Danfoss DHP-AQ Commissioning Manual Download | Manualshive

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MAKING MODERN LIVING POSSIBLE

Commissioning

DHP-AQ

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Summary of Contents for DHP-AQ

Page 1: ...www heating danfoss com MAKING MODERN LIVING POSSIBLE Commissioning DHP AQ ...

Page 2: ...ranty if these instructions are not adhered to during installation or service 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: ...um circulation variable speed pump 10 4 5 Set hot water start temperature and activate hot water 11 4 6 Activate the electric auxiliary heater in DHP AQ Midi and DHP AQ Maxi 11 4 7 Activate electrical auxiliary heater in DHP AQ Mini 13 4 8 Activate active cooling 13 4 9 Distribution circuits 14 5 Manual test 15 6 Starting up 20 7 Tuning the system 23 8 Installation protocol and customer info 26 9 ...

Page 4: ...sks involved with ac tions 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 fatal or serious injury if necessary measures are not...

Page 5: ...r 54 Hot water sensor 55 Hot water top sensor 71 Flow guard 353 Drip tray 362 Shunt valve 406 or 62 Room sensor 408 EVU 417 Defrost sensor 1 2 3 Pipe connections Tap water Heating system Brine system Defrosting tank Expansion tank with safety valve brine Air bleeding Temperature and pressure relief valve Outdoor unit Water heater Commissioning Danfoss Heating Solutions VIGFH102 5 ...

Page 6: ...opcock B Cover C Strainer D O ring Warning In order to secure the defrosting of the outdoor unit a minimum amount of water must be contained in the heating system This is shown in the table below If the heating system itself holds the amount of water described in the table a volume tank is not needed but recommended Volume tank table Unit 6 kW 9 kW 11 kW 13 kW 16 kW 18 kW Min water volume in heati...

Page 7: ...W additional heater 13 Heat pump with 6 kW additional heater 14 Heat pump with 9 kW additional heater 15 12 kW additional heater Compressor off Power step 4 16 15 kW additional heater Compressor off Power step 5 17 Heat pump with 3 kW additional heater 18 Heat pump with 6 kW additional heater 19 Heat pump with 9 kW additional heater Positioning of the outdoor sensor H 2 3 x H Recommended location ...

Page 8: ...rs 4 Bleed the outdoor unit See figure 3 5 Refill the heating system to a pressure of 1 bar 6 Repeat the procedure until all air has been removed 7 Check the system for leakage Leave all radiator valves fully open To bleed the out door unit remove the lower front hatch and right hand side cover atec 043 T25 Fig 2 Remove front hatch and side cover atec 042 Fig 3 Bleed the outdoor unit Commissioning...

Page 9: ...ter the LANGUAGE menu Use or buttons to navigate to desired language Press right arrow to chose language An asterisk will appear next to chosen language Press left arrow twice to exit the Information Menu 4 2 Heat pump size settings The following settings are made in the Service Menu To enter the Service Menu press and hold left arrow for at least 5 seconds Use or to move up and down in the menu S...

Page 10: ...hosen An asterisk will appear to confirm the setting To exit factory setting press left arrow 5 times to enter service menu 4 4 Activation of optimum circulation variable speed pump Optimum pump is factory installed in DHP AQ Midi and DHP AQ Maxi The OPTIMUM option is however not activated from factory If fixed speed circulation pump is used may be the case for DHP AQ Mini then skip this setting T...

Page 11: ...and DHP AQ Maxi If the heat demand is greater than the heat pump s compressor capacity the immersion heater engages automatically in operating mode AUTO DHP AQ Midi and DHP AQ Maxi has three outputs IMM HEAT 1 IMM HEAT 2 and IMM HEAT 3 and output can be control led in five steps The two power steps step 4 and step 5 for DHP AQ Midi and DHP AQ Maxi cannot be activated when the compressor is running...

Page 12: ...ing left arrow for at least 5 seconds Use or to move up and down in the menu Electric auxiliary heater for 230V 1 N Step 3 is highest setting Setting of electric auxiliary heater for 230V 1 N Max step 3 in the SERVICE menu SERVICE AUX HEATER MAX STEP Select max step 400V 3 N Electric auxiliary heater The following settings are made in the Service Menu If not already in the Service Menu enter the S...

Page 13: ...ibute cold water on to the heating system The following settings are made in the Service Menu If not already in the Service Menu enter the Service Menu by pressing and holding left arrow for at least 5 seconds Use or to move up and down in the menu Activate active cooling in the service menu SERVICE COOLING INTEGRATED IN HP Press right arrow to activate An asterisk appears Active cooling is config...

Page 14: ...stem The purpose of this valve is to mix cold water into the heated water from the external auxiliary heater on off heater to ensure that the temperature out on the heating system is not too high The control system in the heat pump controls the mixing of hot and cold water out on the heating system Distribution circuits 1 and 2 are used where there are more than one heating circuit for example a m...

Page 15: ...veral times to exit the Information Menu Enter the Service Menu by pressing and holding left arrow for at least 5 seconds Press button to navigate to the MANUAL TEST entry Press right arrow to enter the MANUAL TEST menu Press button to select option 2 Press left arrow once to exit The test cases in the table below are available in MANUAL TEST Required test cases are described in the chap ters that...

Page 16: ... PUMP DC 2 0 stop circulation pump in discharge circuit 2 1 start circulation pump in discharge circuit 2 SHUNT DC 2 closes shunt in discharge circuit 2 0 shunt unaffected opens shunt in discharge circuit 2 SYSTEM SHUNT closes shunt 0 shunt unaffected opens shunt RET L HP SHUNT closes return line shunt in systems with buffer tank 0 shunt unaffected opens shunt in systems with buffer tank REV V POO...

Page 17: ...activate the circulation pump 1 Check that the circulation pump is running by listening and or placing a hand on the circulation pump 2 Stop the circulation pump by setting the CIRC PUMP value to 0 5 3 Test exchange valve for hot water if installed 1 Activate the reversing valve by setting the value REV V HOT WATER to 1 2 Check that the indicator on the exchange valve s upper side changes position...

Page 18: ...sor temperature so that it corresponds to the actual outdoor temperature Checked in the INFORMATION OP DATA menu DEFR SENSOR Check applicable sensors described in the table below Parameter Meaning OUTD Shows the temperature on the outdoor sensor ROOM Shows the temperature on the room sensor SUPPLY LINE Shows the temperature on the supply line sensor The calculated supply temperature to the heating...

Page 19: ... suction gas EVAP PRESSURE Shows the pressure of the suction gas pipe Measured in bar atmospheric pressure bar a DEFR SENSOR Shows the temperature of the defrost sensor 5 9 Exit test operation Set the value for MANUAL TEST to 0 5 10 Insulate the piping When the manual testing is finished do a final check for leaks and insulate the piping Caution Make sure that pipes transporting cold water are ins...

Page 20: ...heat pump to heat a cold house It is best to let the heat pump work at its own pace and NOT raise or alter any values in the control system to try to heat it up more rapidly Caution If there is an alarm in conjunction with installation it usually means that there is air in the system Caution In the event of longer periods of downtime and risk of ice build up in the system the heat pump must be dra...

Page 21: ...FLOW CIRC Adjusting the fixed speed pump speed Start with maximum speed setting Check that the circulation pump is running by listening placing a hand on the circulation pump and listen for air in the system If flow is detected normally within 60 seconds decrease the setting until the flow is so low that the F in the default display disap pears If no flow is registered check the system for air and...

Page 22: ...e cover After completed checks and tests the lower front hatch and side cover must be reinstalled on the out door unit See figure 5 atec 040 T25 Fig 5 Reinstall lower front hatch and side cover Commissioning VIGFH102 Danfoss Heating Solutions 22 ...

Page 23: ...so that the reference room reaches your required indoor temperature of 20 21 C Remember that other rooms will have different temperatures during tuning but these are adjusted later 7 If the ROOM value must be adjusted more than 3 C upwards or downwards the CURVE value must be adjusted instead See chapter CURVE for more information 8 If the indoor temperature varies several degrees despite tuning a...

Page 24: ...the CURVE value is increased the heat curve will become steeper and if the value is reduced it will become flatter 7 3 ROOM If you wish to temporarily increase or reduce the indoor temperature change the ROOM value The difference between changing the ROOM value and the CURVE value is as follows When changing the ROOM value the angle of the curve on the system s heat curve does not change instead t...

Page 25: ...ent being reached at 5 C The figure below shows the adjusted CURVE 5 The adjustment can be seen in the graph in the form of a bump Choose to adjust the heat curve individually at three specified outdoor temperatures 5 C 0 C and 5 C The supply temperature can be changed by plus minus 5 C Fig 9 The adjusted curve at 5 C 1 Supply temperature C 2 Outdoor temperature C 3 Local higher supply temperature...

Page 26: ...nformed about their new heat pump installation In the User guide there is a checklist regarding the information that the installer must give the customer The serial number must always be given for warranty matters The serial number is on the type plate which is attached to the heat pump and control unit Commissioning VIGFH102 Danfoss Heating Solutions 26 ...

Page 27: ...om default setting 95 C to 85 C Caution The heat pump must be installed by authorised installation engineers and the installation must follow the applicable local rules and regulations as well as these installation instructions Caution This product is not intended for persons including children with reduced physical sensory or psychological capacity or who do not have knowledge or experience unles...

Page 28: ...s vibrations from the heat pump being transmitted into the house causing noise 9 1 Refrigerant Caution Work on the refrigerant circuit must only be carried out by a certified engineer Although the heat pump cooling system refrigerant circuit is filled with a chlorine free and environmentally approved refrigerant that will not affect the ozone layer work on this system may only be carried out by au...

Page 29: ...ther remedies 9 5 Scrapping Caution When the heat pump is to be scrapped the refrigerant must be extracted for disposal Local rules and regula tions related to the disposal of refrigerant must be followed 9 2 Electrical connection Warning Hazardous electrical voltage The terminal blocks are live and can be highly dangerous due to the risk of elec tric shock All power supplies must be isolated befo...

Page 30: ...n Hard water Normally it is not a problem installing a heat pump in areas with hard water because the normal operating temperature for the hot water does not exceed 60 C In areas where there are exceptional prevail ing conditions with the water one can install a softening filter which softens the water cleans any impurities and prevents the build up of calcification 9 4 Commissioning Caution The i...

Page 31: ...Commissioning Danfoss Heating Solutions VIGFH102 31 ...

Page 32: ... 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 rights ...

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