionofCURVEatanoutdoor temperature of 5 C Shown in the graph for CURVE 0 C range 5 C 5 C HEAT STOP Maximum outdoor temperature when heat pro duction is permit...

Page 23: ...t the room tem perature is to have when calculating the supply temperature For under floor heating it is recom 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 2 range 0 4 0 no impact 4 verylarge impact POOL Expansion card Only appears if POOL is selected The temperature in the pool is controlled by a separate sensor regardless o...

Page 24: ... 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 INSTALLATION LOG TIME In the event of an alarm history stops being logged until the alarm is reset by changing the operatin...

Page 25: ...alue for integral REFR 1 Shows the actual temperature of refrigerant sen sor 1 REFR 2 Shows the actual temperature of refrigerant sen sor 2 POOL Expansion card OnlyappearsifPOOLisselected Showstheactual pool temperature The set pool temperature is shown in brackets SHUNT GROUP Only appears if SHUNT GROUP is selected Shows the actual supply temperature The calculated supply temperature to the shunt...

Page 26: ...rating 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 FRANÇAIS ESPAÑOL ITALIANO NORSK DANSK SUOMI EESTI POLSKI ČEŠTINA 24 User manual VUIFM102 ...

Page 27: ...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 compresso...

Page 28: ...he 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 perat...

Page 29: ...his indicates that the heat curve has been adjusted up or down to change the indoor tem perature Heat transfer fluid circuit 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...

Page 30: ...7 References Piping installation Date Company Name Tel No Electrical Installation Date Company Name Tel No System adjustment Date Company Name 28 User manual VUIFM102 ...

Page 31: ...System adjustment Tel No User manual VUIFM102 29 ...

Page 32: ...VUIFM102 ...

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