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TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

No. OC360

NOTE:
• This manual does not

cover outdoor units.

When servicing outdoor

units, please refer to the
outdoor unit`s service

manual together with this

manual.

CONTENTS

1. REFERENCE MANUAL ······································2

2. PART NAMES AND FUNCTIONS ···················3

3. SPECIFICATIONS ············································6

4. DATA ······························································14

5. OUTLINES AND DIMENSIONS ·····················28

6. WIRING DIAGRAM ········································31

7. REFRIGERANT SYSTEM DIAGRAM ············32

8. TROUBLESHOOTING ···································34

9. FUNCTION SETTING·····································50

10. 4-WAY AIR FLOW SYSTEM ··························57

11. SYSTEM CONTROL ······································62

12. DISASSEMBLY PROCEDURE ······················76

13. PARTS LIST ···················································79

14. OPTIONAL PARTS ········································84

Indoor unit

[Model names]

[Service Ref.]

PLH-3AAK

PLH-4AAK

PLH-5AAK

PLH-6AAK

PLH-3AAKH

PLH-4AAKH

PLH-5AAKH

PLH-6AAKH

February 2006

INDOOR UNIT

WIRED REMOTE

CONTROLLER

WIRELESS REMOTE

CONTROLLER

ON/OFF

TEMP

ON/OFF

TEMP.

Model name
indication

OC360--1.qxp 06.2.24 1:56 PM Page 1

Содержание PLH-3AAKH

Страница 1: ...NSIONS 28 6 WIRING DIAGRAM 31 7 REFRIGERANT SYSTEM DIAGRAM 32 8 TROUBLESHOOTING 34 9 FUNCTION SETTING 50 10 4 WAY AIR FLOW SYSTEM 57 11 SYSTEM CONTROL 62 12 DISASSEMBLY PROCEDURE 76 13 PARTS LIST 79 1...

Страница 2: ...AL Service Ref Service Manual No PUH 3VKA2 TH A PUH 3YKA1 TH A PUH 4YKSA1 TH A PUH 5 6YKSA3 TH A PUH 3VKA TH PUH 3YKA TH PUH 4 5 6YKSA TH PUH 3NKA TH PUH 4 5 6TKSA TH OC156 OC354 OC325 1 1 OUTDOOR UNI...

Страница 3: ...n Check button Clear button Airflow Up Down button Louver button Operation button To preceding operation number Ventilation button Operation button To next operation number On the controls are set the...

Страница 4: ...onding timer is set Up Down Air Direction indica tor The indicator shows the direc tion of the outcoming airflow One Hour Only indicator Displayed if the airflow is set to weak and downward during COO...

Страница 5: ...current time display Displays the order of timer operation display Displays whether timer is on or off w In case the outdoor unit is cool only type the heating mode is not available Buttons used to s...

Страница 6: ...rol Thermostat Noise level Low High Unit drain pipe O D Dimensions Weight Service Ref Power supply phase cycle voltage External finish Refrigerant control Compressor Heat exchanger Fan Defrost method...

Страница 7: ...kg lbs kW A A kW kW K min CFM dB mm in mm in mm in kg lbs kg lbs L mm in mm in PLH 3AAK Cooling w1 w2 23 200 27 300 6 800 8 000 4 29 3 68 0 16 0 77 1 00 UNIT 840 33 1 6 UNIT 840 33 1 6 UNIT 258 10 1...

Страница 8: ...Fan motor output Airflow Charge Oil Model W D H W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Function Capacity Total input INDOOR UNIT OUTDOOR UNIT REFRIGERANT PIPING Item...

Страница 9: ...harge Oil Model W D H W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Function Capacity Total input INDOOR UNIT OUTDOOR UNIT REFRIGERANT PIPING Item Service Ref Btu h W kW kW...

Страница 10: ...output Airflow Charge Oil Model W D H W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Function Capacity Total input INDOOR UNIT OUTDOOR UNIT REFRIGERANT PIPING Item Service...

Страница 11: ...il Model W D H W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Function Capacity Total input INDOOR UNIT OUTDOOR UNIT REFRIGERANT PIPING Item Service Ref Btu h W kW kW A A kW...

Страница 12: ...No Fan motor output Airflow Charge Oil Model W D H W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Function Capacity Total input INDOOR UNIT OUTDOOR UNIT REFRIGERANT PIPING I...

Страница 13: ...Charge Oil Model W D H W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Function Capacity Total input INDOOR UNIT OUTDOOR UNIT REFRIGERANT PIPING Item Service Ref Btu h W kW k...

Страница 14: ...1 00 0 92 0 80 0 68 1 00 1 00 0 88 0 76 0 64 0 52 0 72 0 60 0 48 0 80 0 68 0 56 0 44 0 88 0 76 0 64 0 52 0 92 0 80 0 64 0 52 0 96 0 84 0 72 0 60 1 00 0 92 0 80 0 68 1 00 1 00 0 88 0 76 2 66 2 71 2 66...

Страница 15: ...0 80 0 64 0 52 0 96 0 84 0 72 0 60 1 00 0 92 0 80 0 68 1 00 1 00 0 88 0 76 3 20 3 28 3 20 3 28 3 36 3 20 3 28 3 36 3 44 3 20 3 28 3 36 3 44 3 20 3 28 3 36 3 44 3 20 3 28 3 36 3 44 3 20 3 28 3 36 3 44...

Страница 16: ...0 73 0 61 1 00 0 89 0 77 0 65 1 00 0 97 0 85 0 73 1 00 1 00 0 93 0 81 2 77 2 83 2 77 2 83 2 88 2 77 2 83 2 88 2 94 2 77 2 83 2 88 2 94 2 77 2 83 2 88 2 94 2 77 2 83 2 88 2 94 2 77 2 83 2 88 2 94 2 77...

Страница 17: ...3 59 3 34 3 42 3 50 3 59 3 34 3 42 3 50 3 59 3 34 3 42 3 50 3 59 8404 8982 8404 8982 9594 8404 8982 9594 10240 8404 8982 9594 10240 8404 8982 9594 10240 8404 8982 9594 10240 8404 8982 9594 10240 8404...

Страница 18: ...5 0 83 0 71 0 59 1 00 0 91 0 79 0 67 1 00 0 99 0 87 0 75 3 61 3 69 3 61 3 69 3 76 3 61 3 69 3 76 3 83 3 61 3 69 3 76 3 83 3 61 3 69 3 76 3 83 3 61 3 69 3 76 3 83 3 61 3 69 3 76 3 83 3 61 3 69 3 76 3 8...

Страница 19: ...0 95 0 83 0 71 0 59 1 00 0 91 0 79 0 67 1 00 0 99 0 87 0 75 4 35 4 46 4 35 4 46 4 56 4 35 4 46 4 56 4 67 4 35 4 46 4 56 4 67 4 35 4 46 4 56 4 67 4 35 4 46 4 56 4 67 4 35 4 46 4 56 4 67 4 35 4 46 4 56...

Страница 20: ...81 0 69 0 57 1 00 0 89 0 77 0 65 1 00 0 97 0 85 0 73 4 06 4 15 4 06 4 15 4 22 4 06 4 15 4 22 4 30 4 06 4 15 4 22 4 30 4 06 4 15 4 22 4 30 4 06 4 15 4 22 4 30 4 06 4 15 4 22 4 30 4 06 4 15 4 22 4 30 13...

Страница 21: ...3 0 81 0 69 0 57 1 00 0 89 0 77 0 65 1 00 0 97 0 85 0 73 4 89 5 01 4 89 5 01 5 13 4 89 5 01 5 13 5 25 4 89 5 01 5 13 5 25 4 89 5 01 5 13 5 25 4 89 5 01 5 13 5 25 4 89 5 01 5 13 5 25 4 89 5 01 5 13 5 2...

Страница 22: ...13859 13309 P C 2 34 2 53 2 69 2 60 2 80 2 99 2 60 2 80 2 99 3 71 4 00 4 26 CA 6593 6334 6077 8163 7842 7524 10988 10557 10128 12636 12140 11647 P C 2 12 2 29 2 43 2 35 2 54 2 69 2 35 2 54 2 69 3 36 3...

Страница 23: ...970 0 952 0 935 25m 0 940 0 960 0 940 0 918 30m 0 925 0 950 0 925 0 900 35m 0 913 0 940 0 913 0 884 40m 0 900 0 930 0 900 0 869 45m 0 886 0 920 0 886 0 855 50m 0 874 0 910 0 874 0 840 Service Ref PLH...

Страница 24: ...0 3 44 0 25 1 25 2 0 3 19 5 23 39 Heat 10 300 12 700 3 43 5 82 0 25 2 64 1 25 11 49 2 0 12 2 3 18 5 22 39 PLH 5AAK H Cool 12 300 4 49 0 29 1 43 2 0 4 20 7 05 63 Heat 13 800 16 560 4 44 7 20 0 29 3 05...

Страница 25: ...12 400 4 51 Heating 14 000 4 46 6 89 1 85 18 9 0 44 4 5 76 46 4 0 5 27 19 12 5 35 24 0 73 0 10 6 81 1 94 19 8 0 36 3 7 81 1 1 5 20 15 45 5 7 6 1 43 1 43 PUH 5YKSA TH 3 50 415 Cooling 14 000 5 07 Heati...

Страница 26: ...EL 0dB 0 0002 BAR BAND CENTER FREQUENCIES Hz PLH 3AAK H High Low 34 SPL dB 28 LINE NOTCH 7 NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROTIMATE TERESHOLD OF...

Страница 27: ...27 UNIT 1 5m MICROPHONE CEILING Ambient temperature 27 Test conditions are based on JIS Z8731...

Страница 28: ...ontrol wire entry Feeding hole Drain pump 577 374 286 840 197 159 60 17 5 0 17 5 0 135 30 190 159 605 159 192 170 140 50 70 98 89 C 840 860 910 20 45 20 45 20 45 20 45 Fresh air intake Branch duct hol...

Страница 29: ...29 WIRED REMOTE CONTROLLER Unit mm 130 120 19...

Страница 30: ...30 WIRELESS REMOTE CONTROLLER Unit mm 159 3 55 58 19...

Страница 31: ...WIRED REMOTE CONTROLLER BOARD W B HEATER WIRELESS REMOTE CONTROLLER BOARD RU RECEIVING UNIT FS1 THERMAL FUSE 72 16A FS2 THERMAL FUSE 104 16A H1 HEATER 26H HEATER THERMAL SWITCH 88H HEATER CONTACTOR B...

Страница 32: ...t insulator Flexible tube Ball valve Strainer 4 way valve Oil separator Service port check High pressure control switch Outdoor unit Outdoor heat exchanger Thermistor RT Capillary tube Restrictor valv...

Страница 33: ...e Restrictor valve Strainer Bypass valve Compressor Accumulator Ball valve with service port Thermal Switch Refrigerant pipe option r 9 52mm 3 8 with heat insulator Capillary tube Restrictor valve Dis...

Страница 34: ...nd check the installation environment refrigerant amount weather when the inferior phenomenon occurred and wiring related 2Reset error code logs and restart the unit after finishing service 3There is...

Страница 35: ...es continuously beep beep beep 0 4 0 4 0 4 sec after the initial two beeps to confirm the self check start signal was received the specified refrigerant address is incorrect OPERATION INDICATOR lamp f...

Страница 36: ...the outdoor unit s protection device is not connected Reverse or open phase wiring for the outdoor unit s power terminal block Incorrect wiring between indoor and outdoor units Remote controller wire...

Страница 37: ...ature with remote controller in test run mode If pipe liquid temperature is exclusively low in cooling mode or high in heating mode refrigerant circuit may have defective 5 Check pipe liquid temperatu...

Страница 38: ...n motor is defective Indoor controller board is defective 5 Defective outdoor fan control 6 Overcharge of refrigerant 7 Defective refrigerant circuit clogs Heating mode 1 Clogged filter reduced airflo...

Страница 39: ...could not find blank of transmission path for six seconds and could not transmit Error code E3 2 Remote controller receives transmitted data at the same time compares the data and when detecting it j...

Страница 40: ...temperature is detected to be less than 10 for a total of 30 minutes When the drain sensor is detected to be NOT soaked in the water the detection record of a and b will be cleared 3 The drain sensor...

Страница 41: ...on indoor power board If no problem are found indoor con troller board is defective 2 LED2 on indoor controller board is blinking When LED1 on indoor controller board is also blinking Connection fail...

Страница 42: ...ing and piping of the indoor and outdoor units check for refrigerant leakage looseness in the power supply or control wiring wrong polarity and no disconnection of one phase in the supply 4 Use a 500...

Страница 43: ...ntroller or indoor unit micro computer troubles 1 When the wired remote control or the indoor unit microcomputer has failed but all other compornents work if you set the switch SWE SW6 on the indoor c...

Страница 44: ...have passed since the power supply was intercepted Surrounding temperature 0 60 Vane motor Drain pump Drain sensor Refer to the thermistor Refer to the thermistor Room temperature thermistor TH1 Pipe...

Страница 45: ...Thermistor R0 15k 3 Fixed number of B 3480 2 Rt 15exp 3480 0 15k 10 9 6k 20 6 3k 25 5 4k 30 4 3k 40 3 0k Thermistor R0 6 0k 5 Fixed number of B 3390 2 Rt 6 exp 3390 0 6 0k 10 3 9k 20 2 6k 25 2 2k 30...

Страница 46: ...7 1 Power board PLH 3AAK H PLH 4AAK H PLH 5AAK H PLH 6AAK H CNSK Connect to the indoor controller board CNDK Between 1 1 to 3 3 220 240V AC CN2S Connect to the indoor controller board CN2D Between 1 1...

Страница 47: ...Connector HA terminal A CN6V Vane motor output MV CN90 Connect to the wireless remote controller board CNB CN31 Drain sensor DS CN51 Centrally control CN24 Heater output 12V DC SW1 Model setting SW2 C...

Страница 48: ...controller and indoor control PCB J41 J42 are given in the table on the left in the table indicates the jumper line is disco nnected SW5 3 Main Sub setting OFF Main ON Sub SW5 4 Rotaion operation set...

Страница 49: ...rs the check code memory push button switch SW2 Switches the output state indication and the check code display push button switch SW3 1 2 Switches the output state indication items dip switch 4 100 f...

Страница 50: ...rost prevention temperature Humidifier control Rotation OFF ON Indoor unit s Main internal sensor Remote controller s internal sensor Not supported Supported indoor unit not equipped with outdoor air...

Страница 51: ...2 Main Unit is abnormal Operation starts Main Sub Sub Main Setting No 02 168hours cycle Outdoor unit Setting No 03 Main Unit is abnormal Indoor Operation starts Main Sub unit Remote Controller Main Su...

Страница 52: ...below Use C and D 5 Enter the setting Press E Specified indoor unit BLOW operation Change refrigerant address unit No 2 Switch to function setting mode Press A and B at the same time with the remote c...

Страница 53: ...if F appears and flashes in the unit number display area and the address display area also flashes there are no units that correspond to the selected unit number In this case the address and unit num...

Страница 54: ...repeated twice 3 2 beeps 0 4 seconds each repeated three times If a setting number that cannot be recognized by the unit is entered the setting will turn back to the original setting If the signal was...

Страница 55: ...alue The automatic mode is displayed when the operation mode is selected 2 OFF The automatic mode is not display when the operation mode is selected 4 3 Mode selection setting 1 Remote controller main...

Страница 56: ...tial setting value Operation lock setting is except On Off buttons Operation lock setting is All buttons The automatic mode is displayed when the operation mode is selected Initial setting value The a...

Страница 57: ...t out located at the positions shown in following diagram as and when required Note Be sure to add135mm to the dimensions in the diagram that are marked with a w if installing a multi function casemen...

Страница 58: ...igh efficiency filter Taking air into the unit Multifunction casement Standard filter Multifunction casement High efficiency filter Taking air into the unit 3 Fresh air intake amount static pressure c...

Страница 59: ...urring hole pitch 150 Cut out hole 14 2 8 Burring hole 350 90 7 0 _ 100 100 90 100 130 w155 w167 Branch duct hole Fig 1 Branch duct mounting position Fig 2 Branch duct connection details Multiple remo...

Страница 60: ...ressure Pa Air flow m3 min 30 40 50 60 20 10 0 1 2 3 4 5 6 7 8 9 Hi Lo Static pressure Pa Air flow m3 min 50 60 70 80 90 100 40 30 20 10 0 1 2 3 Hi Lo 4 5 6 7 8 9 10 11 12 13 14 Static pressure Pa Air...

Страница 61: ...2131415 16 Static pressure Pa Air flow m3 min 50 60 70 80 90 100 110 120 40 30 20 10 0 1 2 3 Hi Lo 4 5 6 7 8 9 10 11 12131415 16 Static pressure Pa Air flow m3 min 50 60 70 80 90 100 110 120 40 30 20...

Страница 62: ...onerscanbeturnedON OFFcollectively from a distance Operation can be switched between the remote operat ing panel and handheld controller Operations e g temperature adjustment airflow air flow directio...

Страница 63: ...owing the start of operation The time can be set from 30 minutes to 4 hours in 30 minute increments Only one timer can be selected the simple and auto off timers cannot be combined Connecting a Lossna...

Страница 64: ...r unit Remote controller Power source wiring Polarity 1 2 3 Power supply terminal block L N Indoor outdoor connection cable terminal block 1 2 Polarity Remote controller cable terminal block 1 2 No po...

Страница 65: ...simultaneous twin units connect two wireless remote controller receivers one each to any two of the indoor units All the functions of the connected indoor units can be controlled even if the system co...

Страница 66: ...1 4 GROUP CONTROL OPERATION COLLECTIVEOPERATIONANDCONTROLOFMULTIPLEREFRIGERANTSYSTEMS 2 to 16 Group control can be operated by using MAC 397IF E The setting of wired remote controller is subjected to...

Страница 67: ...ple indoor units and remote control interfaces are connected to a single MA remote controller Always start the refrigerant address at 0 1 Even when connecting multiple outdoor units set a different re...

Страница 68: ...6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 Refrigerant address 0 Refrigerant address 1 Refr...

Страница 69: ...ntly set to OFF 4 speeds 3 speeds 2 speed model set ON When operating a 2 speed model with the 3 speed setting ON the MA remote controller display will indicate 3 fan speeds The table below shows the...

Страница 70: ...above an indoor unit it should be positioned 40 mm or more away from the unit to ensure that ceiling grills can be removed 40 mm or more Attach the interface unit connecting cable here Store extra co...

Страница 71: ...ler is installed in a room and control room refer to the section on operating with two remote controllers Indoor unit Indoor unit Indoor unit Remote controller Control room room 1 room 2 room 3 11 7 C...

Страница 72: ...mand is issued until the operation begins 1 1 This is when starting and stopping is performed by remote operation or external timer and when starting and stopping by the remote controller is to be pro...

Страница 73: ...CVS or equivalent Wire size Stranded wire 0 5mm2 to 1 25mm2 Single straged 0 65mm to 1 25mm Display lamp etc No voltage a contact AC200V DC30V 1A or less External input function External input signal...

Страница 74: ...extending the Lossnay linkage cable be sure to connect securely and take proper steps to ensure insulation Extension cable specifications Sheathed vinyl cord or cable 0 5 to 0 75mm2 Lossnay linked ca...

Страница 75: ...r 3wires 3wires 3wires 2wires No 1 unit No 2 unit No 3 unit Muitiple remote control ON OFF display Field supply Operation check System Power supply RL 1 GL 1 Multiple Remote Control Display Multiple r...

Страница 76: ...roller board in the electrical box White 2P for pipe temperature detecting thermistor Blue 2P for drain pump White 3P for drain sensor 6 Remove the 3 screws from the electrical box loosen another 2 sc...

Страница 77: ...s Slide the panel so that the screw comes to a large diameter of the oval hole which has two different diameters Photo 6 Photo 5 Photo 4 4 Remove the fan motor 1 Remove the bell mouth See photo 1 2 Re...

Страница 78: ...the electrical box See photo 2 4 Remove the drain pan See photo 6 5 Remove the 3 screws of the drain pump 6 Cut the drain hose band pull out the drain hose from the drain pump 7 Pull out the drain pum...

Страница 79: ...4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AIR OUTLET GRILLE VANE CORNER PANEL RECEIVER CORNER PANEL L L FILTER GRILLE ASSY RECEIVING UNIT WIRELESS REMOTE CONTROLLER BOARD VANE MOTOR VANE BUSH GEAR VANE...

Страница 80: ...UNT TH2 MF MF R01 E28 114 R01 E29 114 R01 08K 097 R01 E06 480 R01 E07 480 R01 E08 480 R01 E09 480 R01 E06 418 T7W E06 202 T7W E06 762 T7W E07 762 R01 A41 105 1 2 1 1 1 1 1 1 1 1 1 4 1 2 1 1 1 1 1 1 1...

Страница 81: ...RATURE THERMISTOR INSULATOR HEATER THERMAL SWITCH THERMAL FUSE INNER COVER INNER COVER LEG FAN MOTOR FAN MOTOR RUBBER MOUNT H1 H1 H1 TH2 26H FS2 MF MF 240V 700W 240V 867W 240V 1000W 50 C OFF 104 C 16A...

Страница 82: ...1 1 1 1 1 1 1 RG00A239GP4 RG00G623G05 DP DS P B FUSE I B TH1 TB5 TB4 TB2 C C 6 3A 250V 2P 1 2 3P 1 2 3 3P L N 3 5 440V 7 0 440V R01 E02 529 R01 E00 529 R01 E01 529 R01 A41 523 T7W E08 355 R01 E00 266...

Страница 83: ...1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 DP DS P B I B TH1 TB5 TB4 TB2 88H C C 2P 1 2 3P 1 2 3 3P L N JC 1A DC12V 3 5 440V 7 0 440V R01 E02 529 R01 E00 529 R01 E01 529 R01 A41 523 T7W E0...

Страница 84: ...YLW GRN 2 MULTIPLE REMOTE CONTROLLER ADAPTER This adapter is needed for remote indication operation check 1 REFRIGERANT PIPES Service Ref PLH 3AAK H Service Ref PLH 4AAK H PLH 5AAK H PLH 6AAK H Part N...

Страница 85: ...HUTTER PLATE 20set 2pcs set PAC SG03TM E PLH 3 4 5 6AAK H Part No Applicable Service Ref PAC SG01KF PLH 3 4 5 6AAK H 7 HIGH EFFICIENCY FILTER ELEMENT PAC SG03TM E is needed Part No Applicable Service...

Страница 86: ...UNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Feb 2006 No OC360 PDF 9 Made in Japan New publication effective Feb 2006 Specifications sub...

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