Daikin ALTHERMA HT ERSQ 011 AA User Manual Download

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ESIE09-08A

Service Manual

Daikin ALTHERMA HT

ERSQ 011/014/016 AA V1, Y1
ERRQ 011/014/016 AA V1, Y1
EKHBRD 011/014/016 AA/AB/AC V1, Y1
R-410A, R-134a
EKHTS(U) 200/260 A, AB, AC
EKBUHAA6 V3, W1

Summary of Contents for ALTHERMA HT ERSQ 011 AA

Page 1: ...ESIE09 08A Service Manual Daikin ALTHERMA HT ERSQ 011 014 016 AA V1 Y1 ERRQ 011 014 016 AA V1 Y1 EKHBRD 011 014 016 AA AB AC V1 Y1 R 410A R 134a EKHTS U 200 260 A AB AC EKBUHAA6 V3 W1...

Page 2: ......

Page 3: ...RSQ 011 014 016 AAV1 17 2 2 ERRQ 011 014 016 AAY1 ERSQ 011 014 016 AAY1 19 2 3 EKHBRD 011 014 016 AA V1 Y1 21 2 4 EKHBRD 011 014 016 AB AC V1 Y1 23 2 5 EKHTS 200 260 A AB AC 24 2 6 EKHTSU 200 260 A AB...

Page 4: ...Test and Vacuum Drying 80 1 3 Additional Refrigerant Charge 81 1 4 Operation when Power is Turned On 85 2 Outdoor Unit PC Board Layout 86 3 Field Setting 87 3 1 Field Setting from remote control 87 3...

Page 5: ...7 3 27 J3 Indoor Unit Malfunction of Discharge Pipe Thermistor R6T 178 3 28 J5 Outdoor Unit Malfunction of Thermistor R3T R5T for Suction Pipe 1 2 179 3 29 J5 Indoor Unit Malfunction of Thermistor R7T...

Page 6: ...nit 216 3 62 UF System is not Set yet 217 3 63 UH Malfunction of System Refrigerant System Address Undefined 218 Part 8 Appendix 223 1 Piping Diagrams 224 1 1 Outdoor Unit 224 1 2 Indoor Unit 226 1 3...

Page 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii...

Page 8: ...rking on the equipment that is connected to a power supply can cause an electrical shock If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not tou...

Page 9: ...pt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation sit...

Page 10: ...nstall the equipment in a place where there is a possibility of combustible gas leaks If a combustible gas leaks and remains around the unit it can cause a fire Be sure to install the packing and seal...

Page 11: ...the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor Caution Icon Type of Information Description Note Note A note provides informatio...

Page 12: ...igh temperature air to water heat pump Daikin offers a wide range of models to respond to the residential heating market We are confident that customers will be able to find the models that best suit...

Page 13: ...ESIE09 08A General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units Tanks 2...

Page 14: ...s of Indoor Outdoor Units Tanks Indoor Units Outdoor Units Type Model Name Version Power Supply EKHBRD 011 AA AB AC V1 014 016 EKHBRD 011 AA AB AC Y1 014 016 Type Model Name Version Power Supply ERRQ...

Page 15: ...ESIE09 08A Model Names of Indoor Outdoor Units Tanks General Information 3 Tank Model Name Version EKHTS 200 AA AB AC EKHTS 260 EKHTSU 200 AA AB AC EKHTSU 260...

Page 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08A 4 General Information...

Page 17: ...ESIE09 08A Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Unit 8...

Page 18: ...1345 1345 Width mm 900 900 900 Depth mm 320 320 320 Packing Height mm 1524 1524 1524 Width mm 980 980 980 Depth mm 420 420 420 Weight Unit kg 120 120 120 Packed Unit kg 130 130 130 Packing Material C...

Page 19: ...evices inverter Inverter overload protector Inverter overload protector Inverter overload protector Safety Devices pcb PC board fuse PC board fuse PC board fuse Standard Accessories Item Installation...

Page 20: ...W 70 C LW 80 C T 10 C Ambient conditions 7 CDB 6 CWB Condition 3 EW 30 C LW 35 C T 5 C Ambient conditions 7 CDB 6 CWB Remark This data is only valid in combination of indoor unit with ER R S Q outdoor...

Page 21: ...Water circuit Piping connections diameter inch G 1 1 4 female G 1 1 4 female G 1 1 4 female Piping inch 1 1 1 Safety valve bar 3 3 3 Manometer Y N Y Y Y Drain valve Fill valve Y N Y Y Y Shut off valv...

Page 22: ...unit Quantity 2 Remark F1 F2 Power Supply Intake Both indoor unit and outdoor unit Notes 1 European International Technical Standard setting the limits for harmonic currents produced by equipment conn...

Page 23: ...1 1 Outdoor Unit 12 1 2 Indoor Unit 14 2 Functional Parts Layout 17 2 1 ERRQ 011 014 016 AAV1 ERSQ 011 014 016 AAV1 17 2 2 ERRQ 011 014 016 AAY1 ERSQ 011 014 016 AAY1 19 2 3 EKHBRD 011 014 016 AA V1...

Page 24: ...HP pressure switch For INV compressor In order to prevent the increase of high pressure when a malfunction occurs this switch is activated at high pressure of 4 0 MPa or more to stop the compressor o...

Page 25: ...T R7T ACCUMULATOR HEATING STOP VALVE WITH SERVICE PORT ON FIELD PIPING SIDE 7 9MM FLARE CONNECTION DEFROST FANS M1F M2F SP p SERVICE PORT 4 WAY VALVE Y1S CAPILLARY TUBE CAPILLARY TUBE HIGH PRESSURE SE...

Page 26: ...uring defrost operation G K1E Electronic expansion valve Used to regulate the refrigerant flow of R 410A H K2E Electronic expansion valve Used to regulate the refrigerant flow of R 134a I E1HC Crankca...

Page 27: ...ECK VALVE M1C E1HC R6T Y1R M K1S R5T Q2L R4T M1P K2S K1E K2E R3T R7T B1PL B1PH S1PH ACCUMULATOR CHECK VALVE KHTS 200 270 G 1 1 4 female WATER OUTLET STANDARD WATER SIDE 3 WAY VALVE REFRIGERANT SIDE OU...

Page 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1...

Page 29: ...heater Standard for ERRQ Optional for ERSQ Y2S S1NPL Solenoid valve S1NPH High pressure sensor Y1S 4 way valve Service port Accumulator Service port liquid Service port gas Compressor Oil separator Lo...

Page 30: ...ut ESIE09 08A 18 Refrigerant Circuit Back view R6T Subcool thermistor R3T Suction 1 thermistor R8T Liquid pipe 2 thermistor R4T Coil thermistor R7T Liquid pipe 1 thermistor R1T Ambient thermistor R5T...

Page 31: ...for ERRQ Optional for ERSQ Y2S S1NPH Solenoid valve Y3S Solenoid valve S1NPL Low pressure sensor Y1S 4 way valve Y1E Electronic expansion valve Y3E Electronic expansion valve Service port Accumulator...

Page 32: ...Functional Parts Layout ESIE09 08A 20 Refrigerant Circuit Back view R3T R6T Suction thermistor R1T Ambient thermistor R8T Liquid pipe thermistor Subcool gas pipe thermistor R7T Liquid pipe thermistor...

Page 33: ...ESIE09 08A Functional Parts Layout Refrigerant Circuit 21 2 3 EKHBRD 011 014 016 AA V1 Y1 Front view Top view 1 2 A 3 4 5 6 10 15 14 13 12 11 9 8 7 16 19 20 18 17 E...

Page 34: ...or R 134a 7 Solenoid valve 24 Drain 8 Expansion vessel 12 l 25 Electronic expansion valve R 134a 9 DC inverter pump 26 Electronic expansion valve R 410A 10 Pressure relief valve 27 Refrigerant gas con...

Page 35: ...at exchangers 16 Service ports R134a 5 Refrigerant liquid connection R410A 17 Compressor R 134a 6 Refrigerant gas connection R410A 18 Accumulator 7 Shut off valves 19 3 way valve option with EKHTS tan...

Page 36: ...ts Layout ESIE09 08A 24 Refrigerant Circuit 2 5 EKHTS 200 260 A AB AC Front view Bottom view Tank sensor Tank sensor Hot water out Cold water in Coil in from EKHBRD Coil out towards EKHBRD Recirculati...

Page 37: ...SIE09 08A Functional Parts Layout Refrigerant Circuit 25 Top view Worm s eye view Recirculation connection Bottom adaptor Tank sensor Cold water in Coil out to EKHBRD Hot water out Coil in from EKHBRD...

Page 38: ...Functional Parts Layout ESIE09 08A 26 Refrigerant Circuit 2 6 EKHTSU 200 260 A AB AC Front view Tank sensor...

Page 39: ...il in from EKHBRD Recirculation connection Pressure relief connection Coil out towards EKHBRD Recirculation pipe Recirculation connection Hot water out connection Pressure relief connection Anode Heat...

Page 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit...

Page 41: ...Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 34 2 1 Main PCB A1P 34 2 2 Control PCB A3P 36 2 3 Inverter PCB A4P 38 2 4 Filter PCB A6P 41 2 5 QA PCB A5P 43 2 6 Inverter Control PCB Three Phase A4P 44...

Page 42: ...Switch Box Layout Indoor Unit EKHBRD ESIE09 08A 30 Refrigerant Circuit 1 Switch Box Layout Indoor Unit EKHBRD EKHBRD 011 014 016 AAV1 EKHBRD 011 014 016 AAY1...

Page 43: ...O PCB A7P Optional 8 Demand PCB A8P Optional 9 Terminal block X1M Main power supply 10 Terminal block X2M AC connections 11 Terminal block X3M DC connections 12 DC connector X1Y 13 Pump connector X2Y...

Page 44: ...Switch Box Layout Indoor Unit EKHBRD ESIE09 08A 32 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 EKHBRD 011 014 016 AB AC Y1...

Page 45: ...O PCB A7P Optional 8 Demand PCB A8P Optional 9 Terminal block X1M Main power supply 10 Terminal block X3M DC connections 11 Terminal block X2M AC connections 12 DC connector X1Y 13 Pump connector X2Y...

Page 46: ...ack X25A white X65A X20A X38A SS1 X70A X30A white X23A blue X15A white X24A black X18A red X12A yellow X17A yellow X16A white X36A red white X7A white X50A white X85A yellow X6A white X33A white X35A...

Page 47: ...A R4T returning water thermistor Yellow X15A White X16A White X17A R5T leaving water thermistor Yellow X18A R3T liquid thermistor R 410A Red X19A White X20A M1P DC inverter pump White X23A Blue X24A B...

Page 48: ...ingle phase Control PCB A3P X11A yellow X12A blue X25A white X13A white X14A white X15A X1A blue white X23A green X8A pink X7A black X5A yellow X4A orange X3A white X21A black X16A yellow X10A white X...

Page 49: ...Connector Color Connected to X1A Blue X3A Orange X2M 12 13 X4A Yellow X5A Black X2M 3 4 X7A Pink 2 way valve R 410A X8A Green Bridge with filter capacitors X9A White X10A White X35A of PCB A1P 16V pow...

Page 50: ...te X32A red X17A blue X18A blue X12A white X11A white X13A white X21A white X5A white X9A white X6A X106A red X41A blue X107A white X111A white LE white P orange Fuse 1 5A 250V for 111F 112F X25A blue...

Page 51: ...1A White X12A Blue R6T by connector X1Y 13 14 R7T by connector X1Y 15 16 Discharge liquid R 134a thermistor X13A White X17A Red B1PH by connector X1Y 17 18 19 High pressure sensor X18A Blue B1PL by co...

Page 52: ...PH Q2L X106A Red X107A White X111A White R8T Fin thermistor HAP LED Indication power supply Fuse 1 5A 250V for M1F M2F Fuse 2 6 3A 250V for Y1S ECHC LC Red LB of PCB A6P Filter PCB LD Orange R1L by co...

Page 53: ...t for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 41 2 4 Filter PCB A6P Filter PCB single phase LB blue LA red earth green cable white connector Connector of LF NF white NB blue LB red LF NF...

Page 54: ...rigerant Circuit Filter PCB A6P Legend NB LB NA LA E LF NF F1U Connector Color Connected to function LA Red X1M L N Power supply 1 230V NA Blue LB Red LC NC Inverter PCB NB Blue LF Red X2M 10 11 via V...

Page 55: ...5P QA PCB single phase QA PCB A5P Legend white X809A X801A white Fuse F3U 6 3A 250V Green black X803A X809A X801A X803A F3U E3 Connector Color Connected to function X801A White X2M 8 9 by V5C X803A Bl...

Page 56: ...Y1 ESIE09 08A 44 Refrigerant Circuit 2 6 Inverter Control PCB Three Phase A4P Inverter control PCB three phase X6A X21A X11A X12A X41A X13A X17A X5A X4A X9A F4U F3U X8A L21A L11A F1U F2U F5U N1A L31A...

Page 57: ...L31B filter PCB N1A N1B filter PCB X4A Ivory Inverter PCB X104A X5A White Inverter PCB X105A X6A White X8A White Inverter PCB X108A X9A Orange Inverter PCB X109A X11A Ivory R1T X12A Blue R2T R3T R4T...

Page 58: ...HBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 46 Refrigerant Circuit 2 7 Inverter PCB Three Phase A5P Inverter PCB three phase X105A X111A X142A X141A TP1 TP2 X107A X106A X108A X32A X104A L12A L32A L22A...

Page 59: ...2 L32A Reactor phase 3 U Compressor phase U V Compressor phase V W Compressor phase W X32A White HPS X104A Ivory Control PCB X4A X105A White Control PCB X5A X106A Red Fan motor M1F X107A Ivory Fan mot...

Page 60: ...B AC V1 Y1 ESIE09 08A 48 Refrigerant Circuit 2 8 Digital I O PCB Option PCB A7P Digital I O PCB option PCB A7P Digital I O PCB option PCB A7P X1 X2A CN2 X2 X3 X4 YC X1A Y1 X1A X1M X2M F1U ON YC Y1 Y2...

Page 61: ...t Circuit 49 Legend Connector Color Connected to function X1A White X2M 6 7 X2A White X33A of main PCB A1P X1 Cooling heating ON OFF output optional power supply X2 X3 Alarm output optional power supp...

Page 62: ...ation 1 used in combina tion with 5 mixing station 2 used in combina tion with 5 used together with 1 2 3 and or 4 X80A Connector Color Connected to function X80A White X85A of main PCB A1P 1 5 2 core...

Page 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51...

Page 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit...

Page 65: ...Operation 59 3 3 Pump down Residual Operation 60 3 4 Stopping Operation 61 4 Protection Control 62 4 1 High Pressure Protection Control 62 4 2 Low Pressure Protection Control 64 4 3 Discharge Pipe Pr...

Page 66: ...o startup Restart standby Compressor stop Indoor unit stop or thermostat OFF Pump down residual operation Malfunction Standby Heating startup control Indoor unit stop or thermostat OFF Electronic expa...

Page 67: ...ll steps possible mainly STEP 7 OR 8 Four way valve ON Main electronic expansion valve EV1 PI control Subcooling electronic expansion valve EV3 PI control Hot gas bypass valve SVP OFF This valve turns...

Page 68: ...16 0Hz 27 175 0Hz 8 62 0Hz 71 0Hz 18 122 0Hz 28 180 0Hz 9 68 0Hz 78 0Hz 19 128 0Hz 29 185 0Hz 10 74 0Hz 20 134 0Hz 30 190 0Hz STEP INV STEP INV STEP INV 1 40 0Hz 11 98 0Hz 21 158 0Hz 2 46 0Hz 12 104 0...

Page 69: ...oling heat exchanger Electronic Expansion Valve K1E Control Indoor Unit Carries out the electronic expansion valve K1E PI control to maintain the condensor outlet subcooled degree SC at constant durin...

Page 70: ...A thermostat ON demand will activate the outdoor fan followed by the outdoor compressor and finally indoor compressor Outdoor Thermostat ON Pressure equalization control prior to startup Startup contr...

Page 71: ...defrost operation is started referring following conditions Outdoor heat exchanger heat transfer co efficient Temperature of heat exchange Tb Tdef Timer 25 min the minimum In addition outdoor heat exc...

Page 72: ...ty Therefore the pump down residual operation is performed to collect the refrigerant in the heat exchanger when the compressor is down 3 3 1 Pump down Residual Operation in Heating Operation R 410A A...

Page 73: ...e Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV3 0 pls Hot gas bypass valve SVP OFF Ending conditions Request for space heating OR hot water...

Page 74: ...operation R 410A High pressure drop Pc 3 04MPa After 10 sec Pc 3 04MPa Pc 2 94MPa Pc 3 64MPa Keeping the current step After 60 sec High pressure not limited High pressure limited Pc HP pressure senso...

Page 75: ...ressure limited INV upper limit frequency 1 step up from current compressor frequency Pc HP pressure sensor detection value INV upper limit frequency 1 step down from current compressor frequency When...

Page 76: ...Pa or After 10 sec Pe 0 17MPa Pe 0 17MPa Pe 0 20MPa Pe 0 07MPa Current step limited After 15 sec Low pressure not limited Low pressure limited Pe 0 12MPa Pe 0 17MPa Hot gas SVP OFF Hot gas SVP ON Pe L...

Page 77: ...ure not limited Low pressure limited Pe 0 13MPa INV 20 RPS Pe LP pressure sensor detection value INV upper limit frequency 3 step down from current compressor frequency INV upper limit frequency 1 ste...

Page 78: ...per limit frequency 1 step up from current compressor frequency Discharge pipe temperature standby When occurring 3 times within 100 minutes the malfunction code F3 is output Discharge pipe protection...

Page 79: ...frequency 1 step down from current compressor frequency Inverter current 12A Inverter current 12A continues for 3 min INV upper limit frequency 1 step up from current compressor frequency When occurri...

Page 80: ...es for 3 min When occurring 4 times within 60 min the malfunction code L4 is output INV upper limit frequency 1 step up from current compressor frequency Not limited Limited Tfin see value H in table...

Page 81: ...g is possible Heating for domestic hot water is possible till 35 C ambient temperature For more details see chapter of settings 5 2 Inverter Fan Control Switch Box Fan 5 3 Crankcase Heater Cooling fan...

Page 82: ...active when the unit is in thermo OFF condition Start condition AND OR Outdoor ambient temperature 4 C Leaving or return water temperature 7 C AND OR depending of setting 8 04 for further details see...

Page 83: ...ction can only be activated by the schedule timer button and this icon should be led Remote controller leaving water temperature control When the reheat temperature is reached the further heat up till...

Page 84: ...system goes back to space heating mode H Domestic hot water reheat minimum temperature b 00 J Domestic hot water reheat maximum temperature b 01 M Simultaneous demand N ONLY space heating request ON O...

Page 85: ...position then space heating will start again During the reheat operation the system does not take care about the room temperature This means that during simultaneous demand the reheat operation has pr...

Page 86: ...ff the room temperature This means that during simultaneous demand the space only will be heated during the intervals of domestic water production A Operation Space heating Domestic water heating B Do...

Page 87: ...y valve will switch back to original position then space heating will start again During the reheat operation the system does not take care about the room temperature This means that during simultaneo...

Page 88: ...when room temperature is more than 0 5 C lower as set point and set point J is reached A Operation Space heating Domestic water heating B Domestic hot water storage thermo on request C Domestic hot w...

Page 89: ...rocedure and Outline 78 1 2 Air Tight Test and Vacuum Drying 80 1 3 Additional Refrigerant Charge 81 1 4 Operation when Power is Turned On 85 2 Outdoor Unit PC Board Layout 86 3 Field Setting 87 3 1 F...

Page 90: ...conduct the initial test operation after installation 1 1 1 Check Work Prior to Turn Power Supply On Check on refrigerant piping V3180 Check on amount of refrigerant charge Check air tight test and va...

Page 91: ...before starting operation to protect compressors Close outside panels of the outdoor unit Wait until initialization period is over up to 12 min Can be known by checking leds on outdoor PCB see Field...

Page 92: ...ill freeze when the piping gets cold and or lead to corrosion of flared joints soap water may contain ammonia which causes a corrosive effect between the brass flare nut and the copper flare 3 Dischar...

Page 93: ...slowly Always use protective gloves and protect your eyes when charging refrigerant When performing service on the unit requiring the refrigerant system to be opened refrigerant must be evacuated acco...

Page 94: ...ging port e g onto the inside of the service cover 1 3 2 Procedures for adding refrigerant How to connect the tank Caution Automatic refrigerant charging is NOT POSSIBLE Make sure to turn ON the power...

Page 95: ...of the unit Do NOT use the service ports located on the stop valve since vacuum drying can not be performed properly from these ports Outdoor units have 1 port on the piping It is between the heat ex...

Page 96: ...button 4 times so the t icon will be displayed 3 Perform the test as follows when no action is performed the user interface will return to normal mode after 10 seconds or by pressing the z button onc...

Page 97: ...In this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc Status Outdoor unit Test lamp H2P H8P Blinks Can also be set during operation desc...

Page 98: ...ON OFF RETURN Test Error Changeover between cooling and heating Individual Batch master Batch slave Demand Low noise DIP switches DS1 1 and DS1 2 Sets the address again when the wiring is changed or a...

Page 99: ...EKRUAHTA BRC21A51 EKRUAHTB BRC21A52 To change one or more field settings proceed as follows 1 Press the z button for a minimum of 5 seconds to enter FIELD SET MODE The icon c will be displayed The cu...

Page 100: ...tting 8 00 the other field settings of group 8 8 01 8 02 8 03 8 04 will be saved as well 3 Before shipping the set values have been set as shown in the field settings table 4 When exiting FIELD SET MO...

Page 101: ...start time 23 00 0 00 23 00 1 00 hour 02 Setback operation stop time 5 00 0 00 23 00 1 00 hour 3 Weather dependent set point 00 Low ambient temperature Lo_A 10 20 5 1 C 01 High ambient temperature Hi...

Page 102: ...pensation value 0 5 5 0 5 C 02 Thermo ON OFF admission 0 5 5 0 5 C A Option setup 00 Not applicable Do not change the default value 0 0 2 1 01 Not applicable Do not change the default value 0 0 2 1 02...

Page 103: ...t minimum time for domestic water heating 10 5 20 1 01 Set point maximum time for domestic water heating 30 10 60 5 02 Set point interval minimum stop time of domestic water heating 15 5 30 5 E Servic...

Page 104: ...temperature Lo_A 10 20 5 1 C 01 High ambient temperature Hi_A 15 10 20 1 C 02 Set point at low ambient temperature Lo_Ti 70 25 80 1 C 03 Set point at high ambient temperature Hi_Ti 45 25 80 1 C 4 Disi...

Page 105: ...perature 45 35 75 1 C 02 Status weather dependent domestic water heating 1 ON 0 1 03 Set point storage temperature 70 45 75 1 C 04 Automatic maximum domestic hot water storage temperature 70 55 75 1 C...

Page 106: ...e thermistor value of the unit by a correction value This can be used as countermeasure for thermistor tolerances or capacity shortage The compensated temperature measured temperature plus compensatio...

Page 107: ...continuously When pushing the y button The schedule timer for space heating will stop and will not start again The controller will be switched off operation LED will stop working However the schedule...

Page 108: ...ed the previous programmed command 13 00 and will remain active until the next programmed command 19 00 occurs So in order to know the actual setting one should consult the last programmed command It...

Page 109: ...only increase if you feel that the domestic hot water supply temperature is not sufficient for your needs this depends on your water using pattern 2 Make sure the domestic hot water is not heated unn...

Page 110: ...h setback is started 2 02 Stop time time at which setback is stopped Setback operation for room temperature control Setback operation for leaving water control Notes 1 In setback operation for room te...

Page 111: ...nstead of showing the water temperature set point the controller shows the shift value which can be set by the user 3 00 Low ambient temperature Lo_A low outdoor temperature 3 01 High ambient temperat...

Page 112: ...de activated and there is no reheat function active the disinfection function will operate if a domestic hot water tank is installed and field setting 4 00 is set to ON The disinfection function fiel...

Page 113: ...aving water setback temperature 5 03 Room setback temperature Note More details about setback function can be found in setting 2 First code Second code Setting name Default value Range Step Unit 5 Aut...

Page 114: ...omatic weather dependent set point operation Note By using an external room thermostat the smart logic of the standard remote controller is overruled 6 02 Heater kit Once installed you can activate th...

Page 115: ...quest Therefor multiple set point pattern A can be configured to allow simultaneous domestic water and space heating without intermission Multi set point control according pattern B The basic setup of...

Page 116: ...e activated when power returns to the unit after a power supply failure Press the pr button to enable the schedule timer again For EKHBRD AB AC 8 01 Backup heater optional setting 8 01 0 default Durin...

Page 117: ...ult no prevention 8 04 1 prevention level 1 8 04 2 prevention level 2 The freeze up prevention is only active when the unit is in thermo OFF condition If prevention level 1 is enabled the freeze up pr...

Page 118: ...OFF admission By changing this value the operation range for space heating operation can be modified If the ambient temperature becomes higher than 24 C the value of 9 02 no space heating is possible...

Page 119: ...e A 04 Multi set point 2 temperature Notes 1 When temperature reducing devices are installed the system can be configured to use multi set points also the demand PCB option is needed 2 The selected va...

Page 120: ...always possible to cancel the operation by pushing the w button once 3 Pushing the y button has no influence on the domestic water heating Domestic hot water heating is only switched on or off by mean...

Page 121: ...this way with a lower domestic hot water tank temperature setting the comfort level can be kept the same but with a lower energy consumption For EKHBRD AA Fixed at 70 C For EKHBRD AB AC b 04 Note The...

Page 122: ...ble to limit the set points C 00 Set point leaving water maximum temperature C 01 Set point leaving water minimum temperature First code Second code Setting name Default value Range Step Unit C Leavin...

Page 123: ...tic water heating Changing the timer values can have an impact on space heating and domestic water heating heat up timers The default values are proposed but can be changed depending on the complete s...

Page 124: ...hance the air removal from the circuit The pump can operate at different speed E 04 0 normal operation of the unit default E 04 1 low pump speed operation pump only unit is not operating E 04 2 high p...

Page 125: ...ESIE09 08A Field Setting Test Operation 113...

Page 126: ...ng setting Please Attach the Capacity Setting Adapter corresponding to Capacity Class ex 112 140 160 in connector X51A See Below Capacity Setting Adapter 1 2 3 Capacity Class 4 112 5 140 6 160 CAPACIT...

Page 127: ...A1P to spare parts PC Board please carry out the following setting Please Attach the Capacity Setting Adapter corresponding to Capacity Class ex 112 140 160 in connector X23A See Below Capacity Settin...

Page 128: ...Used to modify the operating status and to set program addresses etc Usually used in servicing the system Monitor mode H1P blinks Used to check the program made in Setting mode 2 Mode changing proced...

Page 129: ...step Press BS1 MODE button V2762 Press BS1 MODE button Press 1 time BS3 button to enter setting Press 1 time BS2 button to change setting Press 1 time BS3 button to confirm setting Press 1 time BS3 b...

Page 130: ...ould the system be set to any mode other than that push the MODE BS1 button to set the system to Setting mode 1 Normally Setting mode 1 is set In case of other status push MODE BS1 button one time and...

Page 131: ...ld piping and indoor unit in the outdoor unit b Setting mode 2 Selection of setting items Selection of setting conditions Push and hold the MODE BS1 button for 5 seconds and set to Setting mode 2 Push...

Page 132: ...settings No Setting item display Setting condition display Setting item MODE H1P TEST H2P C H selection Low noise H6P Demand H7P IND H3P Master H4P Slave H5P Factory set 21 Refrigerant recovery vacuum...

Page 133: ...ontents of retry the latest 21 Contents of retry 1 cycle before 22 Contents of retry 2 cycle before 25 Normal judgment of outdoor units PC board c Lower 2 digits Abnormal Normal Unjudgment c Monitor m...

Page 134: ...ta such as addresses and number of units is expressed as binary numbers the two ways of expressing are as follows The No 1 cool heat unified address is expressed as a binary number consisting of the l...

Page 135: ...ming mode setting 21 to ON The respective expansion valve of indoor and outdoor units are fully opened TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote control and the indoor o...

Page 136: ...ing Mode 2 3 2 3 Setting of Automatic Pump Down Operation When carrying out the automatic pump down operation follow below operation procedure Operating procedure Turn on the main power supply Make su...

Page 137: ...Sensor in Remote Controller 154 3 12 E1 Outdoor Unit PC Board Defect 155 3 13 E1 Indoor Unit PC Board Defect 156 3 14 E3 Outdoor Unit Actuation of High Pressure Switch 157 3 15 E3 Indoor Unit Actuatio...

Page 138: ...oor Unit Malfunction of Transmission between Inverter and Control PC Board198 3 48 LC Indoor Unit Malfunction of Transmission between Inverter and Control PC Board199 3 49 LH Indoor Unit Converter Err...

Page 139: ...the water circuit are completely open Check if the water filter needs cleaning Make sure there is no air in the system purge air Make sure that the expansion vessel is not broken Check the water press...

Page 140: ...st be 0 3 bar Check that the manometer is not broken Check that the expansion vessel is not broken Check if the pressure of the expansion vessel is correct 7 Outdoor unit fan does not rotate In operat...

Page 141: ...4 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes Service data can be obtained Malfunction code history Service settings can be mad...

Page 142: ...nd malfunction contents Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in check mode pressing and holding the ON OFF button for a period of five seconds or more wil...

Page 143: ...lfunction occurs Alternating malfunction code possible indication for refrigerant type IU OU Unit Malfunction code Inspection Inspection mode Push the button Inspection test operation Push the button...

Page 144: ...Remote Control Service Mode How to Enter the Service Mode Service Mode Operation Method 1 Select the mode No Only Mode 40 can be set Normal operation mode Field set mode Push the button for 4 seconds...

Page 145: ...bcode we can distinguish if the error is related to the R 410A or R 134a circuit Mode No Function Contents and operation method Remote control display example 40 Malfunction hysteresis display Display...

Page 146: ...eration lamp malfunction code and display of malfunctioning unit No let you know the contents and location of the malfunction When there is a stop due to malfunction the contents of the malfunction gi...

Page 147: ...connection short circuit failure 177 J5 c Malfunction of thermistor R3T R5T R7T for suction pipe loose connection disconnection short circuit failure 179 J6 c Malfunction of thermistor R6T for heat ex...

Page 148: ...ion of DC fan 2 motor lock Malfunction of electronic expansion valve EV1 E9 EV3 Faulty sensor of outdoor air temperature Faulty Ta sensor short H9 Abnormal discharge pipe temperature Abnormal Td F3 Ab...

Page 149: ...c c c c c c c c c c E9 c c c c c c c c H9 c c c c c 1 F3 c c c c c c c c 1 F6 c c c c c c c J3 c c c c c c c c 1 J5 c c c c c c c c J6 c c c c c J7 c c c c c c J9 c c c c c JA c c c c c JC c c c c c...

Page 150: ...pen phase Power supply imbalance Imbalance of inverter power supply voltage P1 Faulty temperature sensor of inverter radiation fin Faulty thermistor of inverter fin P4 Refrigerant shortage Refrigerant...

Page 151: ...P H5P H6P H7P P1 c c c c c c 1 P4 c c c c U0 c c c c c c c c U2 c c c c 1 c c c c c c c c U3 c c c c c c c c c c c c U4 c c c c c c c c c c c U7 c c c c c c c c U9 c c c c c c c UA c c c c c c c c c c...

Page 152: ...nditions When data could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of indoor...

Page 153: ...Troubleshooting Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts may be damaged Connect the wiring and turn on again Fix the wiring and turn on aga...

Page 154: ...e bad wire Troubleshooting V2781 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred After connecting turn the power supply off and then bac...

Page 155: ...lectronic expansion valve Discount the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity Pin No 1 White 2 Yellow 3 Orange...

Page 156: ...Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The water circuit has a too high ESP compared to the maximum allowed ESP see technical s...

Page 157: ...alfunction Decision Conditions Operation and 1 When the capacity code is not contained in the PC board s memory and the capacity setting adapter is not connected 2 When a capacity that doesn t exist f...

Page 158: ...nction Detection Check the condition of transmission between indoor PC board A1P and PC board for control A3P using computer Malfunction Decision Conditions When normal transmission is not conducted f...

Page 159: ...ion of transmission on indoor PC board using local installation mode C1 Malfunction breaks out again YES Replace PC board for control A3P Connect it and operate possible cause is instantaneous blackou...

Page 160: ...g Supposed Causes Defect of thermistor R3T for liquid pipe Defect of indoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P251 V2784 Caution Be...

Page 161: ...or R2T Defect of indoor unit PC board A3P Troubleshooting Refer to thermistor resistance temperature characteristics table on P251 V2785 Caution Be sure to turn off power switch before connecting or d...

Page 162: ...Supposed Causes Defect of indoor unit thermistor R4T for water return Defect of indoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P251 Cauti...

Page 163: ...running Supposed Causes Defect of indoor unit thermistor for leaving water R5T Defect of indoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P...

Page 164: ...thermistor becomes disconnected or shorted while the unit is running Supposed Causes Defect of remote control thermistor Defect of remote control PC board Defect of indoor PC board A1P Troubleshootin...

Page 165: ...When data could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of outdoor unit PC...

Page 166: ...ta could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect compressor main PC board...

Page 167: ...contact of the high pressure protection switch opens Malfunction Decision Conditions Error is generated when the HPS activation count reaches the number specific to the operation mode Reference Opera...

Page 168: ...re sensor Is the pressure detected with the PC board normal See 2 Replace the main PC board The high pressure sensor is normal and the pressure detected with the PC board is also normal The high press...

Page 169: ...n Conditions Error is generated when the HPS activation count reaches the number specific to the operation mode Reference Operating pressure of high pressure switch Operating pressure 3 8MPa Reset pre...

Page 170: ...re service port Connect the Service Tool Reset the operation using the remote control put power off for 10 seconds and then restart the operation YES YES Check for the points shown below Are all water...

Page 171: ...ssure sensor make measurement of voltage at the connector and then convert it to pressure 2 3 Make measurement of voltage of the pressure sensor Connector for high pressure sensor Red Make measurement...

Page 172: ...Method of Malfunction Detection Abnormality is detected by the pressure value with the low pressure sensor Malfunction Decision Conditions Error is generated when the low pressure is dropped under spe...

Page 173: ...lso normal The low pressure has really become low Refer to remove the causes by which the low pressu re has become low 1 Make acomparison between thevoltage of the p ressu re sensor 4 and that read by...

Page 174: ...y the pressure value with the low pressure sensor Malfunction Decision Conditions Error is generated when the low pressure is dropped under specific pressure Operating pressure 0 07MPa Supposed Causes...

Page 175: ...s also normal The low pressure has really become low Refer to remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor 4 and that read...

Page 176: ...uses Compressor lock High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PC board Stop valve is left in closed Troubleshooting Check the installation conditions Is the stop...

Page 177: ...pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PC board Stop valve is left in closed Troubleshooting Warning CAPACITOR SHOCK HAZARD The capacitors top surfaces can hold up to 220V Use co...

Page 178: ...l IC when the fan motor runs Malfunction Decision Conditions When the fan runs with speed less than a specified one for 6 seconds or more when the fan motor running conditions are met When malfunction...

Page 179: ...e occurred Has eitherthefuse F4UonthecontrolPCboard A1P orthefuseF1UontheinverterPC board A2P blownout NO NO Connect the connector Remove the obstacle Correct the power supply voltage If L1 and N phas...

Page 180: ...valve Defect of outdoor unit PC board A1P Defect of connecting cable Troubleshooting V3067 YES Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts ma...

Page 181: ...Disconnect the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity V3067 Orange 1 Red 2 Yellow 3 Black 4 Gray 5 White 6 Pin...

Page 182: ...e Defect of indoor unit PC board A4P Defect of connecting cable Troubleshooting Normal when coil check of the moving part of the electronic expansion valve is checked V3067 YES Caution Be sure to turn...

Page 183: ...sconnect the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity V3067 White 1 Yellow 2 Orange 3 Blue 4 Red 5 Brown 6 Pin N...

Page 184: ...nsor Faulty connection of discharge pipe temperature sensor Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P251 V3068 Caution Be sure...

Page 185: ...s Faulty discharge pipe temperature sensor R6T Faulty connection of discharge pipe temperature sensor Faulty indoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteris...

Page 186: ...rcuit or open circuit Supposed Causes Defect of thermistor R1T for outdoor air Defect of outdoor unit PC board A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on p...

Page 187: ...ature thermistor is detected Supposed Causes Defect of thermistor R2T for outdoor unit discharge pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature cha...

Page 188: ...tected Supposed Causes Defect of thermistor R6T for indoor unit discharge pipe Defect of indoor unit PC board A4P Troubleshooting Refer to thermistor resistance temperature characteristics table on P2...

Page 189: ...ted Supposed Causes Defect of thermistor R3T R5T for outdoor unit suction pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P...

Page 190: ...uses Defect of thermistor R7T for liquid R134a Defect of indoor unit PC board A4P Troubleshooting Refer to thermistor resistance temperature characteristics table on P251 Caution Be sure to turn off p...

Page 191: ...nge thermistor is detected Supposed Causes Defect of thermistor R6T for outdoor unit heat exchanger Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature chara...

Page 192: ...hermistor is detected Supposed Causes Defect of thermistor R7T for outdoor unit liquid pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristi...

Page 193: ...hort circuited or open Supposed Causes Faulty subcooling heat exchanger gas pipe thermistor R4T Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics...

Page 194: ...d Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P254 V2806 Caution Be sure to turn off power switch before connecting or disconnectin...

Page 195: ...ction Defect of indoor unit PC board A4P Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P254 V2806 Be sure to turn off power switch be...

Page 196: ...pressure sensor with wrong connection Defect of outdoor unit PC board Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P254 V2808 Cautio...

Page 197: ...t point 2 Refer to Pressure Sensor pressure voltage characteristics table on P254 Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts may be damaged T...

Page 198: ...n case of overcurrent OCP during waveform output When the current sensor malfunctions during synchronized operation In case of IGBT malfunction Supposed Causes Faulty outdoor PC board A1P Over current...

Page 199: ...n case of overcurrent OCP during waveform output When the current sensor malfunctions during synchronized operation In case of IGBT malfunction Supposed Causes Faulty indoor PC board A4P 1 or A5P 3 Ov...

Page 200: ...C board A2P Defect of fin thermistor Troubleshooting Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts may be damaged Faulty heat radiation of power...

Page 201: ...Defect of fin thermistor R8T Troubleshooting Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts may be damaged Faulty heat radiation of power unit Ai...

Page 202: ...erter PC board A2P Overcurrent Troubleshooting Higher voltage than actual is displayed when the inverter output voltage is checked by tester V2812 Compressor inspection Caution Inverter output voltage...

Page 203: ...leshooting Higher voltage than actual is displayed when the inverter output voltage is checked by tester Caution Be sure to turn off power switch before connect or disconnect connector or parts damage...

Page 204: ...occurred Output current check Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Compressor overload Inspection of the...

Page 205: ...rter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Compressor overload Inspection of the compressor and refrigerant system...

Page 206: ...power switch before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when freq...

Page 207: ...urn off power switch before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured w...

Page 208: ...function of connection between the inverter microcomputer and outdoor control microcomputer Defect of outdoor unit PC board A1P or inverter PC board A2P External factor Noise etc Troubleshooting Cauti...

Page 209: ...Causes Malfunction of connection between the inverter microcomputer and indoor control microcomputer Defect of indoor unit PC board A4P 1 or A5P 3 External factor Noise etc Troubleshooting Caution Be...

Page 210: ...rol Display LH Subcode 2 Applicable Models All indoor units Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Inverter PC board problem Troubleshooting Caution Be sure to...

Page 211: ...ower supply open phase Supposed Causes Defect of main circuit capacitor Improper main circuit wiring Defect of outdoor unit PC board A2P Imbalance of phase to phase voltages Open phase Troubleshooting...

Page 212: ...ly open phase Supposed Causes Defect of main circuit capacitor Improper main circuit wiring Defect of indoor unit inverter PC board A4P 1 or A5P 3 Imbalance of phase to phase voltages Open phase Troub...

Page 213: ...is malfunction is detected according to communications with the inverter Malfunction Decision Conditions Make judgment according to communication data on whether or not the type of the inverter PCB is...

Page 214: ...Detection Short of gas malfunction is detected by discharge pipe temperature thermistor and low pressure saturation temperature Malfunction Decision Conditions Microcomputer judge and detect if the s...

Page 215: ...stem Replace the thermistor R3T Replace the outdoor unit PC board A1P YES YES NO NO Out of gas closing of stop valve or refrigerant system is clogged Requires check of refrigerant system Replace main...

Page 216: ...11 016 Method of Malfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the abnormal voltage of main c...

Page 217: ...A2P Check for the PC board conditions In case of significant failure the PC board may have got faulty due to faulty compressor Consequently even if the PC board is replaced it may get faulty again To...

Page 218: ...n of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the abnormal voltage of main circuit capacitor built in the inverter and abno...

Page 219: ...or the PC board conditions In case of significant failure the PC board may have got faulty due to faulty compressor Consequently even if the PC board is replaced it may get faulty again To avoid that...

Page 220: ...s ER Q 011 016 Method of Malfunction Detection Microcomputer checks if transmission between indoor and outdoor unit is normal Malfunction Decision Conditions When transmission is not carried out norma...

Page 221: ...nsmission wiring been modified Indoor unit remote controller displays U4 NO Outdoor unit PC board microcomputer monitor HAP blinks NO NO NO Operation ready lamp H2P is blinking Lamp does not go off fo...

Page 222: ...QA communication of indoor unit Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Wrong wiring between indoor unit PC boards A...

Page 223: ...1P Defect of remote control PC board Malfunction of transmission caused by noise Troubleshooting Refer to information on P221 Caution Be sure to turn off power switch before connecting or disconnectin...

Page 224: ...nit Improper cool heat selection Improper cool heat unified address outdoor unit external control adaptor for outdoor unit Defect of outdoor unit PC board A1P Defect of external control adaptor for ou...

Page 225: ...continue for specified period Supposed Causes Malfunction of transmission between main and sub remote control Connection between sub remote controls Defect of remote control PC board Troubleshooting C...

Page 226: ...f the type of indoor and outdoor unit Setting of outdoor PC board was not conducted after replacing to spare parts PC board Troubleshooting Caution Be sure to turn off power switch before connecting o...

Page 227: ...y erroneous connection of unit Supposed Causes Improper connection of transmission wiring between indoor outdoor unit QA wiring problem Defect of indoor unit PC board Troubleshooting Note Wiring check...

Page 228: ...board A1P Troubleshooting Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts may be damaged V2831 NO YES Fix incorrect wiring push and hold the RESET...

Page 229: ...mperature of indoor unit High ambient temperature Is the suction air temperature not more than 27 C Is the indoor temperature not more than 27 C Faulty suction air thermistor of indoor unit High sucti...

Page 230: ...pipe Cloggingofforeignparticles Stop valve closed Does the piping length fall in the permissible range Conduct visual checks for pipe conditions Is there any temperature difference caused before and...

Page 231: ...r supply off 2 With the fan motor connector on motor side disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following tabl...

Page 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting...

Page 233: ...rter s Power Transistors Modules 255 6 External Backup Heater Kit 258 6 1 Model Name 258 6 2 Main Components 259 6 3 Technical Specifications 261 6 4 Detailed Explanation of Setting Modes 262 6 5 Exte...

Page 234: ...PA RATOR R8T R1T R4T R2T R5T R3T R6T R7T ACCUMULATOR HEATING STOP VALVE WITH SERVICE PORT ON FIELD PIPING SIDE 7 9MM FLARE CONNECTION DEFROST FANS M1F M2F SP p SERVICE PORT 4 WAY VALVE Y1S CAPILLARY T...

Page 235: ...R4T R2T R5T R3T R6T R7T ACCUMULATOR HEATING STOP VALVE WITH SERVICE PORT ON FIELD PIPING SIDE 7 9MM FLARE CONNECTION DEFROST FANS M1F M2F SP p SERVICE PORT 4 WAY VALVE Y1S CAPILLARY TUBE CAPILLARY TUB...

Page 236: ...R 410A R 134a CHECK VALVE M1C E1HC R6T Y1R M K1S R5T Q2L R4T M1P K2S K1E K2E R3T R7T B1PL B1PH S1PH ACCUMULATOR CHECK VALVE KHTS 200 260 G 1 1 4 female WATER OUTLET STANDARD WATER SIDE 3 WAY VALVE REF...

Page 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1...

Page 238: ...tor R6T Discharge thermistor R7T Liquid thermistor R 134a S1PH High pressure switch B1PL Low pressure sensor B1PH High pressure sensor K1E Electronic expansion valve R 410A K2E Electronic expansion va...

Page 239: ...iagrams Appendix 229 1 3 Switch Box Layout EKHBRD 011 014 016 AA V1 EKHBRD 011 014 016 AB AC V1 A7P X3M Fieldwiring to X3M A8P Fieldwiring to X2M A7P Fieldwiring to X1M X1M X2M C1 X2Y X1Y X3Y A5P A4P...

Page 240: ...mber Description A1P Main PCB A2P User interface PCB remote controller A3P Control PCB A4P Inverter PCB A5P QA PCB A6P Filter PCB A7P Digital I O PCB A8P Demand PCB A10P Thermostat PCB A11P Receiver P...

Page 241: ...08A Piping Diagrams Appendix 231 EKHBRD 011 014 016 AAY1 EKHBRD 011 014 016 AB AC Y1 A7P X3M Fieldwiring to X3M A8P Fieldwiring to X2M A7P Fieldwiring to X1M X1M X2M X2Y X1Y X3Y A8P A3P A1P K1A A6P A...

Page 242: ...mber Description A1P Main PCB A2P User interface PCB remote controller A3P Control PCB A4P Inverter control PCB A5P Inverter PCB A6P Filter PCB A7P Digital I O PCB A8P Demand PCB A10P Thermostat PCB A...

Page 243: ...LA LB LC R1 R2 U V W U U V V W W MS POSITION OF COMPRESSOR TERMINAL WIRE ENTRANCE 3 MS 3 MS 3 LD LE C2 C3 C1 K1M V2R V1T X32A S1PH FINTH X111A X11A 1 1 R1T R2T R3T R4T R5T R6T R7T R8T X12A X13A P C4 t...

Page 244: ...r M1C V1T IGBT K1R Magnetic relay Y1S X1M Terminal strip power supply K2R Magnetic relay Y2S X2M Terminal strip control K3R Magnetic relay Y3S X1M Terminal strip C H selector A4P K4R Magnetic relay E1...

Page 245: ...M X2M F6U U U U V V W W V W C1 C2 C3 X111A X105A X106A X506A Z7C Z5C Z6C N 1 N 5 N 6 X516A M1F M1C COMPRESSOR TERMINAL POSITION MS 3 MS 3 MS 3 M2F X507A X517A X107A X109A X191A X108A X104A R9T t L1A L...

Page 246: ...green V3R Diode module H1P 8P A1P Pilot lamp service monitor orange H2P prepare test flickering malfunction detection light up X1M Terminal strip X2M Terminal strip control K1M K2M Magnetic contactor...

Page 247: ...ESIE09 08A Wiring Diagrams Appendix 237 2 2 Field Wiring Connection Diagram ERRQ ERSQ 011 014 016 A V1 Y1 in combination with EKHBRD...

Page 248: ...1 A1P X85A 1 A1P X85A 2 A1P X85A 3 A1P X85A 4 A1P X85A 5 A1P X85A 6 A1P X33A 2 A1P X33A 3 A1P X33A 4 A1P X33A 5 A1P X33A 6 1 2 1 2 3 4 5 6 X85A 1 2 3 4 5 6 X7A 1 2 3 4 5 6 X20A NE 1 2 3 4 5 6 7 8 X25A...

Page 249: ...1R T3R T2R R6T K2E M R7T X4Y R8T C1 C2 C3 C1 R1L Z4F TC RC PS Z2F N 2 V2C N 2 V1C N 2 V4C A6P A4P HAP K3R K1R K4R K1A X3Y Y1R Q2L E1HC S1PH P A5P N 1 A3P X1A 1 6 6 A1P X27A 1 6 6 A1P X27A 3 6 6 A1P X2...

Page 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1...

Page 251: ...ESIE09 08A Wiring Diagrams Appendix 241...

Page 252: ...n valve K2E Electronic expansion valve K R A P PCB relay K1S 3 way valve K2S 2 way valve M1C Compressor M1F M2F Switchbox cooling fan M1P DC inverter pump PC A11P Power circuit PHC1 Optocoupler input...

Page 253: ...A5P QA PCB A6P Filter PCB A7P Digital I O PCB A8P Demand PCB A9P Service PCB A10P Thermostat PCB A11P Receiver PCB R1H EKRTR Humidity sensor R1T EKRTW R Ambient sensor R2T EKHTS Domestic hot water tan...

Page 254: ...F1 F2 F1 F2 P1 P2 X15A X33A A1P X33A 1 A1P X85A 1 A1P X85A 2 A1P X85A 3 A1P X85A 4 A1P X85A 5 A1P X85A 6 A1P X33A 2 A1P X33A 3 A1P X33A 4 A1P X33A 5 A1P X33A 6 1 2 1 2 3 4 5 6 X85A 1 2 3 4 5 6 X7A 1...

Page 255: ...1F Z1F Z3F N 5 V6C N 1 V4C N 2 V5C N 2 A5P V7C N 2 V1C N 1 V2C A4P HAP HAP K3R K1R K2R X3Y Y1R E1HC A6P N 1 A3P X1A 1 6 6 A1P X27A 1 6 6 A1P X27A 3 6 6 A1P X27A 5 6 6 NA L3A L2A L1A F1U F2U R1 U V W U...

Page 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1...

Page 257: ...ESIE09 08A Wiring Diagrams Appendix 247...

Page 258: ...ion valve K1M K2M PCB contactor K R A P PCB relay K1S 3 way valve optional K2S 2 way valve M1C Compressor M1F M2F Switchbox cooling fan M1P DC inverter pump PC A11P Power circuit PHC1 Optocoupler inpu...

Page 259: ...tal I O PCB optional A8P Demand PCB optional A10P Thermostat PCB optional A11P Receiver PCB optional R1H EKRTR Humidity sensor optional R1T EKRTW R Ambient sensor optional R2T EKHTS Domestic hot water...

Page 260: ...Wiring Diagrams ESIE09 08A 250 Appendix...

Page 261: ...43 57 94 52 6 65 6 53 3 56 49 55 08 53 6 41 6 53 4 53 71 52 38 54 6 65 6 53 5 51 09 49 83 55 6 41 6 53 6 48 61 47 42 56 6 18 6 06 7 46 26 45 14 57 5 95 5 84 8 44 05 42 98 58 5 74 5 43 9 41 95 40 94 59...

Page 262: ...14 71 33 92 33 35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61 29...

Page 263: ...ESIE09 08A Thermistor Resistance Temperature Characteristics Appendix 253 Tank Thermistor R2T NTC curve T C Resistance value 20 197 81 k 0 65 84 k 25 20 k...

Page 264: ...0 57V 0 28 PH High pressure MPa VL Low pressure MPa V Voltage V PH Detected Pressure High Side MPa PL Detected Pressure Low Side MPa VH Output Voltage High Side VDC VL Output Voltage Low Side VDC High...

Page 265: ...cking failures in power semiconductors mounted on inverter PC board Check the power semiconductors mounted on the inverter PC board by the use of a multiple tester Items to be prepared Multiple tester...

Page 266: ...Method of Replacing the Inverter s Power Transistors Modules ESIE09 08A 256 Appendix Inverter PC board C C W U V...

Page 267: ...each value variation The following abnormalities are also doubted besides the PC board abnormality Faulty compressor ground fault ground leakage Faulty fan motor ground leakage Tester terminal Criteri...

Page 268: ...External Backup Heater Kit ESIE09 08A 258 Appendix 6 External Backup Heater Kit 6 1 Model Name Model Name EKBUHAA6V3 EKBUHAA6W1...

Page 269: ...2 1 9 10 8 11 No Name 1 Water IN connection 2 Heater E H 3 Water OUT connection 4 Flow switch S1L 5 Air purge 6 Thermal fuse 122 C F1T 7 Contactors K M 8 Thermal protector manual reset 92 C Q1L 9 Ove...

Page 270: ...eset on the heater of the heater kit by pressing the white button for access remove the cover of the kit Caution The electrical box lid must only be opened by a licensed electrician Switch off the pow...

Page 271: ...6 Dimensions H x W x D mm 575 x 415 x 170 Weight kg 12 Connections Water inlet G 1 1 4 male Water outlet G 1 1 4 female Maximum water pressure bar 3 Power supply Phase 1 3N Frequency Hz 50 Voltage ran...

Page 272: ...heat pump Activation of emergency mode is done by changing field setting 8 02 1 Activating the emergency mode will stop the heat pump operation The pump of the indoor unit will be started but heating...

Page 273: ...LWT setpoint Step 1 Step 2 TM2 up LWT LWT setpoint 6 RWT LWT setpoint 10 Step 2 Step 1 or LWT LWT setpoint 2 5 RWT LWT setpoint 6 Step 0 Step 2 20 minutes compressor operation Compressor runs on high...

Page 274: ...5 LWT 55 C Heat request Step 1 Step 2 LWT LWT setpoint 12 LWT 55 C TM1 up 5 minutes Step 2 Step 1 or LWT LWT setpoint 6 5 LWT 65 C Step 1 2 Step 0 Q2L OFF LWT 70 C LWT LWT setpoint 3 5 No heat request...

Page 275: ...power supply and wrongly configured No heater kit installed Troubleshooting Caution Be sure to turn off power switch before connecting or disconnecting connector otherwise parts may be damaged Externa...

Page 276: ...SP Pump speed can be too low due to low ESP 2500 rpm Change minimum required pump speed by changing E 03 to 0 BUH not operating Symbol visible on the remote controller There is not enough water flow C...

Page 277: ...on E1H E2H Backup heater elements F1B F2B Fuse backup heater 20A 400V F1U Fuse 5A T 250V F1T Thermal fuse backup heater K1A Time relay on delay K1M K2M Contactor backup heater step K5M K6M Contactor f...

Page 278: ...up heater elements F1B Fuse backup heater 20A 400V F1U Fuse 5A T 250V F1T Thermal fuse backup heater K1A Time relay on delay K2A Auxilary relay K1M K2M Contactor backup heater step K5M Contactor for b...

Page 279: ...ESIE09 08A External Backup Heater Kit Appendix 269 6 9 Wiring Diagrams EKBUHAA6V3 Power supply Indoor unit Option demand PCB Common BUH step 1 3kW BUH step 2 6kW...

Page 280: ...ckup heater step K5M K6M Contactor for backup heater all pole disconnection S1L Flowswitch Q1DI Earth leakage protector Q1L Thermal protector backup heater manual reset Q2L Thermal protector inlet wat...

Page 281: ...ESIE09 08A External Backup Heater Kit Appendix 271 EKBUHAA6W1 Power supply Indoor unit Option demand PCB Common BUH step 1 2kW BUH step 2 6kW...

Page 282: ...ontactor backup heater step K5M Contactor for backup heater all pole disconnection S1L Flowswitch Q1DI Earth leakage protector Q1L Thermal protector backup heater manual reset Q2L Thermal protector in...

Page 283: ...ESIE09 08A 3 Way Valve Appendix 273 7 3 Way Valve 7 1 Build Up of 3 Way Valve Total assembly Legend Actuator assembly No Name 1 Sleeve 2 Valve motor cover 3 Screw 4 Turn knob...

Page 284: ...right instead of left position Unit is working in DHW mode but 3 way valve is positioned in space heating mode left instead of right position The 3 way valve motor is incorrectly wired to the indoor u...

Page 285: ...parate the 3 way valve motor from the body 1 Check the installed motor position A Middle position factory position in case no power has been applied to the valve yet B Left position space heating C Ri...

Page 286: ...he body position matches with the motor position and correct if necessary by turning the white sleeve to by hand 1 Check if the 3 way valve is connected correctly to X2M Verify that the color code of...

Page 287: ...5 correspond with reference value in different operation modes If not replace main PCB A1P 2 If wiring is correct and output voltages of X2M are correct but motor does not turn when switching from on...

Page 288: ...3 Way Valve ESIE09 08A 278 Appendix...

Page 289: ...08A Precautions for New Refrigerant R 410A 279 Part 9 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 272 1 1 Outline 272 1 2 Refrigerant Cylinders 274 1 3 Service Too...

Page 290: ...ropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product...

Page 291: ...ew Refrigerant R 410A 281 Thermodynamic characteristic of R 410A Temperature C Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specifi...

Page 292: ...ed in high pressure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels let them fall apply impact or rol...

Page 293: ...specification differs for R 410A and R 407C Charging cylinder Weighting instrument used for HFCs Gas detector The same tool can be used for HFCs Vacuum pump pump with reverse flow preventive function...

Page 294: ...ipe extension margin of 0 to 0 5mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with pi...

Page 295: ...ed Maximum degree of vacuum 50 l min 50Hz Select a vacuum pump which is able to keep 60 l min 60Hz the vacuum degree of the system in excess of Suction port UNF7 16 20 1 4 Flare 100 7 kPa 5 torr 755 m...

Page 296: ...ions Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle Offers high rust resistance and stability over long period of time Differences Can be used for R 410A an...

Page 297: ...ences Pressure proof hose Change in service port diameter Use of nylon coated material for HFC resistance 8 Charging cylinder Specifications Use weigher for refrigerant charge listed below to charge d...

Page 298: ...g A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences Measurement is based on weight to prevent change of mixing ratio during charging 10...

Page 299: ...peration Prohibition 69 High Pressure Protection Control 62 High Voltage of Capacitor in Main Inverter Circuit 201 202 I Indoor Unit 8 Inverter Compressor Abnormal 192 193 Inverter Compressor Motor Lo...

Page 300: ...Outdoor Unit PC Board Layout 86 Outdoor Unit Thermistors for Discharge Pipe 252 P P1 201 202 PC Board Defect 142 155 156 PCB Layout for EKHBRD 011 014 016 AAV1 32 PJ 203 Power Supply Insufficient or I...

Page 301: ...sion valve y1e y3e 170 172 malfunction of outdoor unit fan motor 168 malfunction of system refrigerant system address unde fined 218 malfunction of tank thermistor r3t 151 malfunction of thermistor r1...

Page 302: ...ESIE09 08A iv Drawings Flow Charts T torque wrench 285 troubleshooting by remote control 131 turn power on 79 W weigher for refrigerant charge 288 wired remote control 87 wiring diagrams 233...

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Daikin ALTHERMA HT ERSQ 011 AA, Service Manual

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