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Mitsubishi Electric PUH-P1.6VGA, Technical & Service Manual, Page: 18 / 34

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Mitsubishi Electric PUH-P1.6VGA Technical & Service Manual Download Page 18

18

9

DISASSEMBLY PROCEDURE

OPERATING PROCEDURE

PHOTOS

PUH-P5/6YGA

1. Removing the Service panel and Top panel

(1) Remove the 3 service panel fixing screws (5 

✕

15) and

slide the hook to remove the service panel.

(2) Remove the screws (3 for front, 2 for rear/5 

✕

15) of the

top panel and remove it.

<When the rear screws of the top panel are not possible

to remove>
Remove the 3 front screws (5 

✕

15) of the top panel and

lift the front side of the top panel.

Photo 1

Top panel screws

Top panel

Service panel
screws

Service panel

Fan guard screws

Fan guard

2. Removing the Fan and Fan motor

(1) Remove the 6 fan guard screws (5 

✕

15) to remove it.

(See Photo 1)

(2) Remove the propeller nut (M8) and propeller fan.
(3) Remove the 3 fan motor screws (5 

✕

25) to remove the

fan motor.

Fan motor screws

Fan motor

Photo 3

3. Removing the Electric parts box

(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the Solenoid valve, Crankcase heater, Pressure

switch<for high pressure>, Pressure switch <for low
pressure>, Piping thermistor, Discharge thermistor,
condenser/evaporator temperature thermistor and 4-way
from the housing on the controller board,then disconnect
the fan motor lead wire from the housing mentioned before
and the condenser lead wire for the fan from the electric
box.

<Diagram symbol in the housing>

Solenoid valve (SV) · Crankcase heater (CH)
Pressure switch <for high pressure> (63H)
Pressure switch <for low pressure> (63L)
Piping thermistor (TH3) · Discharge thermistor (TH4)

Condenser/evaporator temperature thermistor (TH6)
4-way valve (21S4) · Fan motor (MF3, MF4)

(4) Remove the terminal cover and disconnect the compressor

lead wire and inner thermal device terminal.

(5) Remove an electric parts box screw (4 

✕

10) and lift the

box to remove it. The electric box cover is hooked at 2
points on the left and 1 point on the right.

Fan guard

Electric parts box

Outdoor unit
controller board

Electric parts box
fixing screw

Terminal cover

Cover panel

Cover panel fixing screw

Compressor

Photo 2

Summary of Contents for PUH-P1.6VGA

Page 1: ... AND DIMENSIONS 11 7 WIRING DIAGRAM 15 8 REFRIGERANT SYSTEM DIAGRAM 17 9 DISASSEMBLY PROCEDURE 18 10 PARTS LIST 22 11 OPTIONAL PARTS Back cover Outdoor unit model names PUH P1 6VGA PUH P2VGA PUH P2 5VGA PUH P3VGA PUH P3YGA PUH P4YGA PUH P5YGA PUH P6YGA No OC180 1999 The Slim Line From Mitsubishi Electric R407C Service Ref PUH P1 6VGA PUH P2VGA PUH P2 5VGA PUH P3VGA PUH P3YGA PUH P4YGA PUH P5YGA PU...

Page 2: ...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 the refrigerant cycle ...

Page 3: ...ve 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 G or over 2 Charge hose Only for R407C Use pressure performance of 5 10MPa G 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...

Page 4: ...work during installation often causes problems Heretofore it is completely eliminated This unique system improves the quality and reliability of the work done It also helps to speed up the installation time Air intake Air outlet Expels warm air during cooling Air intake Air outlet Air intake Air outlet Air intake Air outlet Indoor unit Outdoor unit Service Ref PLH P KAH PCH P GAH PKH P GALH PKH P ...

Page 5: ...F WB Refrigerant piping length one way 5m 16ft 3 Above deta based on indicated voltage Indoor Unit 1 phase 240V 50Hz Outdoor Unit 1 phase 240V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor 32 C DB 23 C WB 21 C DB 15 C WB 27 C DB 20 C DB Outdoor 43 C DB 5 C DB 24 C DB 18 C WB 5 C DB 6 C WB Cooling Heating Service Ref PUH P1 6VGA PUH P2VGA PUH P2 5VGA Cooli...

Page 6: ...ed voltage Indoor Unit 1 phase 240V 50Hz Outdoor Unit 1 phase 240V 50Hz 3 phase 415V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor 32 C DB 23 C WB 21 C DB 15 C WB 27 C DB 20 C DB Outdoor 43 C DB 5 C DB 24 C DB 18 C WB 5 C DB 6 C WB Cooling Heating Service Ref PUH P3VGA YGA PUH P4YGA Cooling 3 34 14 64 5 46 Single 50Hz 220 240V 3 ph 50Hz 380 415V 4wires 93...

Page 7: ...C 68 F DB Outdoor 7 C 45 F DB 6 C 43 F WB Refrigerant piping length one way 5m 16ft 3 Above deta based on indicated voltage Indoor Unit 1 phase 240V 50Hz Outdoor Unit 3 phase 415V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor 32 C DB 23 C WB 21 C DB 15 C WB 27 C DB 20 C DB Outdoor 43 C DB 5 C DB 24 C DB 18 C WB 5 C DB 6 C WB Cooling Heating Service Ref PU...

Page 8: ... 4 0 5 8 5 8 3 0 3 7 3 9 4 3 4 3 4 7 6 5 6 5 4 5 4 9 4 9 5 4 7 2 7 2 2 6 3 1 3 3 3 7 3 7 4 0 5 8 5 8 Service Ref Compressor model Winding Resistance U V R C U W S C W V U V R C U W S C W V RE277VHSM Unit PUH P1 6VGA PUH P2VGA PUH P2 5VGA PUH P3VGA PUH P3YGA PUH P4YGA NE38VMJM NE41VMJM NE52VNJM NE52YDJM NE56YDJM 1 80 3 00 0 85 2 15 0 79 2 19 0 64 1 67 3 70 3 70 3 70 3 20 3 20 3 20 Unit Compressor m...

Page 9: ...SSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING NOTCH HEATING SPL db A LINE PUH P2VGA 48 49 90 80 70 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz APPROTIMATE TERESHOLD OF REARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 COOLING NOTCH HEATING SPL db A LINE PUH P2 5VGA 48 50...

Page 10: ... REARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING NOTCH HEATING SPL db A LINE 55 57 PUH P6YGA Ambient temperature 27 Test conditions are based on JIS Z8731 1m 1m MICROPHONE UNIT GROUND 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROTIMATE TERESHOLD OF REARING FOR CONTINUOUS...

Page 11: ...RE 15 88 5 8F Refrigerant LIQUID pipe connection FLARE 9 52 3 8F Height of STOP VALAVE connection location 1 2 Front Trunking Hole Knock Out Right Side Front Side Explanation of Notes 40 68 63 22 55 65 92 33 27 100 50 50 100 33 9 2 Front Piping Hole Knock Out 55 40 3 3 3 6 holes for securing the top of the unit These holes are provided for cases where the unit must be secured by the base AND by th...

Page 12: ... 1 2 200 500 200 53 370 14 412 29 330 55 43 51 20 28 58 Handle 3 230 220 220 230 840 30 30 Refrigerant GAS pipe connection FLARE 15 88 5 8F Refrigerant LIQUID pipe connection FLARE 9 52 3 8F Height of STOP VALAVE connection location 3 3 6 holes for securing the top of the unit These holes are provided for cases where the unit must be secured by the base AND by the top surface together Use Self Tap...

Page 13: ...take Side Air Intake Handle 230 220 220 230 1246 30 30 PUH P4YGA Unit mm 4 PIPING WIRING DIRECTIONS 3 FOUNDATION BOLTS FOUNDATION Piping and wiring connections can be made from 4 directions Front Right Rear and Below SERVICE SPACE Please secure the unit firmly with 4 foundation M10 bolts Bolts and washers must be purchased locally 30mm Foundation bolt height Less than Over500 Over100 Service Space...

Page 14: ...3 370 14 29 330 20 Installation Feet 44 53 58 3 230 295 295 230 5 5 1246 FOUNDATION 30mm Foundation bolt height Less than Over500 Over100 Service Space Over500 Over10 The diagram below shows a basic example Explanation of particular details are given in the installation manuals etc SERVICE SPACE 1 FREE SPACE Around the Unit 2 3 FOUNDATION BOLTS Please secure the unit firmly with 4 foundation M10 b...

Page 15: ...15 7 WIRING DIAGRAM PUH P1 6 2 2 5 3VGA ...

Page 16: ...16 PUH P3 4 5 6YGA ...

Page 17: ...ator Refrigerant pipe 9 52A 3 8 with heat insulator Ball valve with service port Strainer 4 way valve Service port High pressure protect switch thermistor TH3 Capillary tube O D 4 0 I D 3 0 R350 2pcs Distributor with strainer Flared connection Refrigerant flow in cooling Refrigerant flow in heating Strainer Liner expansion valae Drier thermistor TH1 Indoor coil thermistor TH2 thermistor TH4 Muffle...

Page 18: ...to 1 3 Remove the Solenoid valve Crankcase heater Pressure switch for high pressure Pressure switch for low pressure Piping thermistor Discharge thermistor condenser evaporator temperature thermistor and 4 way from the housing on the controller board then disconnect the fan motor lead wire from the housing mentioned before and the condenser lead wire for the fan from the electric box Diagram symbo...

Page 19: ...r solenoid valve and disconnect the lead wire of the solenoid valve from SV on the controller board Electric parts box 8 Removing the 4 way valve 1 Remove the service panel See Photo 1 2 Remove the 4 way coil See Photo 5 Note When installing the 4 way valve cover the valve with a wet cloth to prevent the valve from heating then braze it 6 Removing the solenoid valve 1 Remove the service panel See ...

Page 20: ...Remove the braze part of the pressure switch Note When installing the pressure switch cover the pressure switch with a wet cloth to prevent the pressure switch from heating then braze it 10 Removing the refrigerant capillary tube 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electric parts box See Photo 3 4 Remove the 3 rear panel fixing screws 5 15 and 2 v...

Page 21: ...crews 5 16 to remove the valve bed 6 Remove the 3 rear panel fixing screws 5 15 to the panel 7 Remove the cover panel fixing screw 5 15 to remove the front side of cover panel 8 Remove the 3 points of the compressor fixing nut with a monkey wrench 9 Remove the braze part of compressor discharging inlet 13 Removing the accumulator 1 Remove the compressor Or remove the rear panel 2 Remove the pipe o...

Page 22: ...R01 30L 658 R01 30L 698 T7W E01 130 T7W E01 686 R01 23T 614 R01 30L 613 R01 30L 119 TOP PANEL F ST SCREW COVER PANEL 1 FAN GUARD PANEL HANDLE SIDE PANEL VALVE BED LABEL MITSUBISHI REAR PANEL COVER PANEL 2 REAR GUARD MOTOR SUPPORT BASE FRONT SUPPORT REAR SUPPORT BELL MOUTH SEPARATER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 17 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 15 DF12F536H15 DG79R130H01 BG00R292G59...

Page 23: ... 1 R01 30L 641 R01 31L 658 T7W E02 675 R01 30L 655 T7W E02 661 T7W E01 682 R01 30L 658 R01 30L 698 R01 36L 698 R01 97W 130 T7W E02 686 T7W E00 614 R01 97W 613 R01 36L 119 TOP PANEL F ST SCREW COVER PANEL 1 FAN GUARD PANEL HANDLE SIDE PANEL VALVE BED LABEL MITSUBISHI REAR PANEL COVER PANEL 2 REAR GUARD REAR GUARD MOTOR SUPPORT BASE FRONT SUPPORT REAR SUPPORT BELL MOUTH SEPARATER SEPARATER BG00R292G...

Page 24: ...1 1 1 1 1 1 1 R01 30L 641 R01 31L 658 T7W E03 675 R01 30L 655 T7W E03 661 T7W E02 682 R01 30L 658 R01 30L 698 R01 42L 130 T7W E02 686 T7W E01 614 R01 A19 613 R01 41L 119 R01 30L 119 TOP PANEL F ST SCREW COVER PANEL 1 FAN GUARD PANEL HANDLE SIDE PANEL VALVE BED LABEL MITSUBISHI REAR PANEL COVER PANEL 2 REAR GUARD MOTOR SUPPORT BASE FRONT SUPPORT REAR SUPPORT BELL MOUTH BELL MOUTH SEPARATER BG00R292...

Page 25: ... 30L 655 T7W E04 661 T7W E03 682 R01 30L 658 R01 17T 698 R01 42L 130 T7W E03 686 R01 17T 614 R01 A19 613 R01 41L 119 R01 30L 119 TOP PANEL F ST SCREW COVER PANEL 1 FAN GUARD PANEL HANDLE SIDE PANEL ACCUMULATOR DRAIN PAN LABEL MITSUBISHI REAR PANEL COVER PANEL 2 REAR GUARD MOTOR SUPPORT BASE FRONT SUPPORT REAR SUPPORT BELL MOUTH BELL MOUTH SEPARATER VALVE BED YGA DF12F536H15 DG79R130H01 RG00G279G01...

Page 26: ...26 FUNCTIONAL PARTS PUH P1 6VGA 14 20 19 23 10 6 16 15 17 25 9 11 8 3 4 18 13 24 21 22 5 1 2 12 7 ...

Page 27: ...T7W 520 239 T7W E03 716 R01 30L 097 T7W E03 405 R01 30L 255 T7W E00 723 T7W 249 708 T7W E00 208 T7W E03 401 T7W E00 467 R01 30L 450 T7W E01 403 T7W 250 242 T7W E15 202 T7W E16 201 T7W E02 440 T7W E03 411 T7W E01 410 T97 661 610 T7W E02 236 T7W E00 413 T7W E00 408 OUTDOOR FAN MOTOR PROPELLER FAN OUTDOOR CONTROLLER BOARD FUSE TERMINAL BLOCK NUT FILTER DRYER OUTDOOR FAN CAPACITOR COMPRESSOR CAPACITOR...

Page 28: ...28 FUNCTIONAL PARTS PUH P2VGA PUH P2 5VGA PUH P3VGA PUH P3YGA 15 16 14 22 21 25 9 6 5 2 13 11 18 23 24 7 17 28 26 3 27 4 8 1 10 12 20 19 ...

Page 29: ... 239 T7W E01 716 T7W E04 716 T7W E03 716 R01 30L 097 R01 30L 255 T7W 616 709 T7W 330 708 T7W E01 708 T7W E02 401 R01 36L 467 T7W E03 405 T7W E16 201 R01 36L 450 T7W E02 403 T7W 250 242 T7W E15 202 T7W E00 413 T7W E02 413 T7W E03 413 T7W E04 440 T7W E03 440 T7W E04 411 T7W E01 410 T97 501 310 T97 504 310 T97 502 310 T97 505 310 T7W E04 236 T7W E00 208 T7W 100 723 T7W 976 723 T7W E02 408 T7W E01 408...

Page 30: ...30 FUNCTIONAL PARTS PUH P4YGA 23 20 14 18 21 25 22 27 29 15 13 24 16 3 17 26 28 2 6 7 10 5 9 4 8 19 11 1 12 30 24 ...

Page 31: ...716 T7W E01 716 R01 30L 097 R01 30L 255 T7W E01 708 T7W E05 401 T7W E03 405 R01 37A 425 R01 42L 467 R01 42L 450 R01 92T 403 T7W 260 242 T7W E00 413 T7W E01 413 T7W E05 411 T7W E01 410 R01 17T 201 T7W E05 440 T7W E15 202 T97 503 310 T7W E03 236 T7W E00 208 T7W E03 408 T7W E03 409 T7W E02 425 OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR PROPELLER FAN OUTDOOR CONTROLLER BOARD FUSE TERMINAL BLOCK TERMINAL BLOC...

Page 32: ...32 17 11 22 28 25 27 26 19 16 23 12 34 3 31 24 20 2 30 6 8 7 9 5 4 FUNCTIONAL PARTS PUH P5YGA PUH P6YGA 29 18 21 14 33 15 32 1 19 10 13 ...

Page 33: ...06 440 R01 30L 097 T7W E05 411 T7W E01 410 T97 505 210 T97 500 210 R01 17T 201 T7W E01 236 T7W E00 208 T7W E04 408 T7W E04 409 R01 68H 209 T7W E01 467 T7W E03 405 OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR PROPELLER FAN OUTDOOR CONTROLLER BOARD FUSE TERMINAL BLOCK TERMINAL BLOCK FAN MOTOR CAPACITOR FAN MOTOR CAPACITOR CONTACTOR SOLENOID VALVE SOLENOID COIL CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAP...

Page 34: ...Pan Part No Applied models PAC SF48MA E PUH P GA 4 A M NET Adapter PAC SF17DP E PUH P5 6GA w PUH P4 P5 P6YGA needs two piece cCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Mar 1999 No OC180 36 Printed in Japan New publication effective Mar 1999 Specifications subject to change without notice HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO100 8310 TELEX J24532 CABLE MELCO TOKYO...

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