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Installer'S Reference Manual

Daikin Altherma 3 HT, Installer'S Reference Manual

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13

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Maintenance and service

Installer reference guide

235

EPRA14~18D + ETVH/23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03

13 Maintenance and service

NOTICE

General maintenance/inspection checklist.

Next to the maintenance instructions in

this chapter, a general maintenance/inspection checklist is also available on the
Daikin Business Portal (authentication required).

The general maintenance/inspection checklist is complementary to the instructions
in this chapter and can be used as a guideline and reporting template during
maintenance.

NOTICE

Maintenance MUST be done by an authorised installer or service agent.

We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.

In this chapter

Maintenance safety precautions............................................................................................................................................ 235

Yearly maintenance ................................................................................................................................................................ 235
13.2.1

Yearly maintenance outdoor unit: overview ......................................................................................................... 235

Yearly maintenance outdoor unit: instructions..................................................................................................... 236

Yearly maintenance indoor unit: overview............................................................................................................ 236

Yearly maintenance indoor unit: instructions ....................................................................................................... 236

To drain the domestic hot water tank ................................................................................................................................... 239

About cleaning the water filter in case of trouble................................................................................................................. 239
13.4.1

To remove the water filter..................................................................................................................................... 239

To clean the water filter in case of trouble ........................................................................................................... 240

To install the water filter........................................................................................................................................ 241

13.1 Maintenance safety precautions

DANGER: RISK OF ELECTROCUTION

DANGER: RISK OF BURNING/SCALDING

NOTICE: Risk of electrostatic discharge

Before performing any maintenance or service work, touch a metal part of the unit in
order to eliminate static electricity and to protect the PCB.

13.2 Yearly maintenance

13.2.1 Yearly maintenance outdoor unit: overview

Check the following at least once a year:

▪

Heat exchanger

▪

Water filter

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Summary of Contents for Altherma 3 HT

Page 1: ...rma 3 H HT F EPRA14D V3 EPRA16D V3 EPRA18D V3 EPRA14D W1 EPRA16D W1 EPRA18D W1 ETVH16S18E 6V ETVH16S23E 6V ETVH16S18E 9W ETVH16S23E 9W ETVX16S18E 6V ETVX16S23E 6V ETVX16S18E 9W ETVX16S23E 9W A B C Z 1...

Page 2: ...delines 32 6 1 Overview Application guidelines 32 6 2 Setting up the space heating cooling system 33 6 2 1 Single room 34 6 2 2 Multiple rooms One LWT zone 38 6 2 3 Multiple rooms Two LWT zones 43 6 3...

Page 3: ...he water circuit 92 8 2 6 To protect the water circuit against freezing 92 8 2 7 To fill the domestic hot water tank 95 8 2 8 To insulate the water piping 96 9 Electrical installation 97 9 1 About con...

Page 4: ...Yearly maintenance 235 13 2 1 Yearly maintenance outdoor unit overview 235 13 2 2 Yearly maintenance outdoor unit instructions 236 13 2 3 Yearly maintenance indoor unit overview 236 13 2 4 Yearly mai...

Page 5: ...15 1 1 To manually open the electronic expansion valves 255 15 1 2 Recovery mode 256 16 Technical data 258 16 1 Service space Outdoor unit 259 16 2 Piping diagram Outdoor unit 260 16 3 Piping diagram...

Page 6: ...ual Indoor unit Installation instructions Format Paper in the box of the indoor unit Installer reference guide Preparation of the installation good practices reference data Format Digital files on htt...

Page 7: ...technicians that allows you to register configure and troubleshoot heating systems The mobile app can be downloaded for iOS and Android devices using the QR codes below Registration to the Stand By M...

Page 8: ...reference to it Example 1 3 Figure title means Figure 3 in chapter 1 Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 1 2 Installer reference guide at a...

Page 9: ...g What to do and 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 Troublesh...

Page 10: ...electrical shock short circuit leaks fire or other damage to the equipment ONLY use accessories optional equipment and spare parts made or approved by Daikin WARNING Make sure installation testing an...

Page 11: ...wing places In potentially explosive atmospheres In places where there is machinery that emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malfunction of the e...

Page 12: ...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 installatio...

Page 13: ...r 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 conn...

Page 14: ...r 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 star...

Page 15: ...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 16: ...rvice space Outdoor unit 4259 Indoor unit See 7 1 3 Installation site requirements of the indoor unit 465 Special requirements for R32 see 7 1 1 Installation site requirements of the outdoor unit 462...

Page 17: ...unting the indoor unit 480 Piping installation see 8 Piping installation 482 WARNING Field piping method MUST be in accordance with the instructions from this manual See 8 Piping installation 482 In c...

Page 18: ...ts procured on site and all electrical construction MUST comply with the applicable legislation WARNING If the power supply has a missing or wrong N phase equipment might break down Establish proper e...

Page 19: ...legislation WARNING Be aware that the domestic hot water temperature at the hot water tap will be equal to the value selected in field setting 2 03 after a disinfection operation When the high domesti...

Page 20: ...ircuit breaker When a safety device was activated stop the unit and find out why the safety device was activated before resetting it NEVER shunt safety devices or change their values to a value other...

Page 21: ...737 1A 2022 03 Disposal see 15 Disposal 4254 WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating f...

Page 22: ...e path along which you want to bring the unit to its final installation position In this chapter 4 1 Outdoor unit 22 4 1 1 To handle the outdoor unit 22 4 1 2 To unpack the outdoor unit 23 4 1 3 To re...

Page 23: ...16S18 23E Daikin Altherma 3 H HT F 4P644737 1A 2022 03 Manually After unpacking carry the unit using the slings attached to the unit See also 4 1 2 To unpack the outdoor unit 423 7 3 4 To install the...

Page 24: ...e h ENERG IJA Y IA IE ENERG IJA Y IA IE a O ring for drain socket b Drain socket c Shut off valve with integrated filter d Thermistor fixture for installations in areas with low ambient temperatures...

Page 25: ...ld the box containing the discharge grille to prevent it from falling 4 2 Indoor unit 4 2 1 To unpack the indoor unit 1 2 8 4 2 2 To remove the accessories from the indoor unit 1 b 4 a 1 c 1 d 1 e 1 f...

Page 26: ...ce heating water circuit i Sealing rings for field supplied shut off valves domestic hot water circuit j Sealing tape for low voltage wiring intake 4 2 3 To handle the indoor unit Use the handles at t...

Page 27: ...1 Possible combinations of indoor unit and outdoor unit 28 5 2 2 Possible options for the outdoor unit 28 5 2 3 Possible options for the indoor unit 29 5 1 Identification 5 1 1 Identification label O...

Page 28: ...le in your country 5 2 1 Possible combinations of indoor unit and outdoor unit Indoor unit Outdoor unit EPRA14 18D D model EPRA14 18D 7 D7 model ETVH X16 E E model O ETVH X16 E 7 E7 model O 5 2 2 Poss...

Page 29: ...combination with the wireless thermostat EKRTR1 or EKRTRB For installation instructions see the installation manual of the room thermostat and the addendum book for optional equipment Digital I O PCB...

Page 30: ...a connection between the hydro PCB A1P of the indoor unit and a PC It gives the possibility to update the hydro software and EEPROM For installation instructions see Installation manual of the PC cabl...

Page 31: ...n only be used in combination with the user interface connected to the indoor unit The Human Comfort Interface HCI used as room thermostat needs to be installed in the room that you want to control Fo...

Page 32: ...referential kWh rate power supply 56 6 6 Setting up the power consumption control 56 6 6 1 Permanent power limitation 57 6 6 2 Power limitation activated by digital inputs 58 6 6 3 Power limitation pr...

Page 33: ...losed contact thermo ON open contact thermo OFF 6 2 Setting up the space heating cooling system The heat pump system supplies leaving water to heat emitters in one or more rooms Because the system off...

Page 34: ...ting Value Unit temperature control 2 9 Code C 07 2 Room thermostat Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface Number of water temperature zone...

Page 35: ...tional equipment EKRTR1 or EKRTRB Configuration Setting Value Unit temperature control 2 9 Code C 07 1 External room thermostat Unit operation is decided by the external thermostat Number of water tem...

Page 36: ...f the heat pump convectors The installation manual of the heat pump convector options The addendum book for optional equipment The space heating cooling demand signal is sent to one digital input on t...

Page 37: ...o the outdoor unit 4101 9 3 Connections to the indoor unit 4109 The heat pump convectors are directly connected to the indoor unit A shut off valve field supply is installed before the underfloor heat...

Page 38: ...omfort The combination of the two heat emitter types provides The excellent heating comfort of the underfloor heating The excellent cooling comfort of the heat pump convectors 6 2 2 Multiple rooms One...

Page 39: ...lled before the underfloor heating in each of the other rooms INFORMATION Mind situations where the main room can be heated by another heating source Example Fireplaces Configuration Setting Value Uni...

Page 40: ...thermostats are connected to the shut off valves but do NOT have to be connected to the indoor unit The indoor unit will supply leaving water all the time with the possibility to program a leaving wat...

Page 41: ...he indoor unit X2M 35 and X2M 30 The indoor unit will only supply leaving water temperature when there is an actual demand INFORMATION To increase comfort and performance we recommend to install the v...

Page 42: ...ontroller of the heat pump convectors There are different controllers and setups possible for the heat pump convectors For more information see The installation manual of the heat pump convectors The...

Page 43: ...N If there is more than one leaving water zone ALWAYS install a mixing valve station in the main zone to decrease in heating increase in cooling the leaving water temperature when the additional zone...

Page 44: ...lers b Dedicated Human Comfort Interface BRC1HHDA used as room thermostat c Mixing valve station d Pressure regulating valve field supply e Safety thermostat field supply f Bizone kit control box EKMI...

Page 45: ...activate the setpoint screen of 2 Main zone and 1 Room Set the leaving water temperature of the main zone NOT too low typically 20 C If NOT allowed install a shut off valve field supply and connect it...

Page 46: ...ting or cooling demand Bizone kit installed 9 P 1 Code E 0B 2 Yes A bizone kit is installed in order to add an additional temperature zone Bizone system type 9 P 2 Code E 0C 0 Without hydraulic separa...

Page 47: ...starts operating Which of these units operates depends on the outdoor temperature status of the changeover to external heat source When the permission is given to the auxiliary boiler the space heatin...

Page 48: ...on also make sure that there is an expansion vessel in the auxiliary boiler loop Otherwise when bivalent operation is running and if the Aquastat valve would close there would be no expansion vessel i...

Page 49: ...f the auxiliary contact is an outdoor temperature thermostat install the thermostat in the shadow so that it is NOT influenced or turned ON OFF by direct sunlight Frequent changeover may cause corrosi...

Page 50: ...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 sh...

Page 51: ...r temperature the better the performance of the heat pump If energy prices are the same during the day and the night we recommend to heat up the DHW tank during the day If energy prices are lower duri...

Page 52: ...he domestic hot water pump 4119 For more information about connecting the recirculation connection see 8 2 4 To connect the recirculation piping 491 Configuration For more information see 10 Configura...

Page 53: ...ata Produced heat Consumed energy You can read out the energy data For space heating For space cooling For domestic hot water production You can read out the energy data Per month Per year INFORMATION...

Page 54: ...rate energy data measure the capacity resistance measurement and set the capacity via the user interface for the backup heater step 1 Measuring the consumed energy Preferred method because of higher a...

Page 55: ...ectrical cabinet L1 L2 L3 N b Power meter L1 L2 L3 N c Fuse L1 L2 L3 N d Outdoor unit L1 L2 L3 N e Indoor unit L1 N f Backup heater L1 L2 L3 N Exception You can use a second power meter if The power r...

Page 56: ...kup heater configuration use a single phase power meter In other cases use a three phase power meter Example Single phase outdoor unit with a three phase backup heater e f e i h g A B b a d 450896 005...

Page 57: ...umption controls If you do so the unit uses the most restrictive control NOTICE It is possible to install a field fuse with lower than recommended rating over the heat pump For this you must modify fi...

Page 58: ...imum four steps Each power limitation level is set via the user interface by limiting one of the following Current in A Power input in kW The energy management system field supply decides the activati...

Page 59: ...h digital input INFORMATION In case more than 1 digital input is closed at the same time the digital input priority is fixed DI4 priority DI1 6 6 3 Power limitation process The outdoor unit has better...

Page 60: ...on when you must comply with BBR16 regulations Swedish energy regulations You can combine the BBR16 power limitation with the other kW power consumption controls If you do so the unit uses the most re...

Page 61: ...the outdoor unit must be installed on a location At the north side of the house or at the side of the house where the most heat emitters are located That is NOT exposed to direct sunlight If this is N...

Page 62: ...outdoor unit 74 7 3 5 To provide drainage 75 7 3 6 To install the discharge grille 76 7 3 7 To remove the discharge grille and put the grille in safety position 78 7 4 Mounting the indoor unit 80 7 4...

Page 63: ...Do NOT install the unit in the following places Sound sensitive areas e g near a bedroom so that the operation noise will cause no trouble Note If the sound is measured under actual installation condi...

Page 64: ...rigerant circuit R32 but you do NOT have to do any refrigerant field piping or refrigerant charging Mind the following requirements and precautions WARNING Do NOT pierce or burn refrigerant cycle part...

Page 65: ...y snowfall areas it is very important to select an installation site where the snow will NOT affect the unit If lateral snowfall is possible make sure that the heat exchanger coil is NOT affected by t...

Page 66: ...Take the weight of the unit with a domestic hot water tank full of water into account Make sure in the event of a water leak water cannot cause any damage to the installation space and surroundings D...

Page 67: ...ove the transportation stay NOTICE If the unit is operated with the transportation stay attached abnormal vibration or noise may be generated The transportation stays protect the unit during transport...

Page 68: ...ressor mounting bolt and tighten to 10 1 N m of torque 4 b a a a a a a Screw b Transportation stay 4 Remove the screws a 5 from the transportation stay b Put 4 screws a aside for later use see 7 2 4 T...

Page 69: ...o close the outdoor unit NOTICE When closing the outdoor unit cover make sure that the tightening torque does NOT exceed 4 1 N m 1 1 2 3 2 4 4 3 3 3 1 7 2 6 To open the indoor unit Overview a b d c e...

Page 70: ...rface panel Open the hinges at the top and slide the top panel upwards NOTICE If you remove the user interface panel also disconnect the cables from the back of the user interface panel to prevent dam...

Page 71: ...f you need access to the high voltage components remove the high voltage switch box cover 4 T25 7 2 7 To lower the switch box on the indoor unit During the installation you will need access to the ins...

Page 72: ...he switch box 2 Put the switch box back into place 3 Reinstall the top panel 4 Reinstall the side panels 5 Reinstall the front panel 6 Reconnect the cables to the user interface panel 7 Reinstall the...

Page 73: ...door unit INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 410 7 1 Preparing the installation site 462 7 3 3 To provide the installation st...

Page 74: ...sition See 7 3 7 To remove the discharge grille and put the grille in safety position 478 8 0 0 479 a 150 mm 4 M12 a Make sure not to cover the drain hole in the bottom plate of the unit 7 3 4 To inst...

Page 75: ...nit Avoid drain water flowing over the footpath so that it does NOT become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm...

Page 76: ...Use the drain plug with O ring and a hose for drainage 1 2 a b c c 3 d a Drain hole b O ring delivered as accessory c Drain plug delivered as accessory d Hose field supply NOTICE O ring Make sure the...

Page 77: ...crews 3 2 5 N m Install the upper part of the discharge grille NOTICE Vibrations Make sure the upper part of the discharge grille is attached seamlessly to the lower part to prevent vibrations 4 Align...

Page 78: ...he grille in safety position WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating fan See 7 3 6 To...

Page 79: ...EPRA14 18D ETVH X16S18 23E Daikin Altherma 3 H HT F 4P644737 1A 2022 03 4 3 Rotate the lower part of the discharge grille 4 Align the ball stud and hook on the grille with their counterparts on the u...

Page 80: ...t INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 410 7 1 Preparing the installation site 462 7 4 3 To install the indoor unit 1 Lift the...

Page 81: ...to an appropriate drain according to the applicable legislation You can route the drain hose through the left or right side panel Prerequisite The user interface panel and front panel have been remove...

Page 82: ...y oxygen diffusion tight according to DIN 4726 The diffusion of oxygen into the piping can lead to excessive corrosion Connecting piping Legislation Make all piping connections in accordance with the...

Page 83: ...and display error 7H Minimum required flow rate For E models 25 l min For E7 models 20 l min Field supply components Water Only use materials that are compatible with water used in the system and wit...

Page 84: ...s properly so that they do NOT make contact with each other This to prevent galvanic corrosion Valve Change over time When using a 2 way valve or a 3 way valve in the water circuit the maximum change...

Page 85: ...e water volume and flow rate The indoor unit has an expansion vessel of 10 litre with a factory set pre pressure of 1 bar To make sure that the unit operates properly You MUST check the minimum and ma...

Page 86: ...ght difference a Water volume 190 l 190 l 7 m No pre pressure adjustment is required Do the following Decrease the pre pressure according to the required installation height difference The pre pressur...

Page 87: ...r interface does NOT display error 7H NOTICE When circulation in each or certain space heating loops is controlled by remotely controlled valves it is important that the minimum flow rate is guarantee...

Page 88: ...point in the water circuit The total water volume in the water circuit is 250 l Actions Because the total water volume 250 l is more than the default water volume 200 l the pre pressure must be decre...

Page 89: ...ad the precautions and requirements in the following chapters 2 General safety precautions 410 8 1 Preparing water piping 482 8 2 3 To connect the water piping NOTICE Do NOT use excessive force when c...

Page 90: ...O rings and shut off valves to the space heating cooling water pipes of the indoor unit 4 Connect the space heating cooling field piping of both zones to the shut off valves 5 Connect the domestic hot...

Page 91: ...able legislation It is recommended to install a pressure reducing valve on the cold water inlet in accordance with the applicable legislation An expansion vessel should be installed on the cold water...

Page 92: ...revention 4202 Drain prevention Only applicable when Bivalent is enabled C 02 1 This function prevents the opening of freeze protection valves in the water piping to the outdoor unit when the auxiliar...

Page 93: ...ol absorbs water from its environment Therefore do NOT add glycol that has been exposed to air Leaving the cap off the glycol container causes the concentration of water to increase The glycol concent...

Page 94: ...reeze When water is at standstill inside the system the system is very likely to freeze and get damaged Glycol and the maximum allowed water volume Adding glycol to the water circuit reduces the maxim...

Page 95: ...15 cm 10 cm c Isolation of water inside the house when there is a power interruption Normally closed valves located indoors near the piping entry exit points can prevent that all water from indoor pi...

Page 96: ...n below table as a minimum with 0 039 W mK Piping length m Minimum insulation thickness mm 20 19 20 30 32 30 40 40 40 50 50 For other cases the minimum insulation thickness can be determined using the...

Page 97: ...he alarm output 120 9 3 7 To connect the space cooling heating ON OFF output 121 9 3 8 To connect the changeover to external heat source 122 9 3 9 To connect the power consumption digital inputs 123 9...

Page 98: ...inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers th...

Page 99: ...rew c Flat washer Allowed NOT allowed Tightening torques Outdoor unit Item Tightening torque N m X1M 1 47 10 X2M M4 earth Indoor unit Item Tightening torque N m X1M 2 45 10 X2M 0 88 10 X5M 0 88 10 X6M...

Page 100: ...livery systems Consult with the electricity company acting as provider at the site where this equipment is to be installed to know whether it is appropriate to connect the equipment in one of the pref...

Page 101: ...ential kWh rate power supply activation power supply is interrupted immediately or after some time by the electricity company In this case the indoor unit must be powered by a separate normal power su...

Page 102: ...ength may cause electrical shock or leakage 3 Insert the cables at the back of the unit and route them through the factory mounted cable sleeves into the switch box d c2 b2 c1 b1 a1 a2 a1 a2 Power sup...

Page 103: ...RN BLU YLW GRN b a L N a Power supply cable field supply b Field wiring F1B Overcurrent fuse field supply Recommended fuse 2 pole 32 A fuse C curve Q1DI Earth leakage circuit breaker 30 mA field suppl...

Page 104: ...l Drain tube heater cable Make sure the heating element of the drain tube heater is completely inside the drain tube Route the cable through the frame Connect the wires to the terminal block and the e...

Page 105: ...04A to X806A X806A X804A X805A INFORMATION Power saving function The power saving function is only applicable for V3 models For more information about the power saving function 9 F or overview field s...

Page 106: ...LW GRN a Power supply cable field supply b Field wiring F1B Overcurrent fuse field supply Recommended fuse 4 pole 16 A or 20 A fuse C curve Q1DI Earth leakage circuit breaker 30 mA field supply 2 Inte...

Page 107: ...l Drain tube heater cable Make sure the heating element of the drain tube heater is completely inside the drain tube Route the cable through the frame Connect the wires to the terminal block and the e...

Page 108: ...X16S18 23E Daikin Altherma 3 H HT F 4P644737 1A 2022 03 1 2 9 2 2 To reposition the air thermistor on the outdoor unit This procedure is only necessary in areas with low ambient temperatures Required...

Page 109: ...alarm output 4120 Space cooling heating operation control See 9 3 7 To connect the space cooling heating ON OFF output 4121 Changeover to external heat source control See 9 3 8 To connect the changeo...

Page 110: ...tion manual of the heat pump convector options Addendum book for optional equipment Wires 0 75 mm Maximum running current 100 mA For the main zone 2 9 Control 2 A Ext thermostat type For the additiona...

Page 111: ...WLAN module Addendum book for optional equipment Installer reference guide Use the cable delivered with the WLAN module D Wireless gateway Bizone kit See Installation manual of the bizone kit Addendu...

Page 112: ...red room thermostat digital or analogue to the multi zoning base unit You need to connect the multi zoning base unit to the outdoor unit For cooling heating operation you also need to implement a rela...

Page 113: ...on cable main power supply Wires 3 GND 1 5 mm Normal kWh rate power supply Wires 1N Maximum running current 6 3 A Preferential kWh rate power supply contact Wires 2 0 75 1 25 mm Maximum length 50 m Pr...

Page 114: ...ndoor unit is required if preferential kWh rate power supply is interrupted when active OR if no power consumption of the indoor unit is allowed at the preferential kWh rate power supply when active 9...

Page 115: ...75 A per phase c This equipment complies with EN IEC 61000 3 11 European International Technical Standard setting the limits for voltage changes voltage fluctuations and flicker in public low voltage...

Page 116: ...M BRN GRY BLU1 BLU2 6V 6T1 3 230 V SWB 3 50 Hz 230 V AC 4 3 6 5 2 1 K5M 14 13 1 2 3 4 5 6 7 8 F1B I I I I Q1DI L1 L2 L3 X6M BRN GRY BLU1 BLU2 9W 3N 400 V 3N 50 Hz 400 V AC SWB Q1DI L1 L2 L3 N 1 2 3 4...

Page 117: ...t pump convectors install a shut off valve before the underfloor heating to prevent condensation on the floor during cooling operation Wires 2 0 75 mm Maximum running current 100 mA 230 V AC supplied...

Page 118: ...rs 12 V DC pulse detection voltage supplied by PCB 9 A Energy metering INFORMATION In case of an electricity meter with transistor output check the polarity The positive polarity MUST be connected to...

Page 119: ...5 To connect the domestic hot water pump Wires 2 GND 0 75 mm DHW pump output Maximum load 2 A inrush 230 V AC 1 A continuous 9 2 2 DHW pump 9 2 3 DHW pump schedule 1 Open the following see 7 2 6 To o...

Page 120: ...tput Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC 9 D Alarm output 1 Open the following see 7 2 6 To open the indoor unit 469 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Conne...

Page 121: ...t the space cooling heating ON OFF output INFORMATION Cooling is only applicable in case of reversible models Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC 1 Open the following see 7 2 6 To open the i...

Page 122: ...ountings 9 3 8 To connect the changeover to external heat source INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with room thermostat control OR external room thermos...

Page 123: ...mountings 9 3 9 To connect the power consumption digital inputs Wires 2 per input signal 0 75 mm Power limitation digital inputs 12 V DC 12 mA detection voltage supplied by PCB 9 9 Power consumption...

Page 124: ...y closed contact Wires 2 0 75 mm Maximum length 50 m Safety thermostat contact 16 V DC detection voltage supplied by PCB The voltage free contact shall ensure the minimum applicable load of 15 V DC 10...

Page 125: ...ermostat has a maximum temperature variation rate of 2 C min There is a minimum distance of 2 m between the safety thermostat and the 3 way valve NOTICE Error If you remove the jumper open circuit but...

Page 126: ...0 5 mm Wires low voltage Smart Grid contacts 0 5 mm 9 8 4 3 Benefit kWh power supply Smart grid 9 8 5 Smart grid operation mode 9 8 6 Allow electrical heaters 9 8 7 Enable room buffering 9 8 8 Limit s...

Page 127: ...art grid operation mode 9 8 6 Allow electrical heaters 9 8 7 Enable room buffering 9 8 8 Limit setting kW The wiring of the Smart Grid in case of high voltage contacts is as follows S4S 3 4 X5M X5M 13...

Page 128: ...ws a b c d e K1A K2A X10M 2 4 K1A K2A Relays X10M Terminal block a Screws for X10M b Screws for K1A and K2A c Sticker to put on the high voltage wires d Wires between the relays and X5M AWG22 ORG e Wi...

Page 129: ...e cables with cable ties to the cable tie mountings If necessary bundle excessive cable length with a cable tie 9 3 12 To connect the WLAN cartridge delivered as accessory D Wireless gateway 1 Insert...

Page 130: ...9 Electrical installation Installer reference guide 130 EPRA14 18D ETVH X16S18 23E Daikin Altherma 3 H HT F 4P644737 1A 2022 03 Without low voltage cables With low voltage cables...

Page 131: ...s 149 10 5 Settings menu 151 10 5 1 Malfunctioning 151 10 5 2 Room 152 10 5 3 Main zone 156 10 5 4 Additional zone 167 10 5 5 Space heating cooling 171 10 5 6 Tank 180 10 5 7 User settings 188 10 5 8...

Page 132: ...thods However NOT all settings are accessible via both methods If so the corresponding table columns in this chapter are set to N A not applicable Method Column in tables Accessing settings via the br...

Page 133: ...n be configured via the menu structure If for any reason it is required to change a setting using the overview settings then the overview settings can be accessed as follows 1 Set the user permission...

Page 134: ...oftware and EEPROM Prerequisite The EKPCCAB4 kit is 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 A1P...

Page 135: ...ones 4 4 10 5 5 Space heating cooling 4171 Glycol Filled system overview field setting E 0D 10 5 9 Installer settings 4194 Booster heater capacity 9 4 1 if applicable Backup heater Voltage 9 3 2 Backu...

Page 136: ...ly 3 9 Setpoint mode 3 4 Heating WD curve 3 5 if applicable Cooling WD curve 3 6 if applicable Schedule 3 1 WD curve type 3 C read only Tank Heat up mode 5 6 10 5 6 Tank 4180 Comfort setpoint 5 2 Eco...

Page 137: ...5 j e2 l k1 k2 k3 45 d e1 g3 g2 h1 g1 f i2 i3 i4 h2 i1 a2 a1 e3 b c Possible actions on this screen Go through the list of the main menu Go to the main menu screen Enable disable breadcrumbs Item Desc...

Page 138: ...in zone i1 Installed room thermostat type Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface BRC1HHDA used as room thermostat Unit operation is decided...

Page 139: ...ion A malfunction occurred See 14 4 1 To display the help text in case of a malfunction 4249 for more information a If the corresponding operation for example space heating is not active the circle is...

Page 140: ...ce heating cooling Shows the applicable symbol of your unit Put the unit in heating mode or cooling mode You cannot change the mode on heating only models 5 Tank Set the domestic hot water tank temper...

Page 141: ...e 3 Additional zone screen 45 C 3 Additional zone 5 Tank temperature screen 50 C 5 Tank Explanation a1 d d e d e c a2 b1 b2 Possible actions on this screen Go through the list of the submenu Go to the...

Page 142: ...The procedures to program other schedules are similar To program the schedule overview Example You want to program the following schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 Prerequisite The r...

Page 143: ...Sat Wed Fri Thu Tue Sun User defined 1 2 Select Delete Delete Rename Select 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 e...

Page 144: ...clear an action set its time as the time of the previous action 4 Confirm the changes Result The schedule for Monday is defined The value of the last action is valid until the next programmed action I...

Page 145: ...this action for all other weekdays Mon Sat Wed Fri Thu Tue Sun User defined 1 C To program the schedule for Saturday and copy it to Sunday 1 Select Saturday 2 Select Edit 3 Use the left dial to select...

Page 146: ...endent if the desired leaving water or tank temperature is determined automatically by the outdoor temperature It therefore is connected to a temperature sensor on the North wall of the building If th...

Page 147: ...ee 10 4 4 Using weather dependent curves 4149 Availability The weather dependent curve is available for Main zone Heating Main zone Cooling Additional zone Heating Additional zone Cooling Tank only av...

Page 148: ...and offset Define the weather dependent curve by its slope and offset Change the slope to differently increase or decrease the temperature of the leaving water for different ambient temperatures For...

Page 149: ...zone heating Main zone or additional zone cooling Domestic hot water X1 X2 Examples of outdoor ambient temperature Y1 Y2 Y3 Y4 Examples of desired tank temperature or leaving water temperature The ico...

Page 150: ...ange the type for all zones main additional and for the tank go to 2 E Main zone WD curve type Viewing which type is selected is also possible via 3 C Additional zone WD curve type 5 E Tank WD curve t...

Page 151: ...dependent curve 2 points curve The following table describes how to fine tune the weather dependent curve of a zone or tank You feel Fine tune with setpoints At regular outdoor temperatures At cold ou...

Page 152: ...tpoint screen Control the room temperature of the main zone via setpoint screen 1 Room See 10 3 5 Setpoint screen 4141 Schedule Indicate if the room temperature is controlled according to a schedule o...

Page 153: ...ace heating cooling On Room thermostat control C 07 2 Allow for the dedicated Human Comfort Interface BRC1HHDA used as room thermostat to take care of room frost protection Set antifrost 1 4 1 Activat...

Page 154: ...off However if 1 4 1 Antifrost is activated limited frost protection by the unit is possible In case of 1 leaving water temperature zone If Then Space heating cooling Off and Outdoor ambient temperat...

Page 155: ...unctionality is on 1 4 2 2 05 Room setpoint 4 C 16 C INFORMATION When the dedicated Human Comfort Interface BRC1HHDA used as room thermostat is disconnected because of incorrect wiring or damage of th...

Page 156: ...thermostat Offset on the actual room temperature measured by the Human Comfort Interface 5 C 5 C step 0 5 C 1 7 2 09 Room sensor offset external room sensor option Only applicable if the external roo...

Page 157: ...en 2 Main zone See 10 3 5 Setpoint screen 4141 Schedule Indicate if the temperature of the leaving water is defined according to a schedule or not Influence of the LWT setpoint mode 2 4 is as follows...

Page 158: ...for heating does NOT depend on the outdoor ambient temperature for cooling In Weather dependent mode the desired leaving water temperature depends on the outdoor ambient temperature Code Description 2...

Page 159: ...zone Ta Outdoor temperature 1 00 Low outdoor ambient temperature 40 C 5 C 1 01 High outdoor ambient temperature 10 C 25 C 1 02 Desired leaving water temperature when the outdoor temperature equals or...

Page 160: ...igher than 1 09 as for low outdoor temperatures less cold water is required 1 09 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 03...

Page 161: ...in heating the zone with the lowest water temperature is configured as the main zone and the zone with the highest water temperature is configured as the additional zone NOTICE If there are 2 zones an...

Page 162: ...selection of the heat emitters The desired leaving water temperature is the result of several settings preset values shift values weather dependent curves modulation As a result too high or too low l...

Page 163: ...at is used the external room thermostat will control the room frost protection However the room frost protection is only possible if C 2 Space heating cooling On Code Description 2 A C 05 External roo...

Page 164: ...RMATION In heating the target delta T will only be achieved after some operation time when the setpoint is being reached because of the big difference between leaving water temperature setpoint and in...

Page 165: ...ise level higher comfort and higher efficiency water temperatures as low as possible to match the desired temperature higher efficiency If Modulation is disabled set the desired leaving water temperat...

Page 166: ...alve station ONLY when there is demand Code Description 2 D 1 F 0B The shut off valve 0 No is NOT influenced by heating or cooling demand 1 Yes closes when there is NO heating or cooling demand INFORM...

Page 167: ...een Control the leaving water temperature for the additional zone via setpoint screen 3 Additional zone See 10 3 5 Setpoint screen 4141 Schedule Indicates if the desired leaving water temperature is a...

Page 168: ...e figure below 0 00 0 01 Ta Tt 0 03 0 02 Tt Target leaving water temperature additional zone Ta Outdoor temperature 0 03 Low outdoor ambient temperature 40 C 5 C 0 02 High outdoor ambient temperature...

Page 169: ...perature 25 C 43 C 0 05 Desired leaving water temperature when the outdoor temperature equals or drops below the low ambient temperature 9 07 C 9 08 C Note This value should be higher than 0 04 as for...

Page 170: ...highest leaving water temperature in heating operation and the lowest leaving water temperature in cooling operation 3 8 1 9 05 Heating minimum 15 C 37 C 3 8 2 9 06 Heating maximum 2 0D 2 emitter type...

Page 171: ...models If 2 0D 2 this is fixed to 10 C Else 3 C 10 C For E7 models If 2 0D 2 10 C 12 C Else 3 C 12 C 3 B 2 1 0E Delta T cooling A minimum temperature difference is required for the good operation of...

Page 172: ...s installed 1 Go to 4 Space heating cooling 2 Check if 4 1 Operation mode is listed and editable If so a heating cooling heat pump model is installed To tell the system which space operation to use yo...

Page 173: ...each month select an option Reversible Not restricted Heating only Restricted Cooling only Restricted 4 Confirm the changes Example Changeover restrictions When Restriction During cold season Example...

Page 174: ...ating temperature Example A unit is configured as following Desired room temperature in heating mode 22 C Desired room temperature in cooling mode 24 C Hysteresis value 1 C Offset 4 C Changeover from...

Page 175: ...2 water temperature zones During configuration the number of water zones must be set INFORMATION Mixing station If your system layout contains 2 LWT zones you need to install a mixing station in front...

Page 176: ...emitter underfloor heating To avoid this Install an aquastat thermostatic valve to avoid too high temperatures towards a low temperature emitter Make sure you set the emitter types for the main zone...

Page 177: ...ONLY available in leaving water temperature control a b d e f c g b c a Space heating cooling control b Off c On d LWT temperature e Actual f Desired g Pump operation 4 5 F 0D 2 Request Pump operatio...

Page 178: ...Restriction Only displayed when the bizone kit EKMIKPOA or EKMIKPHA is installed Pump limitation Additional zone Possible values see below Possible values Value Description 0 No limitation 1 4 General...

Page 179: ...er than the value set by the Space heating off temperature 4 02 or if the outdoor temperature drops below the value set by the Space cooling off temperature F 01 When the pump operation is enabled the...

Page 180: ...temperature may rise above the desired leaving water temperature before the compressor stops The compressor will start up again when the leaving water temperature drops below the desired leaving water...

Page 181: ...operation to immediately start heating up the water to the preset value Storage comfort However this consumes extra energy If powerful operation is active will be shown on the home screen To activate...

Page 182: ...denotes the lower desired tank temperature It is the desired temperature when a storage economic action is scheduled preferably during day Code Description 5 3 6 0B Eco setpoint 30 C min 50 6 0E C Re...

Page 183: ...a schedule See the operation manual for more details Disinfection Applies only to installations with a domestic hot water tank The disinfection function disinfects the domestic hot water tank by peri...

Page 184: ...by possible domestic hot water demand NOTICE Disinfection mode Even if you turn OFF tank heating operation C 3 Operation Tank disinfection mode will remain active However if you turn it OFF while dis...

Page 185: ...erature drops below the reheat temperature minus the heat pump ON hysteresis temperature the tank heats up to the reheat temperature The minimum ON temperature is 20 C even if setpoint hysteresis is s...

Page 186: ...0 0B 0 0E 0 0D TDHW The desired tank temperature Ta The averaged outdoor ambient temperature 0 0E low outdoor ambient temperature 40 C 5 C 0 0D high outdoor ambient temperature 10 C 25 C 0 0C desired...

Page 187: ...heat pump temperature 6 01 THP MAX 6 01 t 6 00 HP 5 10 20 30 40 43 45 TU THP OFF THP MAX TDHW THP ON 50 HP Heat pump If heating up time by the heat pump takes too long auxiliary heating by the backup...

Page 188: ...enabled and clock format is set to 24 hours If you want to change these settings you can do this in the menu structure User settings Time date once the unit is initialised Holiday About holiday mode D...

Page 189: ...decrease the sound of the outdoor unit However this also decreases the heating cooling capacity of the system There are multiple quiet mode levels The installer can Completely deactivate quiet mode M...

Page 190: ...sult The user or you can program the schedule in 7 4 2 Schedule For more information about scheduling see 10 3 7 Schedule screen Example 4142 You can configure restrictions in 7 4 4 Restrictions See b...

Page 191: ...price Only applicable in combination with the bivalent function See also Bivalent 4210 Code Description 7 5 1 N A Electricity price High 7 5 2 N A Electricity price Medium 7 5 3 N A Electricity price...

Page 192: ...an incentive per kWh renewable energy An incentive can be taken into account when setting the energy prices Although the running cost can increase the total operation cost taking into account the reim...

Page 193: ...sted in the submenu 8 Information Installer settings User settings Tank Commissioning 8 Information 8 1 Energy data 8 2 Malfunction history 8 3 Dealer information 8 4 Sensors 8 5 Actuators 8 6 Operati...

Page 194: ...Room tank or domestic hot water outside and leaving water temperature if applicable 8 5 Actuators Status mode of each actuator Example Domestic hot water pump ON OFF 8 6 Operation modes Current opera...

Page 195: ...guide you using the configuration wizard This way you can set the most important initial settings This way the unit will be able to run properly Afterwards more detailed settings can be done via the m...

Page 196: ...am a domestic hot water pump schedule to determine when to turn on and off the pump When turned on the pump runs and makes sure hot water is instantly available at the tap To save energy only turn on...

Page 197: ...k if the other is still as expected INFORMATION During normal operation the capacity of the second step of the backup heater at nominal voltage is equal to 6 03 6 04 INFORMATION If 4 0A 3 and emergenc...

Page 198: ...to your system when performing a space heating test run see 11 4 3 Operation test run 4228 depending on the actual water volume of the system Code Description 9 3 6 5 00 Equilibrium Deactivate backup...

Page 199: ...en Emergency is set to Manual and a heat pump failure occurs the domestic hot water heating and space heating stops To manually recover it via the user interface go to the Malfunctioning main menu scr...

Page 200: ...bled 1 enabled Glycol filled system Glycol Filled system This setting gives the installer the possibility to indicate whether the system is filled with glycol or water This is important in case glycol...

Page 201: ...t water temperature to be applied at low outdoor temperature when space heating priority is enabled The corrected higher setpoint will make sure that the total heat capacity of the water in the tank r...

Page 202: ...there is a request for space heating or cooling If there is NO request for space heating cooling the tank is heated until the setpoint has been reached When Control Room thermostat This preset value i...

Page 203: ...hich heaters are allowed to operate during preferential kWh rate power supply 0 No None 1 Only BSH Booster heater only 2 Only BUH Backup heater only 3 All All heaters See also below table Allowed heat...

Page 204: ...function 2 Closed The outdoor unit is connected to a preferential kWh rate power supply When the preferential kWh rate signal is sent by the electricity company the contact will close and the unit wil...

Page 205: ...anels The unit limits its power consumption during the Smart Grid s Recommended ON mode to only use the power provided by the photovoltaic panels However when the pulse meter is not available you can...

Page 206: ...room only in case of room thermostat control or in the DHW tank instead of putting the photovoltaic panel energy on the grid In case of room buffering the room will heat up or cool down to the comfort...

Page 207: ...ill be limited when the corresponding digital input asks 9 9 2 4 09 Type 0 Amp The limitation values are set in A 1 kW The limitation values are set in kW Limit when 9 9 1 Continuous and 9 9 2 Amp Cod...

Page 208: ...ace is set to Swedish NOTICE 2 weeks to change After you activated BBR16 you only have 2 weeks to change its settings BBR16 activation and BBR16 power limit After 2 weeks the unit freezes these settin...

Page 209: ...l sensor Code Description 9 B 1 C 08 External sensor When an optional external ambient sensor is connected the type of the sensor must be set 0 None NOT installed The thermistor in the dedicated Human...

Page 210: ...e selected time period Code Description 9 B 3 1 0A Averaging time 0 No averaging 1 12 hours 2 24 hours 3 48 hours 4 72 hours Bivalent Bivalent Only applicable in case of auxiliary boiler INFORMATION B...

Page 211: ...stem calculates a value Tcalc which is variable between C 03 and C 03 C 04 TA Tcalc C 03 C 04 3 C C 03 a b TA Outdoor temperature Tcalc Bivalent ON temperature variable Below this temperature the auxi...

Page 212: ...icity price and gas price example both c kWh 2 Determine the value of C 03 using the graph For an example see the table legend 14 0 1 2 3 4 5 6 12 10 8 6 4 2 0 2 4 6 8 10 12 14 COP 10 5 b 2 5 a a C 03...

Page 213: ...indoor unit error malfunctioning Low level errors caution warning will NOT be transmitted to alarm output 0 Abnormal The alarm output will be powered when an alarm occurs By setting this value a dist...

Page 214: ...ater demand The final decision to allow power interruption of the outdoor unit during standstill depends on the ambient temperature compressor conditions and minimum internal timers To enable the powe...

Page 215: ...be done using the menu structure If for any reason it is required to change a setting using the overview settings then the overview settings can be accessed in the field settings overview 9 I See To...

Page 216: ...it installed Code Description 9 P 1 E 0B Bizone kit installed 0 No The system only has a main zone 1 N A 2 Yes A bizone kit is installed in order to add an additional temperature zone Bizone kit syste...

Page 217: ...troller EKMIKPOA the valve turning time must be set accordingly For this setting space heating cooling and tank operation MUST be off C 2 Space heating cooling 0 Off and C 3 Tank 0 Off See 10 5 12 Ope...

Page 218: ...ting cooling 0 Off 1 On C 3 N A Tank 0 Off 1 On 10 5 13 WLAN INFORMATION Restriction WLAN settings are only visible when a WLAN cartridge or WLAN module is installed Overview The following items are l...

Page 219: ...of the front panel See Installation manual of the WLAN module Addendum book for optional equipment b Router Field supply c Smartphone app The ONECTA app needs to be installed on the user s smartphone...

Page 220: ...on of the WLAN and the software version of the ONECTA app Remove from cloud Remove the WLAN cartridge module from the cloud Code Description D 4 N A Remove from cloud No Yes Home network connection Re...

Page 221: ...setpoint 1 5 Setpoint range Heating minimum Heating maximum Cooling minimum Cooling maximum 7 2 Time date Hours Minutes Year Month Day Daylight savings time Format 7 3 Holiday Activation From Till 7...

Page 222: ...Benefit kWh power supply Smart grid operation mode Allow electrical heaters Limit setting kW Enable room buffering Allow heater Allow pump 9 Installer settings Configuration wizard Domestic hot water...

Page 223: ...tion Installer reference guide 223 EPRA14 18D ETVH X16S18 23E Daikin Altherma 3 H HT F 4P644737 1A 2022 03 INFORMATION Depending on the selected installer settings and unit type settings will be visib...

Page 224: ...room antifrost The unit automatically runs these functions when necessary During installation or service this behaviour is undesired Therefore the protective functions can be disabled At first power o...

Page 225: ...installation of the unit check the items listed below 2 Close the unit 3 Power up the unit You read the complete installation instructions as described in the installer reference guide The indoor unit...

Page 226: ...the water volume and flow rate in 8 1 Preparing water piping 482 To perform an air purge To perform a test run To perform an actuator test run Underfloor screed dryout function The underfloor screed d...

Page 227: ...ly changes the pump speed and switches the position of the 3 way valve between the space heating and the domestic hot water circuit Typical workflow Purging the air from the system should consist of 1...

Page 228: ...sion level 4132 2 Go to A 3 Commissioning Air purge 3 In the menu set Type Automatic 4 Select Start air purge 5 Select OK to confirm Result The air purge starts It stops automatically when done 6 To s...

Page 229: ...anual stop During the space heating test run the unit measures the temperature increase If you manually stop the test run After 30 min from start the measurement will be successful Before 30 min from...

Page 230: ...confirm Possible actuator test runs Backup heater 1 test Backup heater 2 test Pump test INFORMATION Make sure that all air is purged before executing the test run Also avoid disturbances in the water...

Page 231: ...ll perform the screed dryout and supply the leaving water without heat pump operation To program an underfloor heating screed dryout schedule Duration and temperature The installer can program up to 2...

Page 232: ...sable room frost protection by setting 2 06 to 0 and KEEP it disabled until the screed dryout has finished Ignoring this notice will result in cracking of the screed NOTICE For the underfloor heating...

Page 233: ...failure the U3 error is not generated When power is restored the unit automatically restarts the latest step and continues the program Stop UFH screed dryout To manually stop underfloor heating screed...

Page 234: ...ng 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 com...

Page 235: ...his chapter 13 1 Maintenance safety precautions 235 13 2 Yearly maintenance 235 13 2 1 Yearly maintenance outdoor unit overview 235 13 2 2 Yearly maintenance outdoor unit instructions 236 13 2 3 Yearl...

Page 236: ...ter filter Close the valve Clean and rinse the water filter NOTICE Handle the filter with care To prevent damage to the mesh of the filter do NOT use excessive force when you reinsert it 1 3 2 13 2 3...

Page 237: ...sufficient pressure is required To prevent dirt from remaining in the dirt separator ALWAYS take off the magnetic sleeve ALWAYS first unscrew the drain cap and connect a drain hose to the bottom of th...

Page 238: ...or obvious defects such as loose connections or defective wiring Using an ohmmeter check if contactors K1M K2M K3M and K5M depending on your installation operate correctly All contacts of these contac...

Page 239: ...n case of trouble INFORMATION For yearly maintenance you do not have to remove the water filter from the unit to clean it But in case of trouble with the water filter you might have to remove it so th...

Page 240: ...ALWAYS clean up spilled water 13 4 2 To clean the water filter in case of trouble 1 Remove the water filter from the unit See 13 4 1 To remove the water filter 4239 NOTICE To protect the piping conne...

Page 241: ...ter NOTICE Check the condition of the O rings and replace if needed Apply water or silicon grease to the O rings before installation 1 Install the water filter in the correct location a c b a a Clip b...

Page 242: ...high 248 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error 248 14 4 Solving problems based on error codes 249 14 4 1 To display the help text in case of a malfunction 249...

Page 243: ...of the water circuit are completely open The water filter is clean Clean if necessary There is no air in the system Purge air if necessary You can purge air manually see To perform a manual air purge...

Page 244: ...backup heater contactors are NOT broken If the problem persists contact your dealer The preferential kWh rate power supply settings and electrical connections do NOT match This should match with the c...

Page 245: ...at emitters or collectors mind the following WARNING Air purging heat emitters or collectors Before you purge air from heat emitters or collectors check if or is displayed on the home screen of the us...

Page 246: ...8 1 4 Changing the pre pressure of the expansion vessel 487 14 3 7 Symptom The pressure relief valve opens Possible causes Corrective action The expansion vessel is broken Replace the expansion vesse...

Page 247: ...ective action The backup heater operation is not activated Check the following The backup heater operation mode is enabled Go to 9 3 8 Installer settings Backup heater Operation 4 00 The backup heater...

Page 248: ...Replace the pressure relief valve 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error Possible causes Corrective action The disinfection function was interrupted by domesti...

Page 249: ...ion the following will appear on the home screen depending on the severity Error Malfunction You can get a short and a long description of the malfunction as follows 1 Press the left dial to open the...

Page 250: ...tat 8H 03 Overheating water circuit thermostat A1 00 Zero cross detection problem A5 00 OU High pressure peak cut freeze protection problem AA 01 Backup heater overheated or BUH power cable not connec...

Page 251: ...H5 00 Malfunction of compressor overload protection H6 00 OU Malfunction of position detection sensor H8 00 OU Malfunction of compressor input CT system H9 00 OU Malfunction of outdoor air thermistor...

Page 252: ...r PJ 00 Capacity setting mismatch U0 00 OU Shortage of refrigerant U1 00 Malfunction by reverse phase open phase U2 00 OU Defect of power supply voltage U3 00 Underfloor heating screed dryout function...

Page 253: ...program an Eco action 3 hours before the scheduled start up of the disinfection function to preheat the tank NOTICE When the minimum water flow is lower than described in the table below the unit will...

Page 254: ...cover refrigerant Make sure the valves Y1E Y3E Y2S Y3S Y4S are open If they are not open during refrigerant recovery refrigerant remains trapped in the unit a Y2S Y3S Y4S Y3E Y1E a Service port 5 16 f...

Page 255: ...xpansion valves 4255 2 Recover refrigerant from the service port a 15 1 1 To manually open the electronic expansion valves Before recovering refrigerant make sure the electronic expansion valves are o...

Page 256: ...V3 EPRA14 18DAW1 H1P H7P 7 LEDs display BS1 BS4 Push buttons Operate the push buttons with an insulated stick such as a closed ballpoint pen to avoid touching of live parts To activate the recovery mo...

Page 257: ...es To deactivate the recovery mode After recovering refrigerant deactivate the recovery mode as follows Procedure 7 LEDs display a H1P H2P H3P H4P H5P H6P H7P 1 Press and hold BS1 for 5 seconds 2 Pres...

Page 258: ...e on the regional Daikin website publicly accessible The full set of latest technical data is available on the Daikin Business Portal authentication required In this chapter 16 1 Service space Outdoor...

Page 259: ...C D E HB HU HD 150 H U The symbols can be interpreted as follows A C Right side and left side obstacles walls baffle plates B Suction side obstacle wall baffle plate D Discharge side obstacle wall ba...

Page 260: ...r d Pinched pipe R5T Air heat exchanger middle e Refrigerant filter R6T Refrigerant liquid f One way valve R7T Compressor shell g Economiser heat exchanger R8T Compressor port h Service port 5 16 flar...

Page 261: ...d water IN screw connection 3 4 b2 DHW Hot water OUT screw connection 3 4 c1 Water IN from outdoor unit screw connection 1 c2 Water OUT to outdoor unit screw connection 1 d Pump e Backup heater f Shut...

Page 262: ...ctronic component assembly Electronic component assembly Front side view Front side view Indoor Indoor OFF OFF ON ON Outdoor Outdoor Position of compressor terminal Position of compressor terminal Pos...

Page 263: ...ng of the selector switch DS1 7 only for W1 models Ferrite core Z8C consists of 2 separate core parts Legend in case of V3 models A1P Printed circuit board main A2P Printed circuit board noise filter...

Page 264: ...essor suction R4T Thermistor air heat exchanger distributor R5T Thermistor air heat exchanger middle R6T Thermistor refrigerant liquid R7T Thermistor compressor shell R8T Thermistor compressor port R9...

Page 265: ...y E1HHEX Plate heat exchanger heater F1U Field fuse field supply F1U F7U A1P A2P Fuse H1P H7P A1P Light emitting diode service monitor is orange HAP A1P A2P Light emitting diode service monitor is gre...

Page 266: ...R11T Thermistor fin S1NPH High pressure sensor S1PH S2PH High pressure switch S1PL Low pressure switch T1A Current transfo V1R V2R A2P IGBT power module V3R A2P Diode module X1M X2M Terminal strip Y1E...

Page 267: ...itch box Wiring depending on model PCB Note 1 Connection point of the power supply for the BUH should be foreseen outside the unit Note 1 Connection point of the power supply for the backup heater sho...

Page 268: ...ranslation Position in switch box Position in switch box Legend A1P Main PCB A2P ON OFF thermostat PC power circuit A3P Heat pump convector A4P Digital I O PCB A8P Demand PCB A11P Main PCB of the MMI...

Page 269: ...y terminal strip X X A J X H X Y Connector X M Terminal strip Optional Field supply Translation of text on wiring diagram English Translation 1 Main power connection 1 Main power connection For HP tar...

Page 270: ...izone mixing kit Continuous Continuous current DHW pump output Domestic hot water pump output DHW pump Domestic hot water pump Electrical meters Electrical meters For HV smartgrid For high voltage Sma...

Page 271: ...lied by PCB Power limitation digital inputs 12 V DC 12 mA detection voltage supplied by PCB Space C H On OFF output Space cooling heating ON OFF output SWB Switch box 8 External On OFF thermostats and...

Page 272: ...or KRTW wired room thermostat 5 core for C H operation 4 core for H only operation 3 core for C H operation 2 core for H only operation communication 2 core OPTIONAL PART External room thermostat Heat...

Page 273: ...ting cooling circuit B Water flow rate through the unit in the space heating cooling circuit C Operation range D Minimum water flow during normal operation E Minimum water flow during backup heater op...

Page 274: ...t 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 instruc...

Page 275: ...16E 6V ETBX16E 9W ETVH16S18E 6V ETVH16S23E 6V ETVH16S18E 9W ETVH16S23E 9W ETVX16S18E 6V ETVX16S23E 6V ETVX16S18E 9W ETVX16S23E 9W ETVH16SU18E 6V ETVH16SU23E 6V Notes 1 6V 2 9W 3 ETB 4 ETV 5 X 6 H 7 SU...

Page 276: ...37 68 step 1 C 7 68 C 2 0C 2 37 55 step 1 C 55 C 2 8 3 9 03 R W 5 18 C step 1 C 7 C 2 8 4 9 02 R W 18 22 C step 1 C 22 C Main zone 2 9 C 07 R W 0 LWT control 1 Ext RT control 2 RT control 2 A C 05 R...

Page 277: ...nal zone 3 C R O 0 2 points 1 Slope Offset Space heating cooling Operation range 4 3 1 4 02 R W 14 35 C step 1 C 35 C 4 3 2 F 01 R W 10 35 C step 1 C 20 C Space heating cooling 4 4 7 02 R W 0 1 LWT zo...

Page 278: ...2 20 C step 1 C 10 C 5 B R W 0 Fixed 1 Weather dependent WD curve 5 C 0 0B R W 35 6 0E C step 1 C 55 C 5 C 0 0C R W 45 6 0E C step 1 C 8 Min 45 6 0E 6 0E C step 1 C 9 60 C 5 C 0 0D R W 10 25 C step 1...

Page 279: ...1 08 R W 9 03 9 02 C step 1 C 22 C 9 1 7 1 09 R W 9 03 9 02 C step 1 C 2 0C 0 18 C 2 0C 1 7 C 2 0C 2 18 C Additional zone 9 1 8 1 2 0D R W 0 Underfloor heating 1 Fancoil unit 2 Radiator 9 1 8 3 R W 0...

Page 280: ...20 95 min step 5 min 50 min 9 4 4 4 03 R W 0 Restricted 1 Allowed 2 Overlap 3 Compressor off 4 Legionella only Emergency 9 5 1 4 06 R W 0 Manual 1 Automatic 2 Auto red SH DHW ON 3 Auto red SH DHW OFF...

Page 281: ...100 pulse kWh 5 1000 pulse kWh 9 A 2 D 09 R W 0 No 1 0 1 pulse kWh 2 1 pulse kWh 3 10 pulse kWh 4 100 pulse kWh 5 1000 pulse kWh 6 100 pulse kWh PV meter 7 1000 pulse kWh PV meter Sensors 9 B 1 C 08 R...

Page 282: ...zone heating WD curve Leaving water value for low ambient temp for LWT add zone heating WD curve High ambient temp for LWT add zone heating WD curve Low ambient temp for LWT add zone heating WD curve...

Page 283: ...9 I 5 04 R W 0 20 C step 1 C 10 C 9 I 5 05 R W 0 50 A step 1 A 50 A 9 I 5 06 R W 0 50 A step 1 A 50 A 9 I 5 07 R W 0 50 A step 1 A 50 A What is the disinfection target temperature How long must the ta...

Page 284: ...9 01 9 00 step 1 C 35 C 9 I 8 0A R W 9 01 9 00 step 1 C 33 C 9 I 8 0B 13 What is the requested limit for DI4 The temperature difference determining the heat pump ON temperature The temperature differ...

Page 285: ...on 4 Circulation and disinfection 9 I D 03 R W 0 No 1 increase 2 C span 4 C 2 increase 4 C span 4 C 3 increase 2 C span 8 C 4 increase 4 C span 8 C 9 I D 04 R W 0 No 1 Pwr consmp ctrl 9 I D 05 R W 0 F...

Page 286: ...1 Enabled 9 I F 0A 0 9 I F 0B R W 0 No 1 Yes 9 I F 0C R W 0 No 1 Yes 9 I F 0D R W 0 Continuous 1 Sample 2 Request Bi zone kit settings 9 P 1 E 0B R W 0 not installed 1 2 Bizone kit installed 9 P 2 E 0...

Page 287: ...13 13...

Page 288: ...4P644737 1A 2022 03 Copyright 2021 Daikin Verantwortung f r Energie und Umwelt...

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