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AEX2M14LR

5 – 4

18.Disconnect the 5 terminals (T1, 2, 4, 6, MRY1) and 3 connectors

(CN14, CN2, CN13 (Active Filter)).

19.Remove the 3 screws fixing the power supply board unit (PWB).

20.Disconnect 2 connectors (CN1,CN9). Then lift up the relay board

unit (PWB) and remove it.

21.Remove the 2 screws fixing the heat sink cover then remove it.

22.Cut a wire fixing board.

23.Remove the each of 4 screws fixing the heat sink.

NOTE: Confirm two kinds of spacer put in 4 holes have clung.

Seal the 4 burring holes with silicone sealer before reinstalling.

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Содержание AE-X2M14LR

Страница 1: ...F CIRCUIT AND OP ERATION 1 BLOCK DIAGARM 2 1 2 FUNCTIONS 2 2 3 ACTIVE FILTER CIRCUIT 2 4 4 EXPLANATION OF IPM DRIVE CIRCUIT 2 6 CHAPTER 3 FUNCTION AND OPERATION OF PRO TECTIVE PROCEDURES 1 PROTECTIVE FUNCTIONS AND OPERA TIONS 3 1 2 TROUBLESHOOTING GUIDE 3 2 CHAPTER 4 REFRIGERATION CYCLE 1 REFRIGERATION SYCLE 4 1 2 REFRIGERANT PIPE INSTALLATION WORKS 4 2 CHAPTER 5 DISASSEMBLING PROCEDURE 1 OUTDOOR ...

Страница 2: ...Corrugate Fin and Grooved tube type Control Expansion valve Name of refrigerant R410A Refrigerant volume 1680g Noise level at cooling dB A High Med Low 7FR 37 34 28 45 9FR 39 36 28 12FR 40 37 29 Fan system Drive Direct drive Air flow quantity at cooling m3 min High Med Low 7FR 8 0 7 4 5 4 33 9FR 8 6 7 9 5 6 12FR 10 2 8 6 6 1 Fan Cross flow fan Propeller fan Connections Refrigerant coupling Flare t...

Страница 3: ...AEX2M14LR 1 2 2 EXTERNAL DIMENSION 117 320 24 24 52 284 645 621 210 151 940 323 890 290 50 5 570 170 52 179 320 645 527 890 950 60 ...

Страница 4: ... 09 OFF 2 6 OFF 2 6 1 4 3 3 3 0 1 5 4 2 660 320 920 07 OFF 2 0 OFF 2 0 1 4 2 7 2 3 1 5 3 2 510 320 700 Operating Status Combination of Indoor Units Heating Capacity kW Running Current A Power Consumption W A B A B RATING Min Max RATING Min Max RATING Min Max 2 Room 12 09 2 5 1 9 4 4 1 9 5 4 6 6 1 7 5 9 950 370 1300 12 07 2 8 1 6 4 4 1 9 5 4 6 6 1 7 5 9 950 370 1300 09 09 2 2 2 2 4 4 1 9 5 4 6 6 1 ...

Страница 5: ...DIAGRAMS IPM P W B from ELECTROLYTIC CAPACITOR C10 from ELECTROLYTIC CAPACITOR C10 from COMPRESSOR TERMINAL W ORANGE from COMPRESSOR TERMINAL V WHITE from COMPRESSOR TERMINAL U RED from CONTROL PWB CN14 from CONTROL PWB BCN1 ...

Страница 6: ...IPM P W B CN114 from POWER SUPPLY P W B from TERMINAL BOARD POWER SUPPLY N from TERMINAL BOARD POWER SUPPLY L from DC FAN MOTOR from CONTROL BOX from CONTROL P W B BCN15 from ACTIVE FILTER MODULE from TERMINAL BOARD UNIT C 1 from TERMINAL BOARD UNIT C N from CONTROL P W B BCN17 from CONTROL P W B BCN16 RELAY P W B POWER SUPPLY P W B ...

Страница 7: ... PWB CN101 from RELAY P W B CN9 from POWER SUPPLY P W B CN16 from POWER SUPPLY P W B CN15 from POWER SUPPLY P W B CN17 from EXPANSION VALVE B from EXPANSION VALVE A from TERMINAL BOARD POWER SUPPLY from TERMINAL BOARD UNIT A N UNIT A B 2 COMP TENP HEAT EXCHANGER TEMP OUT DOOR TEMP SUCTION TEMP DISPLAY P W B CONTROL P W B ...

Страница 8: ...㧠㧟㧠㧠㧠㧡㧠㧢㧠㧣㧠㧤㧠㧥㧡㧜㧡㧞㧡㧟㧡㧠㧡㧡㧡㧢㧡㧣㧡㧤㧡㧥㧢㧜㧢㧝㧢㧞㧢㧟㧢㧠㧵㧯㧝㧶㧼㧲㧜㧚㧝Ǵ㧲㧡㨂㧶㧼㧠㧶㧼㧡㧡㧜㨂㧝㧜㧜㧜㨜㧲㧝㧜㧜㧜㨜㧲㧡㧜㨂㧝㧜㧜㧜㨜㧲㧡㧜㨂㧡㧜㨂㧝㧜㧜㧜㨜㧲㧞㧚㧞㨗㧞㧚㧞㨗㧝㧜㨗㧡㨂㧯㧢㧤㧜㧚㧜㧝Ǵ 㧝㧢㨂㨁㧺㧵㨀㧮㨁㧺㧵㨀㧭㧸㧱㧰㧝㧿㨃㧝㧿㨃㨃㧵㧾㧱㧯㧴㧱㧯㧷㧝㧜㨗㧝㧜㨗㧝㧜㨗㧝㧜㨗㧝㧜㨗㧶㧼㧞㧿㨃㧞㧸㧱㧰㧞㧯㧠㧟㧝㧜㧜Ǵ 㧝㧜㨂㧯㧠㧠㧜㧚㧝Ǵ 㧡㨂㧾㧟㧜㧝㧜㧜㧜㨜㧲㧡㧜㨂㧯㧝㧝㧥㧾㧝㧜㧞㨆㧰㧝㧜㧝㧝㧟㧜㨗㧝㧛㧠㨃㧝㧛㧠㨃㧝㧟㧜㨗㧝㧞㧟㧠㧾㧝㧜㧝㧜㧚㧜㧞㧞Ǵ㧲㧯㧝㧞㧜㧡㧜㨂㧾㧝㧜㧜㧾㧠㧞㧝㧢㧝㧤㨂㧝㧜㧜Ǵ㧲㧝㧞㧟㧠㧡㧢㧝㧞㧟㧠㧡㧢㧜㧚㧝Ǵ㧲㧡㨂㧣㧤㧜㧡㧝㧟㧗㧙㧡㧢㧤㧝㧜㧝...

Страница 9: ...t Power transistor module drive circuit Outdoor fan motor drive circuit Power supply circuit Expansion valve A Expansion valve B Expansion valve C CPU oscillator circuit AC overcurrent detection DC overcurrent detection circuit LED Heat exchanger pipe thermistor Compressor thermistor Current transformer Compressor Power transistor module Outdoor fan motor Smoothing circuit Active filter circuit Fi...

Страница 10: ...ped until the indoor operation is stopped DC over cur rent is detected by the power module AC over current is detected by CT1 on the outdoor PWB 3 COMPRESSOR PROTECTION CONTROL If the temperature of the compressor exceeds 113 C the compressor is stopped In this case the outdoor fan is not stopped until the tem perature of compressor drops below 99 C In 90 seconds after the compressor is stopped if...

Страница 11: ...indoor and outdoor fans stop Defrost ing stops when the temperature of the outdoor heat exchanger goes above approximately 15 C or defrosting time exceeds 10 min utes 2 Defrosting If the compressor operation time is more than 20 minutes in the heating mode and the outdoor air temperature and outdoor heat exchange temperature satisfy the defrosting conditions the defrosting operation is started Whe...

Страница 12: ...ilter By adding ON signal to the gate of IGBT from the control IC IGBT turns ON and the collector current Ic flows This current flows from the side of the diode bridge DB to the Choke coil the side of the diode bridge DB through IGBT from the Choke coil L At this time energy is stored in the choke coil L Next when gate signal of IGBT turned OFF IGBT will be turned OFF and the energy stored in L du...

Страница 13: ...bnormal voltage detects the abnormal voltage by inputting the output voltage of Active Filter to the 4th pin of comparator IC IC5 at the divided voltage by the resistors R31 R32 and R33 and comparing with reference voltage When the output voltage of Active Filter reaches 450V or higher the 4th pin of IC5 will be higher than the reference voltage at the 5th pin the output of comparator will be reve...

Страница 14: ...of the compressor 2 DC over current detection circuit When a current about 24A or higher flows through the shunt resistor R100 on IPM printed circuit board PWB the voltage on this resistor is input to IPM CIN pin 16 Then the gate voltage of the lower phase IGBT LU LV LW inside the IPM turns OFF to cut the over current off At the same time an L output which lasts about 1 8 ms is generated from IPM ...

Страница 15: ...tage of motor and current in the coil of motor as shown in the figure below This control is the forced magnetization system indepen dent of the location of rotor detecting the phase differ ence between driving voltage phase and line current phase flowing in motor coil and controls the modulation rate data to get the phase difference at the best effi ciency 5 DC Current Detection Sensor Circuit Con...

Страница 16: ...orts When the room is activated turns ON and the com pressor starts Operation OFF 1 time Yes Yes 7 Thermistor open Compressor is stopped if compressor or heat exchanger or outdoor thermistor opens Close the expansion valve of the corre sponding room if some suction thermistor shorts opens When the room turns ON and the compressor starts Operation OFF 1 time Yes Yes 8 AC abnormal cur rent Compresso...

Страница 17: ...an is in operation Operation OFF or ON Yes 1 Yes Yes 16 DC compressor rotation error Operation stops if rotation of compressor is abnormal During compres sor operation Automatically restarts after safety time 180 sec 8 times Yes Yes 17 IPM overheat pre vention control IPM high tempera ture error The compressor stops if the temperature of Heat sink exceeds 90 C During compres sor operation Automati...

Страница 18: ...ace the outdoor unit IPM PCB assembly 2 Correct the installation tighten the screws Apply silicon grease 3 Replace the outdoor unit fan motor 4 Replace the outdoor unit IPM PCB assembly 5 Replace the compressor Indoor outdoor units in complete shutdown 7 time Outdoor unit AC Current AC overcurrent error 1 Ensure unobstructed air flow from the outdoor unit air outlet 2 Check the outdoor unit fan mo...

Страница 19: ...e the outdoor unit control PCB assembly Clock error 1 Check the clock for proper inputt 1 Replace the outdoor unit control PCB assembly Indoor unit in operation Outdoor unit in complete shutdown Indoor unit in operation Outdoor unit in complete shutdown Indoor outdoor units in operation Indoor outdoor units in operation Wires between units Serial open circuit 1 Check the wires between units 2 Chec...

Страница 20: ...the same electric potential as the 0 V probe The entire electronic control section of the outdoor unit has a voltage potential difference from the ground When the oscilloscope is setup the 0 V line and the ground voltage ground will be short circuited resulting in an excessive current flow to cause damage to the oscilloscope or indoor electric circuits CAUTION when attaching or removing the board ...

Страница 21: ...or Black To measure the resistance first remove the connector as shown at right Signal CN8B Heatsink thermistor TH5 black 25ºC resistance 50k Tester 1 3 Figure 3 Temperature properties of heatsink thermistor Yes Yes Yes No No No Are the timer lamps of the in door units in all rooms flashing Is the compressor of the outdoor unit operating Are the timer lamps of the indoor units in all rooms flashin...

Страница 22: ...Is CN6 connected The cycle is abnormal The compressor is abnormal P U N U P V N V P W N W A Is the resistance value of the ther mistor for the com pressor TH1 heat ex changer TH2 or outdoor temper ature TH3 or suc tion TH4 TH6 7 correct Is each of the resist ance values among the terminals of the IPM PWB 0 P U N U P V N V P W N W Is each of the resistance values among the termi nals of the IPM PWB...

Страница 23: ... mode Replace the outdoor control PWB or the expansion valve UNIT A or the expansion valve UNIT B Is the resistance value of the winding in the fan motor Abnormal fan motor of indoor unit Replace the indoor fan motor Is the wiring between the units connected by mistake or broken Repair the wiring between the units Replace the indoor control PWB Is the resistance value of the ther mistor for UNIT A...

Страница 24: ...3 15 28 24 4 17 21 4 4 Stop valve pressure gas side MPa gauge 1 00 1 13 2 35 1 72 Frequency Hz 60 35 70 30 AY XPM12FR 1 unit 1 80 67 77 54 2 38 37 2 3 3 10 13 39 28 4 12 18 3 5 Stop valve pressure gas side MPa gauge 0 78 1 01 3 20 2 25 Frequency Hz 65 35 70 35 Heat exchanger Heat exchanger Heat exchanger UNIT B UNIT A STOP valve Liquid Compressor 4 way valve Accumulator STOP valve Gas Expansion va...

Страница 25: ...core pusher 4 Open the gauge manifold valve and operate the vacuum pump for 10 15 minutes Make sure the compound gauge reads 0 1MPa 76cmHg 5 Close the gauge manifold valve 6 Turn off the vacuum pump 7 Fully open the stop valve liquid side with hexagon socket screw key Turn all the way up to contact AY XPM9FR 1 unit 1 73 63 77 48 2 37 37 2 4 3 10 14 38 28 4 14 20 4 5 Stop valve pressure gas side MP...

Страница 26: ...ng check may not be performed when the outdoor temperature is below 5 C 1 Complete the unit to unit wiring piping and perform the air remov ing of the pipes Turn the electrical circuit breaker ON Before turn ing the circuit breaker ON make sure no one is working on the indoor units installation Electrical shock or injury may occur 2 Check that all LED LED1 2 on the display board unit are flashing ...

Страница 27: ...hall be available and in the case of open flames or arcs fire extinguishing apparatus shall be ready to hand Welding and brazing shall be carried out by qualified workmen 1 OUTDOOR UNIT CAUTION DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY SERVICING 1 PROCEDURE 1 Remove the 2 screws fixing the pipe cover then remove it 2 Remove the 3 screws fixing the control box cover then remove it 3 Remove t...

Страница 28: ...r when reinstalling 9 Remove the 13 screws fixing the rear cabinet then remove it 1 screw is at the left 5 screws are at the right 7 screws are at the rear 10 Unfasten the nut fixing the propeller fan then remove it Remove the 5 screws fixing the control box then remove it 1 screw is at the right 4 screws are at the front NOTE How to disassemble of control box assembly is shown in step 15 25 11 Re...

Страница 29: ...valves How to disassemble the control box assembly 16 Cut the 3 wire fixing bands Disconnect the 7 connectors CN6 CN15 CN9A CN16 CN17 CN5 CN101 IPM Lift up the Control Board Unit PWB and remove it 17 Disconnect the 2 terminals Blue and Brown And Remove the 3 screws fixing the terminal board angle assembly then turn it inside out TH8 BROWN Just on the tilted pipe Just on the horizontal pipe Just on...

Страница 30: ...t PWB 20 Disconnect 2 connectors CN1 CN9 Then lift up the relay board unit PWB and remove it 21 Remove the 2 screws fixing the heat sink cover then remove it 22 Cut a wire fixing board 23 Remove the each of 4 screws fixing the heat sink NOTE Confirm two kinds of spacer put in 4 holes have clung Seal the 4 burring holes with silicone sealer before reinstalling ...

Страница 31: ...hermistors and expansion valves Mounting position of thermistors and expansion valves are shown below Thermistor Check the cord color of thermistor before mounting Thermistor Suction Suction A Suction B Suction C are mounted on GAS side pipes Thermistor Heat exchanger is mounted on LIQUID side pipe Expansion valve Check the labels before connecting to the Control Board Unit CAUTION Mismounting and...

Страница 32: ...AEX2M14LR 5 6 MEMO ...

Страница 33: ... after sales service only The contents are subject to change without notice AEX2M14LR PartsGuide 1 OUTDOOR UNIT 2 CONTROL BOARD UNIT PARTS 3 IPM30A BOARD PARTS 4 PACKING PARTS INDEX MULITI SPLIT TYPE ROOM AIR CONDITIONERS OUTDOOR UNIT AE X2M14LR MODEL In the interests of user safety Required by safety regulations in some countries the set should be restored to its original condition and only parts...

Страница 34: ... 43 3 15 1 10 1 47 1 48 6 6 2 13 2 14 1 12 1 49 2 67 6 5 6 5 6 5 1 30 1 3 4 4 4 6 4 3 1 42 6 4 1 31 1 73 1 34 1 32 1 50 1 26 3 11 2 67 1 14 6 1 3 1 3 19 1 54 1 21 1 22 2 66 1 24 1 23 6 13 1 1 3 7 3 20 3 21 3 18 6 8 3 17 3 14 1 15 3 8 3 16 2 80 1 16 1 13 1 16 1 27 1 4 1 55 6 4 6 13 6 3 6 3 6 5 1 59 1 28 3 6 3 5 1 19 1 68 1 20 1 57 1 58 3 4 3 2 3 3 3 9 3 9 3 10 3 12 3 13 3 10 1 60 1 66 1 46 6 5 1 77...

Страница 35: ...C261JBEZ AC Seal B 1 39 PSEL C262JBEZ AC Seal C 1 40 PSEL C277JBEZ AG Cover insulator 1 41 PSEL C282JBEZ AD Cushion 1 42 PSEL C343JBEZ AE Bulkhead insulator A 1 43 PSEL C353JBEZ AP Insulator 1 44 PSEL C354JBEZ AE Insulator 1 45 PSEL C369JBEZ AC Accum cushion 1 46 PSEL C370JBEZ AC Insulator 1 47 PSEL C371JBEZ AC Seal 1 48 PSEL C372JBEZ AC Seal 1 49 PSEL C373JBEZ AC Seal 1 50 PSKR A353JBWZ AZ Bulkhe...

Страница 36: ... unit 3S 3 3 DVLV A953JBKZ AU Flare union unit 3S 3 4 DVLV A954JBKZ AU Flare union unit 2S 3 5 DVLV A668JBKZ AZ 3way valve unit 3 6 DVLV A669JBKZ AW 3way valve unit 3 7 GLEG A029JBE0 AE Comp cushion rubber 3 8 LBSHCA005JBE0 AA Terminal bushing 3 9 LX NZA250JBEZ AE Flare nut 3 10 LX NZA251JBEZ AG Flare nut 3 11 PACU A052JBEZ BH N Accumulator 3 12 PCAP A083JBEZ AC Nut bonnet 3 13 PCAP A084JBEZ AC Nu...

Страница 37: ...t IC7 IC8 VHIMM1431A 1 AD Integrated circuit IC8 IC9 VHINJM2904M 1R AD Integrated circuit IC9 NR1 NR3 RH VXA002JBZZ AF Varistor NR1 NR3 PC1 VHGPC81716P 1L AD Photo coupler PC1 Q11 VSKRC245M 3 AC Transistor Q11 Q13 15 VS2SA1020Y 1 AH Transistor Q13 15 RY1 RRLYDA008JBZZ AH Relay RY1 SA1 QSPGCA006JBZZ AH Surge absorb SA1 SW1 3 QSW PA016DRE0 AB Tact switch SW1 2 3 TR1 RTRNWA034JBZZ AG Transformer TR1 ...

Страница 38: ...5JBEZ 1 1 21 AM PGUM A119JBEZ 1 1 22 AG PGUM A120JBEZ 1 1 23 AG PGUM A121JBEZ 1 1 24 AE PGUMS0170JBE0 1 1 26 AE PGUMSA319JBEZ 1 1 27 AF PMUF A091JBEZ 1 3 17 AZ PRDAFA163JBEZ 1 1 25 AP PRDAFA215JBEZ 1 2 13 BE PRDAFA216JBEZ 1 2 14 BC PSEL B954JBEZ 1 1 30 AF PSEL B956JBEZ 1 1 31 AF PSEL B966JBEZ 1 1 32 AC PSEL C011JBEZ 1 1 34 AC PSEL C017JBEZ 1 1 35 AC PSEL C019JBEZ 1 1 36 AD PSEL C037JBEZ 1 2 15 AE ...

Страница 39: ...62 AN TLABCC545JBRZ 1 1 64 AH TLAB D243JBRZ 1 2 85 AM TLAB D246JBRZ 1 2 84 AF TLAB E544JBRZ 1 1 61 AM TLAB E787JBEZ 1 1 77 AK TLABMA819JBRA 1 1 63 N TSPC G699JBRZ 1 1 65 AK N V VHD1SR139 6 1 2 D2 4 AB 2 D19 21 AB VHD1SR35 4A 1 2 D26 37 AC VHD1SS133 1 2 D1 D38 AA VHDD25VB 1 3 VHDD25VB60 1 1 2 65 AN VHDRK36LF011B 2 D14 AD VHGPC81716P 1L 2 PC1 AD VHGPC817XP3 1L 2 PC4 6 8 AD VHGPC853HXP 1R 2 PC5 7 9 A...

Страница 40: ...ut prior written permission of the publisher COPYRIGHT XXXX BYSHARP CORPORATION ALL RIGHTS RESERVED COPYRIGHT 2009 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying re cording or other wise without prior written permission of the publisher ...

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