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SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Ceiling Concealed
Series PE
<Indoor unit>
[Model names]
PE-3EJA
PE-4EJSA
PE-5EJSA
PE-6EJSA
Indoor unit
[Service Ref.]
PE-3EJA
2
PE-3EJA
3
PE-4EJSA
PE-5EJSA
PE-6EJSA
TIMER
TEMP
TIMER/TEMP.
POWER
ON/OFF
12
29
COOL
11
28
MODE
DRY
10
27
SELECT
FAN
9
26
8
25
UP
HIGH
FAN
7
24
SPEED
LOW
6
23
DOWN
5
22
4
21
AUTO
3
20
STOP
TIMER
2
19
MODE
START
1
18
MITSUBISHI ELECTRIC
Remote controller
REVISED EDITION-B
PE-3EJA
EDITION-B.
Please destroy OC155 REVISED
EDITION-A.
This manual does not cover the
following outdoor units.
.TH
When servicing them, please refer
to the following service manual and
.TH
this manual in a set.
[Service Ref.]
.TH
OC152 REVISED EDITION-A
2
PU-3VJA
.TH
PU-4VLJSA
2
PU-5YJSA.TH
.TH
PU-6YJSA.TH
2
OC127 REVISED EDITION-A
PU-3NJA
PU-4TJSA
OC199
PU-5TJSA
PU-6TJSA
OC206
PU-3VJC.TH, 3YJC.TH
CONTENTS
2. TECHNICAL CHANGE···························3
3. PART NAMES AND FUNCTIONS··········3
4. SPECIFICATIONS ··································5
5. DATA·······················································9
6. OUTLINES AND DIMENSIONS ···········20
7. WIRING DIAGRAM·······························24
8. REFRIGERANT SYSTEM DIAGRAM ········25
9. OPERATION FLOW-CHART················27
10. MICROPROCESSOR CONTROL ········30
11. TROUBLE SHOOTING·························36
12. DISASSEMBLY PROCEDURE·············39
13. PARTS LIST··········································41
14. OPTIONAL PARTS·······························45
No. OC155
.TH added in REVISED
3
.TH, 3YJA
.TH
1
1
.TH, 4YJSA
.TH
1
1
1
2
1
1
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Related Manuals for Mitsubishi Electric PE-3EJA
Summary of Contents for Mitsubishi Electric PE-3EJA
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Page 1: Table Of Contents
SPLIT-TYPE, AIR CONDITIONERS No. OC155 REVISED EDITION-B TECHNICAL & SERVICE MANUAL Ceiling Concealed Series PE PE-3EJA .TH added in REVISED EDITION-B. Please destroy OC155 REVISED <Indoor unit> EDITION-A. This manual does not cover the [Model names] [Service Ref.] following outdoor units. -
Page 3: Combination Of And Outdoor Unit
PE-6EJSA .TH. — — — — — — — — — — TECHNICAL CHANGE Differences with PE-3EJA .TH / PU-3VJA .TH, PU-3YJA .TH (OC155 REVISED EDITION-A) Change points PE-3EJA PE-3EJA 24,600 Btu/h 25,600 Btu/h COOLING 7,200 W 7,500 W CAPACITY PU-3VJA PU-3VJC.TH... - Page 4 TIMER display MODE START Lamps indicate time FAN SPEED button remaining until timer stops MITSUBISHI ELECTRIC timed operation. Green This button is used to lamps corresponding to change between low and remaining number of hours high fan speeds. One of light.
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Page 5: Specifications
SPECIFICATIONS 1. STANDARD SPECIFICATIONS Service Ref. PE-3EJA PE-4EJSA Item 7,200 9,800 50Hz Btu/h 24,600 33,400 Cooling capacity W1 8,100 10,900 60Hz Btu/h 27,600 37,200 6,700 9,400 Cooling capacity W2 60Hz Btu/h 23,000 32,000 Total input (50/60Hz) W3 3.41 / 3.76 3.59 / 4.69... - Page 6 Service Ref. PE-5EJSA PE-6EJSA Item 12,100 14,000 50Hz Btu/h 41,300 47,800 Cooling capacity W1 13,500 15,200 60Hz Btu/h 46,100 51,900 11,000 13,400 Cooling capacity W2 60Hz Btu/h 37,500 45,700 Total input (50/60Hz) W3 5.10 / 6.06 5.65 / 6.58 Service Ref. PE-5EJSA PE-6EJSA External finish...
- Page 7 Service Ref. PE-3EJA Item 7,500 50Hz Btu/h 25,600 Cooling capacity W1 8,100 60Hz Btu/h 27,600 6,700 Cooling capacity W2 60Hz Btu/h 23,000 Total input (50/60Hz) W3 3.41 / 3.76 Service Ref. PE-3EJA External finish Galvanized sheets Fan motor output /min...
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Page 8: Electrical Specifications
Outdoor : D.B. 35°C (95°F), W.B. 24°C (75°F) Series PE Indoor Unit (Single Phase) Power supply (1 phase) V : 220V 50Hz V : 230V 50Hz V : 240V 50Hz N : 220V 60Hz PE-3EJA PE-3EJA PE-3EJA PE-3EJA Service Ref. PE-4EJSA PE-4EJSA PE-4EJSA .TH PE-4EJSA... -
Page 9: Data
DATA 1. PERFORMANCE DATA Cooling capacity 50Hz Service Ref. PE-3EJA PE-4EJSA C.F. C.F. Temperature T.C. T.C. (T.I.) (T.I.) Outdoor D.B. Indoor D.B. 16°C (60.8°F) 0.81 0.81 18°C (64.4°F) 0.82 10.5 0.82 21°C 19°C (66.2°F) 0.83 10.8 0.83 (69.8°F) 19.4°C (67°F) 0.83... - Page 10 Cooling capacity 50Hz Service Ref. PE-3EJA Temperature C.F. T.C. (T.I.) Outdoor D.B. Indoor D.B. 16°C (60.8°F) 0.81 18°C (64.4°F) 0.82 21°C 19°C (66.2°F) 0.83 (69.8°F) 19.4°C (67°F) 0.83 20°C (68°F) 0.84 22°C (71.6°F) 0.86 16°C (60.8°F) 0.84 18°C (64.4°F) 0.85 25°C...
- Page 11 Cooling capacity 50Hz Service Ref. PE-5EJSA PE-6EJSA C.F. C.F. Temperature T.C. T.C. (T.I.) (T.I.) Outdoor D.B. Indoor D.B. 16°C (60.8°F) 12.1 0.81 14.1 0.81 18°C 12.9 (64.4°F) 0.82 15.0 0.82 21°C 19°C (66.2°F) 13.3 0.83 15.4 0.83 (69.8°F) 19.4°C (67°F) 13.5 0.83 15.6...
- Page 12 Cooling capacity 60Hz Service Ref. PE-3EJA .TH, PE-3EJA PE-4EJSA C.F. C.F. Temperature T.C. T.C. (T.I.) (T.I.) Outdoor D.B. Indoor D.B. 16°C (60.8°F) 0.81 10.9 0.81 18°C (64.4°F) 0.82 11.7 0.82 21°C 19°C (66.2°F) 0.83 12.0 0.83 (69.8°F) 19.4°C (67°F) 0.83 12.2...
- Page 13 Cooling capacity 60Hz Service Ref. PE-5EJSA PE-6EJSA Temperature C.F. C.F. T.C. T.C. (T.I.) (T.I.) Outdoor D.B. Indoor D.B. 16°C (60.8°F) 13.6 0.81 15.3 0.81 18°C (64.4°F) 14.4 0.82 16.2 0.82 21°C 19°C (66.2°F) 14.9 0.83 16.8 0.83 (69.8°F) 19.4°C (67°F) 15.1 0.83 17.0...
- Page 14 Refrigerant piping length (one way) Service Ref. 5m (16ft) 10m (33ft) 15m (49ft) 20m (66ft) 25m (82ft) 30m (98ft) 35m (115ft) 40m (131ft) 45m (148ft) 50m (164ft) PE-3EJA — — — — 0.978 0.962 0.948 0.934 0.921 PE-3EJA PE-4EJSA 0.984 0.974...
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Page 15: Standard Operation Data
2. STANDARD OPERATION DATA Service Ref. PE-3EJA PE-4EJSA Cooling Cooling Cooling Cooling Mode 7,200 8,100 9,800 10,900 Capacity 3.41 3.76 3.59 4.69 Input Indoor unit Service Ref. PE-3EJA PE-4EJSA 1, 50 1, 60 1, 50 1, 60 Phase, Hz Volts 1.07... - Page 16 Service Ref. PE-5EJSA PE-6EJSA Cooling Cooling Cooling Cooling Mode 12,100 13,500 14,000 15,200 Capacity 5.10 6.06 5.65 6.58 Input PE-5EJSA PE-6EJSA Indoor unit Service Ref. 1, 50 1, 60 1, 50 1, 60 Phase, Hz Volts 2.50 1.99 2.50 1.99 Amperes PU-5YJSA.TH PU-5TJSA...
- Page 17 Service Ref. PE-3EJA Cooling Cooling Mode 7,500 8,100 Capacity 3.41 3.76 Input Indoor unit Service Ref. PE-3EJA 1, 50 1, 60 Phase, Hz Volts 1.07 1.41 Amperes PU-3VJC.TH PU-3NJA Outdoor unit Service Ref. 1, 50 1, 60 Phase, Hz Volts 15.1...
- Page 18 3. FAN PERFORMANCE AND CORRECTED AIRFLOW Service Ref. : PE-3EJA PE-3EJA 50Hz 60Hz Recommended range Recommended range Airflow (m /min) (1m /min = 35.3CFM) 19 20 50Hz 60Hz 0.95 0.95 Capacity Input Airflow (m /min) Airflow (m /min) Service Ref. : PE-4EJSA...
- Page 19 Service Ref. : PE-5EJSA 50Hz 60Hz Recommended range Recommended range 27 30 45 4850 27 30 Airflow (m /min) Airflow (m /min) 50Hz 60Hz 1.05 1.05 Capacity 0.95 0.95 Input 27 30 45 48 27 30 Airflow (m /min) Airflow (m /min) Service Ref.
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Page 20: Outlines And Dimensions
OUTLINES AND DIMENSIONS 1. INDOOR UNIT Unit : mm (inch) PE-3EJA PE-3EJA 672(26 1/ 2) 600(24) 510(20 1/8) 10(3/8) 418(16 1/2) (4 3/16) 339(13 3/8) 20(13/16) (2 3/8) 60 265(10 1/2) 22.5 24.5 690(27 3/16) 381(15) 10(3/8) 730(28 3/4) 650(25 5/8) - Page 21 PE-4EJSA Unit : mm (inch) 600(24) 980(38 9/16) 10(3/8) 418(16·1/2) 795(31 5/16) (3·9/16) 339(13·3/8) 20(13/16) (3 3/8) (2 3/4) (9 5/8) 11 65(=715) 39.5 4 65(=260) 960(27 3/16) 22.5 22.5 7 65(=455) 3 65(=195) 27.5 27.5 1000(3 15/16) 10(3/8) 381(15) 920(36 1/4) 210(8 1/4) 500(19 11/16)
- Page 22 PE-5EJSA Unit : mm (inch) PE-6EJSA 600(24) 1142(44 15/16) 995(39 3/16) (3 9/16) 10(3/8) 418(16 1/2) 20(13/16) 339(13 3/8) (3 3/8) (2 3/4) (9 5/8) 14 65(=910) 4 65(=260) 39.5 70 40 1160(15 11/16) 13 65(=845) 27.5 27.5 27.5 3 65(=195) 27.5 381(15) 10(3/8)
- Page 23 SELECT HIGH SPEED DOWN AUTO STOP TIMER MODE START MITSUBISHI ELECTRIC Fixing hole Remote controller cable installation For exposed remote controller cable installation For recessed remote controller cable installation Exposed remote controller cable Remote controller cable Conduit tube (local arrangement)
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Page 24: Wiring Diagram
WIRING DIAGRAM PE-3EJA .TH / PE-3EJA .TH / PE-4EJSA .TH / PE-5EJSA .TH / PE-6EJSA SYMBOL NAME SYMBOL NAME SYMBOL NAME FAN MOTOR CAPACITOR REMOTE CONTROLLER BOARD TEMPERATURE / TIMER REMAINING TIME LD13-24<R.B> INDICATOR LED TRANSFORMER REMOTE CONTROLLER TRANSMISSION WIRE CN120<I.B>... -
Page 25: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PE-3EJA .TH / PU-3VJA TH, PU-3YJA .TH, PU-3NJA Unit : mm PE-3EJA .TH, / PU-3NJA Refrigerant pipe [15.88(5/8") (With insulation) option Low pressure High pressure PE-3EJA PU-3A type Frexible tube switch switch Ball Charge Check Valve plug... - Page 26 Unit : mm PE-4EJSA .TH / PU-4VLJSA .TH, PU-4YJSA .TH, PU-4TJSA Refrigerant pipe [ 19.05(3/4") (With insulator) option Low pressure High pressure PE-4EJSA PU-4 type Flexible tube switch switch Ball Charge Check Valve plug plug Strainer Flared Indoor heat connection exchanger Outdoor heat Muffler...
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Page 27: Operation Flow-Chart
OPERATION FLOW-CHART 1. Main operation POWER SUPPLY Live <Note 1> TIMER MODE button ON During <Note 2> operation ON/OFF button ON Protection device AUTO STOP lamp ON AUTO START lamp ON Self hold reset Auto stop timer Auto start timer Press / 1 12Hr up Press... -
Page 28: Cool Operation
2. COOL operation 3-minute time delay 6-minute Allowanse time delay Coil frost Compressor start 3 minutes elapse 6-minute time delay protection <Note 7> check mode Coil frost protection Allowanse set <Note 8> Range C Compressor start 10 minutes elapse Allowance release Continue Indoor coil 1 minute... -
Page 29: Dry Operation
3. DRY operation <Note 10> Room temperature 18 C or below Compressor ON 3-minute time delay Compressor ON 3 min.elapse <Note 6> <Note 6> Compressor Compressor thermostat ON themostat ON Compressor OFF 10 minutes completed Compressor ON time completed <Note 11> Compressor ON time set Compressor OFF... -
Page 30: Microprocessor Control
SPEED DOWN AUTO STOP TIMER MODE START MITSUBISHI ELECTRIC Indoor unit Polar, twelve (12) - core cable Maximum length 50m (164ft) INDOOR CONTROLLER BOARD INPUT from indoor unit Room temperature thermistor (RT1) Receives orders from remote controller and temperature data from Indoor coil thermistor (RT2) indoor unit. -
Page 31: Indoor Unit Control
START 3. The lighting lamp shows the set temperature, and the flashing lamp shows the room temperature. MITSUBISHI ELECTRIC When the room temperature is equal to the set temperature, the lamp keeps lighting, 0.5 seconds brightly and 0.5 seconds faintly. - Page 32 START 3. The lighting lamp shows the set temperature, and the flashing lamp shows the room temperature. MITSUBISHI ELECTRIC When the room temperature is equal to the set temperature, the lamp keeps lighting, 0.5 seconds brightly and 0.5 seconds faintly.
- Page 33 SPEED DOWN AUTO STOP TIMER MODE START MITSUBISHI ELECTRIC Steady Flash (1) Indoor fan control The indoor fan speed LOW / HIGH depends on the remote controller setting. 2-4 TIMER operation <Timer function> AUTO STOP ·········Air conditioner stops after the set time lapses.
- Page 34 2-6 Self-diagnostic function ! When trouble occurs during operation, the unit stops and displays the trouble location with the timer lamps on the remote controller. All the other lamps are OFF normally. @ To activate the self-diagnostic function for service, press the UP and DOWN buttons simultaneously for more than two TEMP...
- Page 35 2-8 Function of jumper wire and dip switch on indoor controller board 1. Jumper wire 1 JR1 ... Jumper wire for the auto vanes. Cut JR01 for the unit WITHOUT auto vanes. 2 JR2 ... Jumper wire for the temperature to start coil frost prevention Cutting JR02 changes the temperature from +1°C to -3°C.
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Page 36: Troubleshooting
TROUBLESHOOTING 1. SELF-DIAGNOSTIC FUNCTION ! When trouble occurs during operation, the unit stops and enters the self-diagnostic mode, and displays the trouble loca- tion with the timer lamps on the remote controller. All the other lamps are OFF. @ To activate the self-diagnostic function for service, press the UP and DOWN buttons simultaneously for more than two TEMP. - Page 37 2. OTHER TROUBLES AND CAUSES Power ON/OFF button Indoor/outdoor connect- does not work. ing wire is connected incorrectly. Indoor/outdoor connect- ing wire shorts. Compressor protector is damaged. Dicer is broken. Remote controller is Transmission wire is damaged. damaged. Transmission wire is Connector is poorly connected.
- Page 38 3. How to check the parts PE-EJ(S)A.TH Parts name Check points Room temperature Disconnect the connector, then measure the resistance using a tester. thermistor (RT1) (Surrounding temperature 10°C~30°C) Indoor coil thermistor (RT2) Normal Abnormal (Refer to the thermistor) 4.3k ~9.6k Open or short Trans Disconnect the connector and measure the resistance using a tester.
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Page 39: Disassembly Procedure
DISASSEMBLY PROCEDURE PE-3EJA PE-3EJA OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 1. Removing the drain pan Room temperature ! Unscrew each set screw on the right and left, and remove Photo 1 thermistor the drain pan pushing it toward the back. (See Photo 1) - Page 40 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.
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Page 41: Parts List
PARTS LIST STRUCTURAL PARTS PE-3EJA PE-3EJA PE-3EJA Q'ty/set Price Remarks Wiring Recom- Part No. Part Name Specification PE-3 Diagram mended (Drawing No.) Unit Amount symbol Q'ty .TH, EJA .TH, EJA E07 027 300 INDOOR FAN MOTOR PA6V205-E8 — CASING (R300B098F04) —... - Page 42 STRUCTURAL PARTS PE-4EJSA PE-4EJSA Q'ty/set Price Remarks Wiring Recom- Part No. Part Name Specification PE-4 Diagram mended (Drawing No.) Unit Amount symbol Q'ty EJSA .TH, EJSA E07 028 300 INDOOR FAN MOTOR PA6V305-EA E07 018 505 RUBBER MOUNT 2PCS/SET E07 022 500 SIROCCO FAN —...
- Page 43 STRUCTURAL PARTS PE-5EJSA .TH, 6EJSA PE-5EJSA .TH, 6EJSA 3 10 Q'ty/set Price Remarks Wiring Recom- Part No. Part Name Specification PE-5 PE-6 Diagram mended (Drawing No.) symbol Q'ty Unit Amount EJSA EJSA EJSA EJSA INDOOR FAN MOTOR E07 029 300 PA6V400-ED FAN MOTOR LEG —...
- Page 44 ELECTRICAL PARTS PE-3EJA .TH, PE-4EJSA .TH, PE-5EJSA .TH, PE-6EJSA PE-3EJA .TH, PE-4EJSA .TH, PE-5EJSA .TH, PE-6EJSA PE-3EJA Q'ty/set Price Remarks Wiring Recom- Part No. Part Name Specification PE-3,4,5,6 Diagram mended (Drawing No.) Unit Amount symbol Q'ty EJ(S)A .TH, EJ(S)A .TH, EJA...
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Page 45: Optional Parts
OPTIONAL PARTS 1. REFRIGERANT PIPES Service Ref. : PE-3EJA .TH / PE-3EJA Part No. PAC-05FFS-E PAC-07FFS-E PAC-10FFS-E PAC-15FFS-E Pipe length Pipe size O.D. Liquid : ø9.52 Gas : ø15.88 Connection method Indoor unit : Flared Outdoor unit : Flared Service Ref. : PE-4EJSA .TH, PE-5EJSA... - Page 46 Weekly timer lower digit of the minute becomes 0 the indication AHEAD display BACK reverses in 10 minutes units. MITSUBISHI ELECTRIC Daily timer display Day setting button : Used to set the day of the week. Pressing button changes the day.
- Page 47 D U A L C E N T R A L CENTRAL O P E R A T I O N MITSUBISHI ELECTRIC 10 9 8 7 6 5 4 3 2 1 1 1 7 4-2 Names and Functions POWER ON/OFF switch Operation ON/OFF switch.
- Page 48 4-3 Connection method (1) Connections in the power supply cord. 1. Connect the power supply cord to the power supply terminal-block and fix it in-place with a tie-lap. Connect a single phase 200V AC (220, 230, 240V) to L N. As E is the GND terminal, be sure to ground the earth wire.
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Page 49: Parts Included
5. PROGRAM TIMER ADAPTER This adapter is needed when a program timer (PAC-SK65PT) or the centralized remote controller (PAC-805RC) is used. Part No. PAC-825AD 5-1 Parts included ADAPTER··························1P 3-core cable ···························1P 3-core cable ···························1P Length : 2m (6' 7") Length : 2m (6' 7") 4-core cable ···························1P 5-core cable ···························1P Length : 2m (6' 7") - Page 50 (2) Set the address number (from SW1-1 to SW1-6) in 10 9 8 7 6 5 4 3 2 1 the dip switch when a centralized remote controller is being used. The address is the control number of each unit in the Levers No.
- Page 52 HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO CCopyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Issued in Jul. 2000. No. OC155 REVISED EDITION-B 1540 New publication, effective Jul. 2000. Issued in Dec.1997. No. OC155 REVISED EDITION-A 670 Specifications subject to change without notice.