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Содержание AE-X3M18JR

Страница 1: ...LANATION OF 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 ...

Страница 2: ...Grooved tube type Condenser Corrugate Fin and Grooved tube type Control Expansion valve Name of refrigerant R410A Refrigerant volume 1800g Noise level at cooling dB A High Med Low 7FR 37 34 28 46 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 0 33 9FR 8 6 7 9 5 6 12FR 9 0 8 6 6 1 Fan Cross flow fan Propeller fan Connections R...

Страница 3: ...AEX3M18JR 1 2 2 EXTERNAL DIMENSION 117 320 24 24 52 284 645 621 210 151 940 323 890 290 50 5 570 170 52 52 74 179 320 645 527 890 950 60 ...

Страница 4: ...F 2 6 OFF OFF 2 6 1 4 3 3 3 1 1 5 4 3 680 320 950 07 OFF OFF 2 0 OFF OFF 2 0 1 4 2 7 2 4 1 5 3 2 520 320 710 Operating Status Combination of Indoor Units Heating Capacity kW Running Current A Power Consumption W A B C A B C RATING Min Max RATING Min Max RATING Min Max 3 Room 09 09 09 2 3 2 3 2 3 6 8 2 2 8 4 7 6 1 9 11 4 1660 420 2480 12 09 07 2 9 2 2 1 7 6 8 2 2 8 4 7 6 1 9 11 4 1660 420 2480 12 0...

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: ...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 C from EXPANSION VALVE B from EXPANSION VALVE A from TERMINAL BOARD POWER SUPPLY from TERMINAL BOARD UNIT A N UNITA C 2 COMP TENP HEAT EXCHANGER TEMP OUT DOOR TEMP SUCTION TEMP DISPLAY P W B CONTROL P W B ...

Страница 8: ...HECK 10k 10k 10k 10k 10k JP2 SW2 LED2 LED3 C43 100u 10V C44 0 1u 5V R30 1000pF 50V C119 R102 ZD101 130k 1 4W 1 4W 130k 1 2 3 4 R101 0 022uF C120 50V R100 S R 4 2 1 6 18V 100uF 1 2 3 4 5 6 1 2 3 4 5 6 0 1uF 5V 7805 1 3 5 6 8 10 11 9 13 12 R17 10 2W 3300pF 0 01uF 15V 25V 2SA 1586G 250V TR1 0 1uF 35V 150uF 35V 150uF 0 033uF KIA7805API 0 1uF 10V 25V 680uF 680uF 18V IC7 D15 D13 D14 R18 R22 R23 R26 R27 ...

Страница 9: ...dule 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 Filter circuit AC power...

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: ...OPERATION 1 Overview Defrosting begins during heating if the conditions for compressor operation time and outdoor heat exchanger temperature are met When defrosting begins the 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 tha...

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: ... in above inspections 1 through 4 1 Replace 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 ai...

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: ...ic 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 When operating ...

Страница 21: ... k Thermistor Heatsink Color 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 ...

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 8 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: ...door control PWB or the expansion valve UNIT A or the expansion valve UNIT B or the expansion valve UNIT C 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 f...

Страница 24: ...as side 1 04MPa abs 1 21MPa abs 2 53MPa abs 1 97MPa abs Frequency 100Hz 70Hz 120Hz 50Hz AY XPM12FR 1 unit 1 80 67 89 59 2 38 37 1 3 3 10 13 42 25 4 11 17 2 6 Stop valve pressure Frequency 0 88MPa abs 1 10MPa abs 3 52MPa abs 2 38MPa abs Frequency 70Hz 40Hz 90Hz 40Hz Heat exchanger Heat exchanger Heat exchanger UNIT C UNIT B UNIT A STOP valve Liquid Compressor 4 way valve Accumulator STOP valve Gas ...

Страница 25: ...old 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 74 63 82 53 2 37 38 2 4 3 10 14 38 26 4 13 19 4 7 Stop valve pressure Frequency 0 96MPa abs 1 17 MPa abs 3 20MPa ab...

Страница 26: ...ot 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 3 on the display board unit are flash ing synchronous...

Страница 27: ...remove it 3 Remove the 6 screws fixing the side cover R then remove it 4 Remove the 4 screws fixing the fan guard then remove it and remove the 7 screws fixing the cabinet then remove it 3 screws are at the left 2 screws are at the right 1 screw is at the front 1 screw is at the rear 5 Remove the 3 screws fixing the control box angle then remove it CAUTION DISCHARGE ELECTROLYTIC CAPACITOR BEFORE T...

Страница 28: ...pressor 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...

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: ... 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 24 Disconnect the 5 terminals TP TU TV TW TN and 1 connector CN114 on the IPM PWB And Remove the 2 screws fixing the IPM PWB and remove it NOTE When the ...

Страница 31: ...mistor 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 misconnecting will cause error or failure Active filter or Power transistor module IPM NG OK Thermistor Suction B White Thermistor Heat exch...

Страница 32: ...AEX3M18JR 5 6 MEMO ...

Страница 33: ...The contents are subject to change without notice AEX3M18JR AE 3XM18JR HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION PartsGuide 1 OUTDOOR UNIT 2 CONTROL BOARD UNIT PARTS 3 IPM30A BOARD PARTS 4 PACKING PARTS INDEX CONTENTS ...

Страница 34: ... 1 45 1 44 1 43 3 15 1 10 1 47 1 48 6 6 2 13 2 14 1 12 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 1 53 1 52 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 6 4 6 13 6 14 6 7 1 ...

Страница 35: ...C 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 A244JBWZ AR Bulkhead 1 51 PSPA A146JBE0 AC Spacer 1 52 PS...

Страница 36: ... AV 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 A049JBEZ BH Accumulator 3 12 PCAP A083JBEZ AC Nut bonnet 3 13 PCAP A084JBEZ AC Nut bonnet 3 14 PCMPRA524JBEZ CM Compressor 3 15 PCON A490JBPZ CC Conde...

Страница 37: ...ntegrated circuit IC7 IC8 VHIMM1431A 1 AD Integrated circuit IC8 IC9 VHINJM2904M 1R AD Integrated circuit IC9 L3 L4 RFIL A116JBZZ AY Coil L3 4 L5 RFILNA013JBZZ BE Normal coil L5 L6 RFILNA007CBZZ AR Common coil L6 MRY1 RRLYDA012JBZZ AR Relay MRY1 NR1 NR3 RH VXA002JBZZ AF Varistor NR1 NR3 PC1 VHGPC81716P 1L AD Photo coupler PC1 PC4 6 8 VHGPC817XP3 1L AD Photo coupler PC4 6 8 PC5 7 9 VHGPC853HXP 1R A...

Страница 38: ... A115JBEZ 1 1 21 AM PGUM A119JBEZ 1 1 22 AG PGUM A120JBEZ 1 1 23 AG PGUM A121JBEZ 1 1 24 AE PGUM A141JBEZ 1 1 72 AG PGUMSA068JBE0 1 1 26 AD PGUMSA319JBEZ 1 1 27 AF PMUF A081JBEZ 1 3 17 AY 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...

Страница 39: ...76 AC TLAB C773JBRZ 1 1 62 AN TLABCC413JBRZ 1 1 64 AG TLAB D244JBRZ 1 2 85 AM TLAB D245JBRZ 1 2 84 AF TLAB D315JBEZ 1 1 77 AG TSPC F913JBRZ 1 1 65 AG 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 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 AG VHIKIA339F 1L 2 IC5 AD VHIMM1431A 1 ...

Страница 40: ...N ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in anyform or by any means electronic mechanical photocopying re cording or other wise without prior written permission of the publisher ...

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