Summary of Contents for Mitsubishi Electric Mr.SLIM PE-3EAK
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SPLIT-TYPE, AIR CONDITIONERS May 2006 No. OC394 TECHNICAL & SERVICE MANUAL Ceiling Concealed Series PE This manual does not cover outdoor units. <Indoor unit> When servicing them, please refer to the service manual [Model names] [Service Ref.] No. OC152, OC206, OC353 PE-3EAK.TH and this manual in a set.
PART NAMES AND FUNCTIONS Indoor (Main) Unit Air intake duct flange Air intake (sucks the air inside the room into the unit) Air outlet Air outlet duct flange Remote controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. Operation buttons ON/OFF button Set Temperature buttons...
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Display “Sensor” indication 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. “Locked”...
2-2. POWER SUPPLY & MODEL NAMES Service Ref.(Outdoor unit) Power supply Service Ref.(Indoor unit) PE - 6EAK.TH(-U) PE - 3EAK.TH(-U) PE - 4EAK.TH(-U) PE - 5EAK.TH(-U) — 1ph. 220, 230, 240V PU-3VJC PU-4VLJSA — 50Hz PU-6YJSA 3ph. 380/220, 400/230, 415/240V PU-3YJC.TH PU-4YJSA PU-5YJSA...
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 the inferior phenomenon is reoccurring at service, are summarized in the table below.
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Errors detected by indoor unit 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 safeguard operation Pipe temperature error / Outdoor unit error E4, E5 Remote controller signal receiving error –...
7-3. SELF-DIAGNOSIS ACTION TABLE Error Code Meaning of error code and detection method Countermeasure Cause 1 Defective thermistor 1–3 Check resistance value of thermistor. Abnormality of room temperature thermistor (TH1) characteristics. 0: ····15.0k" 1 The unit is in three-minute resume 2 Contact failure of connector 10: ······9.6k"...
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Error Code Meaning of error code and detection method Countermeasure Cause Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) 1 Clogged filter (reduced airflow) 1 Check clogs of the filter. working 2 Short cycle of air path 2 Remove shields.
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Error Code Meaning of error code and detection method Countermeasure Cause Remote controller transmission 1 Contact failure at transmission 1 Check disconnection or looseness of indoor error(E0)/signal receiving error(E4) unit or transmission wire of remote controller. wire of remote controller 1 Abnormal if main or sub remote con- 2 Set one of the remote controllers “main”.
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Error Code Meaning of error code and detection method Countermeasure Cause Abnormality of indoor controller board 1 Defective indoor controller 1 Replace indoor controller board. Abnormal if data cannot be normally read board. from the nonvolatile memory of the indoor controller board.
7-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Phenomena Cause Countermeasure (1)LED2 on indoor controller board • When LED1 on indoor controller board is also off. 1 Power supply of 220~240V AC is not supplied to 1 Check the voltage of indoor power supply is off.
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Phenomena Cause Countermeasure 1 The vane is not downward during defrosting and 1 Normal operation (The vane is set to hor- (3)Upward/downward vane performance failure heat preparation and when the thermostat is OFF in izontal regardless of remote control.) HEAT mode. (Working of COOL protection function) 2 Vane motor does not rotate.
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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. 2.When you activate emergency operation of the cooling, you have to set the connector(SWE) and switch(SW6)on the indoor controller.
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7-6. HOW TO CHECK THE PARTS PE-3EAK.TH PE-4EAK.TH PE-5EAK.TH PE-6EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH-U PE-6EAK.TH-U Parts name Check points Room temperature Disconnect the connector, then measure the resistance using a tester. thermistor (TH1) (Surrounding temperature 10°C~30°C) Indoor coil thermistor (TH2) Normal Abnormal (Refer to the thermistor) Open or short...
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7-7. TEST POINT DIAGRAM 7-7-1. Power board PE-3EAK.TH PE-4EAK.TH PE-5EAK.TH PE-6EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH-U PE-6EAK.TH-U 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) 1 to 3 220-240V AC Between...
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7-7-2. Indoor controller board PE-3EAK.TH PE-4EAK.TH PE-5EAK.TH PE-6EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH-U PE-6EAK.TH-U CN2D LED1 Connector to the indoor LED2 Power supply Emergency power board (CN2S) Power supply (I.B) operation (12.5~13.7V DC) (R.B) CN30 – Transmission (indoor/outdoor) CN22 Remote controller connecting wire (10.4~14.6V DC) –...
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7-8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE Each function is controlled by the dip switch and the jumper wire on control p.c. board. (Marks in the table below) Jumper wire ( : Short : Open) Setting by the dip switch and jumper wire Jumper wire Remarks Functions...
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 setting the indoor unit number.) W1 The functions below are available only when the wired remote controller is used.The functions are not available for floor standing models.
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Rotation setting ( Function setting mode No.20 ) Function setting Features Indoor controller board Mode No. SW5-3 setting SW5-4 setting Setting No. Each system operates alternately for 24hours. ( 24hours cycle ) Each system operates alternately for OFF : Main 168hours.
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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 4 Specify unit No.
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[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 factory settings, refer to the indoor unit's installation manual. 2 Switch off the remote controller.
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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 •...
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Flowchart of Function Setting Setting language (English) Normal display (Display when the air condition is not running) 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 the TIMER MENU button.
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 two types of remote controllers: wired type Indoor unit and wireless type. A.Remote control- •...
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Parts Required in Addition to Standard System System Name System Diagram Features Components (Indoor/Outdoor Units, Remote Controller) • Weekly timer: In addition to ON/OFF, up to eight temperature patterns can be set for each day of the week. * Only one timer can be selected; the auto off, simple G.
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9-2. 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 Standard 1:1 Simultaneous Twin Indoor controller board switch setting Outdoor unit Remote controller SW5-3 Indoor unit IC...
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9-3. TWO-REMOTE CONTROLLER OPERATION (1) Two 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...
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 subjected 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 operating the indoor unit might be different.
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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.
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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 1 Refrigerant address 2 Refrigerant address 3 Refrigerant address 4...
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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. Not available Available Heat pump type : Set to ON.
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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...
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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.
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(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...
9-8. OBTAINING REMOTE DISPLAY 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 Error (No voltage momentary "a" contact) Operating output Operation (No voltage momentary "a"...
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Humidifier Relay box unit X: Relay (On-site tinstallation) (DC12V) CN25 (Indoor unit circuit board) W Please consult your nearest Mitsubishi Electric Indoor unit representative for information about obtaining the adapter for humidifier signal. Remote controller Remote controller 9-12. EXTERNAL MOUNTING OF TEMPERATURE SENSOR Temperature control from an alternative external location can be performed by connecting the temperature sensor (Model PAC-SE41TS-E - sold separately) to the CN20 connector on the circuit board for the indoor unit.
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9-13. MULTIPLE REMOTE CONTROL DISPLAY You can control several units with a multiple remote control display, by Refer to 7-7-2. Indoor wiring an optional multiple remote controller adapter (PAC-SA88HA-E) with controller board. relays and lamps on the market. How to wire (1) Connect the multiple remote controller adapter to the connector CN51 on the indoor controller board.
DISASSEMBLY PROCEDURE PE-3EAK.TH PE-4EAK.TH PE-5EAK.TH PE-6EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH-U PE-6EAK.TH-U OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 1. Removing the drain pan Room temperature Photo 1 thermistor ! Unscrew each set screw on the right and left, and remove the drain pan pushing it toward the back. (See Photo 1) Set screw Drain pan...
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OPERATING PROCEDURE PHOTOS 4. Removing the fan Photo 5 Note : Perform the following with the indoor unit lowered down to the floor. ! Remove the drain pan. (See Photo 1) @ Disconnect the connector for the fan motor. (See Photo 3) # Take out the fan after removing the 7 set screws of the fan plate.
RoHS PARTS LIST STRUCTURAL PARTS PE-3EAK.TH PE-3EAK.TH-U Price Q'ty/set Remarks Wiring Recom- Part No. Part Name Specification Diagram mended (Drawing No.) Unit Amount PE-3EAK.TH(-U) symbol Q'ty — AIR OUTLET DUCT FLANGE (BA00H896G08) — FAN PLATE (BA02G745G10) E17 018 808 — CASING (R300B098F04) —...
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STRUCTURAL PARTS PE-4EAK.TH PE-4EAK.TH-U Price Q'ty/set Remarks Wiring Recom- Part No. Part Name Specification Diagram mended (Drawing No.) Unit Amount symbol Q'ty PE-4EAK.TH(-U) — AIR OUTLET DUCT FLANGE (BA00H896G09) — FAN PLATE (BB02G686G05) E17 018 808 — CASING (BA00N328G08) — CABINET ASSY (BG00T022B01) E17 022 500...
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STRUCTURAL PARTS PE-5EAK.TH PE-6EAK.TH PE-5EAK.TH-U PE-6EAK.TH-U Price Q'ty/set Wiring Recom- Remarks Part No. Part Name Specification Diagram mended PE-EAK.TH(-U) Unit Amount (Drawing No.) symbol Q'ty — AIR OUTLET DUCT FLANGE (BA00H896G10) — CASING (R300B098F05) — FAN PLATE (BA02N472G05) — MOTOR BEAM (BB02L182G04) —...
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ELECTRICAL PARTS PE-3EAK.TH PE-3EAK.TH-U PE-4EAK.TH PE-4EAK.TH-U PE-5EAK.TH PE-5EAK.TH-U PE-6EAK.TH PE-6EAK.TH-U TEMP. ON/OFF Part number that is circled is not shown in the figure. Q'ty/set Price Wiring Recom- Part No. Specification Remarks Part name PE- • EAK.TH(-U) Diagram mended Unit Amount (Drawing No.) Symbol Q'ty...
OPTIONAL PARTS 12-1. REFRIGERANT PIPES Service Ref. : PE-3EAK.TH(-U) Part No. PAC-05FFS-E PAC-07FFS-E PAC-10FFS-E PAC-15FFS-E Pipe length Pipe size O.D. Liquid:{9.52 Gas:{15.88 Connection method Indoor unit:Flared Outdoor unit:Flared Service Ref. : PE-4EAK.TH(-U) PE-5EAK.TH(-U) PE-6EAK.TH(-U) Part No. PAC-SC51PI-E PAC-SC52PI-E PAC-SC53PI-E PAC-SC54PI-E Pipe length Pipe size O.D.
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HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN New publication, effective May 2006. Specifications subject to change without notice. CCopyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in May 2006 No.OC394 PDF 8 Printed in Japan.