Daikin EPRA10EAV3 Installer'S Reference Manual Download

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Unit installation

Installer reference guide

EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1B – 2022.07

1×

If switch box is opened: Disconnect the ground connection from the top cover
of the switch box.

If necessary, remove the top cover. This is necessary in the following cases:

▪

Connecting water piping

▪

Connecting BIV or DB-kit

▪

Connecting backup heater

Summary of Contents for EPRA10EAV3

Page 1: ...Daikin Altherma 3 H MT ECH O EPRA08EAV3 EPRA10EAV3 EPRA12EAV3 EPRA08EAW1 EPRA10EAW1 EPRA12EAW1 ETSH12P30EF ETSH12P50EF ETSHB12P30EF ETSHB12P50EF ETSX12P30EF ETSX12P50EF ETSXB12P30EF ETSXB12P50EF https...

Page 2: ...3 3 Possible options for the indoor unit 29 6 Application guidelines 33 6 1 Overview Application guidelines 33 6 2 Setting up the space heating cooling system 34 6 2 1 Single room 35 6 2 2 Multiple r...

Page 3: ...connecting the water piping 90 8 2 2 Precautions when connecting the water piping 90 8 2 3 To connect the water piping 90 8 2 4 To connect a pressure vessel 95 8 2 5 To fill the heating system 95 8 2...

Page 4: ...Overview Commissioning 234 11 2 Precautions when commissioning 235 11 3 Checklist before commissioning 235 11 4 Checklist during commissioning 236 11 4 1 Minimum flow rate 236 11 4 2 Air purge functi...

Page 5: ...1 To manually open the electronic expansion valves 263 15 1 2 Recovery mode In case of 3N models 7 segments display 264 15 1 3 Recovery mode In case of 1N models 7 LEDs display 266 15 2 To drain the...

Page 6: ...und information for basic and advanced usage Format Digital files on https www daikin eu Use the search function to find your model Installation manual Outdoor unit Installation instructions Format Pa...

Page 7: ...ate the installation and configuration of heating systems To access Heating Solutions Navigator registration to the Stand By Me platform is required For more information see https professional standby...

Page 8: ...sheet Before performing maintenance and service tasks read the service manual For more information see the installer and user reference guide The unit contains rotating parts Be careful when servicing...

Page 9: ...to do and know to install the electrical components of the system including information on how to prepare for an installation Configuration What to do and know to configure the system after it is inst...

Page 10: ...sult in 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 tes...

Page 11: ...e 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 malfunction o...

Page 12: ...e more 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 inst...

Page 13: ...tion for 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 cov...

Page 14: ...rotector 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 befo...

Page 15: ...ding on 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 possi...

Page 16: ...te see 7 1 Preparing the installation site 466 WARNING Follow the service space dimensions in this manual for correct installation of the unit See 16 1 Service space Outdoor unit 4272 WARNING Follow t...

Page 17: ...ve the unit unattended when the service cover is removed DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING Piping installation see 8 Piping installation 486 DANGER RISK OF ELECTROCUTION Dur...

Page 18: ...n of glycols no automotive glycol is used because their corrosion inhibitors have a limited lifetime and contain silicates which can foul or plug the system galvanized pipes are NOT used in glycol sys...

Page 19: ...3 7 To remove the discharge grille and put the grille in safety position 481 WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the ap...

Page 20: ...SCALDING WARNING When carrying out an inspection on the switch box of the unit ALWAYS make sure that the unit is disconnected from the mains Turn off the respective circuit breaker When a safety devic...

Page 21: ...ance the path along which you want to bring the unit to its final installation position In this chapter 4 1 Outdoor unit 21 4 1 1 To handle the outdoor unit 21 4 1 2 To unpack the outdoor unit 22 4 1...

Page 22: ...B 12P30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 Manually After unpacking carry the unit using the slings attached to the unit See also 4 1 2 To unpack the outdoor unit 422 7 3 4 To insta...

Page 23: ...i j f g 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 temper...

Page 24: ...nt it from falling 4 2 Indoor unit At delivery the unit MUST be checked for damage and completeness Any damage or missing parts MUST be reported immediately to the claims agent of the carrier Bring th...

Page 25: ...Venting hose j Drain pan hose k Drain pan hose clamp l Cable fixation for strain relief m Cable tie n Switch box metal insert o Screw for switch box metal insert p General safety precautions q Addendu...

Page 26: ...663478 1B 2022 07 a Screw plug b Assembly wrench c Handle 1 Open the screw plugs on the front and back of the tank 2 Attach the handles horizontally and turn by 360 3 Use the handles to carry the unit...

Page 27: ...door unit 28 5 3 2 Possible options for the outdoor unit 29 5 3 3 Possible options for the indoor unit 29 5 1 Overview About the units and options This chapter contains information about Identifying t...

Page 28: ...Floor standing hydro split unit with integrated pressureless storage tank H H Heating only X Heating cooling B Integrated heat exchanger for bivalent heat generator 12 Capacity class P Integrated tank...

Page 29: ...m book for optional equipment Room thermostat EKRTWA EKRTR1 EKRTRB You can connect an optional room thermostat to the indoor unit This thermostat can either be wired EKRTWA or wireless EKRTR1 EKRTRB F...

Page 30: ...ndoor unit and a PC It gives the possibility to update the software of the indoor unit For installation instructions see the installation manual of the PC cable 10 1 2 To connect the PC cable to the s...

Page 31: ...stallation instructions see 9 3 13 To connect a Smart Grid 4134 Backup Heater EKECBU For installations without a bivalent heat source oil or gas the installation of a backup heater is mandatory Only o...

Page 32: ...is working you can install a recirculation kit For installation instructions see the installation manual of the recirculation kit Dirt Separator 156021 or 156023 It is recommended to install a dirt s...

Page 33: ...56 6 4 5 DHW pump for disinfection 57 6 5 Setting up the energy metering 57 6 5 1 Produced heat 58 6 5 2 Consumed energy 58 6 5 3 Normal kWh rate power supply 58 6 5 4 Preferential kWh rate power supp...

Page 34: ...thermostat ON OFF signal voltage free contact closed 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 emit...

Page 35: ...ion Setting 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 temperatu...

Page 36: ...hermostat optional equipment EKRTR1 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 t...

Page 37: ...ectors For more information see The installation manual of the heat pump convectors The installation manual of the heat pump convector options The addendum book for optional equipment The space heatin...

Page 38: ...g the electrical wiring to the unit see 9 2 Connections to the outdoor unit 4107 9 3 Connections to the indoor unit 4115 The heat pump convectors are directly connected to the indoor unit A shut off v...

Page 39: ...t pump system Comfort 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 Mul...

Page 40: ...tly connected to the indoor unit The room temperature of the main room is controlled by the dedicated Human Comfort Interface BRC1HHDA used as room thermostat A thermostatic valve is installed before...

Page 41: ...able operation provide a minimum water flow as described in table To check the water volume and flow rate in 8 1 Preparing water piping 486 The user interface integrated in the indoor unit decides the...

Page 42: ...of the heat pump convectors The installation manual of the heat pump convector options The addendum book for optional equipment The user interface integrated in the indoor unit decides the space oper...

Page 43: ...ng A shut off valve to prevent hot water supply when the room has no heating demand A shut off valve to prevent condensation on the floor during cooling operation of the rooms with heat pump convector...

Page 44: ...st design temperature in cooling Additional zone Zone with the highest design temperature in heating and the lowest design temperature in cooling CAUTION If there is more than one leaving water zone A...

Page 45: ...for main zone B C a a f A E D b c g d e h 3 System with hydraulic separator for both zones For this system a direct pump is required for the additional zone B C a a f A E D b c g d e i h A Additional...

Page 46: ...quest of the room The room temperature is controlled by the dedicated Human Comfort Interface BRC1HHDA used as room thermostat Ensure water circulation is possible in main zone when shut off valves ar...

Page 47: ...4 4 Code 7 02 1 Dual zone Main additional In case of heat pump convectors External room thermostat for the additional zone 3 A Code C 06 1 1 contact When the used external room thermostat or heat pump...

Page 48: ...mfort for each individual installation INFORMATION For systems without indirect auxiliary boiler connected to the storage tank it is mandatory to install an electric backup heater to ensure safe opera...

Page 49: ...etermined automatically depending on the outdoor temperature During heating operation of the auxiliary boiler the auxiliary boiler operates to achieve the desired water temperature set via the auxilia...

Page 50: ...nit air thermistor install the outdoor unit in the shadow so that it is NOT influenced or turned ON OFF by direct sunlight Frequent changeover may cause corrosion of the auxiliary boiler Contact the m...

Page 51: ...uxiliary gas boiler must have a fixed setpoint 55 C or a weather dependent setpoint Tmin 0 30 25 20 15 10 5 0 5 20 30 40 50 60 10 Ta C Tmin C Ta Outdoor temperature Tmin Minimum weather dependent setp...

Page 52: ...gnal on the indoor unit X12M 3 and X12M 4 See 9 3 10 To connect the changeover to external heat source 4130 Configuration Via the user interface configuration wizard Set the use of an indirect bivalen...

Page 53: ...gradient of the solar piping MUST be guaranteed This is to allow the solar system to completely drain and thereby to avoid frost damages Configuration Via the user interface Select whether all other...

Page 54: ...the user interface configuration wizard Set the backup heater voltage Set the capacity steps if applicable 6 4 Setting up the storage tank 6 4 1 System layout Integrated storage tank b a A A Domestic...

Page 55: ...500 46 C 240 l of mixed water at 40 C 55 C 410 l of mixed water at 40 C Energy saving tips If the DHW consumption differs from day to day you can program a weekly schedule with different desired stora...

Page 56: ...ent heat source see 6 3 Setting up bivalent heat sources 448 For more information about optimizing the energy consumption for producing domestic hot water see 10 Configuration 4142 6 4 4 DHW pump for...

Page 57: ...during disinfection see 2 03 in the field settings table you can connect a DHW pump and heater element as shown above If applicable legislation requires disinfection of the water piping until the tap...

Page 58: ...kup heater and measuring the consumed energy example for outdoor unit If you do so the energy data will be invalid Calculating the consumed energy The consumed energy is calculated internally based on...

Page 59: ...W Three phase 9W 3N 400 V Example Single phase power meter Three phase power meter b 580 1 50 0 0 c c f e d A B a c A Outdoor unit B Indoor unit a Electrical cabinet L1 N b Power meter L1 N c Fuse L1...

Page 60: ...sures the rest i e indoor unit and backup heater Setup Connect power meter 1 to X15M 5 and X15M 6 Connect power meter 2 to X15M 9 and X15M 10 See 9 3 6 To connect the electricity meters 4126 Power met...

Page 61: ...nguage Allows you to comply with BBR16 regulations Swedish energy regulations Limitation of power in kW Can be combined with the other kW power consumption controls If you do so the unit uses the most...

Page 62: ...ful in combination with an energy management system The power or current of the entire Daikin system is limited dynamically by digital inputs maximum four steps Each power limitation level is set via...

Page 63: ...e of limitation power in kW or current in A Set the desired power limitation level corresponding to each digital input INFORMATION In case more than 1 digital input is closed at the same time the digi...

Page 64: ...imitation 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...

Page 65: ...refore 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 th...

Page 66: ...unit 77 7 3 5 To provide drainage 78 7 3 6 To install the discharge grille 80 7 3 7 To remove the discharge grille and put the grille in safety position 81 7 3 8 To prevent the outdoor unit from falli...

Page 67: ...outlet 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 installatio...

Page 68: ...nal refrigerant 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 cyc...

Page 69: ...on 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 the snow If necessary install a snow cover or shed and a pedes...

Page 70: ...erviceability may be impacted if the indicated clearances cannot be maintained INFORMATION If you have limited installation space do the following before installing the unit in its final position 7 4...

Page 71: ...F ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed 7 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING 1 1 2 3 3 1 1 2 3 4 3 7 2...

Page 72: ...over piece see the installation manual topic To attach the compressor cover piece 7 2 4 To attach the compressor cover piece Required accessory delivered with the unit Compressor cover piece 1 Put the...

Page 73: ...2 6 To open the indoor unit NOTICE The top cover can only be removed if the switch box is lowered Overview a b a User interface panel b Switch box cover Open 1 Remove the user interface panel Open the...

Page 74: ...p cover of the switch box 1 7 2 7 To lower the switch box of the indoor unit and remove the top cover During the installation you will need access to the inside of the indoor unit To have easier front...

Page 75: ...Altherma 3 H MT ECH O 4P663478 1B 2022 07 1 4 If switch box is opened Disconnect the ground connection from the top cover of the switch box 5 If necessary remove the top cover This is necessary in th...

Page 76: ...utdoor unit before you can connect the water piping Typical workflow Mounting the outdoor unit typically consists of the following stages 1 Providing the installation structure 2 Installing the outdoo...

Page 77: ...he unit is positioned at least 100 mm above the maximum expected level of snow Anchor points 800 mm 479 Pedestal When installing on a pedestal make sure that the discharge grille still can be put in i...

Page 78: ...ts slings and put it onto the installation structure 120 kg 4 2 Fix the unit to the installation structure 4 M12 3 Remove the slings and screws and dispose of them 4 7 3 5 To provide drainage Make sur...

Page 79: ...it and to avoid drain water dripping see the following figure NOTICE If the unit is installed in a cold climate take adequate measures so that the evacuated condensate CANNOT freeze We recommend to do...

Page 80: ...g Before installing the discharge grille connect the electrical wiring Install the lower part of the discharge grille 1 Insert the hooks 2 Insert the ball studs 1 2 3 Fix the 2 lower screws 3 2 5 N m...

Page 81: ...9 6 5 N m 7 3 7 To remove the discharge grille and put the grille in safety position WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers t...

Page 82: ...30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 4 2 Remove the lower part of the discharge grille 4 3 Rotate the lower part of the discharge grille 4 Align the ball stud and hook on the grill...

Page 83: ...following illustration field supply 2 Place the 2 cables over the outdoor unit 3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint field sup...

Page 84: ...or unit into position NOTICE Level Make sure the unit is level 7 4 4 To connect the drain hose to the drain Spillover water from the water storage tank as well as water collecting in the drain pan mus...

Page 85: ...herma 3 H MT ECH O 4P663478 1B 2022 07 a a Drain pan hose 7 Connect the pressure relief valve to an appropriate drain in accordance with the applicable legislation Ensure that any steam or water that...

Page 86: ...into the piping can lead to excessive corrosion Connecting piping Legislation Make all piping connections in accordance with the applicable legislation and the instructions in the Installation chapte...

Page 87: ...are compatible with water used in the system and with the materials used in the indoor unit Field supply components Water pressure and temperature Check that all components in the field piping can wit...

Page 88: ...ipes or non diffusion proof floor heating pipes it is necessary to install a magnetic filter dirt separator into the return flow of the system If the indoor unit is connected to a domestic cold water...

Page 89: ...lume of the outdoor unit NOT included INFORMATION In critical processes or in rooms with a high heat load extra water might be required M2 a a a M3 M1 b b a Individual room thermostat optional b Shut...

Page 90: ...ly consists of the following stages 1 Connecting the water piping to the outdoor unit 2 Connecting the water piping to the indoor unit 3 Connecting the recirculation piping 4 Install pressure vessel a...

Page 91: ...e shut off valve 3 Connect the field piping to the outdoor unit water outlet NOTICE About the shut off valve with integrated filter delivered as accessory The installation of the valve at the water in...

Page 92: ...orce do NOT use tools re install the thermal insulation in reverse order 2 3 1 1 3 Connect the shut off valves using the flat gaskets accessory bag to the space heating cooling water pipes of the indo...

Page 93: ...2 6 Cut open the top cover If the space heating cooling or the domestic hot water pipes are directed upwards the top cover must be cut along the perforation with a suitable tool 7 Support the water pi...

Page 94: ...s on the space heating cooling water in and out connections as well as on the domestic cold water in and domestic hot water out connections These shut off valves are field supplied NOTICE To avoid dam...

Page 95: ...connected to the tank is subjected to this high pressure To prevent this a pressure relief valve needs to be installed The overpressure prevention depends on the correct operation of the field instal...

Page 96: ...rding to the instructions see To purge the air out of the unit with the manual air vent valves 4238 3 Open the water tap 4 Open fill and drain valve and monitor the manometer 5 Fill the system with wa...

Page 97: ...eeze protection valves Possible consequence Glycol leaking out of the freeze protection valves Freeze protection by glycol About freeze protection by glycol Adding glycol to the water lowers the freez...

Page 98: ...g from freezing NOTICE The required concentration might differ depending on the type of glycol ALWAYS compare the requirements from the table above with the specifications provided by the glycol manuf...

Page 99: ...oint For example an automatic air purge b Protection for the field piping Install the freeze protection valves At all lowest points of the field piping In the coldest part of the field piping away fro...

Page 100: ...n 8 2 7 To fill the heat exchanger inside the storage tank Following heat exchanger have to be filled with water before the storage tank can be filled The domestic hot water heat exchanger NOTICE To f...

Page 101: ...ection 2 Fill the storage tank until water spills from the spillover connection 3 Remove the hose b a a c b a Drainback connection b Spillover connection c Hose with non return valve 1 2 With installe...

Page 102: ...low 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 Hyd...

Page 103: ...e electricity meters 126 9 3 7 To connect the domestic hot water pump 127 9 3 8 To connect the alarm output 128 9 3 9 To connect the space cooling heating ON OFF output 129 9 3 10 To connect the chang...

Page 104: ...eating electrical shock or fire Do NOT install a phase advancing capacitor because this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WA...

Page 105: ...asher 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 M4 X1M 1 2 M4 X12M X15M 0 88 10 Indoor unit BUH opt...

Page 106: ...her it is appropriate to connect the equipment in one of the preferential kWh rate power supply delivery systems available if any When the equipment is connected to such preferential kWh rate power su...

Page 107: ...h 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 supply a No...

Page 108: ...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 supply cable field supply b1 b2 Interconnection cable field supply c1 c2 optional...

Page 109: ...ower 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 supply 2 Interconnection cable...

Page 110: ...Optional 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 an...

Page 111: ...nect X804A 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...

Page 112: ...K BLU YLW 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...

Page 113: ...Optional 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 an...

Page 114: ...B 12P30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 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 Re...

Page 115: ...ut 4128 Space cooling heating operation control See 9 3 9 To connect the space cooling heating ON OFF output 4129 Changeover to external heat source control See 9 3 10 To connect the changeover to ext...

Page 116: ...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 additional zone 3 A Ext thermost...

Page 117: ...ermostat without multi zoning base unit Installation manual of the wired room thermostat Addendum book for optional equipment Wired room thermostat with multi zoning base unit Installation manual of t...

Page 118: ...2022 07 If the switch box is lowered in service position while the electrical installation is done additional cable length has to be taken into account adequately The cable routing in normal position...

Page 119: ...le cables are connected to one of the terminals Otherwise the cables could be too short X12M 9 3 2 To connect the main power supply 1 Open the following see 7 2 6 To open the indoor unit 473 1 User in...

Page 120: ...b Power supply indoor unit In case of preferential kWh rate power supply Interconnection cable Wires 3 GND 1 5 mm Power supply indoor unit Wires 1N GND Maximum running current 6 3 A Preferential kWh...

Page 121: ...y contact 3 Fix the cable with cable ties to the cable tie mountings General information see 9 3 1 To connect the electrical wiring to the indoor unit 4117 9 3 3 To connect the backup heater power sup...

Page 122: ...A a Electrical equipment complying with EN IEC 61000 3 12 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage syst...

Page 123: ...EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 X6M SWB2 3V 3V 1N 230 V 6V 6V 1N 230 V 9W 3N 400 V 1N 50 Hz 230 V AC SWB2 Q1DI N L 1 2 3 4 F1B 20A I I X6M Model power supply Connections to backup...

Page 124: ...AC SWB2 Q1DI L1 L2 L3 N X6M 1 2 3 4 5 6 F1B 20A I I I F1B Overcurrent fuse field supply Recommended fuse tripping class C Q1DI Earth leakage circuit breaker field supply SWB Switch box X6M Terminal f...

Page 125: ...FORMATION Shut off valve usage example In case of one LWT zone and a combination of underfloor heating and heat pump convectors install a shut off valve before the underfloor heating to prevent conden...

Page 126: ...lectricity meters Wires 2 per meter 0 75 mm Electricity meters 12 V DC pulse detection voltage supplied by PCB 9 A Energy metering INFORMATION In case of an electricity meter with transistor output ch...

Page 127: ...1 To connect the electrical wiring to the indoor unit 4117 9 3 7 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 p...

Page 128: ...ral information see 9 3 1 To connect the electrical wiring to the indoor unit 4117 9 3 8 To connect the alarm output Wires 2 0 75 mm Maximum load 0 3 A 230 V AC Maximum load 1 A 5 V DC 9 D Alarm outpu...

Page 129: ...To connect the electrical wiring to the indoor unit 4117 9 3 9 To connect the space cooling heating ON OFF output INFORMATION Cooling is only applicable in case of reversible models Wires 2 0 75 mm M...

Page 130: ...indoor unit 4117 9 3 10 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 ro...

Page 131: ...mountings General information see 9 3 1 To connect the electrical wiring to the indoor unit 4117 9 3 11 To connect the power consumption digital inputs Wires 2 per input signal 0 75 mm Power limitati...

Page 132: ...07 1 2 3 3 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below A B B A A8P M 1 0 8 X 1 2 3 4 5 1 2 4 5 S 6 S S 7 S S 8 S S 9 S 3 a 4 Fix...

Page 133: ...of 15 V DC 10 mA 9 8 1 3 Benefit kWh power supply Safety thermostat 1 Open the following see 7 2 6 To open the indoor unit 473 1 User interface panel 1 3 4 2 2 Switch box 3 Switch box cover 4 Top cove...

Page 134: ...ty thermostat after it is installed Without configuration the unit will ignore the safety thermostat contact 9 3 13 To connect a Smart Grid This topic describes 2 possible ways to connect the indoor u...

Page 135: ...5 S S 10 4 3 X 5M 1 S S 4 10 9 a 2 1 a Jumper factory mounted If you also connect a safety thermostat Q4L replace the jumper with the safety thermostat wires S4S Smart Grid pulse meter 1 S10S Low volt...

Page 136: ...3 4 K1A L N L N STEP 3 a b c d e f STEP 1 STEP 2 A1 A2 25 24 25 23 X1 M 2 K2A A1 A2 2 1 STEP 1 Smart Grid relay kit installation STEP 2 Low voltage connections STEP 3 High voltage connections 1 High...

Page 137: ...stallation Installer reference guide 137 EPRA08 12EAV3 W1 ETSH X B 12P30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 X M 10 K1A X10M K2A 3 Install the components of the Smart Grid relay kit...

Page 138: ...Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 K1A K2A X15M X12M X 5M M X 1 12 3 4 5 6 X15M 3 X12M 23 X12M 24 X12M 25 X12M 25 X15M 5 X15M 4 X15M 6 23 24 25 4 Connect the low voltage wiring as follo...

Page 139: ...25 X M 12 24 X M 12 25 X M 12 23 1 2 23 L2 L1 N N 6 Fix the cable with cable ties to the cable tie mountings General information see 9 3 1 To connect the electrical wiring to the indoor unit 4117 9 3...

Page 140: ...oor unit 473 1 User interface panel 1 3 4 2 2 Switch box 3 Switch box cover 4 Top cover 2 Connect the solar input cable as shown in the illustration below A A B B 13 14 X 5M 1 13 14 Solar input 3 Fix...

Page 141: ...ser interface panel 1 3 4 2 2 Switch box 3 Switch box cover 4 Top cover 2 Connect the DHW signal cable as shown in the illustration below A B X 2M 1 11 12 A B DHW output Max load 0 3 A 230 V AC 12 11...

Page 142: ...t curves 160 10 5 Settings menu 162 10 5 1 Malfunctioning 162 10 5 2 Room 162 10 5 3 Main zone 166 10 5 4 Additional zone 176 10 5 5 Space heating cooling 181 10 5 6 Tank 190 10 5 7 User settings 195...

Page 143: ...rent methods 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...

Page 144: ...ings can 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 perm...

Page 145: ...AB4 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 X10A 3 Pay special attention to the posi...

Page 146: ...ber of zones 4 4 10 5 5 Space heating cooling 4181 Glycol Filled system overview field setting E 0D 10 5 9 Installer settings 4202 Solar 9 2 4 10 5 9 Installer settings 4202 Backup heater Voltage 9 3...

Page 147: ...ating 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 4190 Hysteresis 5 9 10 3 Possible screens 10 3 1 Possible...

Page 148: ...gh the list of the main menu Go to the main menu screen Enable disable breadcrumbs Item Description a Domestic hot water a1 Domestic hot water a2 55 Measured tank temperature a b Disinfection Powerful...

Page 149: ...No room thermostat installed or set Unit operation is decided based on the leaving water temperature regardless of the actual room temperature and or heating demand of the room i2 Installed heat emit...

Page 150: ...st Enter the submenu Enable disable breadcrumbs Submenu Description 0 or Malfunctioning Restriction Only displayed if a malfunction occurs See 14 4 1 To display the help text in case of a malfunction...

Page 151: ...r the installer Perform tests and maintenance B User profile Change the active user profile C Operation Turn heating cooling functionality and domestic hot water preparation on or off D Wireless gatew...

Page 152: ...scription Minimum temperature 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...

Page 153: ...le if room thermostat control is active If leaving water temperature control is active you can program the main zone schedule instead 1 Go to the schedule 2 optional Clear the content of the whole wee...

Page 154: ...r defined 1 2 Select Edit Delete Edit Copy 3 Use the left dial to select an entry and edit the entry with the right dial You can program up to 6 actions each day On the bar a high temperature has a da...

Page 155: ...ser defined 1 2 Select Copy Delete Edit Copy Result Next to the copied day C is displayed 3 Select Tuesday Mon Sat Wed Fri Thu Tue Sun User defined 1 C 4 Select Paste Delete Edit Copy Paste Result Mon...

Page 156: ...r defined 1 C To rename the schedule 1 Select the name of the current schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 2 Select Rename Delete Rename Select 3 optional To delete the current schedule...

Page 157: ...e To be able to compensate for differences in temperature the unit relies on its weather dependent curve This curve defines how much the temperature of the tank or leaving water must be at different o...

Page 158: ...changes and proceed 10 4 3 Slope offset curve Slope and offset Define the weather dependent curve by its slope and offset Change the slope to differently increase or decrease the temperature of the le...

Page 159: ...erature at X1 is unequally higher than the preferred temperature at X2 When offset is changed the new preferred temperature at X1 is equally higher as the preferred temperature at X2 c Slope d Offset...

Page 160: ...int mode WD heating fixed cooling OR Weather dependent Main zone Cooling 2 4 Main zone Setpoint mode Weather dependent Additional zone Heating 3 4 Additional zone Setpoint mode WD heating fixed coolin...

Page 161: ...maximum or minimum setpoint is reached the curve flattens out To fine tune the weather dependent curve slope offset curve The following table describes how to fine tune the weather dependent curve of...

Page 162: ...ing Room Operation User profile Main zone 0 Malfunctioning 10 5 2 Room Overview The following items are listed in the submenu 1 Room Main zone Malfunctioning Operation Additional zone 1 Room Setpoint...

Page 163: ...2 9 Control External room thermostat and C 2 Space heating cooling Off or if 2 9 Control Leaving water In the above cases Antifrost will heat the space heating water to a reduced setpoint when the ou...

Page 164: ...mode Heating The unit will supply leaving water to the heat emitters to heat up the room according to normal logic Space heating cooling On and Operation mode Cooling There is no room frost protectio...

Page 165: ...t will supply leaving water to the heat emitters to heat up the room again Code Description 1 4 1 2 06 Activation 0 No Antifrost functionality is OFF 1 Yes Antifrost functionality is on 1 4 2 2 05 Roo...

Page 166: ...Human Comfort Interface BRC1HHDA used as room 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 sen...

Page 167: ...nt screen 2 Main zone See 10 3 5 Setpoint screen 4151 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 f...

Page 168: ...rature 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 Descri...

Page 169: ...erature 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 drops below the low ambient temperature 9 01 C 9 00 C Not...

Page 170: ...water is required 1 09 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 03 C 9 02 C Note This value should be lower than 1 08 as for...

Page 171: ...t that 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 z...

Page 172: ...ign and 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 to...

Page 173: ...om thermostat 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 E...

Page 174: ...een leaving water temperature setpoint and inlet temperature at startup INFORMATION If the main zone or the additional zone has a heating demand and this zone is equipped with radiators then the targe...

Page 175: ...an only be read out on the user interface 2 C 2 8 06 Max modulation 0 C 10 C This is the temperature value by which the desired leaving water temperature is increased or decreased INFORMATION When lea...

Page 176: ...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 INFORMATION The setting F 0B is only valid when there is a thermostat or...

Page 177: ...mperature for the additional zone via setpoint screen 3 Additional zone See 10 3 5 Setpoint screen 4151 Schedule Indicates if the desired leaving water temperature is according to a schedule See 10 5...

Page 178: ...oor temperature 0 03 Low outdoor ambient temperature 40 C 5 C 0 02 High outdoor ambient temperature 10 C 25 C 0 01 Desired leaving water temperature when the outdoor temperature equals or drops below...

Page 179: ...eratures less cold water is required 0 04 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 07 C 9 08 C Note This value should be lowe...

Page 180: ...C 3 8 3 9 07 Cooling minimum 5 C 18 C 3 8 4 9 08 Cooling maximum 18 C 22 C Control The control type for the additional zone is read only It is determined by the control type of the main zone See 10 5...

Page 181: ...t see 10 4 3 Slope offset curve 4158 In 2 E WD curve type you can choose which method you want to use In 3 C WD curve type the chosen method is shown read only same value as in 2 E Code Description 2...

Page 182: ...he unit is in heating mode the icon is shown When the unit is in cooling mode the icon is shown The status indicator shows if the unit is currently in operation When the unit is not in operation the s...

Page 183: ...raged If the outdoor temperature drops the operation mode will switch to heating and vice versa If the outdoor temperature is between the Space heating off temperature and the Space cooling off temper...

Page 184: ...ubtracted by the offset value thus 24 4 20 C Guard timer to prevent too frequent changing from heating to cooling and vice versa Code Description Changeover settings related to the indoor temperature...

Page 185: ...ing station NOTICE NOT configuring the system in the following way can cause damage to the heat emitters If there are 2 zones it is important that in heating the zone with the lowest water temperature...

Page 186: ...n Remark Continuous pump operation requires more energy than sample or request pump operation a b c d b c a Space heating cooling control b Off c On d Pump operation 4 5 F 0D 1 Sample The pump is ON w...

Page 187: ...g only Pump limitation The pump speed limitation defines the maximum pump speed In normal conditions the default setting should NOT be modified The pump speed limitation will be overruled when the flo...

Page 188: ...ump speed limitation is applicable When there is heating output the pump speed is only determined by delta T in relation to the required capacity With this limitation range delta T is possible and the...

Page 189: ...operation 0 Disabled if outdoor temperature is higher than 4 02 or lower than F 01 depending on heating cooling operation mode 1 Possible at all outdoor temperatures Increase around 0 C Use this setti...

Page 190: ...ng cooling Additional zone Information 5 Tank Setpoint screen 5 1 Powerful operation 5 5 Schedule 5 6 Heat up mode 5 7 Disinfection 5 8 Maximum 5 9 Hysteresis 5 B Setpoint mode 5 C WD curve 5 D Margin...

Page 191: ...ng cooling interruptions will happen Schedule You can set the tank temperature schedule using the schedule screen For more information about this screen see 10 3 7 Schedule screen Example 4153 Heat up...

Page 192: ...n field setting 2 03 after a disinfection operation When the high domestic hot water temperature can be a potential risk for human injuries a mixing valve field supply shall be installed at the domest...

Page 193: ...t the temperatures at the hot water taps INFORMATION During disinfection of the water inside the domestic hot water heat exchanger coil by periodically heating the storage tank to a specific temperatu...

Page 194: ...e high ambient temperature 35 C 6 0E C Margin In domestic hot water operation the following hysteresis value can be set for the heat pump operation Code Description 5 D 6 01 The temperature difference...

Page 195: ...TDHW Domestic hot water temperature TU User setpoint temperature as set on the user interface t Time INFORMATION The maximum heat pump temperature depends on the ambient temperature For more informat...

Page 196: ...holiday mode is active space heating cooling operation and domestic hot water operation will be turned off Room frost protection and anti legionella operation will remain active Typical workflow Using...

Page 197: ...se quiet mode 1 Go to 7 4 1 User settings Quiet Mode 2 Do one of the following If you want to Then Completely deactivate quiet mode Select Off Manually activate a quiet mode level Select the applicabl...

Page 198: ...ttings Gas price 2 Select the correct gas price 3 Confirm the changes INFORMATION Price value ranging from 0 00 990 valuta kWh with 2 significant values To set the electricity price 1 Go to 7 5 1 7 5...

Page 199: ...e the value for the gas price with the following formula Actual gas price Incentive kWh 0 9 For the procedure to set the gas price see To set the gas price 4198 To set the electricity price in case of...

Page 200: ...heating space cooling and storage tank heating Additionally the storage tank heat provided e g by a solar system used for space heating can be read out Produced heat Tank This heat is NOT included in...

Page 201: ...a3 Backup heater is activated a4 Boiler is activated b Actuator status b1 Pump is running b2 Heat pump is operating b3 Backup heater is activated b4 Tank valve is turning Valve position b5 Bypass val...

Page 202: ...Actuators Status mode of each actuator Example Domestic hot water pump ON OFF 8 6 Operation modes Current operation mode Example Defrost oil return mode 8 7 About Version information about the system...

Page 203: ...efrost 9 I Overview field settings 9 N Export MMI settings 9 O Intelligent tank management 9 P Bizone kit Configuration wizard After first power ON of the system the user interface will guide you usin...

Page 204: ...hedule 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 the pump during periods of the...

Page 205: ...ity of the second step in emergency Code Description 9 3 3 4 0A 0 Relay 1 1 Relay 1 Relay 1 2 2 Relay 1 Relay 2 3 Relay 1 Relay 2 Emergency Relay 1 2 INFORMATION Settings 9 3 3 and 9 3 5 are linked Ch...

Page 206: ...ration Maximum capacity Code Description 9 3 9 4 07 Maximum capacity that should be delivered by the backup heater Range 1 kW 3 kW Step 1 kW Equilibrium Code Description 9 3 6 5 00 Equilibrium Deactiv...

Page 207: ...al interaction When Emergency is set to Automatic and a heat pump failure occurs the backup heater or boiler automatically takes over the domestic hot water production and space heating When Emergency...

Page 208: ...perates as emergency heater independent of the boiler capacity For small capacity boilers this may lead to capacity shortages in case of emergency If the boiler is directly connected to the space heat...

Page 209: ...eated with the backup heater If an auxiliary boiler is connected to the tank At ambient temperatures below 5 03 only the boiler is used for domestic hot water heating 9 6 2 5 03 Priority temperature U...

Page 210: ...ration Domestic hot water heating stops even when the target domestic hot water temperature is NOT reached The actual maximum running time also depends on setting 8 04 When Control Room thermostat Thi...

Page 211: ...em does not have a booster heater Only set D 00 to the values in the table below D 00 Backup heater Compressor 0 Forced OFF Forced OFF 2 Allowed Smart Grid operation modes The 2 incoming Smart Grid co...

Page 212: ...ve buffering with electrical heater is NOT possible in Forced on and Recommended on operation modes Code Description 9 8 2 D 00 Restriction Only applicable if 9 8 4 is NOT set to Smart grid Allow heat...

Page 213: ...estart 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 u...

Page 214: ...is available the following happens The pulse meter measures the power produced by the photovoltaic panels The unit limits its power consumption during the Smart Grid s Recommended ON mode to only use...

Page 215: ...n case of full time current limitation mode 0 A 50 A Limits when 9 9 1 Inputs and 9 9 2 Amp Code Description 9 9 4 5 05 Limit 1 0 A 50 A 9 9 5 5 06 Limit 2 0 A 50 A 9 9 6 5 07 Limit 3 0 A 50 A 9 9 7 5...

Page 216: ...he booster heater will be limited first before the backup heater is limited Note In case power consumption control is DISABLED for all models the setting 4 01 defines whether backup heater and booster...

Page 217: ...meters configure the settings as described below Select the pulse frequency output of each power meter in accordance with the power meter specifications It is possible to connect up to 2 power meters...

Page 218: ...Remark This value has only meaning in room thermostat control Ext amb sensor offset ONLY applicable in case an external outdoor ambient sensor is connected and configured You can calibrate the externa...

Page 219: ...ct DHW SH Set this value in case that the auxiliary boiler is connected to the storage tank and the heat generated by the auxiliary boiler should be used for domestic hot water heating as well as spac...

Page 220: ...or space heating switch over Based on the settings above the heat pump system 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 temperatu...

Page 221: ...er the boiler will be activated depends on the intelligent tank management settings Electricity and gas prices PE factor 7 03 INFORMATION To set electricity and gas price values do NOT use overview se...

Page 222: ...ut will NOT be powered when an alarm occurs See also table below Alarm output logic Alarm output logic C 09 Alarm No alarm No power supply to unit 0 Closed output Open output Open output 1 Open output...

Page 223: ...wer saving function setting E 08 needs to be enabled on the user interface Code Description 9 F E 08 Power saving function for outdoor unit 0 No 1 Yes Disable protections INFORMATION Protective functi...

Page 224: ...eshooting these settings can be provided to our Service department Code Description 9 N N A Your MMI settings will be exported to the connected storage device Back OK To export MMI settings 1 Open the...

Page 225: ...the two operation modes Higher hysteresis values lead to an increase in boiler operation and the space heating support starts only at higher tank temperatures t HP 7 0D 3 C 6 00 TB o Tset THP on P H...

Page 226: ...heating NOTICE If both solar energy and indirect auxiliary boiler is available make sure that 7 0E 7 0D Tank capacity limitation Code Description 9 O 3 F 0E Limiting the capacity used for tank heatin...

Page 227: ...storage tank temperatures Code Description 9 O 5 F 08 0 No Space heating is interrupted while the heat pump is in defrost operation 1 Yes Space heating is provided from energy stored in the tank whil...

Page 228: ...s A bizone kit is installed in order to add an additional temperature zone Bizone kit system type Code Description 9 P 2 E 0C Bizone system type 0 Without hydraulic separator no direct pump b a 1 With...

Page 229: ...t 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 Operation 4230 Code Description 9 P 5 7 0C Mix...

Page 230: ...N settings are only visible when a WLAN cartridge is inserted in the user interface About the WLAN cartridge The WLAN cartridge connects the system to the internet The user can then control the system...

Page 231: ...N You can only use this function if it is supported by the software version of the WLAN and the software version of the ONECTA app Remove from cloud Remove the WLAN cartridge from the cloud Code Descr...

Page 232: ...Hours Minutes Year Month Day Daylight savings time Format 7 3 Holiday Activation From Till 7 4 Quiet Mode Schedule Level 7 5 Electricity price High Medium Low Schedule 5 Tank Powerful operation Sched...

Page 233: ...Smart grid operation mode Allow electrical heaters Limit setting kW Enable room buffering Allow heater Allow pump 9 9 Power consumption control Power consumption control Type Limit Limit 1 Limit 2 Li...

Page 234: ...st 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 on The protec...

Page 235: ...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 is properly mounted...

Page 236: ...d in all conditions See To check the water volume and flow rate in 8 1 Preparing water piping 486 To perform an air purge To perform a test run To perform an actuator test run Underfloor screed dryout...

Page 237: ...must be performed for both space heating and tank domestic hot water circuits Automatic The unit automatically changes the pump speed and fixes the two mixing valves tank and bypass valve at middle po...

Page 238: ...Conditions Make sure all operation is disabled Go to C Operation and turn off Space heating cooling and Tank operation 1 Set the user permission level to Installer See To change the user permission l...

Page 239: ...est run Purpose Perform test runs on the unit and monitor the leaving water and tank temperatures to check if the unit is working correctly The following test runs should be made Heating Cooling if ap...

Page 240: ...peration and turn off Space heating cooling and Tank operation 1 Set the user permission level to Installer See To change the user permission level 4143 2 Go to A 2 Commissioning Actuator test run 3 S...

Page 241: ...eed dryout schedule according to the initial heating instructions of the screed manufacturer checking the proper functioning of the setup on a regular basis performing the correct program complying wi...

Page 242: ...onfirmation before starting The underfloor heating screed dryout function is active even if the user does NOT confirm emergency operation During underfloor heating screed dryout pump speed limitation...

Page 243: ...schedule the total remaining time and the current desired leaving water temperature 2 Press the left dial to open the menu structure and to 1 View the status of sensors and actuators 2 Adjust the curr...

Page 244: ...to the storage tank it is mandatory to install an electric backup heater to ensure safe operation for all conditions Drain back models For drain back models a backup heater EKECBUA must always be ins...

Page 245: ...r setting 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...

Page 246: ...ast once a year However applicable legislation might require shorter maintenance intervals In this chapter 13 1 Overview Maintenance and service 246 13 2 Maintenance safety precautions 246 13 3 Yearly...

Page 247: ...er can lead to too low pressure or too high pressure leading to worse performance Water filter Close the valve Clean and rinse the water filter NOTICE Handle the filter with care To prevent damage to...

Page 248: ...more flush the system It is recommended to do this maintenance more frequently Switch box Carry out a thorough visual inspection of the switch box and look for obvious defects such as loose connection...

Page 249: ...13 Maintenance and service Installer reference guide 249 EPRA08 12EAV3 W1 ETSH X B 12P30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07...

Page 250: ...ng noises after commissioning 253 14 3 5 Symptom The pump is blocked 254 14 3 6 Symptom The pump is making noise cavitation 254 14 3 7 Symptom The pressure relief valve opens 255 14 3 8 Symptom The wa...

Page 251: ...14 3 Solving problems based on symptoms 14 3 1 Symptom The unit is NOT heating or cooling as expected Possible causes Corrective action The temperature setting is NOT correct Check the temperature se...

Page 252: ...ses Corrective action The compressor cannot start if the water temperature is too low The unit will use the backup heater to reach the minimum water temperature 12 C after which the compressor can sta...

Page 253: ...lancing is not sufficient change the pump limitation settings 9 0D and 9 0E if applicable Various malfunctions Check if or is displayed on the home screen of the user interface See 14 4 1 To display t...

Page 254: ...annot deblock the rotor of the pump with this method you will need to disassemble the pump and turn the rotor by hand 14 3 6 Symptom The pump is making noise cavitation Possible causes Corrective acti...

Page 255: ...ction Dirt is blocking the water pressure relief valve outlet Check whether the pressure relief valve works correctly by turning the red knob on the valve counterclockwise If you do NOT hear a clackin...

Page 256: ...e that the Space heating priority has been enabled Go to 9 6 1 Installer settings Balancing Space heating priority 5 02 Increase the space heating priority temperature to activate backup heater operat...

Page 257: ...se of a malfunction 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 d...

Page 258: ...d during cooling operation warning 8F 00 Abnormal increase outlet water temperature DHW 8H 00 Abnormal increase outlet water temperature 8H 01 Overheating mixed water circuit 8H 02 Overheating mixed w...

Page 259: ...H0 00 OU Voltage current sensor problem H1 00 External temperature sensor problem H3 00 OU Malfunction of high pressure switch HPS H4 00 Malfunction of low pressure switch H5 00 Malfunction of compre...

Page 260: ...n communication system of outdoor unit P1 00 Open phase power supply imbalance P3 00 Abnormal direct current P4 00 OU Malfunction of radiating fin temperature sensor PJ 00 Capacity setting mismatch U0...

Page 261: ...the disinfection function at least 4 hours later than the last expected large hot water tapping This start up can be set by installer settings disinfection function NOTICE When the minimum water flow...

Page 262: ...ar system 267 15 2 2 To drain the storage tank with a connected pressureless solar system 269 15 1 To recover refrigerant When disposing of the outdoor unit you need to recover its refrigerant Use the...

Page 263: ...66 Result The unit returns the valves Y to their initial state To recover refrigerant when power is OFF 1 Manually open the valves Y see 15 1 1 To manually open the electronic expansion valves 4263 2...

Page 264: ...S1 BS3 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 mode INFORMATION If you get confused in the...

Page 265: ...cedure 7 segments display a 1 Start from the default situation 2 Select mode 2 Press and hold BS1 for 5 seconds 3 Select setting 9 Press BS2 9 times 4 Select value 1 a Display the current value Press...

Page 266: ...avoid touching of live parts To activate the recovery mode INFORMATION If you get confused in the middle of the process press BS1 to return to the default situation Before recovering refrigerant acti...

Page 267: ...y mode is deactivated The unit returns the electronic expansion valves to their initial state INFORMATION Power OFF When power is turned OFF and turned ON again the recovery mode is deactivated automa...

Page 268: ...ailable 1 Remove the connection cover from the screw plugs on the front 2 Open the screw plug of the upper connection on the front a b 2 1 a Connection cover b Screw plug 3 Insert the screw plug into...

Page 269: ...plug with drain connection a b 1 2 3 c d a Screw plug b Sealing plug c Screw plug with drain connection optional fill and drain kit d Screw plug with drain connection spillover connector 15 2 2 To dr...

Page 270: ...RA08 12EAV3 W1 ETSH X B 12P30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 1 a a b c 3 4 2 5 a Clip b Sealing plug c Fill and drain kit 5 Open the valve of the fill and drain kit 6 Switch the...

Page 271: ...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 unit 272...

Page 272: ...Wall height unrestricted 1000 X X H 150 H 500 500 300 500 500 300 300 1000 500 1000 500 500 1000 500 1000 500 1000 300 X X H X X H General mm 3D124412 300 150 100 Top side obstacle No top side obstacl...

Page 273: ...distributor d Pinched pipe R5T Thermistor air heat exchanger middle e Refrigerant filter R6T Thermistor refrigerant liquid f One way valve R7T Thermistor injection g Economiser heat exchanger R9T Ther...

Page 274: ...ion 1 b2 DHW Hot water OUT screw connection 1 c1 Water IN from outdoor unit screw connection 1 c2 Water OUT to outdoor unit screw connection 1 d1 Water IN from bivalent heat source screw connection 1...

Page 275: ...n Electronic 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 termina...

Page 276: ...not change the setting of the selector switch DS1 7 Ferrite core Z8C consists of 2 separate core parts a a Only for W1 models Legend in case of W1 models A1P Printed circuit board main A2P Printed cir...

Page 277: ...t exchanger liquid pipe R5T Thermistor air heat exchanger middle R6T Thermistor refrigerant liquid R7T Thermistor injection R9T Thermistor entering water R10T Thermistor leaving water R11T Thermistor...

Page 278: ...service monitor is orange HAP A1P Light emitting diode service monitor is green K1R A1P Magnetic relay Y1S K1R A4P Magnetic relay E1HHEX K2R A1P Magnetic relay Y2S K2R A4P Magnetic relay E1H K3R A1P M...

Page 279: ...e switch TC A2P Signal transmission circuit V1D V4D A1P Diode V1R A1P IGBT power module V2R A1P Diode module V1T V3T A1P Insulated Gate Bipolar Transistor IGBT X1M X2M Terminal strip Y1E Electronic ex...

Page 280: ...ot mounted in switch box Wiring depending on model PCB Backup heater power supply Backup heater power supply 3V 1N 230 V 3 kW 3V 1N 230 V 3 kW 6V 1N 230 V 6 kW 6V 1N 230 V 6 kW 6WN 9WN 3N 400 V 6 9 kW...

Page 281: ...P Main PCB A2P On OFF thermostat PC power circuit A3P Heat pump convector A8P Demand PCB A11P MMI user interface of the indoor unit Main PCB A14P PCB of the dedicated Human Comfort Interface BRC1HHDA...

Page 282: ...pply Translation of text on wiring diagram English Translation 1 Main power connection 1 Main power connection Outdoor unit Outdoor unit SWB1 Switch box 2 User interface 2 User interface Only for remo...

Page 283: ...s meter Gas meter Inrush Inrush current Max load Maximum load Normally closed Normally closed Normally open Normally open Note outputs can be taken from terminal positions X12M 17 L 18 N and X12M 17 L...

Page 284: ...and heat pump convector 5 External On OFF thermostats and heat pump convector Additional LWT zone Additional leaving water temperature zone Main LWT zone Main leaving water temperature zone Only for e...

Page 285: ...nterface X15M 3 4 2 core 2x0 75 2 core 2x0 75 X15M 7 8 X15M 8 X15M 7 2 Safety thermostat Q4L 2 1 Smartgrid contact K1A Smartgrid relais K1A Smartgrid relais K2A X12M 23 25 2 core 2x0 75 X12M 24 25 2 c...

Page 286: ...kup heater operation no defrost operation Notes Selecting a flow outside the operating area can damage the unit or cause the unit to malfunction See also the minimum and maximum allowed water flow ran...

Page 287: ...data Installer reference guide 287 EPRA08 12EAV3 W1 ETSH X B 12P30 50EF Daikin Altherma 3 H MT ECH O 4P663478 1B 2022 07 n Rated current of fuse o Protection type p Backup heater optional q Part numbe...

Page 288: ...product 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...

Page 289: ...plicable indoor units ETSH12P30EF ETSH12P50EF ETSHB12P30EF ETSHB12P50EF ETSX12P30EF ETSX12P50EF ETSXB12P30EF ETSXB12P50EF Notes 1 300 Tank 2 500 Tank 3 X 4 H 5 B 6 EKECBUA3V 7 EKECBUA6V 8 EKECBUA9W 9...

Page 290: ...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 W 0 MMI requests incl quick logi...

Page 291: ...ts Delta T 3 B 1 1 0C 2 0D 2 R W 2 0D 2 R O 2 0D 2 Radiator 3 10 C step 1 C 5 C 2 0D 2 Radiator 10 C 3 B 2 1 0E R W 3 10 C step 1 C 5 C Additional zone 3 C R O 0 2 points 1 Slope Offset Space heating...

Page 292: ...WD curve 5 C 0 0B R W 35 6 0E C step 1 C 55 C 5 C 0 0C R W Min 45 6 0E 6 0E C step 1 C 60 C 5 C 0 0D R W 10 25 C step 1 C 15 C 5 C 0 0E R W 40 5 C step 1 C 10 C Tank 5 D 6 01 R W 0 10 C step 1 C 0 C 5...

Page 293: ...C step 1 C 2 0C 0 25 C 2 0C 1 35 C 2 0C 2 40 C 9 1 7 1 06 R W 10 25 C step 1 C 20 C 9 1 7 1 07 R W 25 43 C step 1 C 35 C 9 1 7 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...

Page 294: ...35 C step 1 C 0 C 9 3 8 4 00 R W 0 Disabled 1 Enabled 2 Only DHW Booster heater 9 4 1 6 02 R W 0 10kW step 0 2kW 0kW 9 4 3 8 03 R W 20 95 min step 5 min 50 min 9 4 4 4 03 R W 0 Restricted 1 Allowed 2...

Page 295: ...W 20 kW 9 9 C 5 0C R W 0 20 kW step 0 5 kW 20 kW 9 9 D 4 01 0 None 1 BSH 2 BUH 9 9 F 7 07 R W 0 Disabled 1 Enabled Energy metering 9 A 1 D 08 R W 0 No 1 0 1 pulse kWh 2 1 pulse kWh 3 10 pulse kWh 4 10...

Page 296: ...C 2 0C 0 18 C 2 0C 1 7 C 2 0C 2 18 C Boiler efficiency Temperature Hysteresis Alarm output Auto restart Power saving function Disable protections Leaving water value for high ambient temp for LWT add...

Page 297: ...4 Legionella only 9 I 4 04 R W 0 Continuous pump operation 1 Non continuous pump operation 2 OFF 9 I 4 05 0 9 I 4 06 R W 0 Manual 1 Automatic 2 Auto red SH DHW ON 3 Auto red SH DHW OFF 4 Auto normal S...

Page 298: ...abled 9 I 7 08 DHW stratification R W 0 Disabled 2 1 Enabled 1 Which power limitation mode is required on the system Which power limitation type is required Backup heater configuration Equilibrium Dea...

Page 299: ...ck logic 1 1 contact 2 2 contacts Minimum running time for domestic hot water operation Additional zone fixed pump PWM in case a bizone kit is installed Main zone fixed pump PWM in case a bizone kit i...

Page 300: ...0 no heater 9 1 ext heater 2 3V 6 3 6V 7 4 9W 8 9 I E 04 R O 0 No 1 Yes 9 I E 05 R O 0 No 1 Yes 9 I E 06 1 9 I E 07 R W 0 8 0 OSO tank 150 180 1 FS with BUH 2 FS with BSH 3 OSO tank 200 250 300 4 Rote...

Page 301: ...P 1 E 0B R W 0 Not installed 1 2 Bizone kit installed 9 P 2 E 0C R W 0 Without hydraulic separator no direct pump 1 With hydraulic separator no direct pump 2 With hydraulic separator with direct pump...

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Daikin EPRA10EAV3, Installer'S Reference Manual

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