Argo AEI1G 42 EMX Technical Data & Service Manual Download Page 3

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REVISION NOTES

Rev.

Date

Author

Checked

Comments

21/03/2016

MDG

First release.

07/04/2016

MDG

Added page numbers. Modified component replacement
section to be more easy to read. Updated troubleshooting
and diagnostic tables.

Summary of Contents for AEI1G 42 EMX

Page 1: ...TECHNICAL DATA SERVICE MANUAL OUTDOOR UNIT AEI1G 42 EMX AEI1G 50 EMX SPLIT SYSTEM AIR CONDITIONER May 2016 iSeries AEI1G 42 50 EMX ...

Page 2: ... SPECIFICATIONS 6 4 REFRIGERANT CIRCUIT 8 5 ELECTRICAL WIRING DIAGRAM 9 6 PRINCIPLE OF FUNCTIONING 11 7 COMPONENTS OPERATION 14 8 DEFROST 16 9 PROTECTIONS 18 10 COMPONENT DESCRIPTION 19 11 DIAGNOSTIC TABLE 22 12 TROUBLESHOOTING 23 13 COMPONENT REPLACEMENT 27 14 PACKAGING 35 15 LABELS 36 ...

Page 3: ... Rev Date Author Checked Comments 00 21 03 2016 GV MDG First release 01 07 04 2016 GV MDG Added page numbers Modified component replacement section to be more easy to read Updated troubleshooting and diagnostic tables ...

Page 4: ...ective2006 42 EC the PED Directive 2014 68 EU the RoHS 2 directive 2011 65 UE 2015 863 EU amending ANNEX II Energy Related Products ErP Directive 2009 125 EC Applied Standards Regulations EN378 2 2008 A1 2009 EN60335 1 2012 EN60335 2 40 2003 A11 2004 A12 2005 A1 2006 A2 2009 A13 2012 EN62233 2008 EN55014 1 2006 A1 2009 A2 2011 EN55014 2 1997 A1 2001 A2 2008 EN61000 3 2 2014 EN61000 3 3 2013 EU Reg...

Page 5: ...rd and valve covering gray RAL7042 Material Panel zinc coated steel sheet Fan guard and valve covering polypropylene Painting 2 layers 20 µ or more for electro coating lower layer 40 µ or more for polyester powder paint coating top layer Total Coating thickness is 60 µ or more 240 hrs salt spray test AEI1G 42 50 EMX ...

Page 6: ...2 9 EN14511 Power supply V Ph Hz 230 1 50 Power input max W A 1790 7 80 R410A standard refrigerant charge kg 1 3 Compressor type Twin Rotary Fan speed Auto Sound pressure max dB A 41 Liquid pipe mm inch 6 35 1 4 Gas pipe mm inch 9 52 3 8 Total lenght of pipes standard load m Dual 15 Mono 7 5 Total lenght of pipes additional load m Dual 30 Mono 20 Single unit lenght of pipes standard load m Dual 12...

Page 7: ...ower supply V Ph Hz 230 1 50 Power input max W A 1790 7 80 R410A standard refrigerant charge kg 1 3 Compressor type Twin Rotary Fan speed Auto Sound pressure max dB A 41 Liquid pipe mm inch 6 35 1 4 Gas pipe mm inch 9 52 3 8 Total lenght of pipes standard load m Dual 15 Mono 7 5 Total lenght of pipes additional load m Dual 30 Mono 20 Single unit lenght of pipes standard load m Dual 12 Single unit ...

Page 8: ...Refrigerant circuit Note In heating mode the refrigerant flow is in the opposite direction of the COOL arrows INV 4 way valve EXP Electronic Expansion Valve DEF defrost valve COM Compressor AEI1G 42 50 EMX ...

Page 9: ...mm Fuse RS485 bus cable 5x20 100mA 250V OCT Outdoor Coil Sensor SW1 Dip switch EEV Electronic Expansion Valve JP1 2 3 Jumpers CCH Crankcase Heater EF Electromagnetic Interference Filter ER Drip tray heater CM Compressor CWP Condensate water pipe heater FM Fan motor EI PFC Inductor INV 4 way valve WTT Wide tube sensor DEF Defrost valve NTT Narrow tube sensor ...

Page 10: ...efault open JP2 Defrost type selection Default closed JP3 Heating only option Default open heating and cooling Dip switch SW1 Factory use Default 1 Off 2 Off Note Jumper and dip switch settings can be changed only when unit is powered off ...

Page 11: ...return a wrong mode error see the error table of the indoor unit if the indoor units are in auto mode the first unit that selects the mode see Auto mode section will set the system in that mode and the other indoor units will adapt to that mode mantaining anyway their setpoint Heating mode When the system is in heating mode it will regulate the heating capacity delivered to the rooms to increase t...

Page 12: ...compressor and fan speeds are regulated by the thermal load calculation of all the rooms the level of protecion of the system During cooling mode 4 way valve is deactivated Dehumidification dry mode When an indoor unit is in dry mode the unit will operate according to the following table Notes When dry mode is active the temperature of the room could decrease below the setpoint temperature if the ...

Page 13: ...f at least 1 hour have passed since the unit was stopped and T 1 Heating Cooling if at least 3 minutes have passed since the unit was stopped and T 3 Heating Cooling if at least 1 hour have passed since the unit was stopped and T 1 where T RAT SPT Fan mode When an indoor unit is in fan mode Thermal load of the indoor unit is 0 no heating or cooling capacity demand to the outdoor unit The system op...

Page 14: ...ions Overheating on the outdoor heat exchanger cooling or dry mode Overheating on the power electronics Electronic Expansion Valve EEV EEVs are managed based on the system conditions to meet the maximum efficiency point of operation and to guarantee a safe operation of the system In cooling mode EEVs of indoor units without a capacity demand will be closed In heating mode EEVs of indoor unit witho...

Page 15: ...n the coldest part of the system Crankcase heater is activated if the following conditions are met Compressor is stopped OAT il lower than 5 C Difference between CDT and OAT is lower than 18 5 C When crankcase is active it will be deactivated if one of the following condition is met Compressor starts OAT increases above 5 C Difference between CDT and OAT is higher than 21 5 C Drip tray heater buil...

Page 16: ...ld 40 35 30 25 20 15 10 5 0 45 35 25 15 5 5 15 OAT OCT L1 L2 The defrost ends if one of these conditions is satisfied sse graph below OCT rise above line L3 and defrost has been active for at least 2 minutes defrost has been active for 12 minutes 15 minutes if OAT is below 15 C Defrost exit threshold 5 10 15 20 25 30 45 35 25 15 5 5 15 OAT OCT L3 Before reversing the cycle at the beginning and at ...

Page 17: ...ne only with the reverse cycle method The hot gas bypass defrost is also disabled if OAT falls below 2 C When defrost is active 4 way valve is deactivated reverse cycle type or defrost valve is opened hot gas bypass type Compressor runs at a fixed speed if no protection is active EEVs are open at a fixed value Fan is off When defrost ends 4 way valve is reactivated reverse cycle type or defrost va...

Page 18: ...ng of the indoor unit heat exchanger This protection is active only in cooling or dry mode and starts to limit the compressor speed when ICT is lower than 8 C Furthermore if the unit is stopped because of this protection in order to drip away all the condensed water on the indoor coil it will not restart until ICT is higher than 8 C Overheating on the compressor This protection checks the compress...

Page 19: ...6 rated output 900W winding resistance 20 C U V 0 98 Ω U V 0 98 Ω U V 0 98 Ω overload protector EXTERNAL Fan Motor model ZW465B57 motor BRUSHLESS MOTOR n of poles 8 rated output 20 W rpm variable 200 850 winding resistance 25 C BRN W BLK U 206 Ω WHT V BLK U 206 Ω BRN W WHT V 206 Ω 4 way Valve model SHF 7K 34U valve SHF 4 10L3 coil coil rating AC 220 240V 50 60Hz coil resistance 1440 Ω 7 at 20 C El...

Page 20: ...nagement Protection against overheating of the heat exchanger cooling or dry mode Defrost cycle management heating mode OAT Outdoor Air Temperature Used for EEV management Fan management Defrost cycle management Crankcase heater management Base heater management CDT Compressor Discharge Temperature Used for EEV management Protection against overheating of the compressor Crankcase heater management...

Page 21: ...8 15 769 2 099 15 760 1 287 15 769 1 288 15 769 1 288 20 12 513 1 141 12 513 2 016 12 510 1 141 12 513 1 141 12 513 1 141 25 10 000 1 002 10 000 1 924 10 000 1 002 10 000 1 002 10 000 1 002 30 8 045 0 873 8 045 1 823 8 048 0 873 8 045 0 873 8 045 0 873 35 6 514 0 756 6 514 1 715 6 518 0 756 6 514 0 756 6 514 0 756 40 5 306 0 652 5 306 1 602 5 311 0 652 5 306 0 652 5 306 0 652 45 4 348 0 560 4 348 ...

Page 22: ...22 11 Diagnostic table When unit is working properly DL3 is solid ON DL4 is solid ON if any indoor unit is switched ON otherwise it s OFF ...

Page 23: ...fuse on outdoor unit Check the communication fuse on indoor unit only certain models Indoor units not powered on Check that the indoor units have power supply and that the units are working Outdoor or indoor units pcb out of order Check that all the pcbs are powered on Be sure that power supply has not been connected to the communication terminals Check that there are no burnt signes on the pcbs i...

Page 24: ...topped Outdoor pcb damaged MCE microcontroller not programmed or MCE microcontroller firmware is corrupted If the error is permanent change the outdoor pcb Bad connection between the fan motor s module and the heatsink or missing fan module s heatsink Check that the fan motor module is properly connected to the heatsink and that the screws on the module are properly mounted with the right torque C...

Page 25: ...stopped The system restarts automatically after 3 minutes Lack of refrigerant in the refrigerant circuit Check the refrigerant amount in the unit find and repair a possible leakage and recharge the unit with the correct refrigerant amount 8 OCT Outdoor Coil Temperature sensor fault Compressor and fan are stopped The system restarts as soon as the sensor is repaired Sensor out of order or disconnec...

Page 26: ...nsor is repaired Sensor out of order or disconnected check wiring diagram Reconnect or replace the sensor 15 or 100 Wrong selection of indoor units combined with the outdoor unit Compressor and fan are stopped The selection of the indoor units connected to the outdoor unit is not allowed Check for the allowed combinations Choose a correct indoor outdoor units combination 101 Test Mode error at fac...

Page 27: ...27 13 Component replacement FRONT RIGHT LEFT AND REAR PANEL ...

Page 28: ...28 ...

Page 29: ...29 CONTROL AND EXPANSION BOARD remove the right the left the front and the rear panel ...

Page 30: ...30 ...

Page 31: ...31 ...

Page 32: ...32 COMPRESSOR remove the right the left the front and the rear panel ...

Page 33: ...33 EXPANSION VALVE remove the right the left the front and the rear panel ...

Page 34: ...34 FAN MOTOR remove the right the left the front and the rear panel ...

Page 35: ...ackaging 1 bottom carton box 6 upper left PS shield 11 PP band 2 lower left PS shield 7 upper right PS shield 3 lower PS shield 8 carton box 4 lower right PS shield 9 staple 5 polietylene sheet 10 scotch tape ...

Page 36: ...36 15 Labels Energy labels AEI1G 42 EMX ...

Page 37: ...37 AEI1G 50 EMX Energy labels ...

Page 38: ...38 Rating labels ...

Page 39: ... ARGOCLIMA SPA Via Alfeno Varo 35 Alfianello BS Italy ...

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