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Mitsubishi Electric Mr. Slim PEAD Series Technical & Service Manual

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  • Page 2: Table Of Contents

    CONTENTS I SAFETY PRECAUTION [1] Safety Precaution ........................1 1.ALWAYS OBSERVE FOR SAFETY..................1 2.CAUTIONS RELATED TO NEW REFRIGERANT ..............1 II PART NAMES AND FUNCTIONS [1] Part Names and Functions ....................... 7 III SPECIFICATIONS [1] Specifications.......................... 15 IV OUTLINES AND DIMENSIONS [1] Outlines and Dimensions......................

  • Page 3: I Safety Precaution

    [ I SAFETY PRECAUTION ] [1] Safety Precaution I SAFETY PRECAUTION MEANINGS OF SYMBOLS DISPLAYED ON THE UNIT This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of outdoor unit. WARNING In case that refrigerant type is R32, this unit uses a flammable refrigerant. (Risk of fire) If refrigerant leaks and comes in contact with fire or heating part, it will create harmful gas and there is risk of fire.
  • Page 4 [ I SAFETY PRECAUTION ] [1] Warning for service (1) Do not alter the unit. (2) For installation and relocation work, follow the instructions in the Installation Manual and use tools and pipe components specifically made for use with refrigerant specified in the outdoor unit installation manual. (3) Ask a dealer or an authorized technician to install, relocate and repair the unit.
  • Page 5 [ I SAFETY PRECAUTION ] [4] Cautions for unit using R32 refrigerant Basic work procedures are the same as those for conventional units using refrigerant R410A. However, pay careful attention to the following points. (1) Information on servicing (1-1) Checks on the Area Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimized.
  • Page 6 [ I SAFETY PRECAUTION ] (3) Repair to intrinsically Safe Components Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use. Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmo- sphere.
  • Page 7 [ I SAFETY PRECAUTION ] b) Isolate system electrically. c) Before attempting the procedure, ensure that: · mechanical handling equipment is available, if required, for handling refrigerant cylinders; · all personal protective equipment is available and being used correctly; · the recovery process is supervised at all times by a competent person; ·...
  • Page 8 [ I SAFETY PRECAUTION ] Unit Electronic weighing scale [5] Service tools Use the below service tools as exclusive tools for R32/R410A refrigerant. Refer to the spec name plate on outdoor unit for the type of refrigerant being used. Tool name Specifications Gauge manifold ·...

  • Page 9: Part Names And Functions

    [ II PART NAMES AND FUNCTIONS ] [1] Part Names and Functions II PART NAMES AND FUNC TIONS Indoor Unit PEAD-(S)M35JA(L)(2) PEAD-(S)M50JA(L)(2) PEAD-(S)M60JA(L)(2) PEAD-(S)M71JA(L)2 PEAD-(S)M100JA(L)2 PEAD-(S)M125JA(L)2 PEAD-(S)M140JA(L)2 Air intake (sucks the air inside the room into the unit) Air outlet Air outlet In case of rear inlet In case of bottom inlet...
  • Page 10 [ II PART NAMES AND FUNCTIONS ] • Wired remote controller (Option) PAR-41MAA The functions which can be used are restricted according to each model. Display The factory setting is “Full”. To switch to the “Basic” mode, change the setting on the Main display setting. (Refer to operation manual included with remote controller.) <Full mode>...
  • Page 11 [ II PART NAMES AND FUNCTIONS ] Controller interface The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen. When the system is centrally controlled, the button function guide ⑤...
  • Page 12 [ II PART NAMES AND FUNCTIONS ] Menu structure Main menu Operation Vane•3D i-See•Vent.(Lossnay) High power Comfort Manual vane angle Vertical air direction Horizontal air direction 3D i-See sensor Timer menu Timer On/Off timer Auto-Off timer Weekly timer OU silent mode Night setback Energy saving Restriction...
  • Page 13 [ II PART NAMES AND FUNCTIONS ] Maintenance menu Error information Filter information Cleaning Auto descending panel Descending operation Descending adjustment Service menu Test run menu Test run Drain pump test run Maintenance information Collect model names and serial No. (Mr. SLIM only) Model name input Serial No.
  • Page 14 [ II PART NAMES AND FUNCTIONS ] Main menu Setting items Setting details Operation Vane•3D i-See•Vent. Vane: Use to set the vertical air direction. Louver: Use to set the horizontal air direction. (Lossnay) 3D i-See sensor: This setting is available only for the air (Vane•Vent.(Lossnay)) conditioners that support easy setting function of motion sensing air direction.
  • Page 15 [ II PART NAMES AND FUNCTIONS ] Main menu Setting items Setting details Energy Energy Schedule Set the start/stop times to operate the units in the energy-save saving saving mode for each day of the week, and set the energy-saving rate. •...
  • Page 16 [ II PART NAMES AND FUNCTIONS ] Wireless remote controller 7UDQVPLVVLRQ DUHD 1RW DYDLODEOH 5HPRWH FRQWUROOHU GLVSOD\ %DWWHU\ UHSODFHPHQW LQGLFDWRU 6HW 7HPSHUDWXUH EXWWRQV 0RGH EXWWRQ &KDQJHV RSHUDWLRQ PRGH )DQ 6SHHG EXWWRQ &KDQJHV IDQ VSHHG LVHH EXWWRQ 7LPHU 21 EXWWRQ 0HQX EXWWRQ 7LPHU 2)) EXWWRQ &$1&(/ EXWWRQ QRW DYDLODEOH ...

  • Page 17: Specifications

    [ III SPECIFICATIONS ] [1] Specifications III SPECIFICATIONS Service Ref. PEAD-(S)M35JA(L)(2) Mode Cooling Heating Power supply Single phase, 50Hz, 220-240V Input 0.05 0.05 Running Current 0.37 0.37 External finish Galvanized sheets Heat exchanger Plate fin coil Fan (drive) × No. Sirocco fan ×...
  • Page 18 [ III SPECIFICATIONS ] Service Ref. PEAD-(S)M60JA(L)(2) Mode Cooling Heating Power supply Single phase, 50Hz, 220-240V Input 0.08 0.08 Running Current 0.57 0.57 External finish Galvanized sheets Heat exchanger Plate fin coil Fan (drive) × No. Sirocco fan × 2 Fan motor output 0.121 Airflow (Low-Mid-High)
  • Page 19 [ III SPECIFICATIONS ] Service Ref. PEAD-(S)M100JA(L)2 Mode Cooling Heating Power supply Single phase, 50Hz, 220-240V Input 0.14 0.14 Running Current 0.97 0.97 External finish Galvanized sheets Heat exchanger Plate fin coil Fan (drive) × No. Sirocco fan × 3 Fan motor output 0.300 Airflow (Low-Mid-High)
  • Page 20 [ III SPECIFICATIONS ] Service Ref. PEAD-(S)M140JA(L)2 Mode Cooling Heating Power supply Single phase, 50Hz, 220-240V Input 0.21 0.21 Running Current 1.34 1.34 External finish Galvanized sheets Heat exchanger Plate fin coil Sirocco fan × 3 Fan (drive) × No. Fan motor output 0.300 Airflow (Low-Mid-High)
  • Page 21 [ III SPECIFICATIONS ] NOISE CRITERION CURVES PEAD-(S)M35JA(L)(2) PEAD-(S)M35JA(L)(2) External static pressure: 35Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0...
  • Page 22 [ III SPECIFICATIONS ] PEAD-(S)M50JA(L)(2) PEAD-(S)M50JA(L)(2) External static pressure: 35Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0 35.0 35.0 NC-40...
  • Page 23 [ III SPECIFICATIONS ] PEAD-(S)M60JA(L)(2) PEAD-(S)M60JA(L)(2) External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0 35.0 35.0 NC-40...
  • Page 24 [ III SPECIFICATIONS ] PEAD-(S)M71JA(L)2 PEAD-(S)M71JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0 35.0 35.0 NC-40...
  • Page 25 [ III SPECIFICATIONS ] PEAD-(S)M100JA(L)2 PEAD-(S)M100JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0 35.0 35.0 NC-40...
  • Page 26 [ III SPECIFICATIONS ] PEAD-(S)M125JA(L)2 PEAD-(S)M125JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0 35.0 35.0 NC-40...
  • Page 27 [ III SPECIFICATIONS ] PEAD-(S)M140JA(L)2 PEAD-(S)M140JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V 70.0 70.0 High High 65.0 65.0 Middle Middle 60.0 60.0 NC-60 NC-60 55.0 55.0 50.0 50.0 45.0 45.0 NC-50 NC-50 40.0 40.0 35.0 35.0 NC-40...
  • Page 28 [ III SPECIFICATIONS ] INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOW PEAD-(S)M35JA(L)(2) PEAD-(S)M35JA(L)(2) External static pressure: 35Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High High Middle Limit Limit Middle Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M35JA(L)(2) PEAD-(S)M35JA(L)(2)
  • Page 29 [ III SPECIFICATIONS ] PEAD-(S)M50JA(L)(2) PEAD-(S)M50JA(L)(2) External static pressure: 35Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High High Middle Limit Middle Limit Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M50JA(L)(2) PEAD-(S)M50JA(L)(2) External static pressure: 50Pa External static pressure: 150Pa Powersource: 220-240V Powersource: 220-240V...
  • Page 30 [ III SPECIFICATIONS ] PEAD-(S)M60JA(L)(2) PEAD-(S)M60JA(L)(2) External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High High Middle Limit Limit Middle Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M60JA(L)(2) PEAD-(S)M60JA(L)(2) External static pressure: 50Pa External static pressure: 150Pa Powersource: 220-240V Powersource: 220-240V...
  • Page 31 [ III SPECIFICATIONS ] PEAD-(S)M71JA(L)2 PEAD-(S)M71JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High High Middle Limit Limit Middle Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M71JA(L)2 PEAD-(S)M71JA(L)2 External static pressure: 50Pa External static pressure: 150Pa Powersource: 220-240V Powersource: 220-240V...
  • Page 32 [ III SPECIFICATIONS ] PEAD-(S)M100JA(L)2 PEAD-(S)M100JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High High Middle Limit Limit Middle Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M100JA(L)2 PEAD-(S)M100JA(L)2 External static pressure: 50Pa External static pressure: 150Pa Powersource: 220-240V Powersource: 220-240V...
  • Page 33 [ III SPECIFICATIONS ] PEAD-(S)M125JA(L)2 PEAD-(S)M125JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High Middle High Limit Limit Middle Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M125JA(L)2 PEAD-(S)M125JA(L)2 External static pressure: 50Pa External static pressure: 150Pa Powersource: 220-240V Powersource: 220-240V...
  • Page 34 [ III SPECIFICATIONS ] PEAD-(S)M140JA(L)2 PEAD-(S)M140JA(L)2 External static pressure: 40Pa External static pressure: 100Pa Powersource: 220-240V Powersource: 220-240V High High Middle Limit Limit Middle Limit Limit Airflow rate (m /min) Airflow rate (m /min) PEAD-(S)M140JA(L)2 PEAD-(S)M140JA(L)2 External static pressure: 50Pa External static pressure: 150Pa Powersource: 220-240V Powersource: 220-240V...

  • Page 35: Outlines And Dimensions

    [ IV OUTLINES AND DIMENSIONS ] [1] Outlines and Dimensions IV OUTLINES AND DIMENSIONS PEAD-M35JA2, PEAD-M50JA2, PEAD-M60JA2, PEAD-M71JA2, Unit : mm PEAD-M100JA2, PEAD-M125JA2, PEAD-M140JA2 Inlet air 2×E-Ø2.9 Suspension bolt hole side view Outlet air side view 4-14×30 Slot view outlet inlet Air Filter 643 (Suspension bolt pitch) Less than 300mm (Actual length)
  • Page 36 [ IV OUTLINES AND DIMENSIONS ] PEAD-M35JAL2, PEAD-M50JAL2, PEAD-M60JAL2, PEAD-M71JAL2, Unit : mm PEAD-M100JAL2, PEAD-M125JAL2, PEAD-M140JAL2 2×E-Ø2.9 Inlet air Suspension bolt hole side view Outlet air 4-14×30 Slot side view view outlet inlet Air Filter 643 (Suspension bolt pitch) Piping side view Refrigerant piping Control box Flare connection (liquid)
  • Page 37 [ IV OUTLINES AND DIMENSIONS ] PEAD-SM35JA, PEAD-SM50JA, PEAD-SM60JA Unit : mm PEAD-SM71JA2, PEAD-SM100JA2, PEAD-SM125JA2, PEAD-SM140JA2 Inlet air 2×E-Ø2.9 Suspension bolt hole side view Outlet air side view 4-14×30 Slot view outlet inlet Air Filter 643 (Suspension bolt pitch) Less than 300mm (Actual length) Piping side view...
  • Page 38 [ IV OUTLINES AND DIMENSIONS ] PEAD-SM35JAL, PEAD-SM50JAL, PEAD-SM60JAL Unit : mm PEAD-SM71JAL2, PEAD-SM100JAL2, PEAD-SM125JAL2, PEAD-SM140JAL2 2×E-Ø2.9 Inlet air Suspension bolt hole side view Outlet air 4-14×30 Slot side view view outlet inlet Air Filter 643 (Suspension bolt pitch) Piping side view Refrigerant piping Control box Flare connection (liquid)
  • Page 39 [ IV OUTLINES AND DIMENSIONS ] PEAD-M35JA2, PEAD-M50JA2, PEAD-M60JA2, PEAD-M71JA2, PEAD-M100JA2, PEAD-M125JA2, PEAD-M140JA2 [Maintenance access space] Secure enough access space to allow for the maintenance, inspection, and replacement of the motor, fan, drain pump, heat exchanger, and control box in one of the following ways. Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects.
  • Page 40 [ IV OUTLINES AND DIMENSIONS ] PEAD-M35JAL2, PEAD-M50JAL2, PEAD-M60JAL2, PEAD-M71JAL2, PEAD-M100JAL2, PEAD-M125JAL2, PEAD-M140JAL2 [Maintenance access space] Secure enough access space to allow for the maintenance, inspection, and replacement of the motor, fan, heat exchanger, and control box in one of the following ways. Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects.
  • Page 41 [ IV OUTLINES AND DIMENSIONS ] PEAD-SM35JA, PEAD-SM50JA, PEAD-SM60JA PEAD-SM71JA2, PEAD-SM100JA2, PEAD-SM125JA2, PEAD-SM140JA2 [Maintenance access space] Secure enough access space to allow for the maintenance, inspection, and replacement of the motor, fan, drain pump, heat exchanger, and control box in one of the following ways. Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects.
  • Page 42 [ IV OUTLINES AND DIMENSIONS ] PEAD-SM35JAL, PEAD-SM50JAL, PEAD-SM60JAL PEAD-SM71JAL2, PEAD-SM100JAL2, PEAD-SM125JAL2, PEAD-SM140JAL2 [Maintenance access space] Secure enough access space to allow for the maintenance, inspection, and replacement of the motor, fan, heat exchanger, and control box in one of the following ways. Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects.

  • Page 43: Wiring Diagram

    [ V WIRING DIAGRAM ] [1] Wiring Diagram V WIRING DIAGRAM PEAD-M35JA(L)2, PEAD-M50JA(L)2, PEAD-M60JA(L)2, PEAD-M71JA(L)2, PEAD-M100JA(L)2, PEAD-M125JA(L)2, PEAD-M140JA(L)2 TO OUTDOOR UNIT *ONLY FOR PEAD-M·JA2 INSIDE SECTION OF CONTROL BOX S3 S2 S1 I.B. (Red) CN32 ZNR002 CN2A CN20 (Black) (Red) LED1 (Red) ZNR001...
  • Page 44 [ V WIRING DIAGRAM ] PEAD-SM35JA(L), PEAD-SM50JA(L), PEAD-SM60JA(L) PEAD-SM71JA(L)2, PEAD-SM100JA(L)2, PEAD-SM125JA(L)2, PEAD-SM140JA(L)2 TO OUTDOOR UNIT *ONLY FOR PEAD-SM·JA(2) INSIDE SECTION OF CONTROL BOX S3 S2 S1 I.B. (Red) CN32 ZNR002 CN2A CN20 (Black) (Red) LED1 ZNR001 (Red) CN44 t° CN41 CN2L OFF ON (Black)

  • Page 45: Refrigerant System Diagram

    [ VI REFRIGERANT SYSTEM DIAGRAM ] [1] Refrigerant System Diagram VI REFRIGERANT SYSTEM DIAGRAM PEAD-(S)M35JA(L)(2) PEAD-(S)M50JA(L)(2) PEAD-(S)M60JA(L)(2) PEAD-(S)M71JA(L)2 PEAD-(S)M100JA(L)2 PEAD-(S)M125JA(L)2 PEAD-(S)M140JA(L)2 Strainer Heat exchanger Refrigerant GAS pipe connection (Flare) Condenser/evaporator temperature thermistor (TH5) Refrigerant flow in cooling Refrigerant flow in heating Refrigerant LIQUID pipe connection (Flare) Pipe temperature...

  • Page 46: Troubleshooting

    [ VII TROUBLESHOOTING ] [1] Troubleshooting VII TROUBLESHOOTING 1. CAUTIONS ON TROUBLESHOOTING (1) Before troubleshooting, check the followings: Check the power supply voltage. Check the indoor/outdoor connecting wire for mis-wiring. (2) Take care the followings during servicing. Before servicing the air conditioner, be sure to turn off the remote controller first to stop the main unit, and then turn off the breaker.

  • Page 47: Malfunction-Diagnosis Method By Remote Controller

    [ VII TROUBLESHOOTING ] 3. MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER ,Q FDVH RI WURXEOH GXULQJ RSHUDWLRQ! :KHQ D PDOIXQFWLRQ RFFXUV WR DLU FRQGLWLRQHU ERWK LQGRRU XQLW DQG RXWGRRU XQLW ZLOO VWRS DQG RSHUDWLRQ ODPS EOLQNV WR LQIRUP XQXVXDO VWRS 6HOIFKHFN! EXWWRQ 1 WR VWRS WKH DLU FRQGLWLRQHU  3UHVV WKH EXWWRQ 3 WR GLVDEOH LW...
  • Page 48 [ VII TROUBLESHOOTING ] [Output pattern A] Errors detected by indoor unit Wired remote Wireless remote controller controller Symptom Remark Beeper sounds/OPERATION INDICATOR lamp flashes Check code (Number of times) Intake sensor error P2, P9 Pipe (Liquid or 2-phase pipe) sensor error Indoor/outdoor unit communication error E6, E7 Drain sensor error...
  • Page 49 [ VII TROUBLESHOOTING ] For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to the following table. LED 1 (power for microcomputer) Indicates whether control power is supplied. Make sure that this LED is always lit. LED 2 (power for remote controller) Indicates whether power is supplied to the remote controller.

  • Page 50: Self-Diagnosis Action Table

    [ VII TROUBLESHOOTING ] 4. SELF-DIAGNOSIS ACTION TABLE Note: Refer to the manual of outdoor unit for the details of display such as F, U, and other E. Abnormal point and detection method Countermeasure Error Code Cause Room temperature Defective thermistor –...
  • Page 51 [ VII TROUBLESHOOTING ] Abnormal point and detection method Countermeasure Error Code Cause Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) working Clogged filter (reduced airflow) Check clogging of the filter. Freezing protection (Cooling mode) Short cycle of air path Remove shields.
  • Page 52 [ VII TROUBLESHOOTING ] Abnormal point and detection method Countermeasure Error Code Cause Abnormality of pipe temperature ther- Defective thermistor – Check resistance value of thermistor. mistor / Condenser-Evaporator (TH5) For characteristics, refer to (P1) above. characteristics Check contact failure of connector (CN44) The unit is in three-minute resume pro- Contact failure of connector on the indoor controller board.
  • Page 53 [ VII TROUBLESHOOTING ] Abnormal point and detection method Countermeasure Error Code Cause Indoor/outdoor unit communication Check LED display on the outdoor control cir- Contact failure, short circuit or, error (Signal receiving error) cuit board. (Connect A-control service tool, mis-wiring (converse wiring) of Abnormal if indoor controller board PAC-SK52ST.) indoor/outdoor unit connecting...

  • Page 54: Troubleshooting By Inferior Phenomena

    [ VII TROUBLESHOOTING ] 5. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1)LED2 on indoor controller board • When LED1 on indoor controller board is also off. is off.

  • Page 55: Test Point Diagram

    [ VII TROUBLESHOOTING ] 6. TEST POINT DIAGRAM 6-1. Indoor controller board PEAD-(S)M35JA(L)(2) PEAD-(S)M50JA(L)(2) PEAD-(S)M60JA(L)(2) PEAD-(S)M71JA(L)2 PEAD-(S)M100JA(L)2 PEAD-(S)M125JA(L)2 PEAD-(S)M140JA(L)2 Emergency operation Model selection Capacity setting CN32 Remote start/stop adapter CN22 For MA remote controller cable con- nection (10 - 13 VDC (Between 1 and 3.)) CN51 Centralized control CN41 JAMA standard HA terminal A CN44 Thermistor...

  • Page 56: Trouble Criterion Of Main Parts

    [ VII TROUBLESHOOTING ] 7. TROUBLE CRITERION OF MAIN PARTS PEAD-(S)M35JA(L)(2) PEAD-(S)M50JA(L)(2) PEAD-(S)M60JA(L)(2) PEAD-(S)M71JA(L)2 PEAD-(S)M100JA(L)2 PEAD-(S)M125JA(L)2 PEAD-(S)M140JA(L)2 Part name Check method and criterion Room temperature Measure the resistance with a tester. thermistor (Part temperature 10°C ~ 30°C) (TH1) Normal Abnormal Pipe temperature Opened or short-circuited thermistor/liquid...

  • Page 57: Drain Float Switch (Cn4F)

    [ VII TROUBLESHOOTING ] 10.DRAIN FLOAT SWITCH (CN4F) Disconnect the connector, and measure the resistance between terminals with a tester. Moving part Switch Magnet Position of the moving part Normal Abnormal Short (any position but short) Down Open (any position but open) 11.DC FAN MOTER (FAN MOTOR/INDOOR CONTROLLER BOARD) Check method of DC fan motor (fan motor / indoor controller circuit board) Notes...

  • Page 58: Disassembly Procedure

    [ VIII DISASSEMBLY PROCEDURE ] [1] Disassembly Procedure VIII DISASSEMBLY PROCEDURE PEAD-(S)M35JA(L)(2) PEAD-(S)M50JA(L)(2) PEAD-(S)M60JA(L)(2) PEAD-(S)M71JA(L)2 PEAD-(S)M100JA(L)2 PEAD-(S)M125JA(L)2 PEAD-(S)M140JA(L)2 1. Control box 1. Removing the control box cover Exercise caution when removing heavy parts. (1) Remove the two fixing screws on the cover (A) to remove it.

  • Page 59: Drainpan

    [ VIII DISASSEMBLY PROCEDURE ] 3. Drainpan Exercise caution when removing heavy parts. 1. Removing the filter and the bottom plate (1) Push up the tab on the filter, and pull out the filter in the direction of the arrow (2) Remove the fixing screws on the bottom plate (D), (E) to remove it.

  • Page 60: Thermistor (Condenser / Evaporator) (Liquid Pipe)

    [ VIII DISASSEMBLY PROCEDURE ] 4. Thermistor (Condenser / evaporator) (Liquid pipe) 1. Remove the drain pan according to the proce- Exercise caution when removing heavy parts. dure in section 3. 2. Removing the Heat exchanger cover (1) Remove the fixing screws on the heat exchanger cover (F) to remove it.

  • Page 61: Fan And Fan Motor

    [ VIII DISASSEMBLY PROCEDURE ] 5. Fan and fan motor 1. Removing the filter and the bottom plate Exercise caution when removing heavy parts. (1) Push down the tab on the filter, and pull out the filter in the direction of the arrow (2) Remove the fixing screws on the bottom plate (J) to remove it.

  • Page 62: Heat Exchanger

    [ VIII DISASSEMBLY PROCEDURE ] 6. Heat exchanger 1. Remove the drain pan according to the proce- Exercise caution when removing heavy parts. dure in section 3. 2. Remove the heat exchanger cover according to the procedure in section 4. 2. 3.

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