Page 2 - REFERENCE MANUAL
2 1 REFERENCE MANUAL Service Ref. Service Manual No. PUH-3VKA 2 .TH-A PUH-3YKA 1 .TH-A PUH-4YKSA 1 .TH-A PUH-5/6YKSA 3 .TH-A PUH-3VKA.THPUH-3YKA.THPUH-4/5/6YKSA.TH PUH-3NKA.THPUH-4/5/6TKSA.TH OC156 OC354 OC325 1-1. OUTDOOR UNIT’S SERVICE MANUAL OC360--1.qxp 06.2.24 1:56 PM Page 2
Page 3 - PART NAMES AND FUNCTIONS; Operation buttons; Grille; Indoor Unit
3 2 PART NAMES AND FUNCTIONS ● Operation buttons PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF Set Temperature buttons Down Up Timer Menu button(Monitor/Set button) Mode button (Return button) Set Time buttons Back Ahead Timer On/Off button(Set Day b...
Page 4 - Display; ̊F ̊C; Caution
4 ● Display For purposes of this explanation,all parts of the display are shownas lit. During actual operation, onlythe relevant items will be lit. ˚F˚C ˚F˚C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF Identifies the current...
Page 5 - Wireless remote controller
5 ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE CHECK TEST RUN ˚C AMPM AMPM VANE CONTROL button Used to change the air flow direction. CLOCK button RESET button SET button ON/OFF button The unit is turned ON and OFF alternately ...
Page 6 - SPECIFICATIONS
6 SPECIFICATIONS 3 PLH-3AAK(H) Cooling 26,300 7,700 3.32 0.17 0.81 1.00 UNIT : 840(33-1/6) UNIT : 840(33-1/6) UNIT : 258(10-1/8) UNIT : 24(53) [26(57)] 3.15 13.82/5.16 58/37 Heating 28,700[35,800] 8,400[10,500] 3.11[5.21] 0.17[2.27] 0.81[9.47] 1.00[9.7] PANEL : 950(37-3/8) PANEL : 950(37-3/8) PANEL ...
Page 14 - DATA
14 4 DATA 1. PERFORMANCE DATA [50Hz] 1) COOLING CAPACITY(1) PLH-3AAK(H) CA : Capacity (W) SHC : Sensible heat capacity (W) P.C. : Power consumption (kW) SHF : Sensible heat factor Outdoor intake air D.B.( ° C) 20 25 30 Indoor Intake air D.B.( ° C) Indoor Intake air W.B.( ° C) 20 20 22 22 22 24 24 24...
Page 22 - Cooling capacity correction factors; Heating capacity correction factors
22 Cooling capacity correction factors Refrigerant piping length(one way) 5m 1.00 1.00 1.00 1.00 10m 0.981 0.989 0.981 0.975 15m 0.968 0.980 0.968 0.955 20m 0.952 0.970 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 0.8...
Page 25 - STANDARD OPERATION DATA
25 Capacity Input Indoor unit Service Ref. Phase, Hz Volts Amperes Outdoor unit Service Ref. Phase,Hz Volts Amperes Discharge pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Ref. pipe length Intake airtemperature Discharge air temperature Intake airtemperat...
Page 26 - NOISE CRITERION CURVES
26 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROTIMATETERESHOLD OFREARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, BAND CENTER FREQUENCIES, Hz (0dB=0.0002 µ BAR) PLH-4AAK(H) High NOTCH Low 41 SPL(dB) 33 LINE 90 80 70 60 50 40 30...
Page 27 - Ambient temperature 27
27 UNIT 1.5m MICROPHONE CEILING Ambient temperature 27 : Test conditions are based on JIS Z8731 OC360--1.qxp 06.2.24 1:56 PM Page 27
Page 28 - OUTLINES AND DIMENSIONS
28 5 OUTLINES AND DIMENSIONS Unit : mm Air outlet hole Vane motor Auto vane Drain hole Grille Drain pipeVP-25connection(O.D. { 32) Branch duct hole(Cut out hole) Ceiling surface Suspension bolt pitch Ceiling hole Branchduct hole Suspension bolt pitch Ceiling hole Air outlet hole Air intake hole 411 ...
Page 29 - WIRED REMOTE CONTROLLER
29 WIRED REMOTE CONTROLLER Unit : mm 1 3 0 120 1 9 OC360--1.qxp 06.2.24 1:56 PM Page 29
Page 30 - WIRELESS REMOTE CONTROLLER
30 WIRELESS REMOTE CONTROLLER Unit : mm 159.3 55 58 19 OC360--1.qxp 06.2.24 1:56 PM Page 30
Page 31 - WIRING DIAGRAM
31 6 WIRING DIAGRAM PLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAK PLH-3AAKH PLH-4AAKH PLH-5AAKH PLH-6AAKH 3 2 1 3 2 1 5 3 1 MF FAN (WHT) RED WHT BLK BLK X1 X4 X1 X4 C BCR 3 1 DP D.U.M CNP (BLU) YLW YLW 3 1 3 1 3 3 1 YLW YLW D.HEATER CNC(RED) RED WHT WHT POWERCNDK(RED) POWERCND(ORN) 2 1 2 1 POWERCN2D(WHT) 2 1 ...
Page 32 - REFRIGERANT SYSTEM DIAGRAM
32 REFRIGERANT SYSTEM DIAGRAM 7 Indoor unit Indoor heat exchanger Refrigerant pipe(option)15.88 mm ( { 5/8") (with heat insulator) Flexible tube Ball valve Strainer 4-way valve Oil separator Service port Service port High pressure control switch Outdoor unit Outdoor heat exchanger Thermistor RT ...
Page 34 - TROUBLESHOOTING; Wired remote controller
34 8 TROUBLESHOOTING <Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit.Actions to be taken for service,which depends on whether or not the ...
Page 41 - -4. TROUBLESHOOTING BY INFERIOR PHENOMENA; Phenomena
41 8-4. TROUBLESHOOTING BY INFERIOR PHENOMENA • When LED1 on indoor controller board is also off. 1 Power supply of 220~240V AC is not supplied to indoor unit. 2 Defective indoor controller board. 3 Defective indoor power board. Phenomena Cause Countermeasure (1)LED2 on indoor controller board is of...
Page 42 - H G
42 (3)Upward/downward vane performance failure 1 The vane is not downward during defrosting and heat preparation and when the thermostat is OFF inHEAT mode. (Working of COOL protection function) 2 Vane motor does not rotate. • Defective vane motor• Breaking of wire or connection failure of connector...
Page 43 - to
ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK TEST RUN 3 , 4 7 2 6 A 5 1 Turn on the power to the unit at least 12 hours before the test run. 2 Press the button twice continuously. (Start this operation from the status of remote controller display turned ...
Page 44 - Fan motor
44 8-6. HOW TO CHECK THE PARTSPLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAK PLH-3AAKH PLH-4AAKH PLH-5AAKH PLH-6AAKH Parts name Check points Disconnect the connector then measure the resistance using a tester.(Surrounding temperature 10 : ~30 : ) Measure the resistance between the terminals using a tester.(Sur...
Page 48 - -8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE
48 48 SW1 Setting by the dip switch and jumper wire Functions Jumper wire Modelsettings SW5 Systemsettings Capacitysettings Pair numbersetting withwireless remotecontroller Remarks SW2 J41J42 012 3 ~ 9 Wireless remote controller setting Control PCB setting J41 J42 <Settings at time of factory shi...
Page 49 - -9 OUTDOOR UNIT SERVICE FUNCTIONS (OUTDOOR CONTROLLER BOARD); (3) Function of switches on the outdoor controller board
49 8-9 OUTDOOR UNIT SERVICE FUNCTIONS (OUTDOOR CONTROLLER BOARD) (1) Compulsory defrosting 1 When all of the following conditions are satisfied, pressing SW2 starts the compulsory defrosting. ● During HEAT mode ● The compressor is ON. ● The outdoor coil temperature is being displayed by LED. (Outdoo...
Page 50 - FUNCTION SETTING; Function; -1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER; setting the
50 9 FUNCTION SETTING Function Settings No. Mode No. Setting Initial setting (Factory setting) - : Not available 4-Way cassette Ceiling concealed Ceiling suspended Wall mounted Floor standing PLH-AAK(H) PEH-EAK(H) PCH-GAK(H) PKHGAKL(H) PSH-GAK(H) PEHD-EAK(H) PKA-FAKL(H) Filter sign 100Hr 1 2500Hr 07...
Page 51 - ON; Main; and
51 Rotation setting (Function setting mode No.20) Function setting Features Indoor controller board Mode No. This system can correspond only by the pattern of two refrigerant group by 1 : 1 (indoor and outdoor unit combination) systems. Setting No. SW5-3 setting SW5-4 setting 19 01 (24hours cycle) 0...
Page 55 - -2. FUNCTION SELECTION OF REMOTE CONTROLLER
55 9-2. FUNCTION SELECTION OF REMOTE CONTROLLER The setting of the following remote controller functions can be changed using the remote controller function selection mode.Change the setting when needed. Item 1 1.Change Language("CHANGE LANGUAGE")2.Function limit("FUNCTION SELECTION"...
Page 56 - Flowchart of Function Setting
56 OFF on1 on2 OFF ON OFF ON OFF OFF CALL- ON OFF ON OFF : ° F PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF F E G C D H B A I G G G G G G E E G G G G E G E G G G G D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D EN GE ES RU IT ZH FR JA H...
Page 57 - -WAY AIR FLOW SYSTEM; Placement of the air outlets; Blowout direction
57 4-WAY AIR FLOW SYSTEM 10 1. Placement of the air outlets • For this grille, the blowout direction comes in 11 patterns. Also,by unit function setting by the remote controller, you can adjust the air flow and speed. Select the settings from Tableaccording to the location in which you want to insta...
Page 58 - Fresh air intake amount & static pressure characteristics; How to read curves
58 Static pressure [Pa] Air flow [m 3 /min] 2 intakes 1 intake 50 -50 -100 -150 -200 0 1 2 3 4 5 6 Static pressure [Pa] Air flow [m 3 /min] 2 intakes 1 intake 50 -50 -100 -150 -200 0 1 2 3 4 5 6 Static pressure [Pa] Air flow [m 3 /min] 50 -50 -100 -150 -200 0 1 2 3 4 5 6 Static pressure [Pa] Air flo...
Page 59 - -1 Branch Duct Installation Procedure; ww
59 5. BRANCH DUCT(Installation atsite) Discharge by branch duct becomes possible by installing a branch duce at site. Knockout holes on the wall panel of the indoorunit must be removed. 5-1 Branch Duct Installation Procedure At the time of installation, use the duct holes (cut out) located at the po...
Page 61 - Rounded duct
61 Static pressure [Pa] Air flow [m 3 /min] 30 40 50 60 70 80 90 100 20 10 0 1 2 3 4 5 6 7 8 9 10 11 Hi Lo Static pressure [Pa] Air flow [m 3 /min] 30 40 50 60 70 80 90 100 20 10 0 1 2 3 4 5 6 7 Hi Lo Static pressure [Pa] Air flow [m 3 /min] 50 60 70 80 90 100 110 120 40302010 0 1 2 3 Hi Lo 4 5 6 7 ...
Page 62 - SYSTEM CONTROL; 1-1. VARIETY OF SYSTEM CONTROL FUNCTIONS; ler operation
62 SYSTEM CONTROL 11 11-1. VARIETY OF SYSTEM CONTROL FUNCTIONS System Name System Diagram Features Parts Required in Addition to Standard System Components (Indoor/Outdoor Units, Remote Controller) Indoor unit RemoteController Outdoorunit A.Remote control- ler operation (Standard) B. Remote control-...
Page 63 - eral equipment
63 Outdoorunit Indoorunit Sub Main RemoteController System Name System Diagram Features Parts Required in Addition to Standard System Components (Indoor/Outdoor Units, Remote Controller) G. Timer operation Enables controlof start and stop. * For control by external timer,refer to Remote/handheld com...
Page 64 - Electrical wiring diagram
64 11-2. ONE REMOTE CONTROLLER (STANDARD) OPERATION (1) One Wired Remote Controller(OC: Outdoor unit IC: Indoor unit R: Remote controller (for wireless type: optical receiver adapter) Slim Air Conditioners System Remote controller connection circuit (Controller cable) Outdoor unit OC Indoor unit IC ...
Page 65 - (3) One Wired and One Wireless Remote Controller
65 11-3. TWO-REMOTE CONTROLLER OPERATION (1) Two Wired Remote Controllers (R: Wired remote controller) Slim Air Conditioner System Standard 1:1 Simultaneous Twin [Reference] 1 In the case of free component multi type systems consisting of simultaneous twin units, connect the remote controllers to ea...
Page 66 - Connecting the remote control interface with each system; Connecting the MA& CONTACT TERMINAL Interface to the Indoor Unit
66 2.Connecting the remote control interface with each system (For details on each system, see the relevant instruction manual.) • Replace the interface unit mounting cord clamp with a supplied mounting cord clamp based on the thickness of the connecting cable used for each system. • The cables conn...
Page 67 - Use as a Wired Remote Control (Using the MA Remote Controller); Dip switch settings
67 Use as a Wired Remote Control (Using the MA Remote Controller) Note: 1. Be sure the Auto Heating/Cooling Display Setting on the MA remote controller is set to OFF before use. • For information on how to set the Auto/Heating Cooling Display Setting, see the MA remote controller instruction manual....
Page 69 - SW502 : Air Conditioner Function Settings; Mounting the Remote Control Interface Unit; When Using Wall Mounting Brackets
69 * Fan speed 2 step model : An actual fan speed is 2 step though the display of remote controller becomes 4 step or 3 step. 3. Test Run (Check Operations) Interface status monitorYou can check the status of the interface by the LED lamp on the interface unit board. LED lamp no. LED521 LED522 LED52...
Page 70 - When Mounting Directly to a Wall
70 ■ When Mounting Directly to a Wall Mount the interface unit case to the wall using the mountingscrews. Interface casemounting screws Mountingscrews When mounting the interface unit inside a ceilingor wall, install an access door to facilitate mainte-nance. When the interface unit is mountedabove ...
Page 71 - porary off timer for recovery operations.
71 11-5. POWER OUTAGE AUTOMATIC RECOVERY OPERATION • Whenever a power outage or switching of the power supply causes the power supply of an operating air conditioner to go from OFF to ON, this function will automatically restore the operation of the air conditioner to its previous operating mode. w ...
Page 72 - Note: When using group address, connect to refrigerant; Examples of system applications; the remote controller is to be prohibited.
72 Note: When using group address, connect to refrigerant address "0" on the inside. Control circuitpower supply Dedicated short circuit prevention device Remote/Hand-held selection switch No.1 unitrelay box No.2 unitrelay box 3 Relay box 2 Adapter for remote start/stop 1 Remote/Hand-held se...
Page 74 - b) Combined control by timer and remote controller; Lossnay operation; Summary of wiring; Wiring diagram; Precautions when wiring; Lossnay linked cable; 1-12. EXTERNAL MOUNTING OF TEMPERATURE SENSOR
74 (2). Basic pattern for timer control Use a no-voltage contact point output timer (one that has separate circuits for the load side and timer power supply). a) Timer-independent control b) Combined control by timer and remote controller Orange As selected by remote controller operation switch. Fro...
Page 75 - indoor controller board.; Indoor controller board; Whenever the indoor unit is operating,
75 11-13. MULTIPLE REMOTE CONTROL DISPLAY You can control several units with a multiple remote control display, bywiring an optional multiple display adapter (PAC-SA88HA-E) with relaysand lamps on the market.How to wire (1) Connect the multiple display adapter to the connector CN51 on the indoor con...
Page 76 - Photo 1; DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; Removing the air intake grille; Photo 2; Removing the room temperature thermistor
Bell mouth Photo 1 Screws Roomtemperaturethermistor Air intake grille 76 12 DISASSEMBLY PROCEDURE OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 1. Removing the air intake grille (1) Slide the knob of air intake grille to the direction of the arrow 1 to open the air intake grille. (2) Remove the strin...
Page 77 - Removing the pipe temperature thermistor; Photo 6; Remove the fan motor; Photo 3; Removing the drain pan; Figure 2
77 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 5. Removing the pipe temperature thermistor (1) Remove the bell mouth.(See photo 2) (2) Remove the electrical box.(See photo 3)(3) Remove the turbo fan.(4) Remove the screw of the service panel.(5) Remove the service panel.(6) Remove the pipe temperatu...
Page 78 - Removing the heat exchanger; Photo 8; Removing the heater
78 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 9. Removing the heat exchanger (1) Remove the panel. (See photo 5)(2) Remove the bell mouth. (See photo 1)(3) Remove the electrical box. (See photo 2)(4) Remove the drain pan. (See photo 6)(5) Remove the turbo fan. (See photo 3)(6) Remove the 3 screws ...
Page 79 - PARTS LIST; GEAR; Part numbers that is circled is not shown in the figure.; RECEIVER
79 13 PARTS LIST 1 13 2 3 4 5 6 14 12 11 10 9 8 7 GEAR GEAR (VANE) VANE BUSH VANE MOTOR ON/OFF TEMP MODEL SELECT NOT AVAILABLE CHECK TEST RUN ˚C AMPM AMPM ON/OFF CENTRALLY CONTROLLED ERROR CODE CLOCK ON OFF ˚C CHECK CHECK MODE FILTER TEST RUN FUNCTION ˚C 1Hr. NOT AVAILABLE STAND BY DEFROST TEMP. 17 ...
Page 80 - Parts Name; Unit Amount; SPL WASHER
80 No. Parts No. Parts Name Q'ty / set PLH-AAK 3 4 6 Wiring Diagram Symbol Recom- mended Q'ty Unit Amount Price 1 23 4 5 6 78 9 10 11 12 BASEBASELEGLEGTURBO FANTURBO FANSPL WASHERHEAT EXCHANGERHEAT EXCHANGERHEAT EXCHANGERHEAT EXCHANGERRISTRICTOR VALVEPIPE TEMPERATURE THERMISTORINNER COVERINNER COVER...
Page 84 - OPTIONAL PARTS; MULTIPLE REMOTE CONTROLLER ADAPTER; REMOTE OPERATION ADAPTER
84 OPTIONAL PARTS 14 Note 1. How to connect refrigerant pipes. Factory supplied optional refrigerant pipings contain refrigerant at the above atmospheric pressures. As long as theconnection takes no more than 5 minutes, no air will enter, and there will be no need for air purging.Remove the blind ca...
Page 85 - HIGH EFFICIENCY FILTER ELEMENT; Applicable Service Ref.
85 PAC-SG06SP-E PLH-3/4/5/6AAK(H) Part No. Applicable Service Ref. 8. AIR OUTLET SHUTTER 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 Ref. 6....
Page 86 - TM
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN © Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.Distributed in Feb. 2006 No.OC360 PDF 9Made in Japan New publication, effective Feb. 2006Specifications subject to change without notice TM OC360--3.qxp 06.2.24 1:5...
