Nibe AG-WT10 series Technical Manual Download Page 10

Page: 10 / 49

Document Number:

38-9007-142

Revision:

S.A.C.

S.r.l .

Sede Legale: Via Varese, 90

Società a socio unico

I - 21013 Gallarate (VA)

Telefono: +39 0331 755111

Fax: +39 0331 784513

Codice Fiscale e R.I. Varese 08930800159

Capitale Sociale Euro 8.287.000

Partita IVA IT 01982420125

REA N. 221925 - Varese

Components operation

Indoor Fan

When unit is switched on, indoor fan runs at the speed selected on the remote controller.

Auto fan speed

If Auto Fan speed is selected, the fan speed will be managed according to the graph below:

where TL is the thermal load of the room calculated by the controller.

Cold Draft protection

When unit is in heating mode, fan speed could be limited or stopped to prevent cold air drafts from the
heat exchanger when heat exchanger is not warm enough.
In this case, fan speed is managed accorging to the graph below:

(*): Values can vary based on “dynamic cold draft” algorithm.

MIN

Fan speed

31°C

Remote controller set

ICT (*)

37°C

MIN

Fan speed

LOW

HIGH

MAX

Summary of Contents for AG-WT10 series

Page 1: ... Varese 90 Società a socio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese Technical manual NIBE AG WT10 Air to air indoor unit ...

Page 2: ...Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese TABLE OF CONTENTS 1 SCOPE 4 2 TECHNICAL SPECIFICATIONS 5 3 REFRIGERANT CIRCUIT AND SENSORS POSITION 6 4 ELECTRICAL WIRING DIAGRAM 7 5 PRINCIPLE OF FUNCTIONING 9 6 COMPONENTS OPERATION 10 7 REMOTE CONTROLLER SETTINGS AND FUNCTIONS 12 8 COMPONENT DESCRIPTION 14 9 TROUBLESHOOTING 16 10 COMPONENT REPLACEMENT 18 11 PACKAGING 47 12 RA...

Page 3: ...ce Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese REVISION NOTES Rev Date Author Checked Comments 00 26 09 2014 MDG AG First release 01 17 10 2014 MDG AG Updated some values under Technical specifications section 02 25 11 2014 AG MDG Added model AG WT10 7 Added Scope Packaging and Rating Labels sections ...

Page 4: ...NIT MODEL TABLE NIBE ARGO Model number AG WT10 4 AWIAS13 069133 AG WT10 7 AWIBS13 069134 cross reference with similar ARGO models DECLARATION OF CONFORMITY CE Units described in this document conform to the protection requirement of the following EC directives EMC Directive 2004 108 EC LVD Low Voltage Directive 2006 95 EC RoHS 2 Directive 2011 65 EU Standards EN378 2 2008 A1 2009 EN 60335 1 2002 A...

Page 5: ...1 5 Fan speeds n Auto 3 remote control settings Sound pressure el l m h dB A 25 31 39 42 Power supply V Ph Hz 230 1 50 Power input kW 0 046 Liquid pipe diameter mm 6 35 1 4 Gas pipe diameter mm 9 52 3 8 Net weight kg 10 Net dimension H W D mm 289x845x209 AG WT10 7 Features Unit Value Airflow rate el l m h m h 520 610 720 800 Dehumidification l h 2 0 Fan speeds n Auto 3 remote control settings Soun...

Page 6: ...o 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 3 Refrigerant circuit and sensors position Note In heating mode the refrigerant flow is in the opposite direction of the COOL arrows ICT Indoor Coil Sensor RAT Room Air Sensor ...

Page 7: ...00159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 4 Electrical wiring diagram Legend A1 Main control pcb TH2 Room Air Sensor RAT A2 LEDs Infrared Receiver pcb TH1 Outdoor Coil Sensor ICT F1 Main Fuse 3 15A 250V EVAP Heat exchanger F2 Communication Fuse RS485 bus 100mA 250V FLP Flap stepper motor SW1 SW3 Dip switch FMI Fan motor JP1 2 3 4 Jumpers J13 On Off jumper...

Page 8: ...Jumpers JP1 Factory use Default open JP2 Factory use Default open JP3 Factory use Default closed JP4 Factory use Default open On Off contact J13 Closed unit operates according to the remote controller settings Factory default Open unit is always switched off Dip switch SW1 Communication address setting Circuit A 1 Off 2 Off factory default Circuit B 1 ON 2 Off Circuit C 1 Off 2 ON Circuit D 1 ON 2...

Page 9: ...e thermal load of the room is low Auto mode When the unit is in auto mode auto cooling or auto heating the system will switch between heating and cooling mode to maintain the room air temperature RAT to the set point temperature SPT The system will switch between heating and cooling mode if one of the following conditions is met Cooling Heating if at least 3 minutes have passed since the compresso...

Page 10: ...d on the remote controller Auto fan speed If Auto Fan speed is selected the fan speed will be managed according to the graph below where TL is the thermal load of the room calculated by the controller Cold Draft protection When unit is in heating mode fan speed could be limited or stopped to prevent cold air drafts from the heat exchanger when heat exchanger is not warm enough In this case fan spe...

Page 11: ...ap motor Flap will be positioned according to the remote controller settings If Auto Swing or Full Swing option is selected flap will be moved with a lower speed in order to better distribute the air in the room If Auto Swing is selected In cooling or dry mode the flap will address the air to the upper part of the room In heating the flap will address the air to the lower part of the room Air ioni...

Page 12: ...ensor If the unit is in heating mode a heating shift is applied to the value read by the sensor For example it the sensor reads 25 C the actual temperature will be 22 C The heating shift is indoor unit dependent IFeel ON Remote Controller inside the range of the infrared receiver In this case the unit controls the temperature of the room based on the value of the sensor of the remote controller IF...

Page 13: ...arge Be sure to have set the remote controller with 38kHz frequency Night Mode When Night Mode is activated fan speed is automatically reduced 1 hour after the Night Mode has been activated the setpoint of the unit will change according to the following table Heating mode Cooling or Dry Mode Decresed by 2 C Increased by 1 C To come back to the original setpoint disable the Night Mode option High P...

Page 14: ... 220 240V 220 240V Rated frequency 50 Hz 50 Hz Number of poles 4 4 Insulation class E E Rated power 20 W 50 W Main 210 8 Ω Main 133 8 Ω Resistance of enamel wire at 20 C Aux 360 8 Ω Aux 133 8 Ω Input current No load 192 10 mA 197 10 mA Flap motor AG WT10 4 AG WT10 7 Rated voltage 12V DC 12V DC Number of phase 4 4 Insulation class E E Resistance per phase at 25 C 200 7 Ω 130 7 Ω Minimum static dete...

Page 15: ...re Used for Thermal load calculation Fan management T RAT ICT C Resistance Kohm Voltage Vdc Resistance Kohm Voltage Vdc 20 131 090 2 158 192 000 2 173 15 101 342 2 068 145 000 2 080 10 78 585 1 962 110 300 1 972 5 61 162 1 843 84 610 1 849 0 47 800 1 712 65 370 1 715 5 37 527 1 572 50 870 1 572 10 29 606 1 427 39 870 1 424 15 23 477 1 280 31 470 1 276 20 18 715 1 137 25 010 1 131 25 15 000 1 000 2...

Page 16: ...tion address setting is in the correct position Check that earth cables are properly connected to every terminal Check that the shield of the communication cable is properly connected to every terminal Chech that all internal earth cable are properly connected Check the communication fuse on outdoor unit Check the communication fuse on indoor unit Check that the outdoor unit has power supply and t...

Page 17: ...s as soon as the sensor is repaired Reconnect or replace the sensor Check that the fan motor is properly connected to the PCB as shown in the electrical wiring diagram Check that the fan motor is not locked E6 Fan motor error Fan is stopped and flap is closed The system restarts automatically after some seconds Check that the fan motor is not damaged and if necessary replace it E8 Combination betw...

Page 18: ...39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 10 Component replacement AG WT10 4 Fan motor 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover ...

Page 19: ...o unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Remove the retainer from the fan motor connector ...

Page 20: ...331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 7 Disconnect the following wires fan motor J6 J7 sensors J17 ion generator J18 J21 step motor J5 8 Unscrew the brass screw and disconnect the evaporator ground wire 9 Remove the electrical box by slackening off the top screw ...

Page 21: ...socio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 10 Unscrew the heat exchanger on the right side 11 Unscrew the heat exchanger on the left side ...

Page 22: ...A N 221925 Varese 12 Press the tab on the right side of the heat exchanger to unlock and slide it upwards If the heat exchanger does not slide upwards follow the instruction 12a 12b 12c and 12d 12a Pump down the system collect all refrigerant on outdoor unit 12b Disconnect the refrigerant connection tubes of indoor unit 12c Unmount the unit from the wall 12d Unscrew the tubes locking bracket on th...

Page 23: ... 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 13 Unscrew the heat exchanger support and remove it 14 Loosen the connecting screw between motor and fan shaft 15 Unmount the motor and replace it 16 Reassemble in reverse order ...

Page 24: ... VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese Main control board 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover ...

Page 25: ...o unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Remove the retainer from the fan motor connector ...

Page 26: ...1013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 7 Disconnect all wires connected 8 Remove the control board 9 Reconnect the new control board as it was with the previous one ...

Page 27: ...efono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese LEDs and Infrared Receiver board 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover ...

Page 28: ...fono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Slide the PCB outwards 7 Disconnect receiver wires J1 J2 8 Reconnect the new receiver 9 reassemble in reverse order ...

Page 29: ...rate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese Flap motor 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover ...

Page 30: ...io unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Disconnect the step motor cable from the PCB J5 ...

Page 31: ...ocio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 7 Remove the step motor by unscrewing the two screws and replace it 8 Reassemble in reverse order ...

Page 32: ...Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese AG WT10 7 Fan motor 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover 1 3 2 ...

Page 33: ...o unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Remove the retainer from the fan motor connector ...

Page 34: ...1 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 7 Disconnect the following wires fan motor J6 J7 sensors J17 ion generator J18 J21 step motor J5 8 Unscrew the brass screw and disconnect the evaporator ground wire 9 Remove the electrical box by slackening off the fixing screws ...

Page 35: ...ocio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 10 Unscrew and remove the bends evaporator cover 11 Unscrew the heat exchanger on the right side ...

Page 36: ...00 Partita IVA IT 01982420125 REA N 221925 Varese 12 Unscrew the heat exchanger on the left side 13 Press the tab on the right side of the heat exchanger to unlock and slide it upwards If the heat exchanger does not slide upwards follow the instruction 13a 13b 13c and 13d 13a Pump down the system collect all refrigerant on outdoor unit 13b Disconnect the refrigerant connection tubes of indoor unit...

Page 37: ...elefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 13d Unscrew the tubes locking bracket on the rear sideand remove the heat exchanger as shown in instruction 13 14 Unscrew the heat exchanger support and remove it ...

Page 38: ...1013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 15 Loosen the connecting screw between motor and fan shaft 16 Unmount the motor and replace it 17 Reassemble in reverse order ...

Page 39: ... Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese Main control board 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover 1 3 2 ...

Page 40: ...o unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Remove the retainer from the fan motor connector ...

Page 41: ...1013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 7 Disconnect all wires connected 8 Remove the control board 9 Reconnect the new control board as it was with the previous one ...

Page 42: ...no 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese LEDs and Infrared Receiver board 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover 1 3 2 ...

Page 43: ...fono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Slide the PCB outwards 7 Disconnect receiver wires J1 J2 8 Reconnect the new receiver 9 reassemble in reverse order ...

Page 44: ...e VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese Flap motor 1 Unscrew the receiver 2 Unscrew the terminal block window 3 Unscrew the frontal panel and remove it 4 Remove the electrical box cover 1 3 2 ...

Page 45: ...io unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 5 Cut off the cable tie of the electrical box wires 6 Disconnect the step motor cable from the PCB J5 ...

Page 46: ...ocio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 7 Remove the step motor by unscrewing the two screws and replace it 8 Reassemble in reverse order ...

Page 47: ...Sede Legale Via Varese 90 Società a socio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 11 Packaging AG WT10 4 ...

Page 48: ... S r l Sede Legale Via Varese 90 Società a socio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese AG WT10 7 ...

Page 49: ... l Sede Legale Via Varese 90 Società a socio unico I 21013 Gallarate VA Telefono 39 0331 755111 Fax 39 0331 784513 Codice Fiscale e R I Varese 08930800159 Capitale Sociale Euro 8 287 000 Partita IVA IT 01982420125 REA N 221925 Varese 12 Rating Labels ...

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