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Mitsubishi Electric Mr.SLIM PC-2GAKD Technical & Service Manual

Split-type, cooling air conditioners
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SPLIT-TYPE, COOLING AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PC
Ceiling Suspended
Indoor unit
[Model names]
PC-2GAKD
PC-2.5GAKD
PC-3GAKD
PC-4GAKD
PC-5GAKD
PC-6GAKD
INDOOR UNIT
[Service Ref.]
PC-2GAKD
PC-2.5GAKD
PC-3GAKD
PC-4GAKD
PC-5GAKD
PC-6GAKD
TEMP.
ON/OFF
REMOTE CONTROLLER
February 2008
REVISED EDITION-B
Revision:
• Combination of outdoor units (PU-
3/4VAKR type) has been added in
REVISED EDITION-B.
• Some descriptions have been modified.
• Please void OC382 REVISED
EDITION-A.
Note:
• This manual does not cover the out-
door units. When serving outdoor
units, please refer to the service man-
ual No.OC152, OC206, OC353,
OCH/OCB414, OCH/OCB431 and
this manual in a set.
• RoHS compliant products have <G>
mark on the spec name plate.
• For servicing RoHS compliant prod-
ucts, refer to the RoHS Parts List.
CONTENTS
1. PART NAMES AND FUNCTIONS ········2
2. SPECIFICATIONS·································4
3. DATA ·····················································9
4. OUTLINES AND DIMENSIONS··········16
5. WIRING DIAGRAM·····························21
7. TROUBLE SHOOTING·······················27
8. FUNCTION SETTING ·························40
9. SYSTEM CONTROL ···························46
10. DISASSEMBLY PROCEDURE ···········60
11. PARTS LIST ········································65
12. RoHS PARTS LIST ·····························73
13. OPTIONAL PARTS ·····························81
No. OC382

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Summary of Contents for Mitsubishi Electric Mr.SLIM PC-2GAKD

  • Page 1: Table Of Contents

    Revision: • Combination of outdoor units (PU- 3/4VAKR type) has been added in Indoor unit REVISED EDITION-B. [Model names] [Service Ref.] • Some descriptions have been modified. PC-2GAKD PC-2GAKD • Please void OC382 REVISED EDITION-A. PC-2.5GAKD PC-2.5GAKD Note: PC-3GAKD PC-3GAKD •...

  • Page 2: Part Names And Functions

    PART NAMES AND FUNCTIONS Indoor Unit Left/right guide vanes Change the direction of airflow from the horizontal blower. Air outlet Long-life filter Removes dust and foreign matter from air coming in through the grille (Recommended cleaning interval : Approx, every 2,500 operating hours). Air intake Up/down guide vanes Intake grille...
  • Page 3 “Sensor” indication Display Section Displayed when the remote controller sensor is used. Day-of-Week For purposes of this explanation, Shows the current day of the week. all parts of the display are shown as lit. During actual operation, only Time/Timer Display the relevant items will be lit.

  • Page 4: Specifications

    SPECIFICATIONS 2-1. STANDARD SPECIFICATIONS Service Ref. PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD Item 5,600 6,500 7,600 10,300 50Hz Btu/h 19,100 22,200 25,900 35,200 Cooling capacity w1 5,600 7,000 8,200 11,400 60Hz Btu/h 19,100 23,900 28,000 39,000 4,300 6,200 6,500 9,300 Cooling capacity w4...
  • Page 5 Service Ref. PC-5GAKD PC-6GAKD Item 13,300 15,200 50Hz Btu/h 45,400 51,900 Cooling capacity w1 14,200 15,600 60Hz Btu/h 48,500 53,300 11,600 13,400 Cooling capacity w4 60Hz Btu/h 39,600 45,700 Total input (50/60Hz) w2 4.76/5.89 5.31/6.41 PC-5GAKD PC-6GAKD Service Ref. Munsell 0.70Y 8.59/0.97 External finish Fan motor output 0.15...
  • Page 6 Service Ref. PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD Item 5,500 6,500 7,600 7,700 10,300 9,550 Cooling capacity w1 50Hz Btu/h 18,800 22,200 25,900 26,300 35,200 32,600 Total input (50Hz) w2 1.91 2.33 3.31 3.05 3.61/3.54 3.82 Service Ref. PC-3GAKD PC-2GAKD PC-2.5GAKD PC-4GAKD External finish Munsell 0.70Y 8.59/0.97...
  • Page 7 Weight kg(lbs.) 119 (262) 120 (265) w6. Thermal switch, Reversed-phase protector, HP switch, Thermal relay, LP switch 2-2. POWER SUPPLY & MODEL NAMES Power supply PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD Indoor unit model Frequency Phase Outdoor unit Service Ref.

  • Page 8: Electrical Specifications

    : D.B. 27°C (80°F) , W.B. 19°C (66°F) Outdoor : D.B. 35°C (95°F) , W.B. 24°C (75°F) Series PC Indoor unit (Single phase) Power supply (1 Phase) V : 220V , 50Hz Model PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD Current 0.38...

  • Page 9: Data

    DATA 3-1. PERFORMANCE DATA Cooling capacity 50Hz (Outdoor unit : PU-J type) PC-2GAKD PC-3GAKD PC-4GAKD PC-5GAKD Model PC-2.5GAKD PC-6GAKD Temperature T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. (T.I.) (T.I.) (T.I.) (T.I.) (T.I.) (T.I.) Outdoor D.B.
  • Page 10 Cooling capacity 60Hz PC-2GAKD PC-3GAKD PC-4GAKD PC-5GAKD Model PC-2.5GAKD PC-6GAKD Temperature C.F. T.C. T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. (T.I.) (T.I.) (T.I.) (T.I.) (T.I.) (T.I.) Outdoor D.B. Indoor W.B. 0.81 11.5 0.81 14.3 0.81 15.7 0.81 16°C...

  • Page 11: Cooling Capacity

    Cooling capacity (Outdoor unit : PU-AKD type) 50Hz PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD Model Temperature T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. T.C. C.F. (T.I.) (T.I.) (T.I.) (T.I.) (T.I.) (T.I.) Outdoor D.B. Indoor W.B. 16°C (60.8°F) 0.81...
  • Page 12 Cooling capacity (Outdoor unit : PU-AKR type) 50Hz PC-3GAKD PC-4GAKD Model Temperature T.C. C.F. T.C. C.F. (T.I.) (T.I.) Outdoor D.B. Indoor W.B. 0.81 0.81 16°C (60.8°F) 0.82 10.2 0.82 18°C (64.4°F) 21°C 0.83 10.5 0.83 19°C (66.2°F) (69.8°F) 0.83 10.7 0.83 19.4°C (67°F)
  • Page 13 50Hz Cooling Capacity Correction Factors (Outdoor unit:PU-J type) Refrigerant piping length (one way) Model 10m(33ft) 15m(49ft) 20m(66ft) 25m(82ft) 30m(98ft) 35m(115ft) 40m(131ft) 45m(148ft) 50m(164ft) 5m(16ft) PC-2GAKD — — — 0.985 0.975 0.964 0.954 0.944 — PC-2.5GAKD — 0.983 0.972 0.961 —...
  • Page 14 3-2. STANDARD OPERATION DATA Models PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD Cooling MODE 5,600 4,300 6,500 6,200 7,600 6,500 10,300 9,300 13,300 11,600 14,600 13,400 Capacity 2.54 3.12 2.58 3.60 3.30 4.25 3.43 5.17 4.76 6.94 5.31 7.54 Input PC-2GAKD PC-2.5GAKD...
  • Page 15 13200 15200 Input 1.91 2.33 3.31 3.05 3.61 / 3.54 3.82 4.27 5.26 Indoor unit Model PC-2GAKD PC-2.5GAKD PC-3GAKD PC-3GAKD PC-4GAKD PC-4GAKD PC-5GAKD PC-6GAKD Phase, Hz 1, 50 1, 50 1, 50 1, 50 1, 50 1, 50 1, 50...

  • Page 16: Outlines And Dimensions

    OUTLINES AND DIMENSIONS 4-1. INDOOR UNIT PC-2GAKD 1 Drainage pipe connection (Unit side: 26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection) 2 Drainage pipe connection (for the left arrangement) 6 Knockout hole for upper pipe arrangement 3 Knockout hole for left drain-piping arrangement...
  • Page 17 PC-2.5GAKD PC-3GAKD 1 Drainage pipe connection (Unit side : 26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection) 2 Drainage pipe connection (for the left arrangement) 6 Knockout hole for upper pipe arrangement 3 Knockout hole for left drain-piping arrangement 7 Knockout hole for left drain pipe arrangement 4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knockout hole for wiring arrangement...
  • Page 18 PC-4GAKD 1 Drainage pipe connection (Unit side : 26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection) 2 Drainage pipe connection (for the left arrangement) 6 Knockout hole for upper pipe arrangement 3 Knockout hole for left drain-piping arrangement 7 Knockout hole for left drain pipe arrangement 4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knockout hole for wiring arrangement NOTES:...
  • Page 19 PC-5GAKD PC-6GAKD 1 Drainage pipe connection (Unit side : 26mm I.D.) 5 Refrigerant-pipe connection (liquid pipe side/flared connection) 2 Drainage pipe connection (for the left arrangement) 6 Knockout hole for upper pipe arrangement 3 Knockout hole for left drain-piping arrangement 7 Knockout hole for left pipe arrangement 4 Refrigerant-pipe connection (gas pipe side/flared connection) 8 Knockout hole for wiring arrangement...
  • Page 20 4-2. REMOTE CONTROLLER Unit : mm(inch)

  • Page 21: Wiring Diagram

    WIRING DIAGRAM PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD [LEGEND] SYMBOL NAME SYMBOL NAME SYMBOL NAME INDOOR POWER BOARD CAPACITOR<FAN MOTOR> WIRELESS REMOTE CONTROLLER BOARD<OPTION> INDOOR CONTROLLER BOARD FAN MOTOR RECEIVING UNIT FUSE FUSE (T6.3AL250V) VANE MOTOR BUZZER VARISTOR DRAIN-UP MACHINE (OPTIONAL) LED1 LED<RUN INDICATOR >...

  • Page 22: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM PC-2GAKD / PU-2NJA.TH, PU-2VJA Unit : mm(inch) Refrigerant pipe INDOOR UNIT 15.88 (5/8) (With insulator) option OUTDOOR UNIT Flexible tube Low pressure Indoor heat Check switch exchanger plug High Ball Charge pressure valve plug switch Outdoor heat...
  • Page 23 PC-2GAKD / PU-2VAKD.TH Unit : mm(inch) INDOOR UNIT Refrigerant pipe [15.88(5/8) OUTDOOR UNIT (Option) Indoor heat (with heat insulator) exchanger Stop valve (with service port) Flared connection Outdoor heat exchanger Indoor coil thermistor Compressor Distributor with Flared connection strainer (#100)
  • Page 24 PC-3GAKD / PU-3VJC .TH, PU-3YJC.TH Unit : mm(inch) INDOOR UNIT OUTDOOR UNIT Refrigerant pipe [15.88(5/8) PC-3GAKD PU-3VJC (with insulator) option PU-3YJC Indoor heat Low pressure Flexible tube strainer Outdoor heat exchanger switch High pressure exchanger switch Ball Check Charge valve pIug pIug Flared...
  • Page 25 PC-4GAKD / PU-4VAKD.TH, PU-4YAKD.TH Unit : mm(inch) Refrigerant pipe [15.88(5/8) INDOOR UNIT OUTDOOR UNIT (with insulator) option Indoor heat Flexible tube exchanger Outdoor heat Strainer Check exchanger plug Charge plug High pressure switch Flared strainer connection Flared connection Pipe temperature Strainer Accumulator thermistor...
  • Page 26 PC-5GAKD / PU-5TJSA.TH Unit : mm(inch) PC-6GAKD / PU-6TJSA.TH OUTDOOR UNIT Outdoor heat exchanger Check plug INDOOR UNIT Low pressure High pressure Refrigerant pipe 19.05 (3/4) switch switch (With insulator) option Flexible tube Strainer Indoor heat Charge exchanger plug Ball valve Flared Accumulator...

  • Page 27: Troubleshooting

    TROUBLESHOOTING 7-1. 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 trouble is reoccurring at service, are summarized in the table below.
  • Page 28 Wired remote controller Symptom Remark 1 Check code Intake sensor error Pipe (TH2) sensor error Drain sensor error Drain pump error Forced compressor stop Freezing/ Overheating protection operation Pipe temperature error / Outdoor unit error E4, E5 Remote controller signal receiving error –...

  • Page 29: Self-Diagnosis Action Table

    Note: Refer to the manual of outdoor unit for the details of display 7-3. SELF-DIAGNOSIS ACTION TABLE such as F, U, and other E. Abnormal point and detection method Countermeasure Error Code Cause Room temperature thermistor (TH1) 1 Defective thermistor 1–3 Check resistance value of thermistor.
  • Page 30 Abnormal point and detection method Countermeasure Error Code Cause Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) working 1 Clogged filter (reduced airflow) 1 Check clogs of the filter. 1 Freezing protection (Cooling mode) 2 Short cycle of air path 2 Remove shields.
  • Page 31 Abnormal point and detection method Countermeasure Error Code Cause Remote controller transmission error(E3)/signal receiving error(E5) 1 Two remote controller are set 1 Set a remote controller to main, and the 1 Abnormal if remote controller could not as “main.” other to sub. find blank of transmission path for 6 sec- (In case of 2 remote controllers) onds and could not transmit.

  • Page 32: Troubleshooting By Inferior Phenomena

    7-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Phenomena Cause Countermeasure (1)LED2 on indoor controller board • When LED1 on indoor controller board is also off. is off. 1 Power supply of 220~240V AC is not supplied to 1 Check the voltage of indoor power supply indoor unit.
  • Page 33 Phenomena Cause Countermeasure 1 Vane motor does not rotate. 1 Check 1 (left). (3)Upward/downward vane • Defective vane motor • Check the vane motor. (Refer to “How performance failure • Breaking of wire or connection failure of connector to check the parts”.) •...
  • Page 34 7-5-3. When wired remote controller or indoor unit micro computer troubles 1.When the wired remote control or the indoor unit microcomputer has failed, but all other components work if you set the switch (SWE, SW6) on the indoor control board, the indoor unit will begin properly Emergency Operation.
  • Page 35 7-6. HOW TO CHECK THE PARTS PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD Parts name Check points Room temperature Disconnect the connector then measure the resistance with a tester. thermistor (TH1) (At the ambient temperature 10:~30:) Pipe temperature thermistor (TH2) Normal Abnormal (Refer to the next page for a detail.)
  • Page 36 <Thermistor Characteristic graph> Room temperature thermistor(TH1) < Thermistor for lower temperature > Thermistor for Pipe temperature thermistor/liquid(TH2) lower temperature Thermistor R =15k' ± 3% Fixed number of B=3480 ± 2% Rt=15exp { 3480( 273+t 15k' 9.6k' 6.3k' 5.4k' 4.3k' 3.0k' -20 -10 0 10 20 30 40 50 Temperature (:)
  • Page 37 7-7.TEST POINT DIAGRAM 7-7-1. Power board PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD CN2S Connect to the indoor controller board (CN2D) Between 1 to 3 12.6-13.7V DC (Pin1 (+)) CNSK Connect to the indoor controller board (CNDK) Between 1 to 3 220-240V AC...
  • Page 38 7-7-2. Indoor controller board PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD CN2D LED1 LED2 CN22 Connect to the indoor Power supply (I.B) Power supply (R.B) Connect to the terminal power board (CN2S) block(TB5) (12.5~13.7V DC) (Remote controller connecting wire) (10.4~14.6V DC)
  • Page 39 Setting by the dip switch and jumper wire Functions Remarks Model 1 2 3 4 5 settings MODELS 1 2 3 4 5 PC-2GAKD 1 2 3 4 5 PC-2.5GAKD 1 2 3 4 5 Capacity PC-3GAKD settings 1 2 3 4 5...

  • Page 40: Function Setting

    FUNCTION SETTING 8-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER Each function can be set according to necessity using the remote controller. The setting of function for each unit can only be done by the remote controller. Select function available from the table 1. (1) Functions available when setting the unit number to 00 (Select 00 referring to 4 Set the indoor unit number.) W1 The functions below are available only when the wired remote controller is used.
  • Page 41 Rotation setting ( Function setting mode No.20 ) This function is available when only 2 indoor units are connected to each outdoor unit as Fig.1. Function setting Features Indoor controller board Mode No. SW5-3 setting SW5-4 setting Setting No. Each system operates alternately for 24hours. ( 24hours cycle ) OFF : Main Each system operates alternately for 168hours.
  • Page 42 Selecting functions using the wired remote controller 1 Check the function selection setting. 2 Switch to function setting mode. For modes 15 and higher, (Press A and B at the same time press J and B at the same time. with the remote controller stopped.) 3 Specify address.
  • Page 43 [Operating Procedure] 1 Check the setting items provided by function selection. If settings for a mode are changed by function selection, the functions of that mode will be changed accordingly. Check all the current settings according to steps 2 to 7 , fill in the "Check" column in Table 1, and then change them as necessary. For initial settings, refer to the indoor unit's installation manual. 2 Switch off the remote controller.
  • Page 44 8-2. 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 Item 2 Item 3 (Setting content) 1.Change Language Language setting to display •...
  • Page 45 [Function selection flowchart] Normal display (Display when the air conditioner is not running) Setting language (English) Hold down the button and press the button for 2 seconds. Hold down the button and press the button for 2 seconds. Press the operation mode button. Press theTIMER MENU button.

  • Page 46: System Control

    SYSTEM CONTROL 9-1. VARIETY OF SYSTEM CONTROL FUNCTIONS Parts Required in Addition to Standard System System Name System Diagram Features Components (Indoor/Outdoor Units, Remote Controller) • There are 2 types of remote controllers: wired type Indoor unit and wireless type. A.Remote control- •...
  • Page 47 Lossnay eral equipment tion and airflow. ventilator (Only the microcomputer type Lossnay ventilator Enables control of Remote can be used.) Mitsubishi Lossnay Controller ventilator by remote controller. • When abnormality occurs while operating, it This function is available when Remote...
  • Page 48 9-2. 1 REMOTE CONTROLLER (STANDARD) OPERATION (1) 1 Wired Remote Controller (OC: Outdoor unit IC: Indoor unit R: Remote controller (for wireless type: receiver) Slim Air Conditioners System Standard 1:1 Simultaneous Twin Indoor controller board switch setting Outdoor unit System diagram SW5-3 Indoor unit IC (Wired remote...

  • Page 49: Remote Controller Operation

    9-3. 2-REMOTE CONTROLLER OPERATION (1) 2 Wired Remote Controllers Indoor controller board switch setting (R: Wired remote controller) Slim Air Conditioner System Standard 1:1 Simultaneous Twin SW5-3 Indoor unit IC Outdoor unit Indoor/outdoor IC-1 (Main) connection cable Indoor unit IC IC-1 IC-2 Remote...

  • Page 50: Group Control Operation

    9-4. GROUP CONTROL OPERATION (COLLECTIVE OPERATION AND CONTROL OF MULTIPLE REFRIGERANT SYSTEMS (2 to 16)) Group control can be operated by using MAC-397IF-E. The setting of wired remote controller is subject to variation according to the function of the indoor unit. (for mode operation, setting temperature, fan step, air direction) The display of remote controller and operation of the indoor unit might be different.
  • Page 51 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 52 SW501: Settings to accommodate MA remote controller and settings to accommodate outdoor units SW No Functions Comments No . 1 Only specify these settings when connecting an MA remote controller Refrigerant address 0 No . 2 No . 3 No . 4 Refrigerant address 0 Refrigerant address 0 Refrigerant address 0...
  • Page 53 SW502 : Air Conditioner Function Settings SW No. Functions Comments No. 1 Cooling only type/ Heat pump type Heat pump type Cooling only type Set the mode in accordance with the operation manual for the indoor unit. Available Heat pump type : Set to ON. Not available No.
  • Page 54 When Mounting Directly to a Wall Mount the interface unit case to the wall using the mounting When mounting the interface unit inside a ceiling or wall, install an access door to facilitate mainte- screws. nance. Interface case When the interface unit is mounted mounting screws above an indoor unit, it should be positioned 40 mm or more away from the...
  • Page 55 9-5. 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 If the power is turned from OFF to ON when the air conditioner is not in operation, the air conditioner will not automatically be turned on.
  • Page 56 (2) Basic wiring diagram (3) Part specifications No.1 unit No.2 unit Remote/Local 1 Remote/Local 2 Adapter for 3 Relay box relay box relay box selection switch selection switch remote start/stop Control circuit (Example) Model T Timer power supply next Single polarity PAC-SE55RA-E (On delay system) unit...

  • Page 57: Timer Operation

    9-8. OBTAINING REMOTE DISPLAY The model of a wireless type cannot correspond. Use the remote operation adapter (PAC-SF40RM-E) to provide operation/error non-voltage contact output and on/off input function. (1) Wiring method External input External input No voltage (Momentary "a" contact) Wireless CN90 Error output...
  • Page 58 (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 SW ON Timer control As selected by remote controller operation switch.
  • Page 59 9-13. MULTIPLE REMOTE CONTROL DISPLAY You can control several units with a multiple remote control display, by wiring an optional multiple display adapter (PAC- SA88HA-E) with relays and lamps on the market. How to wire (1) Connect the multiple display adapter to the connector CN51 on the indoor controller board. (2) Wire 3 of the 5 wires from the multiple display adapter as shown in the figure below.

  • Page 60: Disassembly Procedure

    DISASSEMBLY PROCEDURE PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 1. Removing the air intake grille Figure 1 (1) Slide the intake grille holding knobs (at 2 locations) back- ward to open the intake grille. (2) When the intake grille left open, push the stoppers on the rear hinges (at 2 locations) to pull out the intake grille.
  • Page 61 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 3. Removing the fan motor Photo 2 (1) Remove the intake grill. (2) Disconnect the fan motor connector. Motor Set screws Screws (3) Remove the screw for removing the motor support at both left and right side. (4) Loosen the set screws at the fan motor side of the con- necting joint.
  • Page 62 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 6. Removing the vane motor Photo 4 (1) Remove the air intake. Screw (2) Remove the left side panel. Relay connector of (3) Remove the relay connector of vane motor. the vane motor (4) Remove the electrical box. (5) Remove the screws of vane motor, then remove vane motor.
  • Page 63 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 9. Removing the drain pan Photo 8 (1) Remove the air intake grill. (2) Remove the beam. (3) Remove the side panel (right and left). (4) Remove the under panel. Remove the screws of the right and left side drain pan.
  • Page 64 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 12. Removing the heat exchanger Photo 11 (1) Remove the air intake grille. (2) Remove the beam. (3) Remove the side panel. (right and left) (4) Disconnect the relay connector. (5) Remove the under panel. (6) Remove the drain pan.

  • Page 65: Parts List

    PARTS LIST(non-RoHS compliant) FAN PARTS PC-2GAKD Q'ty / set Wiring Recom- Remarks Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty PC-2GAKD MOTOR LEG T7W B06 CASING SIROCCO FAN E16 114 E26 202 ROOM TEMPERATURE THERMISTOR PIECE (MOTOR)
  • Page 66 FAN PARTS PC-2.5GAKD PC-3GAKD 8·9 Q'ty / set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty MOTOR LEG R01 29J 130 FAN MOTOR DO9C4P70MS T7W 30J 762 SHAFT JOINT R01 700 116 PIECE (MOTOR) R01 43E 126 SIROCCO FAN R01 E17 114...
  • Page 67 FAN PARTS PC-4GAKD 8·9 Q'ty / set Wiring Recom- Remarks Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol PC-4GAKD Q'ty PIECE (MOTOR) R01 43E 126 MOTOR LEG FAN MOTOR D10B4P90MS SHAFT JOINT SIROCCO FAN R01 E26 202 ROOM TEMPERATURE THERMISTOR SHAFT SLEEVE BEARING R01 E00 103...
  • Page 68 FAN PARTS PC-5GAKD PC-6GAKD 13·14 Q'ty / set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty SHAFT MOTOR LEG R01 41J FAN MOTOR D10B4P150MS PIECE (MOTOR) SIROCCO FAN R01 E26 202 ROOM TEMPERATURE THERMISTOR SIROCCO FAN SHAFT JOINT DRAIN PAN ASSY...
  • Page 69 STRUCTURAL PART PC-2GAKD 11 12 Part numbers that are circled are not shown in the figure. Q'ty/set Wiring Recom- Remarks mended Diagram Parts No. Parts Name Specifications (Drawing No.) PC-2GAKD Symbol Q'ty S.PLATE-L L.L FILTER GRILLE HINGE GRILLE ASSY GRILLE ASSY GRILLE CATCH L.L FILTER...
  • Page 70 STRUCTURAL PART PC-2.5GAKD PC-3GAKD PC-4GAKD 11 12 13 Part numbers that are circled are not show in the figure. Q'ty/set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty 2.5/3 LEFT SIDE PANEL LEFT SIDE PANEL LEFT LEG S.PLATE-L S.PLATE-L...
  • Page 71 STRUCTURAL PART PC-5GAKD PC-6GAKD Part numbers that are circled are not shown in the figure. Q'ty/set Wiring Recom- Remarks Diagram mended Parts No. Specifications Parts Name (Drawing No.) PC-5 / 6GAKD Symbol Q'ty LEFT SIDE PANEL S.PLATE-L REAR PANEL L.L FILTER GRILLE HINGE GRILLE ASSY GRILLE CATCH...
  • Page 72 ELECTRICAL PARTS PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD TEMP. ON/OFF Q'ty / set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty 2 2.5/3 4 R01 30L 255 CAPACITOR 4= 400V T7W 39J 255...

  • Page 73: Rohs Parts List

    RoHS PARTS LIST FAN PARTS PC-2GAKD Q'ty / set Wiring Recom- Remarks Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty PC-2GAKD R01 31J 130 MOTOR LEG CASING T7W B08 110 SIROCCO FAN E16 114 ROOM TEMPERATURE THERMISTOR...
  • Page 74 FAN PARTS PC-2.5GAKD PC-3GAKD 8·9 Q'ty / set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty R01 30J 130 MOTOR LEG T7W 40J 762 FAN MOTOR DO9C4P70MS SHAFT JOINT R01 800 116 PIECE (MOTOR) R01 45E 126 SIROCCO FAN R01 E17 114...
  • Page 75 FAN PARTS PC-4GAKD 8·9 Q'ty / set Wiring Recom- Remarks Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol PC-4GAKD Q'ty R01 45E 126 PIECE (MOTOR) R01 32J 130 MOTOR LEG R01 19J 220 FAN MOTOR D10B4P90MS SHAFT JOINT R01 800 116 SIROCCO FAN R01 E19 114...
  • Page 76 FAN PARTS PC-5GAKD PC-6GAKD 13·14 Q'ty / set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty SHAFT R01 30J 100 R01 33J 130 MOTOR LEG R01 20J FAN MOTOR D10B4P150MS R01 45E 126 PIECE (MOTOR) R01 E18 114 SIROCCO FAN...
  • Page 77 STRUCTURAL PART PC-2GAKD 11 12 Part numbers that are circled are not shown in the figure. Q'ty/set Recom- Wiring Remarks Diagram mended Parts No. Parts Name Specifications (Drawing No.) PC-2GAKD Q'ty Symbol S.PLATE-L L.L FILTER GRILLE HINGE GRILLE ASSY GRILLE ASSY GRILLE CATCH L.L FILTER...
  • Page 78 STRUCTURAL PART PC-2.5GAKD PC-3GAKD PC-4GAKD 11 12 13 Part numbers that are circled are not show in the figure. Q'ty/set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty 2.5/3 LEFT SIDE PANEL LEFT SIDE PANEL LEFT LEG S.PLATE-L S.PLATE-L...
  • Page 79 STRUCTURAL PART PC-5GAKD PC-6GAKD Part numbers that are circled are not shown in the figure. Q'ty/set Wiring Recom- Remarks Parts No. Specifications Diagram mended Parts Name (Drawing No.) PC-5 / 6GAKD Symbol Q'ty LEFT SIDE PANEL S.PLATE-L REAR PANEL L.L FILTER GRILLE HINGE GRILLE ASSY GRILLE CATCH...
  • Page 80 ELECTRICAL PARTS PC-2GAKD PC-2.5GAKD PC-3GAKD PC-4GAKD PC-5GAKD PC-6GAKD TEMP. ON/OFF Q'ty / set Wiring Recom- Remarks PC-·GAKD Parts No. Parts Name Specifications Diagram mended (Drawing No.) Symbol Q'ty 2 2.5/3 4 5/6 R01 A15 255 CAPACITOR 4= 400V 4= 440V...

  • Page 81: Optional Parts

    OPTIONAL PARTS 13-1. REFRIGERANT PIPES Service Ref. : PC-2GAKD / PC-2.5GAKD / PC-3GAKD Part No. PAC-05FFS-E PAC-07FFS-E PAC-10FFS-E PAC-15FFS-E Pipe length Pipe size O.D. Liquid:{9.52mm Gas:{15.88mm Connection method Indoor unit:Flared Outdoor unit:Flared Service Ref. : PC-4GAKD / PC-5GAKD / PC-6GAKD Part No.

  • Page 82: Drain Pump

    Part No. PAR-SL99B-E HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN cCopyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Feb. 2008 No.OC382 REVISED EDITION-B PDF 8 New publication, effective Feb. 2008 Distributed in May 2007 No.OC382 REVISED EDITION-A PDF 8 Specifications subject to change without notice Distributed in Mar.

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