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Mitsubishi Electric PCA-P3HA, Technical & Service Manual

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Mitsubishi Electric PCA-P3HA Technical & Service Manual Download Page 24

24

7

REFRIGERANT SYSTEM DIAGRAM

Unit : mm

<4-way valve solenoid coil>

Heating : ON
Cooling : OFF

PCA-P3HA / PUH-3VGAA

1

.UK, PUH-3YGAA

1

.UK

Indoor unit

Outdoor unit

Thermistor
(TH1)

Strainer

(#50)

Flared
connection

Flexible tube

Service
port

Accumulator

Ball valve

Compressor

Refrigerant pipe
15.88

A

(

{

5/8")

(with heat insulator)

Refrigerant pipe
9.52

A

(

{

3/8")

(with heat insulator)

Stop valve
(with service port)

4-way valve

Service
port

High pressure
protect switch

Outdoor heat exchanger

Thermistor
(TH3)

Distributor
with
strainer

Thermistor
(TH6)

Distributor
with
strainer

Indoor coil
thermistor
(TH2)

Thermistor
(TH5)

Muffler

Thermistor(TH4)

Linear expansion valve

Refrigerant flow in cooling
Refrigerant flow in heating

(#50)

Strainer

(#100)

Strainer

(#100)

Strainer

Indoor unit

Outdoor unit

Thermistor
(TH2)

Flexible tube

Service
port

Accumulator

Compressor

Refrigerant pipe
19.05

A

(

{

3/4")

(with heat insulator)

Refrigerant pipe
9.52

A

(

{

3/8")

(with heat insulator)

Stop valve
(with service port)

4-way valve

Service
port

High pressure
protect switch

Thermistor
(TH3)

Capillary tube
(O.D.4.0

✕

I.D.3.0-L200)

✕

2pcs

Distributor
with
strainer

Flared
connection

Drier

Liner expansion valve

Bypass
valve

Thermistor
(TH5)

Thermistor
(TH1)

Muffler

Thermistor
(TH4)

Thermistor
(TH6)

Distributor
with
strainer

Capillary
tube 

w

1

Refrigerant flow in cooling
Refrigerant flow in heating

w

1 : O.D.4.0

✕

I.D.2.0-L400(PUH-P5YGAA

1

.UK)

O.D.4.0

✕

I.D.3.0-L450(PUH-P6YGAA

1

.UK)

Ball valve

(#50)

Strainer

Strainer

(#100)

Strainer

(#100)

Strainer

(#50)

Strainer

(#50)

Indoor unit

Outdoor unit

Thermistor
(TH1)

Flared
connection

Flexible tube

Service
port

Accumulator

Compressor

Refrigerant pipe
15.88

A

(

{

5/8")

(with heat insulator)

Refrigerant pipe
9.52

A

(

{

3/8")

(with heat insulator)

Stop valve
(with service port)

Service
port

High pressure
protect switch

Outdoor heat exchanger

Thermistor
(TH3)

Distributor
with
strainer

Thermistor
(TH6)

Distributor
with
strainer

Indoor coil
thermistor
(TH2)

Thermistor
(TH5)

Thermistor(TH4)

Linear expansion valve

Refrigerant flow in cooling

Ball valve

(#50)

Strainer

(#100)

Strainer

(#100)

Strainer

Strainer

(#50)

PCA-P5HA / PUH-5YGAA

1

.UK

PCA-P3HA / PU-3VGAA

1

.UK, PU-3YGAA

1

.UK

Indoor unit

Outdoor unit

Thermistor
(TH2)

Flexible tube

Service
port

Accumulator

Compressor

Refrigerant pipe
19.05

A

(

{

3/4")

(with heat insulator)

Refrigerant pipe
9.52

A

(

{

3/8")

(with heat insulator)

Service
port

High pressure
protect switch

Thermistor
(TH3)

Capillary tube
(O.D.4.0

✕

I.D.3.0-L200)

✕

2pcs

Distributor
with
strainer

Flared
connection

Drier

Thermistor
(TH5)

Thermistor
(TH1)

Thermistor
(TH4)

Thermistor
(TH6)

Distributor
with
strainer

Refrigerant flow in cooling

Stop valve
(with service port)

Liner expansion valve

Ball valve

(#50)

Strainer

Strainer

(#100)

Strainer

(#100)

(#50)

Strainer

Strainer

(#50)

PCA-P5HA / PU-5YGAA

1

.UK

OC289--1.qxp  03.3.19 10:50 AM  Page 24

Summary of Contents for PCA-P3HA

Page 1: ... unit Model names Service Ref PCA P3HA PCA P3HA PCA P5HA PCA P5HA CONTENTS 1 SAFETY PRECAUTION 2 2 PART NAMES AND FUNCTIONS 4 3 SPECIFICATIONS 6 4 DATA 10 5 OUTLINES AND DIMENSIONS 21 6 WIRING DIAGRAM 23 7 REFRIGERANT SYSTEM DIAGRAM 24 8 TROUBLESHOOTING 25 9 DISASSEMBLY PROCEDURE 26 10 PARTS LIST 30 11 OPTIONAL PARTS 33 ON OFF CENTRALLY CONTROLLED ERROR CODE CLOCK ON OFF C CHECK CHECK MODE FILTER ...

Page 2: ...o fill the system If gas refrigerant is used to fill the system the composition of the refrigerant in the cylinder will change and performance may drop Do not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may cause the refrigerant oil to deteriorate Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into t...

Page 3: ...sive tools for R407C refrigerant No Tool name Specifications 1 Gauge manifold Only for R407C Use the existing fitting SPECIFICATIONS UNF7 16 Use high tension side pressure of 3 43MPa or over 2 Charge hose Only for R407C Use pressure performance of 5 10MPa or over 3 Electronic scale 4 Gas leak detector Use the detector for R407C 5 Adapter for reverse flow check Attach on vacuum pump 6 Refrigerant c...

Page 4: ...TCH button This sets the room temperature The temperature setting can be performed in 1 units Setting range Cooler 19 to 30 Heater 17 to 28 TEMP ADJUSTMENT button This switches between continuous operation and the timer operation TIMER button This switches between the operation and stop modes each time it is pressed The lamp on this button lights during operation ON OFF button Only press this butt...

Page 5: ... the operation mode STANDBY display This indicates when the standby mode is set from the time the sleep operation starts until the heating air is discharged DEFROST display This indicates when the defrost oper ation is performed CHECK display This indicates when a malfunction has occurred in the unit which should be checked CLOCK display The current time start time and stop time can be displayed i...

Page 6: ... PCA P3HA Single phase 50Hz 220 230 240V Stainless steel Plate fin coil Sirocco direct x 2 0 04 17 19 600 670 0 direct blow Remote controller built in 34 38 26 1 1 136 44 3 4 650 25 5 8 280 11 41 90 PUH P3VGAA1 UK PUH P3YGAA1 UK Single phase 50Hz 220 230 240V 3 phase 50Hz 380 400 415V 4wires 93 47 Munsell 5Y 7 1 Linear Expansion Valve Hermetic NE52VNJMT NE52YDKMT 2 5 Line start 38 Plate fin coil P...

Page 7: ...ce Piping length PCA P5HA Single phase 50Hz 220 230 240V Stainless steel Plate fin coil Sirocco direct x 4 0 08 0 08 30 38 1 060 1 350 0 direct blow Remote controller built in 44 50 26 1 1 520 59 7 8 650 25 5 8 280 11 56 124 PUH P5YGAA1 UK 3 phase 50Hz 380 400 415V 4wires 65 5 Munsell 5Y 7 1 Linear Expansion Valve Hermetic ZR61KCW TFD 3 5 Line start Anti phase protector Internal thermostat HP swit...

Page 8: ...7 500 3 36 PCA P3HA Single phase 50Hz 220 230 240V 0 09 0 41 0 86 Stainless steel Plate fin coil Sirocco direct 2 0 04 17 19 600 670 0 direct blow Remote controller built in 34 38 26 1 1 136 44 3 4 650 25 5 8 280 11 41 90 PU P3VGAA1 UK PU P3YGAA1 UK Single phase 50Hz 220 230 240V 3 phase 50Hz 380 400 415V 4wires 14 02 4 78 93 47 Munsell 5Y 7 1 Linear Expansion Valve Hermetic NE52VNJMT NE52YDKMT 2 ...

Page 9: ... Cooling INDOOR UNIT Cooling 44 400 13 000 4 90 PCA P5HA Single phase 50Hz 220 230 240V 0 26 1 19 2 38 Stainless steel Plate fin coil Sirocco direct 4 0 08 0 08 30 38 1 060 1 350 0 direct blow Remote controller built in 44 50 26 1 1 520 59 7 8 650 25 5 8 280 11 56 124 PU P5YGAA1 UK 3 phase 50Hz 380 400 415V 4wires 6 85 65 5 Munsell 5Y 7 1 Linear Expansion Valve Hermetic ZR61KCW TFD 3 5 Line start ...

Page 10: ... 200 7 725 8 363 SHC W 4 464 3 863 3 178 5 040 4 481 3 847 5 616 5 099 4 516 6 192 5 717 5 185 6 768 6 335 5 854 7 200 6 953 6 523 7 200 7 571 7 192 7 200 7 725 7 861 SHF 0 62 0 50 0 38 0 70 0 58 0 46 0 78 0 66 0 54 0 86 0 74 0 62 0 94 0 82 0 70 1 00 0 90 0 78 1 00 0 98 0 86 1 00 1 00 0 94 P C 2 84 2 89 2 96 2 84 2 89 2 96 2 84 2 89 2 96 2 84 2 89 2 96 2 84 2 89 2 96 2 84 2 89 2 96 2 84 2 89 2 96 ...

Page 11: ...75 7 500 6 375 6 975 7 500 SHC W 3 953 3 488 2 850 4 463 4 046 3 450 4 973 4 604 4 050 5 483 5 162 4 650 5 993 5 720 5 250 6 375 6 278 5 850 6 375 6 836 6 450 6 375 6 975 7 050 SHF 0 62 0 50 0 38 0 70 0 58 0 46 0 78 0 66 0 54 0 86 0 74 0 62 0 94 0 82 0 70 1 00 0 90 0 78 1 00 0 98 0 86 1 00 1 00 0 94 P C 3 46 3 56 3 63 3 46 3 56 3 63 3 46 3 56 3 63 3 46 3 56 3 63 3 46 3 56 3 63 3 46 3 56 3 63 3 46 ...

Page 12: ...390 14 495 12 480 13 390 14 495 SHC W 8 112 7 097 5 943 9 110 8 168 7 103 10 109 9 239 8 262 11 107 10 310 9 422 12 106 11 382 10 581 12 480 12 453 11 741 12 480 13 390 12 901 12 480 13 390 14 060 SHF 0 65 0 53 0 41 0 73 0 61 0 49 0 81 0 69 0 57 0 89 0 77 0 65 0 97 0 85 0 73 1 00 0 93 0 81 1 00 1 00 0 89 1 00 1 00 0 97 P C 4 14 4 21 4 31 4 14 4 21 4 31 4 14 4 21 4 31 4 14 4 21 4 31 4 14 4 21 4 31 ...

Page 13: ...12 090 13 000 11 050 12 090 13 000 SHC W 7 183 6 408 5 330 8 067 7 375 6 370 8 951 8 342 7 410 9 835 9 309 8 450 10 719 10 277 9 490 11 050 11 244 10 530 11 050 12 090 11 570 11 050 12 090 12 610 SHF 0 65 0 53 0 41 0 73 0 61 0 49 0 81 0 69 0 57 0 89 0 77 0 65 0 97 0 85 0 73 1 00 0 93 0 81 1 00 1 00 0 89 1 00 1 00 0 97 P C 5 05 5 19 5 29 5 05 5 19 5 29 5 05 5 19 5 29 5 05 5 19 5 29 5 05 5 19 5 29 5...

Page 14: ...0 1 00 0 981 0 981 0 968 0 968 0 952 0 952 0 940 0 940 0 925 0 925 0 913 0 913 0 900 0 900 0 886 0 886 0 874 0 874 Cooling capacity correction factors OUTDOOR D B C TOTAL INPUT RATIO CAPACITY RATIO INDOOR W B C INDOOR W B C 1 4 1 2 1 0 0 8 10 22 20 18 16 22 20 18 16 20 30 46 40 0 5 1 2 1 0 0 8 0 6 0 4 Cooling ...

Page 15: ...8 0 985 0 985 0 983 0 983 0 980 0 980 0 978 0 978 2 HEATING CAPACITY Notes CA Capacity W P C Power consumption kW Service Ref 15 20 25 15 20 25 CA 10 5 0 5 10 15 Outdoor intake air W B C Indoor Intake air D B C P C 2 01 2 18 2 32 2 94 3 19 3 39 CA P C CA P C CA P C CA P C CA P C 5 842 5 612 5 428 10 160 9 760 9 440 2 22 2 39 2 59 3 24 3 49 3 78 6 348 6 072 5 888 11 040 10 560 10 240 2 56 2 76 3 00...

Page 16: ...CA P5HA Indoor Outdoor Input kW Current A Current A Starting current A Mode Capacity W Total Input kW In Out Service Ref Indoor unit Outdoor unit Cooling 7 500 3 36 0 09 0 43 14 63 89 Heating 9 200 3 41 0 09 0 43 14 85 89 Cooling 7 500 3 36 0 09 0 43 4 96 45 Heating 9 200 3 41 0 09 0 43 5 04 45 PUH P3VGAA1 UK PUH P3YGAA1 UK PCA P3HA Indoor Outdoor Input kW Current A Current A Starting current A Mo...

Page 17: ...00 3 36 0 09 0 43 14 63 89 Cooling 7 500 3 36 0 09 0 43 4 96 45 Cooling 13 000 4 90 0 26 1 19 6 85 65 5 PU P3VGAA1 UK PU P3YGAA1 UK PU P5YGAA1 UK PCA P3HA PCA P5HA Indoor Outdoor Input kW Current A Current A Starting current A Mode Capacity W Total Input kW In Out Service Ref Indoor unit Outdoor unit Cooling 7 500 3 36 0 09 0 41 14 02 93 Cooling 7 500 3 36 0 09 0 41 4 78 47 Cooling 13 000 4 90 0 2...

Page 18: ...g 7 500 3 36 0 43 14 63 4 96 84 59 2 9 5 27 19 13 35 24 0 72 0 14 Heating 9 200 3 41 0 43 14 85 5 04 89 62 0 7 5 20 15 47 7 6 PCA P3HA 1 50 230 PUH P3VGAA1 UK PUH P3YGAA1 UK 1 50 3 50 230 400 2 31 23 5 0 45 4 6 2 43 24 8 0 39 4 0 MPa Of F MPa Of F D B W B D B D B W B PCA P3HA Cooling 13 000 4 90 1 19 6 85 73 54 4 8 5 27 19 15 35 24 0 72 0 19 Heating 16 000 4 98 1 19 7 07 73 55 0 3 5 20 15 43 7 6 P...

Page 19: ...ut Indoor unit Service Ref Phase Hz Volts Amperes Outdoor unit Service Ref Phase Hz Volts Amperes Discharge pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Ref pipe length Intake air temperature Discharge air temperature Intake air temperature Mode Service Ref SHF BF W KW V A V A C C C m C C C C C Cooling 7 500 3 36 PCA P3HA 1 50 230 0 43 PU P3VGAA1 UK PU...

Page 20: ...BAR BAND CENTER FREQUENCIES Hz PCA P3HA NOTCH Hi Lo SPL dB 38 34 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz PCA P5HA NOTCH Hi Lo SPL dB 50 44 LINE 5 NOISE CRITERION CURVES 1m 1m unit about 1 4m MICROPHON...

Page 21: ...ustable part 288 360 Air outlet Suspension bolt pitch Air outlet Air intake Air intake Filter Terminal block 5 2 1 4 3 Knock out hole for upper Refrigerant pipe arrangement 6 9 2 1 Flexible hose accessory Drainage pipe connection VP 25 pipe outside diameter 32 2 Refrigerant pipe connection gas pipe side flared connection 5 8F 38 105 85 90 Electrical box Rear wall 500 250 2 3 Gap to ceiling Allowin...

Page 22: ... Knock out hole for wiring arrangement 2 27 Allowing clearances Rear wall Gap to ceiling NOTES 1 Use M10 or W3 8 screw for anchor bolt model PAC SG38KF E 12pcs Filter element for the exchange Suspension bolt pitch 122 246 handle 16 Flexible hose accessory Terminal block 7 8 Filter contour dimension Inspection port pipe sensor The half bottom of FAN CASING can be separated Adjustable part 288 360 A...

Page 23: ...WIRE CAPACITY CODE SWITCH EMERGENCY OPERATION SWE SW2 SW1 POWER SUPPLY I B POWER SUPPLY R B TRANSMISSION INDOOR OUTDOOR LED3 LED2 LED1 CONNECTOR HA TERMINAL A CN41 CONNECTOR REMOTE SWITCH CN32 CONNECTOR LOSSNAY CN2L INDOOR CONTROLLER BOARD I B INDOOR POWER BOARD FUSE 4A VARISTOR ZNR F1 P B Servicing Fasten terminal of the terminal board TB4 equips lock system To remove the fastened terminal pull i...

Page 24: ...er Capillary tube w1 Refrigerant flow in cooling Refrigerant flow in heating w1 O D 4 0 I D 2 0 L400 PUH P5YGAA1 UK O D 4 0 I D 3 0 L450 PUH P6YGAA1 UK Ball valve 50 Strainer Strainer 100 Strainer 100 Strainer 50 Strainer 50 Indoor unit Outdoor unit Thermistor TH1 Flared connection Flexible tube Service port Accumulator Compressor Refrigerant pipe 15 88A 5 8 with heat insulator Refrigerant pipe 9 ...

Page 25: ...sure the resistance using a tester Surrounding temperature 10 30 Refer to the next pege for a detail Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser Evaporator temperature thermistor TH5 Normal 4 3k 9 6k Abnormal Open or short 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature Resistance K Thermistor Characteristic graph Room temperature ...

Page 26: ...crew for control box cover to remove the con trol box cover See photo 2 3 Remove the lead wire from the 2 clips 4 Remove the 2 white cord heater relay connectors 1P 2 and 2 fan motor relay connectors 6P 2 in the control box 5 Remove the 2 screws for control box to slide the control box downward Electrical parts in the control box Fan motor capacitor Indoor controller board Power board Photo 2 Phot...

Page 27: ...elay connectors 6P in the control box See photo 3 4 Remove the 3 filter rails See photo 1 4 5 Remove the fan guard See photo 5 6 Remove the lower casing See photo 6 7 Remove the green earth wire from the motor support See photo 7 8 Remove the 2 screws M5 12 for motor support and remove the left and right motor supports 9 Remove the fan motor together with the sirocco fan 10 Remove the 2 set screws...

Page 28: ...in pan Note Remove the drain pan carefully since the drain could remain in it 7 Removing the under panel 1 Remove the oil filter See figure 1 2 Remove the 3 filter rails See photo 1 4 3 Remove the 12 screws left 1 right 1 Bottom 10 for under panel and remove the under panel See photo 11 Photo 8 Photo 9 Photo 11 Photo 12 Caution for installation When installing the pipe temperature thermistor slack...

Page 29: ... the under panel See photo 11 4 Remove the drain pan See photo 12 5 Remove the 2 screws 4 10 for pipe cover and remove the pipe cover See photo 15 6 Remove the 3 screws 4 10 left 2 right 1 for heat exchanger See photo 15 16 7 Remove the 2 screws 4 10 for heat exchanger at the top of the unit and remove the heat exchanger See photo 17 Photo 13 Photo 14 Photo 15 Caution for installation When install...

Page 30: ...NEL FRONT PANEL VANE ASSY VANE ASSY GUIDE VANE ASSY 6L GUIDE VANE ASSY 6C GUIDE VANE ASSY 6R VANE HOLDER VANE SUPPORT FRONT SUPPORT R01 13N 809 R01 13N 662 T7W E02 676 T7W E03 676 R01 12N 669 R01 13N 669 R01 13N 503 R01 E05 500 R01 13N 667 R01 13N 808 R01 13N 668 R01 13N 661 T7W E02 651 T7W E03 651 R01 12N 002 R01 13N 002 R01 13N 086 R01 13N 087 R01 13N 085 R01 13N 533 2 1 1 1 2 3 1 1 2 1 1 1 2 1 ...

Page 31: ...R EVAPORATOR TEMPERATURE TERMISTOR HEAT EXCHANGER HEAT EXCHANGER FAN PLATE SUPPORT R FAN PLATE SUPPORT C FAN MOTOR FAN MOTOR MOTOR LEG PIECE FOR MOTOR FAN PLATE SUPPORT L PIPE COVER DRAIN HOSE COVER RUBBER MOUNT BG00N756G15 BG00N756G14 BG02T500H04 BG00N893G15 BG00N893G14 BG00N893G13 R01 12N 110 R01 13N 110 R01 12N 114 R01 13N 114 T7W E02 111 T7W E03 111 T7W E12 675 R01 E51 202 T7W E14 675 T7W E13 ...

Page 32: ...ions PCA P3HA Wiring Diagram Symbol Recom mended Q ty Unit Amount Q ty set Price Remarks Drawing No P5HA BG02N713H05 BG00T759G12 1 2 3 4 5 6 7 8 9 10 11 SUPPORT CONTROLLER BOARD FUSE P0WER BOARD RUN CAPACITOR RUN CAPACITOR CONTROL BOX COVER CONTROL BOX TERMINAL BLOCK TERMINAL BLOCK REMOTE CONTROLLER R01 18J 054 T7W E30 310 R01 E00 239 T7W E01 313 R01 A00 255 R01 576 255 R01 17J 246 R01 556 246 9 1...

Page 33: ...the setback operation ends normal operation will begin 3 Weekly timer function Daily timer function can apply to each day of the week 1 TIMER 1 1 Program timer specifications 28 C 26 C 8 00 Normal operation 23 00 Setback operation 8 00 Normal operation Part No Model Name PAC SC32PTA with set back function Program timer Part name Parts No Exterior dimensions inch Installation Type of clock Clock ac...

Page 34: ...express 30 minutes The block display consists of 3 pattern MONITOR Indicates the current timer set ting All switch expect MODE SELECTOR SW are invalidated then This is the normal status SET Set to SET mode for clock adjust ment charge of week day daily and weekly timer setting Push SW to advance the time Each time the button is pushed the time advance by 1 minute pushing continuously advances by 1...

Page 35: ...RA E PCA P3HA PCA P5HA Applied Service Ref Part No PAC SF28OF E PCA P3HA PCA P5HA Applied Service Ref 3 Filter element Part No PAC SG38KF E PCA P3HA PCA P5HA Applied Service Ref 4 Decoration cover Front Susupending bracket cover Part No PAC SF81KC E PAC SF82KC E PCA P3HA PCA P5HA Applied Service Ref 5 Remote sensor 6 Remote operation adapter 7 Remote ON OFF adapter ...

Page 36: ... 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN cCopyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distribted in Mar 2003 No CO289 41 Made in Japan New publication effective Mar 2003 Specifications subject to change without notice TM ...

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