Daikin EKHWET-BV3 Installer'S Reference Manual Download

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Electrical installation

Installer reference guide

E120B

R32 Split series – Domestic hot water tank

4P680077-1A – 2022.11

X8M

a Booster heater power supply cable

b Field wiring

9.2.3 To connect the WLAN cartridge (delivered as accessory)

[D]

Wireless gateway

Insert the WLAN cartridge into the cartridge slot on the user interface of the
indoor unit.

1 3

WARNING

In order to keep IPX3, the rubber part must be correctly fixed after WLAN
installation.

See the installer reference guide for more information.

Summary of Contents for EKHWET-BV3

Page 1: ...Installer reference guide R32 Split series Domestic hot water tank EKHWET90B V3 EKHWET120B V3 1 2 3 9 A B C Z 1 2 3 9 https daikintechnicaldatahub eu...

Page 2: ...25 6 3 1 Permanent power limitation 26 6 3 2 Power limitation process 26 7 Unit installation 28 7 1 Preparing the installation site 28 7 1 1 Installation site requirements of the indoor unit 28 7 1 2...

Page 3: ...nformation 81 10 6 5 Installer settings 82 10 6 6 Commissioning 87 10 6 7 User profile 88 10 6 8 Operation 88 10 6 9 WLAN 88 10 7 Menu structure Overview user settings 91 10 8 Menu structure Overview...

Page 4: ...Table of contents Installer reference guide 4 EKHWET90 120B R32 Split series Domestic hot water tank 4P680077 1A 2022 11 16 Glossary 112 17 Field settings table 113...

Page 5: ...ion manual Outdoor unit Installation instructions Format Paper in the box of the outdoor unit Installation manual Indoor unit Installation instructions Format Paper in the box of the indoor unit Insta...

Page 6: ...and Android devices using the QR codes below Registration to the Stand By Me platform is required to access the app App Store Google Play 1 1 Meaning of warnings and symbols DANGER Indicates a situati...

Page 7: ...3 Table title means Table 3 in chapter 1 1 2 Installer reference guide at a glance Chapter Description About the documentation What documentation exists for the installer General safety precautions S...

Page 8: ...d know to commission the system after it is configured Hand over to the user What to give and explain to the user Maintenance and service How to maintain and service the units Troubleshooting What to...

Page 9: ...NING Improper installation or attachment of equipment or accessories could result in electrical shock short circuit leaks fire or other damage to the equipment ONLY use accessories optional equipment...

Page 10: ...nit in the following places In potentially explosive atmospheres In places where there is machinery that emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malf...

Page 11: ...e than the specified amount of refrigerant When the refrigerant system is to be opened refrigerant MUST be treated according to the applicable legislation NOTICE Make sure refrigerant piping installat...

Page 12: ...or more information NOTICE Make sure water quality complies with EU directive 2020 2184 2 1 5 Electrical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the switch box cover con...

Page 13: ...or WARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before sta...

Page 14: ...n the radio waves a distance of 1 meter may NOT be sufficient NOTICE ONLY applicable if the power supply is three phase and the compressor has an ON OFF starting method If there exists the possibility...

Page 15: ...gas appliance or an operating electric heater WARNING DO NOT reuse refrigerant piping that has been used with any other refrigerant Replace the refrigerant pipes or clean thoroughly Special requireme...

Page 16: ...trical parts can cause malfunctions smoke or fire WARNING Some sections of the refrigerant circuit may be isolated from other sections caused by components with specific functions e g valves The refri...

Page 17: ...ipe surge absorber or telephone earth Incomplete earthing may cause electrical shock Install the required fuses or circuit breakers Secure the electrical wiring with cable ties so that the cables do N...

Page 18: ...al risk for human injuries a mixing valve field supply shall be installed at the hot water outlet connection of the domestic hot water tank This mixing valve shall secure that the hot water temperatur...

Page 19: ...e unit is disconnected from the mains Turn off the respective circuit breaker When a safety device was activated stop the unit and find out why the safety device was activated before resetting it NEVE...

Page 20: ...inal installation position In this chapter 4 1 Overview About the box 20 4 2 Indoor unit 21 4 2 1 To unpack the indoor unit 21 4 2 2 To remove the accessories from the indoor unit 21 4 1 Overview Abou...

Page 21: ...door unit 4 2 1 To unpack the indoor unit 4 2 2 To remove the accessories from the indoor unit Some accessories are located inside the unit For more information on opening the unit see 7 2 2 To open t...

Page 22: ...nit Location Model identification Example EK HW E T 120 BA V3 Code Description EK European Kit Daikin Branded HW Hot water for LT E Enamel T Wall mounted 120 Volume in liter BA Model series V3 1 230 V...

Page 23: ...n guidelines The purpose of the application guidelines is to give a glance of the possibilities of the heat pump system NOTICE The illustrations in the application guidelines are meant for reference o...

Page 24: ...on Answer the following questions and calculate the DHW consumption equivalent hot water volume at 40 C using typical water volumes Question Typical water volume How many showers are needed per day 1...

Page 25: ...ority setting it might not be able to do both DHW and A C at the same time In case you need DHW and A C at the same we recommend to produce the domestic hot water during the night when there is lower...

Page 26: ...r limitation Permanent power limitation is useful to assure a maximum power or current input of the system In some countries legislation limits the maximum power consumption for space heating and DHW...

Page 27: ...27 EKHWET90 120B R32 Split series Domestic hot water tank 4P680077 1A 2022 11 Ph Ce a b c A B Ph Produced heat Ce Consumed energy A Outdoor unit B Booster heater a Limited outdoor unit operation b Ful...

Page 28: ...he site Do NOT install the unit in places often used as work place In case of construction works e g grinding works where a lot of dust is created the unit MUST be covered WARNING The appliance shall...

Page 29: ...total refrigerant charge in the system is 1 84 kg the room where you install the indoor unit must also comply with the conditions described in 7 1 3 Installation patterns 431 WARNING Do NOT pierce or...

Page 30: ...installation Installer reference guide 30 EKHWET90 120B R32 Split series Domestic hot water tank 4P680077 1A 2022 11 NOTICE Protect pipework from physical damage Keep the pipework installation to a m...

Page 31: ...cent room c1 Bottom opening for natural ventilation c2 Top opening for natural ventilation Hrelease Actual release height From floor to 100 mm below top of the unit N A Not applicable Minimum floor ar...

Page 32: ...at the bottom one at the top between the rooms to ensure natural ventilation The openings must comply with the following conditions Bottom opening Anv Must be a permanent opening that cannot be close...

Page 33: ...ase height Anv Anv min A B You can install the unit in room A if you create ventilation openings Ventilation openings must comply with Anv min and with Conditions ventilation openings on previous page...

Page 34: ...or areas use the column with the lower value Example If the floor area is 5 m use the column of 4 00 m For intermediate release height values use the row with the lower value Example If the release he...

Page 35: ...where the indoor unit is installed Must be protected from frost a1 Anv Bottom opening for natural ventilation between the unoccupied room and the outside Must be a permanent opening that cannot be clo...

Page 36: ...Example If the refrigerant charge is 2 55 kg use the row of 2 6 kg Total refrigerant charge kg Anv min dm 2 20 7 5 2 30 7 7 2 40 7 9 2 50 8 0 2 60 8 2 7 2 Opening and closing the units 7 2 1 About op...

Page 37: ...s NOT exceed 2 94 N m 7 3 Mounting the indoor unit 7 3 1 About mounting the indoor unit When You have to mount the outdoor and indoor unit before you can connect the refrigerant and water piping 7 3 2...

Page 38: ...ater tank 4P680077 1A 2022 11 440 300 711 mod 90 963 mod 120 mm 2 2 Lift the unit 45 kg 3 Attach the unit to the wall Locate the bracket on the back of the unit above the 2 bolts Lower the bracket on...

Page 39: ...ements in the 2 General safety precautions 49 Piping connections Only flare and brazed connections are allowed The indoor and outdoor units have flare connections Connect both ends without brazing If...

Page 40: ...en connecting the piping Deformation of the piping can cause malfunctioning of the unit Connecting piping Tools Only use appropriate tooling to handle brass which is a soft material If NOT pipes will...

Page 41: ...servicing Non brass metallic piping When using non brass metallic piping insulate the brass and non brass properly so that they do NOT make contact with each other This to prevent galvanic corrosion...

Page 42: ...er piping Make sure the outdoor and indoor unit are mounted Typical workflow Connecting the water piping typically consists of the following stages 1 Connecting the water piping to the indoor unit 2 F...

Page 43: ...ves between the domestic hot water tank and the pressure relief valve NOTICE A pressure relief valve field supply with an opening pressure of maximum 7 bar 0 7 MPa must be installed on the domestic co...

Page 44: ...T90 120B R32 Split series Domestic hot water tank 4P680077 1A 2022 11 3 Close all water taps after all air is purged 4 Check for water leaks 5 Manually operate the field installed pressure relief valv...

Page 45: ...rtridge delivered as accessory 50 9 1 About connecting the electrical wiring Typical workflow Connecting the electrical wiring typically consists of the following stages 9 2 Connections to the indoor...

Page 46: ...l reduce performance and may cause accidents CAUTION Do NOT push or place redundant cable length into the unit NOTICE The distance between the high voltage and low voltage cables should be at least 50...

Page 47: ...tion c b c a a A AA A a Curled wire single core or twisted stranded conductor wire b Screw c Flat washer Stranded conductor wire with round crimp style terminal c b b a c a B B a Terminal b Screw c Fl...

Page 48: ...wer supply 448 Power supply booster heater See 9 2 2 To connect the booster heater power supply 449 WLAN cartridge See 9 2 3 To connect the WLAN cartridge delivered as accessory 450 9 2 1 To connect t...

Page 49: ...r heater cable Wires 2 GND 1 5 mm 9 4 Booster heater WARNING The booster heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation CA...

Page 50: ...power supply cable b Field wiring 9 2 3 To connect the WLAN cartridge delivered as accessory D Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor...

Page 51: ...0 10 6 3 User settings 78 10 6 4 Information 81 10 6 5 Installer settings 82 10 6 6 Commissioning 87 10 6 7 User profile 88 10 6 8 Operation 88 10 6 9 WLAN 88 10 7 Menu structure Overview user setting...

Page 52: ...s via the breadcrumb in the home menu screen or the menu structure To enable breadcrumbs press the button in the home screen For example 5 5 Accessing settings via the code in the overview field setti...

Page 53: ...rview settings then the overview settings can be accessed as follows 1 Set the user permission level to Installer See To change the user permission level 452 2 Go to 9 I Installer settings Overview fi...

Page 54: ...required 1 Connect the USB connector of the cable to your PC 2 Connect the plug of the cable to X10A on A1P of the switch box of the indoor unit X10A A1P 3 Pay special attention to the position of the...

Page 55: ...nit type read only 10 6 5 Installer settings 482 Domestic hot water not adjustable Emergency 9 5 1 Booster heater capacity 9 4 1 10 6 5 Installer settings 482 Tank Heat up mode 5 6 10 6 2 Tank 470 Com...

Page 56: ...with weather dependent curve c4 Screen with schedule 10 3 2 Home screen Press the button to go back to the home screen You see an overview of the unit configuration and the room and setpoint temperat...

Page 57: ...utdoor unit f Indoor unit domestic hot water tank f Domestic hot water tank g Holiday mode Holiday mode active h Malfunction A malfunction occurred See 14 4 1 To display the help text in case of a mal...

Page 58: ...on Only for the installer Gives access to advanced settings A Commissioning Restriction Only for the installer Perform tests and maintenance B User profile Change the active user profile C Operation T...

Page 59: ...rature limit a1 Fixed by the unit a2 Restricted by the installer Maximum temperature limit b1 Fixed by the unit b2 Restricted by the installer Current temperature c Measured by the unit Desired temper...

Page 60: ...preset values in 5 5 Schedule weekly schedule screen for the DHW tank if the DHW tank mode is one of the following Schedule only Schedule reheat 5 3 Eco setpoint 5 4 Reheat setpoint The software uses...

Page 61: ...ecific control If needed you can Program your own schedule See 10 4 3 Schedule screen Example 462 Predefined schedules if applicable The predefined schedule in the system for the specific control If n...

Page 62: ...me time outdoor unit will prioritize Air Conditioning heating cooling operation 7 4 2 User settings Quiet Schedule Schedule for when the unit has to use which quiet mode level Predefined schedule Not...

Page 63: ...ed Fri Thu Tue Sun User defined 2 Select Delete Delete 3 Select OK to confirm To clear the content of a day schedule 1 Select the day of which you want to clear the content For example Friday Mon Sat...

Page 64: ...e changes Result The schedule for Monday is defined The value of the last action is valid until the next programmed action In this example Monday is the first day you programmed Thus the last programm...

Page 65: ...y 7 Select Sunday 8 Select Paste Result Mon Sat Wed Fri Thu Tue Sun User defined C 10 5 Weather dependent curve 10 5 1 What is a weather dependent curve Weather dependent operation The unit operates w...

Page 66: ...urve Which type of curve you use to make adjustments depends on your personal preference See 10 5 4 Using weather dependent curves 468 Availability The weather dependent curve is available for Tank on...

Page 67: ...ient temperatures For example if the tank temperature is always a bit too cold at different ambient temperatures shift the offset up to equally increase the tank target temperature for all ambient tem...

Page 68: ...ther dependent To change the type of weather dependent curve To change the type for the tank go to 5 E Tank 5 E Tank WD curve type Restriction Only available to installers To change the weather depend...

Page 69: ...the tank The domestic hot water temperature is Fine tune with setpoints At regular outdoor temperatures At cold outdoor temperatures Y2 a Y1 a X1 a X2 a OK Cold OK Hot Cold OK Cold Cold Cold Hot Hot O...

Page 70: ...n For more information about how to do this see 10 3 5 Setpoint screen 458 Powerful operation You can use powerful operation to immediately start heating up the water to the preset value Comfort setpo...

Page 71: ...an be programmed This feature puts a stop to tank heating even if the setpoint has NOT been reached Only program a storage stop when tank heating is absolutely undesirable Code Description 5 2 6 0A Co...

Page 72: ...and comfort problem is significant In case of frequent reheat operation space heating cooling function is regularly interrupted INFORMATION The application of hysteresis the amount of the temperature...

Page 73: ...value This maximum allowable hot water temperature shall be selected according to the applicable legislation CAUTION Make sure that the disinfection function start time 5 7 3 with defined duration 5 7...

Page 74: ...when domestic hot water preparation is reheat only When the tank temperature drops below the reheat temperature minus the heat pump ON hysteresis temperature the tank heats up to the reheat temperatu...

Page 75: ...peration the end user cannot adjust the desired tank temperature on the user interface Also see 10 5 Weather dependent curve 465 Code Description 5 C 0 0E 0 0D 0 0C 0 0B WD curve Note There are 2 meth...

Page 76: ...THP ON Heat pump ON temperature THP OFF 6 00 or THP OFF 6 08 TDHW Domestic hot water temperature TU User setpoint temperature as set on the user interface t Time Example setpoint TU maximum heat pump...

Page 77: ...y one of the requested operation Code Description 5 F A 00 Priority schedule 0 DHW 1 A C If DHW and A C requests happen at the same time the possible outcomes based on scheduled Priority settings are...

Page 78: ...er heater can still start after 20 minutes to assist the heat pump 10 6 3 User settings Overview The following items are listed in the submenu 7 User settings Information Tank Malfunctioning Installer...

Page 79: ...ct On 2 Set the first day of your holiday Go to 7 3 2 From Select a date Confirm the changes 3 Set the last day of your holiday Go to 7 3 3 Till Select a date Confirm the changes Quiet About quiet mod...

Page 80: ...quiet mode level The user cannot change this Enable the user to program a quiet mode schedule AND OR Configure restrictions based on local regulations Select Automatic Result The user or you can progr...

Page 81: ...o No OFF Yes Follows schedule Yes No Follows restriction Yes During restricted time If restricted level is stricter than scheduled level then follows restriction Else follows schedule Outside restrict...

Page 82: ...oor temperature Tank temperature 8 5 Actuators Status mode of each actuator Booster heater 8 6 Operation modes Current operation mode Example Defrost oil return mode 8 7 About Version information abou...

Page 83: ...eater capacity kW The capacity of the booster heater at nominal voltage Range 0 10 kW Quick mode timer Code Description 9 4 3 8 03 Booster heater delay timer Start up delay time for the booster heater...

Page 84: ...15_C or Ta 42 C Domestic hot water temperature is 2 C lower than the heat pump OFF temperature 9 4 4 4 03 3 Compressor off The booster heater is allowed when the heat pump is NOT active in domestic h...

Page 85: ...led 1 Continuous Enabled You can set one power limitation value in A or kW to which the system power consumption will be limited for all the time 9 9 2 4 09 Type 0 Amp The limitation values are set in...

Page 86: ...er saving function Defines whether the outdoor unit power supply can be interrupted internally by indoor unit control during stand still conditions no air conditioning nor domestic hot water demand Th...

Page 87: ...etting 9 G Disable protections No Overview field settings Almost all settings can be done using the menu structure If for any reason it is required to change a setting using the overview settings then...

Page 88: ...ser profile Operation Commissioning Installer settings Malfunctioning B User profile 10 6 8 Operation Overview The following items are listed in the submenu C Operation Malfunctioning User profile Com...

Page 89: ...owing components b a c a WLAN cartridge The WLAN cartridge needs to be inserted in the user interface See the installation manual of the WLAN cartridge b Router Field supply c Smartphone app The ONECT...

Page 90: ...ion of the WLAN and the software version of the ONECTA app Remove from cloud Remove the WLAN cartridge from the cloud Code Description D 4 N A Remove from cloud No Yes Home network connection Read out...

Page 91: ...mat 7 3 Holiday Activation From Till 7 4 Quiet Mode Schedule Level 5 Tank Powerful operation Comfort setpoint Eco setpoint Reheat setpoint Schedule WD curve WD curve type D Wireless gateway Mode Reboo...

Page 92: ...r Emergency Power consumption control Auto restart Power saving function Disable protections Overview field settings 9 4 Booster heater Capacity Quick mode timer Operation Export MMI settings 9 9 Powe...

Page 93: ...Afterwards An installer can manually disable the protective functions by setting 9 G Disable protections Yes After his work is done he can enable the protective functions by setting 9 G Disable prote...

Page 94: ...the outdoor unit Between indoor unit and outdoor unit Between the local supply panel and the indoor unit The system is properly earthed and the earth terminals are tightened The fuses or locally insta...

Page 95: ...information 1 Set the user permission level to Installer See To change the user permission level 452 2 Go to A 1 Commissioning Operation test run 3 Select the Tank 4 Select OK to confirm Result The te...

Page 96: ...2022 11 2 Go to A 2 Commissioning Actuator test run 3 Select Booster heater 4 Select OK to confirm Result The actuator test run starts It stops automatically when ready 30 min To stop the test run ma...

Page 97: ...ing table in the operation manual with the actual settings Make sure that the user has the printed documentation and ask him her to keep it for future reference Inform the user that he can find the co...

Page 98: ...icable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent t...

Page 99: ...a thorough visual inspection of the switch box and look for obvious defects such as loose connections or defective wiring Using an ohmmeter check if contactor K3M operates correctly All contacts of th...

Page 100: ...stic hot water tank DANGER RISK OF BURNING SCALDING The water in the tank can be very hot Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit break...

Page 101: ...ymptoms Solving problems based on error codes Before troubleshooting Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring 14 2...

Page 102: ...pping is expected Large domestic hot water tapping happened recently before the programmed start up of the disinfection function If in 5 6 Tank Heat up mode the mode Reheat only or Schedule reheat is...

Page 103: ...een 2 Press in the error screen Result A long description of the error is displayed on the screen WARNING In case F3 00 there is possible risk of refrigerant leak Contact your installer 14 4 2 Error c...

Page 104: ...sition detection sensor H8 00 OU Malfunction of compressor input CT system H9 00 OU Malfunction of outdoor air thermistor HC 00 Tank temperature sensor problem J3 00 OU Malfunction of discharge pipe t...

Page 105: ...tdoor unit matching problem UA 17 Tank type problem UF 00 Reversed piping or bad communication wiring detection UH 00 Indoor unit malfunction or frost in other indoor units INFORMATION In case of erro...

Page 106: ...thermostatic safety the unit will not give an error directly Check if the booster heater is still in operation if you experience one or more of the following errors Powerful operation takes a very lo...

Page 107: ...2 11 15 Technical data A subset of the latest technical data is available on the regional Daikin website publicly accessible The full set of latest technical data is available on the Daikin Business P...

Page 108: ...ter tank 4P680077 1A 2022 11 15 1 Piping diagram Indoor unit R5T a1 c a2 R3T b1 b2 3D138207 a1 Domestic hot water hot water out Thermistors a2 Domestic hot water cold water in R3T Thermistor heat exch...

Page 109: ...supply terminal strip client X8M Booster heater power supply terminal strip X X A X B Connector X M Terminal strip Optional Field supply Translation of text on wiring diagram English Translation 1 Con...

Page 110: ...ng terminal for DC Indoor X5M Field wiring terminal for AC Outdoor X8M Booster heater power supply terminal strip Earth wiring Field supply Option Not mounted in switch box Wiring depending on model P...

Page 111: ...it wiring Power supply OUTDOOR UNIT X5M 1 2 3 earth 4 core X2M 1 2 3 earth INDOOR UNIT 1 1 booster heater power supply 1 2 kW 230 V earth STANDARD PART X1M L N earth Only for normal power supply insta...

Page 112: ...uct or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instr...

Page 113: ...1 4 Field settings table Applicable indoor units EKHWET90BAV3 EKHWET120BAV3 4P688157 1 2021 11...

Page 114: ...t 2 Most Quiet Installer settings Configuration wizard System 9 1 3 3 E 05 E 06 E 07 R O Integrated 9 1 3 4 4 06 R W 0 Manual 1 Automatic 9 1 3 7 6 02 R W 0 10kW step 0 2kW 1 2kW Tank 9 1 B 1 6 0D R W...

Page 115: ...W 1 2kW 9 I 6 08 R W 2 20 C step 1 C 10 C 9 I 6 0A R W 30 6 0E C step 1 C 50 C 9 I 6 0B R W 30 min 50 6 0E C step 1 C 45 C 9 I 6 0C R W 30 min 50 6 0E C step 1 C 45 C 9 I 6 0D R W 0 Reheat only 1 Rehe...

Page 116: ...volume 1 Integrated 2 Tank with BSH 3 EKHW large volume 5 EKHWP 7 Third party tank small coil 8 Third party tank large coil 9 I E 08 R W 0 Disabled 1 Enabled 9 I F 0A 0 Which indoor unit operation is...

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