Service manual

ManualsBrandsMitsubishi ManualsAir ConditionerPE-12

TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, AIR CONDITIONERS

CONTENTS

1. PART NAMES AND FUNCTIONS··········2

2. SPECIFICATIONS ··································4

3. DATA·······················································7

4. OUTLINES AND DIMENSIONS ···········16

5. WIRING DIAGRAM·······························20

REFRIGERANT SYSTEM DIAGRAM

········21

7. TROUBLESHOOTING··························23

8. FUNCTION SETTING···························36

9. SYSTEM CONTROL·····························42

10. DISASSEMBLY PROCEDURE·············56

11. RoHS PARTS LIST·······························58

12. OPTIONAL PARTS·······························62

[Model names] [Service Ref.]

PE-3EAK

PE-3EAK.TH

PE-3EAK.TH-U

PE-4EAK

PE-4EAK.TH

PE-4EAK.TH-U

PE-5EAK

PE-5EAK.TH

PE-5EAK.TH-U

PE-6EAK

PE-6EAK.TH

PE-6EAK.TH-U

No. OC394

Indoor unit

Ceiling Concealed

Series PE

ON/OFF

TEMP.

Remote controller

This manual does not cover

outdoor units.

When servicing them, please

refer to the service manual

No. OC152, OC206, OC353

and this manual in a set.

NOTE:

• This service manual describes technical data of indoor units.

• RoHS compliant products have <G> mark on the spec name plate.

May 2006

OC394--1.qxp 06.5.23 5:44 PM Page 1

Summary of content (64 pages)

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OC394--1.qxp 06.5.23 5:44 PM Page 1 SPLIT-TYPE, AIR CONDITIONERS May 2006 No. OC394 TECHNICAL & SERVICE MANUAL Series PE Ceiling Concealed [Model names] [Service Ref.] 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 PE-3EAK PE-4EAK PE-5EAK PE-6EAK This manual does not cover outdoor units. When servicing them, please refer to the service manual No. OC152, OC206, OC353 and this manual in a set. CONTENTS Indoor unit TEMP.
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OC394--1.qxp 1 06.5.23 5:44 PM Page 2 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.
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OC394--1.qxp 06.5.23 5:44 PM Page 3 ● Display “Sensor” indication Displayed when the remote controller sensor is used. Day-of-Week For purposes of this explanation, all parts of the display are shown as lit. During actual operation, only the relevant items will be lit. Shows the current day of the week. Time/Timer Display “Locked” indicator Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, shows the time remaining.
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OC394--1.qxp 2 06.5.23 5:44 PM Page 4 SPECIFICATIONS 2-1 STANDARD SPECIFICATIONS Service Ref. Item 50Hz Cooling capacity W1 60Hz Cooling capacity W2 OUTDOOR UNIT INDOOR UNIT Total input (50/60Hz) W3 Service Ref. External finish Fan motor output 60Hz W Btu/h W Btu/h W Btu/h kW PE-3EAK.TH(-U) 7,500 25,600 8,100 27,600 6,700 23,000 3.41 / 3.76 PE-3EAK.TH(-U) kW m3/min CFM m3/min CFM Pa (mmAq) Pa (mmAq) 0.2 19 - 22 671 - 777 22 - 26 777 - 918 49 (5) 69 (7) PE-4EAK.
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OC394--1.qxp 06.5.23 5:44 PM Page 5 Service Ref. Item 50Hz Cooling capacity W1 60Hz Cooling capacity W2 60Hz Total input (50/60Hz) W3 Service Ref. External finish Fan motor output 50Hz OUTDOOR UNIT INDOOR UNIT Airflow Low - High 60Hz PE-5EAK.TH(-U) 12,100 41,300 13,500 46,100 11,000 37,500 5.10 / 6.06 PE-5EAK.TH(-U) W Btu/h W Btu/h W Btu/h kW kW m3/min CFM m3/min CFM Pa (mmAq) Pa (mmAq) Ex.
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OC394--1.qxp 06.5.23 5:44 PM Page 6 2-2. POWER SUPPLY & MODEL NAMES Power supply 50Hz 60Hz 1ph. 3ph. 1ph. 3ph. Service Ref.(Indoor unit) PE - 3EAK.TH(-U) PU-3VJC1.TH PU-3YJC.TH PU-3NJA.TH — 220, 230, 240V 380/220, 400/230, 415/240V 220V 220V Service Ref.(Outdoor unit) PE - 4EAK.TH(-U) PE - 5EAK.TH(-U) PU-4VLJSA2.TH — PU-5YJSA1.TH PU-4YJSA1.TH — — PU-4TJSA.TH PU-5TJSA.TH PE - 6EAK.TH(-U) — PU-6YJSA1.TH — PU-6TJSA.TH NOTE : 1.
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OC394--1.qxp 06.5.23 5:44 PM 3 Page 7 DATA 3-1. PERFORMANCE DATA Cooling capacity 50Hz Service Ref. Temperature Outdoor D.B. 21°C (69.8°F) 25°C (77°F) 30°C (86°F) 32.2°C (90°F) 35°C (95°F) 40°C (104°F) 40.6°C (105°F) 45°C (113°F) 46°C (115°F) 50°C (122°F) 52°C (125.5°F) PE-3EAK.TH(-U) Indoor D.B. 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.
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OC394--1.qxp 06.5.23 5:44 PM Page 8 Cooling capacity 50Hz Service Ref. Temperature Outdoor D.B. 21°C (69.8°F) 25°C (77°F) 30°C (86°F) 32.2°C (90°F) 35°C (95°F) 40°C (104°F) 40.6°C (105°F) 45°C (113°F) 46°C (115°F) 50°C (122°F) 52°C (125.5°F) PE-5EAK.TH(-U) Indoor D.B. 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.
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OC394--1.qxp 06.5.23 5:44 PM Page 9 Cooling capacity 60Hz Service Ref. Temperature Outdoor D.B. 21°C (69.8°F) 25°C (77°F) 30°C (86°F) 32.2°C (90°F) 35°C (95°F) 40°C (104°F) 40.6°C (105°F) 45°C (113°F) 46°C (115°F) 50°C (122°F) 52°C (125.5°F) PE-3EAK.TH(-U) Indoor D.B. 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.
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OC394--1.qxp 06.5.23 5:44 PM Page 10 Cooling capacity 60Hz Service Ref. Temperature Outdoor D.B. 21°C (69.8°F) 25°C (77°F) 30°C (86°F) 32.2°C (90°F) 35°C (95°F) 40°C (104°F) 40.6°C (105°F) 45°C (113°F) 46°C (115°F) 50°C (122°F) 52°C (125.5°F) PE-5EAK.TH(-U) Indoor D.B. 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.4°C 20°C 22°C 16°C 18°C 19°C 19.
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OC394--1.qxp 06.5.23 5:44 PM Page 11 Cooling capacity correction factors 50Hz Service Ref. 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 Refrigerant piping length (one way) 5m (16ft) 10m (33ft) 15m (49ft) 20m (66ft) 25m (82ft) 30m (98ft) 35m (115ft) 40m (131ft) 45m (148ft) 50m (164ft) 1.0 0.978 0.962 0.948 0.934 0.921 — — — — 1.0 0.984 0.974 0.964 0.954 0.944 0.935 0.926 — — 1.0 0.978 0.962 0.948 0.934 0.921 0.908 0.896 0.
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OC394--1.qxp 06.5.23 5:44 PM Page 12 3-2. STANDARD OPERATION DATA Service Ref. PE-3EAK.TH(-U) Total Mode Cooling Cooling Cooling Cooling Capacity W 7,500 8,100 9,800 10,900 Input kW 3.41 3.76 3.59 4.69 PE-3EAK.TH(-U) Indoor unit Service Ref. Electrical Circuit Phase, Hz 1, 50 1, 60 1, 50 1, 60 V 220 220 220 220 Amperes A 1.07 1.41 1.41 1.95 PU-3NJA.TH PU-4YJSA1.TH PU-4TJSA.
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OC394--1.qxp 06.5.23 5:44 PM Page 13 Service Ref. PE-5EAK.TH(-U) Total Mode Cooling Cooling Cooling Cooling Capacity W 12,100 13,500 14,000 15,200 Input kW 5.10 6.06 5.65 6.58 PE-5EAK.TH(-U) Indoor unit Service Ref. Electrical Circuit Phase, Hz 1, 50 1, 60 1, 50 1, 60 V 220 220 220 220 Amperes A 2.50 1.99 2.50 1.99 PU-5YJSA1.TH PU-5TJSA.TH PU-6YJSA1.TH PU-6TJSA.TH 3, 50 3, 60 3, 50 3, 60 V 380 220 380 220 A MPa (kgf/F) MPa (kgf/F) 8.15 1.86 (19.0) 0.
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OC394--1.qxp 06.5.23 5:44 PM Page 14 3-3. FAN PERFORMANCE AND CORRECTED AIRFLOW Service Ref. : PE-3EAK.TH PE-3EAK.TH-U 50Hz 60Hz Recommended range Recommended range 150 150 100 Hi Lo 50 0 16 Hi External static pressure(Pa) (1Pa = 0.1mmAq) External static pressure(Pa) (1Pa = 0.1mmAq) Airflow (m /min) (1m /min = 35.3CFM) 18 20 100 Lo 50 0 22 19 20 22 24 60Hz 1.0 0.95 Capacity Input 0.9 16 18 20 22 Correction factor Correction factor 50Hz 26 1.0 0.95 0.
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OC394--1.qxp 06.5.23 5:44 PM Page 15 Service Ref. : PE-5EAK.TH PE-5EAK.TH-U 50Hz 60Hz Recommended range Recommended range 150 150 Hi 50 0 External static pressure(Pa) (1Pa = 0.1mmAq) External static pressure(Pa) (1Pa = 0.1mmAq) Hi 100 Lo 27 30 35 40 45 4850 100 Lo 50 0 Airflow (m /min) 27 30 35 1.05 1.0 Capacity 0.95 Input 27 30 35 40 45 50 60Hz 45 48 Correction factor Correction factor 50Hz 0.9 40 Airflow (m /min) 1.05 1.0 0.95 0.
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OC394--1.qxp 4 06.5.23 5:44 PM Page 16 OUTLINES AND DIMENSIONS Unit : mm (inch) 4-1. INDOOR UNIT PE-3EAK.TH PE-3EAK.TH-U 672(26 1/ 2) 600(24) 35 20 (13/16) 510(20 1/8) 105 900(36) 345(13 5/8) (11 13/16) 300 11 155 155 155 22.5 24.
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OC394--1.qxp 06.5.23 5:44 PM Page 17 Unit : mm (inch) PE-4EAK.TH PE-4EAK.TH-U (11 13/16) 300 600(24) 980(38 9/16) 11 345(13 5/8) 339(13·3/8) 4 65(=260) 39.5 15 40 65 175 200(7/8) 22.5 7 65(=455) 35 15 65 15 22.
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OC394--1.qxp 06.5.23 5:44 PM Page 18 PE-5EAK.TH PE-5EAK.TH-U PE-6EAK.TH PE-6EAK.TH-U Unit : mm (inch) (11 13/16) 300 600(24) 1142(44 15/16) 11 70 345(13 5/8) 35 339(13 3/8) 65 (3 9/16) 90 15 15 13 65(=845) 27.5 15 65 15 27.5 (2 3/4) 70 130 250 175 200(7 7/8) 530(20 7/8) 20 1160(15 11/16) 200(7 7/8) 20 4 65(=260) 39.
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OC394--1.qxp 06.5.23 5:44 PM Page 19 4-2.
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OC394--1.qxp 06.5.23 5:44 PM 5 Page 20 WIRING DIAGRAM PE-3EAK.TH PE-3EAK.TH-U SYMBOL P.B I.B FUSE ZNR CN2L CN32 CN41 CN51 LED1 LED2 PE-4EAK.TH PE-4EAK.TH-U SYMBOL I.B SW1 SW5 SW6 SWE X4 X5 X6 R.B TB6 NAME INDOOR POWER BOARD INDOOR CONTROLLER BOARD FUSE(T6.3AL250V) VARISTOR CONNECTOR(LOSSNAY) CONNECTOR(REMOTE SWITCH)) CONNECTOR(HA TERMINAL-A) CONNECTOR(CENTRALLY CONTROL) POWER SUPPLY(I.B) POWER SUPPLY(R.B) PE-5EAK.TH PE-5EAK.
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OC394--1.qxp 06.5.23 5:44 PM 6 Page 21 REFRIGERANT SYSTEM DIAGRAM Unit : mm PE-3EAK.TH PE-3EAK.TH-U / PU-3NJA.TH Refrigerant pipe [15.
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OC394--1.qxp 06.5.23 5:44 PM Page 22 PE-4EAK.TH PE-4EAK.TH-U / PU-4VLJSA2.TH, PU-4YJSA1.TH, PU-4TJSA.TH Unit : mm Refrigerant pipe [19.
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OC394--1.qxp 06.5.23 5:44 PM 7 Page 23 TROUBLESHOOTING 7-1. TROUBLESHOOTING 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. Check the contents below before investigating details.
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OC394--1.qxp 06.5.23 5:44 PM Page 24 Errors detected by indoor unit Wired remote controller Symptom 1 Check code P1 P2 P4 P5 PA P6 P8 E4, E5 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 Remote controller signal receiving error – – – – Fb E0, E3 E1, E2 Indoor unit control system error (memory error, etc.
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OC394--1.qxp 06.5.23 5:44 PM Page 25 7-3. SELF-DIAGNOSIS ACTION TABLE Error Code Meaning of error code and detection method Abnormality of room temperature thermistor (TH1) 1 The unit is in three-minute resume prevention mode if short/open of thermistor is detected. Abnormal if the unit does not reset normally after three minutes. (The unit returns to normal operation, if it has normally reset.) 2 Constantly detected during cooling, drying, and heating operation.
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OC394--1.qxp 06.5.23 5:44 PM Page 26 Error Code Meaning of error code and detection method Freezing/overheating protection is working 1 Freezing protection (Cooling mode) The unit is in six-minute resume prevention mode if pipe temperature stays under -15: for three minutes, three minutes after the compressor started. Abnormal if it stays under -15: for three minutes again within 16 minutes after six-minute resume prevention mode.
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OC394--1.qxp 06.5.23 5:44 PM Page 27 Error Code Meaning of error code and detection method Cause 1 Contact failure at transmission wire of remote controller 2 All remote controllers are set as “sub” remote controller. In this case, E0 is displayed on remote controller, and E4 is displayed at LED (LED1, LED2) on the outdoor controller circuit board. 3 Mis-wiring of remote controller.
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OC394--1.qxp 06.5.23 5:44 PM Page 28 Error Code Meaning of error code and detection method Fb E1 or E2 Abnormality of indoor controller board Abnormal if data cannot be normally read from the nonvolatile memory of the indoor controller board. Cause 1 Defective indoor controller board. Abnormality of remote controller con1 Defective remote controller. trol board 1 Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board.
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OC394--1.qxp 06.5.23 5:44 PM Page 29 7-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Phenomena (1)LED2 on indoor controller board is off. Cause • 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. • When LED1 on indoor controller board is lit. 1 Mis-setting of main/sub for indoor unit (There is no unit corresponding to main unit.
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OC394--1.qxp 06.5.23 5:44 PM Page 30 Phenomena (3)Upward/downward vane performance failure Cause Countermeasure 1 The vane is not downward during defrosting and heat preparation and when the thermostat is OFF in HEAT mode. (Working of COOL protection function) 2 Vane motor does not rotate. • Defective vane motor • Breaking of wire or connection failure of connector • Up/down vane setting is “No vanes”. 1 Normal operation (The vane is set to horizontal regardless of remote control.
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OC394--2.qxp 06.5.23 5:45 PM Page 31 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. SWE:ON • Indoor fan is running high speed.
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OC394--2.qxp 06.5.23 5:45 PM Page 32 7-6. HOW TO CHECK THE PARTS PE-3EAK.TH PE-3EAK.TH-U Parts name PE-4EAK.TH PE-4EAK.TH-U Room temperature thermistor (TH1) Indoor coil thermistor (TH2) Normal Abnormal 4.3k'~9.6k' Open or short 5.118' BLU-YLW 18.37' (BLU-RED) 3.18' 2.648' 16.02' 14.49' WHT-BLK Capacitor BLK-BLU BLU WHT 15.26' 8.05' ORN 20.63' 17.25' 1 RED 46.
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OC394--2.qxp 06.5.23 5:45 PM Page 33 7-7. TEST POINT DIAGRAM 7-7-1. Power board PE-3EAK.TH PE-4EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH PE-5EAK.TH-U PE-6EAK.TH PE-6EAK.TH-U CN2S Connect to the indoor controller board (CN2D) Between 1 to 3 12.6-13.
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OC394--2.qxp 06.5.23 5:45 PM Page 34 7-7-2. Indoor controller board PE-3EAK.TH PE-4EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH PE-5EAK.TH-U PE-6EAK.TH PE-6EAK.TH-U LED1 Power supply (I.B) LED2 Power supply (R.B) SW6 Emergency operation CN30 Transmission (indoor/outdoor) – + + } CN2D Connector to the indoor power board (CN2S) (12.5~13.7V DC) – } CN22 Remote controller connecting wire (10.4~14.
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OC394--2.qxp 06.5.23 5:45 PM Page 35 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.
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OC394--2.qxp 06.5.23 5:45 PM 8 Page 36 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.
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OC394--2.qxp 06.5.23 5:45 PM Page 37 Rotation setting (Function setting mode No.20) Function setting Mode No. Setting No. 20 Features Indoor controller board SW5-3 setting SW5-4 setting 01 (24hours cycle) Each system operates alternately for 24hours. 02 (168hours cycle) Each system operates alternately for 168hours. OFF : Main ON : Sub ON When abnormality occurs while operating, it 03 (Back up function) changes as a back up unit, and operating continues.
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OC394--2.qxp 06.5.23 5:45 PM Page 38 Selecting functions using the wired remote controller 1 Check the function selection setting. 2 Switch to function setting mode. (Press A and B at the same time with the remote controller stopped.) For modes 15 and higher, press J and B at the same time. 3 Specify address 4 Specify unit No. (Use C and D .) Refer to address unit No. to the figure below 5 Enter the setting. (Press E .) YES (Specified indoor unit: BLOW operation) NO 6 Select mode No.
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OC394--2.qxp 06.5.23 5:45 PM Page 39 [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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OC394--2.qxp 06.5.23 5:45 PM Page 40 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 2 Item 1 Language setting to display 1.Change Language ("CHANGE LANGUAGE") (1) Operation function limit setting (operation lock) ("LOCKING FUNCTION") 2.
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OC394--2.qxp 06.5.23 5:45 PM Page 41 Flowchart of Function Setting Setting language (English) Normal display (Display when the air condition is not running) Hold down the E button and press the D button for 2 seconds. Hold down the E button and press the D button for 2 seconds. E Press the operation mode button. G Press the TIMER MENU button. D Press the TIMER ON/OFF button. Remote controller function selection mode Item1 Item2 G Dot display EN Change Language GE E F ES TEMP.
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OC394--2.qxp 9 06.5.23 5:45 PM Page 42 SYSTEM CONTROL 9-1. VARIETY OF SYSTEM CONTROL FUNCTIONS System Name A.Remote controller operation (Standard) System Diagram Features Parts Required in Addition to Standard System Components (Indoor/Outdoor Units, Remote Controller) • There are two types of remote controllers: wired type and wireless type. • Simultaneous twin indoor units are started or stopped simultaneously.
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OC394--2.qxp 06.5.23 5:45 PM System Name Page 43 System Diagram • 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 and weekly timers cannot be combined. • Simple timer: Start and stop operations can each be performed once within 72 hours (can be set in 1-hour increments). • Auto off timer: Operation is stopped when the preset time elapses following the start of operation.
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OC394--2.qxp 06.5.23 5:45 PM Page 44 9-2.
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OC394--2.qxp 06.5.23 5:45 PM Page 45 9-3.
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OC394--2.qxp 06.5.23 5:45 PM Page 46 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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OC394--2.qxp 06.5.23 5:45 PM Page 47 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. • The actual operating status of the unit may differ from what is shown on the remote controller display 2.
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OC394--2.qxp 06.5.23 5:45 PM Page 48 SW501: Settings to accommodate MA remote controller and settings to accommodate outdoor units SW No. No. 1 Functions No. 4 ON 1 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 Comments Only specify these settings when connecting an MA remote controller.
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OC394--2.qxp 06.5.23 5:45 PM Page 49 SW502 : Air Conditioner Function Settings SW No. No. 1 Functions Cooling only type/ Heat pump type OFF ON Heat pump type Cooling only type Set the mode in accordance with the operation manual for the indoor unit. Heat pump type : Set to ON. Available Not available (setting No.3 disabled) (setting No.3 enabled) Cooling only type : Set to OFF. No. 2 Auto mode No. 3 No. 4 Comments Fan speed Available (unit) Available (remote controller) Set to OFF.
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OC394--2.qxp 06.5.23 5:45 PM Page 50 ■ When Mounting Directly to a Wall When mounting the interface unit inside a ceiling or wall, install an access door to facilitate maintenance. Mount the interface unit case to the wall using the mounting screws. Interface case mounting screws When the interface unit is mounted above an indoor unit, it should be positioned 40 mm or more away from the unit to ensure that ceiling grills can be removed.
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OC394--2.qxp 06.5.23 5:45 PM Page 51 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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OC394--2.qxp 06.5.23 5:45 PM Page 52 (3) Part specifications (2) Basic wiring diagram Remote/Local selection switch Control circuit power supply No.1 unit relay box No.
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OC394--2.qxp 06.5.23 5:45 PM Page 53 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 TB3 External input 3 Wireless CN90 5 (No voltage momentary "a" contact) Operating output TB1 Operation Indoor control circuit board .
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OC394--2.qxp 06.5.23 5:45 PM Page 54 (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 As selected by remote controller operation switch. Orange From indoor unit T Red SW ON Timer control SW OFF Remote controller control Orange From indoor unit T Red Brown Brown SW (3) Basic system Refer to 9-7.
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OC394--2.qxp 06.5.23 5:45 PM Page 55 9-13. MULTIPLE REMOTE CONTROL DISPLAY You can control several units with a multiple remote control display, by wiring an optional multiple remote controller adapter (PAC-SA88HA-E) with 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. (2) Wire three of the five wires from the multiple remote controller adapter as shown in the figure below.
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OC394--2.qxp 10 06.5.23 5:45 PM Page 56 DISASSEMBLY PROCEDURE PE-3EAK.TH PE-4EAK.TH PE-5EAK.TH PE-3EAK.TH-U PE-4EAK.TH-U PE-5EAK.TH-U OPERATING PROCEDURE 1. Removing the drain pan ! Unscrew each set screw on the right and left, and remove the drain pan pushing it toward the back. (See Photo 1) PE-6EAK.TH PE-6EAK.TH-U PHOTOS&ILLUSTRATIONS Photo 1 Room temperature thermistor Set screw (for drain pan) Drain pan 2. Removing the electrical parts ! Remove the electrical parts cover.
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OC394--2.qxp 06.5.23 5:45 PM Page 57 OPERATING PROCEDURE PHOTOS 4. Removing the fan 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. (See Photo 5 or 6.) $ Unscrew four set screws of the bell mouth and remove the bell mouth. (See Photo 7.) % Loosen the set screw of the fan to pull out the sirocco fan.
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OC394--2.qxp 11 06.5.23 5:45 PM Page 58 RoHS PARTS LIST STRUCTURAL PARTS PE-3EAK.TH PE-3EAK.TH-U 9 8 7 6 3 5 4 3 1 2 14 13 12 11 10 Price Wiring RecomDiagram mended Unit Amount PE-3EAK.TH(-U) (Drawing No.) symbol Q'ty Remarks RoHS Q'ty/set Part No.
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OC394--2.qxp 06.5.23 5:45 PM Page 59 STRUCTURAL PARTS PE-4EAK.TH PE-4EAK.TH-U 9 8 7 3 6 5 4 3 1 2 14 13 12 11 10 Q'ty/set Wiring RecomSpecification Diagram mended (Drawing No.) symbol Q'ty PE-4EAK.TH(-U) RoHS Remarks Part No.
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OC394--2.qxp 06.5.23 5:45 PM Page 60 STRUCTURAL PARTS PE-5EAK.TH PE-6EAK.TH PE-5EAK.TH-U PE-6EAK.TH-U 12 11 10 9 8 7 6 5 4 3 2 1 10 12 16 15 14 13 Price Wiring RecomSpecification PE-EAK.TH(-U) Diagram mended Unit Amount (Drawing No.) symbol Q'ty 5 6 RoHS Q'ty/set Part No.
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OC394--3.qxp 06.5.23 5:47 PM Page 61 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 8 7 1 1 2 TO REMOTE CONTROLLER S1 S2 S3 TO OUTDOOR UNIT 2 L N POWER SUPPLY 3 4 6 5 TEMP. ON/OFF 10 9 No. RoHS Part number that is circled is not shown in the figure. Q'ty/set Part No. Part name Specification 1 G E17 136 308 ROOM TEMPERATURE THERMISTOR Price Wiring RecomRemarks PE- • EAK.
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OC394--3.qxp 12 06.5.23 5:47 PM Page 62 OPTIONAL PARTS 12-1. REFRIGERANT PIPES Service Ref. : PE-3EAK.TH(-U) Part No. PAC-05FFS-E Pipe length 5m Pipe size O.D. Connection method PAC-07FFS-E 7m Liquid:{9.52 Indoor unit:Flared PAC-10FFS-E 10m Gas:{15.88 Outdoor unit:Flared PAC-15FFS-E 15m Service Ref. : PE-4EAK.TH(-U) PE-5EAK.TH(-U) PE-6EAK.TH(-U) Part No. PAC-SC51PI-E PAC-SC52PI-E Pipe length 5m 7m Pipe size O.D. Liquid:{9.52 Connection method Indoor unit:Flared PAC-SC53PI-E 10m Gas:{19.
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OC394--3.qxp 06.5.
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OC394--3.qxp 06.5.23 5:47 PM Page 64 TM HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN CCopyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in May 2006 No.OC394 PDF 8 Printed in Japan. New publication, effective May 2006. Specifications subject to change without notice.