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Mitsubishi Electric PU-5XJSA, Technical & Service Manual, Page: 11 / 28

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Mitsubishi Electric PU-5XJSA Technical & Service Manual Download Page 11

11

6

REFRIGERANT SYSTEM DIAGRAM

PU-2NJA.TH

Low pressure
switch

Charge
plug

Ball

valve

[

15.88

(5/8)

Ball valve
(with service port)

Accumulator

[

9.52

(3/8)

O.D.3.2

o

I.D.2.0-L430

Check
plug

Compressor

Capillary tube

O.D.3.2

o

I.D.1.2

-L1000

Capillary tube
for injection

Strainer
#100

Outdoor heat
exchanger

High pressure
switch

flow of refrigerant

PU-2.5NJA.TH
PU-3NJA.TH

Charge
plug

Ball

valve

Ball valve
(with service port)

Accumulator

[

9.52

(3/8)

Compressor

Capillary tube for
injection

#100
Strainer

Outdoor heat
exchanger

Check
plug

flow of refrigerant

Low pressure
switch

High pressure
switch

[

15.88

(5/8)

w

Capillary
tube
PU-2.5
 (

O.D.3.2

o

I.D.1.6

   -L760)

o

2pcs

PU-3

 (

O.D.3.2

o

I.D.1.8

   -

L800)

o

2pcs

PU-2.5 (O.D.3.2

o

I.D.1.2-

L

1000)

PU-3    (O.D.3.2

o

I.D.1.6-

L500

)

PU-4TJSA.TH

Charge
plug

Ball

valve

[

19.05

(3/4)

Ball valve
(with service port)

Accumulator

[

9.52

(3/8)

Compressor

Capillary tube for
injection

Strainer
#100

Outdoor heat
exchanger

Check
plug

flow of refrigerant

Low pressure
switch

High pressure
switch

w

Capillary
tube

O.D.3.2

o

I.D.2.0

-L840

o

2pcs

O.D.3.2

o

I.D.1.2-

L

500

PU-5TJSA.TH PU-6TJSA.TH
PU-5XJSA.TH PU-6XJSA.TH

Outdoor heat
exchanger

Ball
valve

Ball valve
(with service port)

High pressure
switch

Compressor

Accumulator

DPR

Capillary tube
PU-5 (O.D. 4.0 

o

I.D. 2.4 

o

L400)

PU-6 (O.D. 4.0 

o

I.D. 2.4 

o

L200)

Capillary tube
PU-5
(O.D. 4.0 

o

I.D. 2.4 

o

L840)

o

2pcs

PU-6
(O.D. 4.0 

o

I.D. 2.4 

o

L740)

o

2pcs

[

9.52

(3/8)

[

19.05

(3/4)

Check plug

Charge
plug

: flow of refrigerant

Strainer #100

Low pressure
switch

Strainer
#50

DPR : Discharge pressure
                               regulator

OC353.qxq  05.8.9 9:27 AM  Page 11

Summary of Contents for PU-5XJSA

Page 1: ...M DIAGRAM 11 7 TROUBLESHOOTING 12 8 DISASSEMBLY PROCEDURE 16 9 PARTS LIST 18 10 OPTIONAL PARTS 27 Outdoor unit Model names Service Ref PU 2NJA PU 2NJA TH PU 2 5NJA PU 2 5NJA TH PU 3NJA PU 3NJA TH PU 4TJSA PU 4TJSA TH PU 5TJSA PU 5TJSA TH PU 5XJSA PU 5XJSA TH PU 6TJSA PU 6TJSA TH PU 6XJSA PU 6XJSA TH No OC353 Outdoor unit SPLIT TYPE AIR CONDITIONERS Model name indication August 2005 ...

Page 2: ... KJD OC233 PC GJ S D OC215 PE EJH S A OC131 PE EJ S A OC155 PS GJ S OC143 PK FL S D OC232 PK 2GKLD OC228 wUnit of pressure is based on ISO International Standardization Organization kgf cm2 MPa 1MPa 10 2kgf cm2 Outdoor Unit Air intake Air outlet Expels warm air during cooling Air intake Air outlet Air intake Air outlet Air intake Air outlet PU 5XJSA TH PU 5TJSA TH PU 6XJSA TH PU 6TJSA TH PU 2NJA T...

Page 3: ...H PU 4TJSA TH PU 5TJSA TH PU 6TJSA TH Current A 13 6 15 8 20 9 14 0 19 61 21 45 Input kW 2 97 3 44 4 09 4 97 6 68 7 28 Starting current A 54 58 80 69 135 140 Power supply Service Ref inddor unit Model name Outdoor unit Service Ref PU 2 PU 2 5 PU 3 PU 4 PU 5 PU 6 60Hz 1ph 220V PU 2NJA TH PU 2 5NJA TH PU 3NJA TH 3ph 220V PU 4TJSA TH PU 5TJSA TH PU 6TJSA TH 380 220V PU 5XJSA TH PU 6XJSA TH Notes 1 Po...

Page 4: ...31ft 0 0 0 0 0 06 0 13 0 06 0 13 0 06 0 13 0 15 0 33 0 45 0 99 0 6 1 32 45m 148ft 50m 164ft 0 12 0 26 0 12 0 26 0 12 0 26 0 30 0 66 PU 5XJSA TH 5 1 0 0 15 0 33 0 45 0 99 0 6 1 32 0 75 1 65 0 9 1 98 0 30 0 66 PU 5TJSA TH 5 1 0 0 15 0 33 0 45 0 99 0 6 1 32 0 75 1 65 0 9 1 98 0 30 0 66 PU 6XJSA TH 5 7 0 0 15 0 33 0 45 0 99 0 6 1 32 0 75 1 65 0 9 1 98 0 30 0 66 PU 6TJSA TH 5 7 0 0 15 0 33 0 45 0 99 0 ...

Page 5: ... 32 500 19 11 16 330 13 362 14 1 4 17 15 39 5 27 5 Terminal block for indoor and outdoor unit connection Terminal block for power line Handle for moving 77 524 339 282 297 444 650 25 5 8 40 60 524 Service panel Ground terminal Refrigerant pipe flared connection 15 88 3 8F Refrigerant pipe flared connection 9 52 3 8F Knock out hole for front piping refrigerant drainage and wiring Knock out hole for...

Page 6: ...9 11 16 330 13 362 14 1 4 17 15 39 5 27 5 Terminal block for indoor and outdoor unit connection Terminal block for power line Handle for moving 179 524 441 337 352 403 553 850 33 7 16 40 60 524 Service panel Ground terminal Refrigerant pipe flared connection 15 88 5 8F Refrigerant pipe flared connection 9 52 3 8F Knock out hole for front piping refrigerant drainage and wiring Knock out hole for fr...

Page 7: ...ne 300 10 10 10 Note Allow adequate upper clearance 150 500 500 Service space Handle for moving 524 61 585 83 524 345 382 403 959 1258 49 1 2 40 60 524 Service panel Ground terminal Handle for moving Refrigerant pipe flared connection 19 05 3 4F Refrigerant pipe flared connection 9 52 3 8F Knock out hole for front piping refrigerant drainage and wiring Knock out hole for front piping refrigerant d...

Page 8: ...or unit connection Terminal block for power line 300 10 10 10 Note Allow adequate upper clearance 150 500 500 Service space Handle for moving 524 61 585 83 524 345 382 403 959 1258 49 1 2 90 60 524 Service panel Ground terminal Handle for moving Refrigerant pipe flared connection 19 05 3 4F Refrigerant pipe flared connection 9 52 3 8F Knock out hole for front piping refrigerant drainage and wiring...

Page 9: ... 63H COMPRESSOR RUN CAPACITOR COMPRESSOR PROTECTOR FAN MOTOR CAPACITOR FUSE 5A CRANKCASE HEATER COMPRESSOR FAN MOTOR POWER SUPPLY TERMINAL BLOCK INDOOR OUTDOOR CONNECTING LINE TERMINAL BLOCK COMPRESSOR INTERNAL THERMOSTAT FAN MOTOR INTERNAL THERMOSTAT COMPRESSOR CONTACTOR HIGH PRESSURE SWITCH 63L LOW PRESSURE SWITCH NOTES 1 THE DOTTED LINES SHOW FIELD WIRING 2 TO INDOOR UNIT TERMINAL BLOCK PU 3NJA...

Page 10: ... 2 4 CP X17 X6 X14 52C P2 P3 P3 52C P1 B A WHT RED TB3 X6 2 1 1 2 X17 X14 PU 5TJSA TH PU 6TJSA TH PU 5XJSA TH PU 6XJSA TH 96 95 51C A C 47 51C T1 2 T2 4 T3 6 TB1 26C 63H GRY 63L GRY BLK WHT CIRCUIT BREAKER BLU 49C 49C 49C GRN YLW N POWER SUPPLY 3N 3PHASE 4WIRES 380V 60Hz L1 L2 L3 BLK WHT RED F3 5A BLU RED A1 A2 14 1352C GRY RED WHT GRY RED BLK YLW 47 R T S RED WHT BLK L3 5 L2 3 L1 1 52C 52 C T3 T2...

Page 11: ...3 O D 3 2oI D 1 8 L800 o2pcs PU 2 5 O D 3 2oI D 1 2 L1000 PU 3 O D 3 2oI D 1 6 L500 PU 4TJSA TH Charge plug Ball valve 19 05 3 4 Ball valve with service port Accumulator 9 52 3 8 Compressor Capillary tube for injection Strainer 100 Outdoor heat exchanger Check plug flow of refrigerant Low pressure switch High pressure switch w Capillary tube O D 3 2oI D 2 0 L840o2pcs O D 3 2oI D 1 2 L500 PU 5TJSA ...

Page 12: ...heck dip switch setting Check wiring Outdoor unit Wrong wiring between indoor outdoor units Outdoor unit abnormality detection Malfunction of outdoor coil thermistor Reversed phase detected Check wiring Check outdoor unit Check outdoor coil thermistor Unit No 1 Unit No 2 Room temperature thermistor RT1 Poor connector contact Thermistor malfunction Check connector Check thermistor No trouble replac...

Page 13: ...2 Press the TEMP button or TEMP button on the remote controller to advance or go back to the unit address Each time TEMP button is pressed the unit address advances by one Each time TEMP button is pressed the unit address goes back by one The check code and the unit address appear alternately 3 The check code U8 means no malfunction has occurred since installation The check code EO means the follo...

Page 14: ...l refrigerant 1 Clear obstructions from the air cycle 2 Clean the air filter 3 Check the fan 4 Check the refrigerant temperature P8 Abnormality in outdoor unit 1 Wrong wiring of indoor outdoor connecting wire 2 Reversed phase 3 Protection device is working 4 Damaged outdoor coil thermis tor 1 Check the indoor outdoor connecting wire 2 Change the connection of electric wiring 3 Check the protection...

Page 15: ...ormal Abnormal 3N 4T 1274 1274 Open or short COMPRESSOR 1Winding resistance MC Measure the resistance between the terminals using a tester Surrounding temperature20 Terminals Normal Abnormal 2N 2 5N 3N 4T R C U V 0 92 0 83 0 55 0 87 Open or short S C V W 1 933 1 83 1 24 0 87 W U 0 87 Terminals Normal Abnormal 5T 5X 6T 6X T1 T2 0 628 0 722 2 23 0 517 1 92 Open or short T2 T3 0 628 0 722 2 23 0 517 ...

Page 16: ...e catches on the both sides 2 Removing the fan motor 1 Remove the 3 screws of the front panel Open the front panel to a 45 degree angle Then lift it and unhook the 3 catches to remove 2 Remove the propeller nut and the propeller 3 Remove the 3 screws and the fan motor Disconnect the lead connectors OUTDOOR UNIT PU 3NJA TH Photo 1 Photo 2 Photo 3 Top panel Service panel Panel cover Front panel Prop...

Page 17: ...e the 2 screws of the motor support and remove the motor support 6 Remove the 5 screws of the valve bed The valve bed is fixed by the catches on the right and left sides Lift it to remove 7 Remove the electrical parts box Disconnect the connectors from the high pressure switch crank case heater shell thermo and fan motor lead 8 Remove the 2 screws of the separator and remove the separator 9 Remove...

Page 18: ...EW LEFT SIDE PANEL HANDLE FRONT PANEL FAN GUARD MOTOR SUPPORT BASE SERVICE PANEL PANEL COVER REAR PANEL LABEL REAR GUARD TOP PANEL 13 1 3 1 1 1 1 1 1 1 1 1 1 Remarks BG00N264G06 JG79C180H02 5o10 NJA TH PU 2 E07 001 249 E07 001 009 E07 001 232 E07 001 521 E07 003 290 E07 001 245 E07 001 006 E07 001 522 E07 001 523 E02 214 297 Z004M203H10 13Pcs set 13 12 1 2 7 6 8 9 3 4 5 11 10 3 ...

Page 19: ...E PANEL FRONT PANEL HANDLE FAN GUARD BASE MOTOR SUPPORT SERVICE PANEL PANEL COVER REAR PANEL LABEL REAR GUARD TOP PANEL 13 1 1 3 1 1 1 1 1 1 1 1 1 Remarks 5o10 NJA TH PU 2 5 3 E02 214 249 E07 003 232 E07 001 009 E02 527 521 E07 003 290 E07 003 245 E07 001 006 E07 003 522 E07 003 523 E02 214 297 SU02Y704G04 JG79C180H02 Z004M203H10 13Pcs set Q ty set 13 12 1 2 6 7 8 9 4 3 5 11 10 4 ...

Page 20: ...NEL HANDLE BASE SERVICE PANEL PANEL COVER REAR PANEL LABEL REAR GUARD TOP PANEL MOTOR SUPPORT 1 2 3 4 5 6 7 8 9 10 11 12 13 13 1 2 1 3 1 1 1 1 1 1 1 1 Remarks 5o10 TJSA TH PU 4 E07 005 249 E02 527 521 E07 005 232 E07 001 009 E07 005 290 E07 005 245 E07 001 006 E07 005 522 E07 005 523 E02 214 297 JG79C180H02 BG00N264G08 Z004M203H10 13Pcs set 12 11 13 8 1 2 6 7 4 5 3 10 9 5 3 ...

Page 21: ...ng Diagram Symbol Recom mended Q ty Price Unit Amount Remarks Drawing No 5o10 TJSA TH XJSA TH PU 5 6 1 2 3 1 1 1 1 1 1 1 1 13 1 Z004M203H10 13Pcs set E07 016 232 E02 527 521 E07 001 009 E07 016 290 E07 016 006 E07 016 522 E07 016 245 E07 016 523 E07 016 297 E07 016 249 FRONT PANEL FAN GUARD HANDLE BASE PANEL COVER REAR PANEL SERVICE PANEL LABEL REAR GUARD TOP PANEL MOTOR SUPPORT SCREW LEFT SIDE PA...

Page 22: ... CAPILLARY TUBE CAPILLARY TUBE STRAINER Part No Part Name Specification No Q ty set PU 2 NJA TH Price Unit Amount 250V 5A 230V PK6V85 UA M8 NHJ33NBDT 3 8 LIQ 5 8 GAS CUT 0 05MPa CUT 3 3MPa 3P L N 2P 1 2 S N20 200VAC 2 5 440V 50 440V 3 2o 1 2o1000 3 2o 2 0o430 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Remarks F3 CP MF3 MC 63L 63H TB1 TB3 52C C3 C E07 001 241 E07 001 382 E07 197 330 E07 011 301 E0...

Page 23: ... 001 646 E02 177 342 E02 138 351 E07 197 330 E02 177 353 E07 001 382 E07 198 933 E07 003 936 E07 070 936 E07 003 937 E07 199 936 FUSE HOLDER TEAMINAL BLOCK TEAMINAL BLOCK HEAT EXCHANGER HEAT EXCHANGER PROPELLER FAN NUT FAN MOTOR CHARGE PLUG COMPRESSOR COMPRESSOR CRANKCASE HEATER BALL VALVE BALL VALVE ACCUMULATOR LOW PRESSURE SWITCH HIGH PRESSURE SWITCH CONTACTOR FAN MOTOR CAPACITOR COMPRESSOR PROT...

Page 24: ...2 PK6N60 UA M8 CUT 3 3MPa NHJ56TKAT 240V 38W 3 4 GAS 3 8 LIQ 3 2o 2 0o840mm CUT 0 05MPa MSO N25KF 230V AC 230V 4 440V AC 250V 5A 3 2o 1 2o500mm 1 1 2 2 2 2 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 Remarks TB1 TB3 MF3 4 63H 26C MC HC 63L 51C 52C 47 CP C3 C4 F3 E07 193 374 E07 002 374 E07 005 301 E07 005 630 E07 001 501 E07 070 508 E07 001 646 E07 001 641 E07 005 308 E07 193 900 E07 200 240 E07 005 661 E...

Page 25: ...ACCUMULATOR CONTACTOR FAN MOTOR CAPACITOR ANTI PHASE PROTECTOR TERMINAL BLOCK COMPRESSOR PROTECTOR FUSE TERMINAL BLOCK FUSE HOLDER LOW PRESSURE SWITCH STRAINER STRAINER DIS PRESSURE REGULATOR E07 194 301 E07 035 630 E07 037 630 E07 001 501 E07 070 508 E07 001 646 E07 194 900 E07 195 900 E07 005 661 E02 010 662 E07 035 308 E07 001 641 E07 016 936 E07 195 936 E07 035 937 E07 037 937 E07 016 932 E07 ...

Page 26: ...SOR BALL VALVE BALL VALVE THERMAL SWITCH CHARGE PLUG CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE ACCUMULATOR CONTACTOR FAN MOTOR CAPACITOR ANTI PHASE PROTECTOR TERMINAL BLOCK COMPRESSOR PROTECTOR FUSE TERMINAL BLOCK FUSE HOLDER LOW PRESSURE SWITCH STRAINER STRAINER DIS PRESSURE REGULATOR E07 194 301 E07 035 630 E07 037 630 E07 001 501 E07 070 508 E07 001 646 E07 204 900 E07 205 900...

Page 27: ...AIR OUTLET GUIDE This guide is needed for changing the direction of the outdoor unit s air discharge upward or downward For PU 4 6 2 pcs of PAC 292SG are needed Unit mm Part No PAC 292SG 538 537 524 7 524 72 7 4O 6 hole 7 7 ...

Page 28: ... 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Aug 2005 No OC353 PDF 8 Made in Japan New publication effective Aug 2005 Specifications subject to change without notice TM ...

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