Mitsubishi Electric PKFY-P20VAM-A Скачать руководство пользователя страница 19 | Manualshive

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19

OPERATION PROCEDURE

PHOTOS & ILLUSTRATIONS

5. REMOVING THE NOZZLE ASSEMBLY

(1) Remove the front panel (Refer to 2).
(2) Remove the electrical box cover.
(3) Disconnect the connector (CN5V) on the indoor micro con

troller board.

(4) After unhook the right side of the corner box, press the

upper left side and remove the corner box.

(5) Remove the nozzle assemble from the fixture.

(See the photo 5)

(6) Remove the drain hose.

Photo 5

Heat exchanger

Electrical box

fixture

Drain hose

6. REMOVING THE LINE FLOW FAN AND THE FAN MOTOR

(1) Remove the front panel. (Refer to 2)
(2) Remove the nozzle assembly. (Refer to 5)
(3) Remove the electrical parts box.
(4) Remove the fixture while pressing the right side of motor

fixture catch. (See the photo 6)

(5) Remove the left side of the motor fixture.
(6) Loosen the screw which fixes the line flow fan to the fan

motor, then remove the fan motor by sliding it to the right
side. (See the photo 6)

(7) Pull the left-hand side of the heat exchanger toward you.

(See the photo 7)

(8) Remove the line flow fan.

Photo 6

Heat exchanger

Fan motor

Photo 7

Heat exchanger

7. REMOVING THE VANE MOTOR

(1) Remove the front panel.
(2) Remove the screw of the electrical parts box cover, and

remove the cover.

(3) Remove the screw of the vane motor, and remove the motor

from the shaft.

(4) Disconnect the vane motor connector (CN5V) on the indoor

controller board.

Photo 8

Heat exchanger

Vane motor

Nozzle assembly

8. REMOVING THE LIQUID PIPE THERMISTOR AND GAS

PIPE THERMISTOR

(1) Remove the front panel. (Refer to 2)
(2) Remove the electrical box cover.
(3) Remove the pipe cover.
(4) Cut the wiring fixed band.
(5) Remove the liquid pipe thermistor and gas pipe thermistor.

(See the photo 9)

(6) Disconnect the connector (CN29) (CN21) on the indoor

micro controller board.

Photo 9

Heat exchanger

Drain hose

fixture set screws

set screws

Drain hose

Nozzle assembly

fixture (left)

Nozzle assembly

fixture

Line flow fan

Heat exchanger
fixture (left)

Vane motor connect
screws

Liquid pipe thermis-
tor

Gas pipe thermistor

Electrical box

fixture (right)

OC254---1.qxp 2/20/01 11:13 AM Page 19

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Содержание PKFY-P20VAM-A

Страница 1: ...NS 5 3 SPECIFICATION 7 4 OUTLINES AND DIMENSIONS 9 5 WIRING DIAGRAM 10 6 REFRIGERANT SYSTEM DIAGRAM 11 7 TROUBLESHOOTING 12 8 DISASSEMBLY PROCEDURE 17 9 PARTS LIST 20 Indoor unit Model names Service Ref PKFY P20VAM A PKFY P20VAM A PKFY P25VAM A PKFY P25VAM A No OC254 2001 Wall Mounted Series PKFY INDOOR UNIT R407C R22 ...

Страница 2: ......

Страница 3: ...til just before brazing Store elbows and other joints in a plastic bag If dust dirt or water enters the refrigerant cycle deterioration of the oil and compressor trouble may result Use ESTR ETHER or HAB as the lubricant to coat flares and flange connection parts Use liquid refrigerant to seal the system If gas refrigerant is used to seal the system the composition of the refrigerant in the cylinde...

Страница 4: ...ools 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 R134a or R407C 5 Adapter for reverse flow check Attach on vacuum pump 6 Refrig...

Страница 5: ...rature 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 button to perform an inspection check o...

Страница 6: ... dis played from the time the heating operation starts unit the heated air begins to blow DEFROST display This indicates when the defrost operation 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 in ten second intervals by pressing the time switch button The start ...

Страница 7: ...Cooling Heating Height Width Depth Gas side Liquid side PKFY P20VAM A 2 2 2 5 PKFY P25VAM A 2 8 3 2 0 04 0 04 0 20 0 20 Plastic munsell 2 60Y 8 66 0 69 295 815 158 Cross fin Lineflow fan 1 5 9 5 6 5 2 4 9 0 0 017 Polyethylene sheet PP honey comb 12 7 1 2 6 35 1 4 PVC pipe VP 16 connectable I D 16 36 35 33 32 8 5 Electric characteristic Single phase 220 230 240V 50Hz Single phase 220V 60Hz Note 1 R...

Страница 8: ... 5 2k 30 4 3k 40 3 0k 250V 6 3A 4 Pole Output 17W RC4V17 1 5µF 440V MSFBC20A76 DC12V L N 250V 20A M1 M2 250V 10A Liquid pipe thermistor Gas pipe thermistor Fan motor capacitor Linear expansion valve PKFY P20VAM A PKFY P25VAM A Room temperature thermistor Fuse Indoor controller board Fan motor with thermal fuse Vane motor with limit switch Power supply terminal block Transmission terminal block DC1...

Страница 9: ... A PKFY P25VAM A A 159 407 5 328 328 298 235 235 205 205 175 175 170 170 10 10 0 298 407 5 168 135 125 110 35 10 27 5 40 53 65 87 113 128 0 295 260 260 225 225 190 190 180 159 155 155 120 120 85 85 30 30 45 4 4 5 0 0 133 122 5 97 5 85 60 47 5 22 5 15 90 102 5 124 4 4 5 35 4 4 5 40 4 4 5 37 4 11 20 8 4 3 0 72 5 Air intake dimension Air intake Installation plate Knock out hole Installation space 100...

Страница 10: ...connecter At servicing for outdoor unit always follow the wiring diagram of outdoor unit Please set the switch SW5 according to the power supply voltage Set SW5 to 240V side when the power supply is 230 and 240 volts When the power supply is 220 volts set SW5 to 220V side block Terminal Switch Circuit board Power supply Transmission Address board Mode selection Address setting 1st digit Connection...

Страница 11: ...changer Room temperature thermistor TH21 Gas pipe temperature thermistor TH23 Liquid pipe temperature thermistor TH22 Gas pipe Liquid pipe Flare Linear expansion valve Gas pipe PKFY P20VAM A PKFY P25VAM A 12 7 1 2 Liquid pipe 6 35 1 4 Models Item PKFY P20VAM A PKFY P25VAM A ...

Страница 12: ...een the brown wire GND and yellow wire VCC Slowly start running the fan It is normal if while the fan rotate once the electrical pressure change from 0V to12V then go back to 0V If the electrical pressure stay at around 0V or 10V it means the fan motor has the defects 200 Normal 1 5 White Red 150 10 Abnormal Open or short 2 6 Yellow Brown 3 5 Orange Red 4 6 Blue Brown Normal 1 2 Red Pink 400 7 Abn...

Страница 13: ...rmistor R0 15k 3 Fixed number of B 3480k 2 Rt 15exp 3480 0 15k 10 9 6k 20 6 3k 25 5 2k 30 4 3k 40 3 0k Thermistor for lower temperature Linear expansion valve Operation summary of the linear expansion valve Linear expansion valve open close through stepping motor after receiving the pulse signal from the indoor controller board Valve position can be changed in proportion to the number of pulse sig...

Страница 14: ...ot closed all the way It is not necessary to exchange the linear expansion valve if the leakage is small and not making any trouble Thermistor Linear expansion valve Motor will idle and make ticking noise when motor is operated while the linear expansion valve is locked This ticking sound is the sign of the abnormality Check the color of lead wire and missing terminal of the con nector Exchange th...

Страница 15: ...le setting Note 1 Horizontal angle Down B C Effective Not effective Heater 4 degreed up Not effective Effective Target Superheat setting temperature 9 degreed 6 degreed Target Subcool setting temperature 15 degreed 10 degreed ON OFF 1 2 3 4 5 6 7 8 9 10 ON OFF 1 2 3 4 5 6 7 8 9 10 ON OFF 1 2 3 4 ON OFF 1 2 3 4 PKFY P20VAM A MODEL SW2 PKFY P25VAM A Address board At delivery Indoor controller board ...

Страница 16: ... SW12 2nd digit address setting Rotary switch SW14 Connection No Setting SW5 Voltage selection Rotary switch Address setting should be done when M NET remote controller is being used This is the switch to be used when the indoor unit is operated with R2 series outdoor unit as a set If the unit is used at the 230V or 240V area set the voltage to 240V If the unit is used at the 220V set the voltage ...

Страница 17: ... 1 2 Push Down Be careful not to damage the airflow adjustment plate with the screw driver PKFY P25VAM A Be careful on removing heavy parts Figure 1 Figure 2 2 REMOVING THE FRONT PANEL Before removing the front panel leave the open space at upper side of air flow adjustment plate approximately 2 to 3 cm 1 Remove the screw caps then remove the set screws Refer to the photo 1 2 Remove the left side ...

Страница 18: ...photo 3 Photo 2 Electrical box cover Screw cap Electrical box Photo 3 Indoor micro controller board Indoor power board Indoor power board 4 REMOVING THE ELECTRICAL BOX 1 Remove the front panel Refer to 2 2 Remove the electrical box cover 3 Pull the nozzle assembly toward you as opening the catch of the nozzle assembly 4 Disconnect the indoor outdoor connector 5 Disconnect the following connector o...

Страница 19: ...o 6 7 Pull the left hand side of the heat exchanger toward you See the photo 7 8 Remove the line flow fan Photo 6 Heat exchanger Fan motor Photo 7 Heat exchanger 7 REMOVING THE VANE MOTOR 1 Remove the front panel 2 Remove the screw of the electrical parts box cover and remove the cover 3 Remove the screw of the vane motor and remove the motor from the shaft 4 Disconnect the vane motor connector CN...

Страница 20: ...PLATE BRAND LABEL No Parts No Parts Name Specifications PKFY P20VAM A PKFY P25VAM A Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty Unit Amount Q ty set Price 1 1 1 1 1 1 1 1 1 1 3PCS SET DT25C174H03 BC79R798H02 R01 22A 635 R01 22A 651 R01 22A 500 R01 22A 691 R01 22A 096 R01 22A 054 T7W A00 658 R01 22A 808 Part number that is circled is not shown in the figure ...

Страница 21: ...PKFY P25VAM A PKFY P20VAM A Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty Unit Amount Q ty set Price MV FUSE TH21 A B TB2 TB5 P B M B TH23 TH22 MF R B 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 BG00J285G16 T7W B00 675 R01 22A 530 R01 22A 223 R01 22A 002 R01 22A 527 R01 22A 126 R01 07Y 092 T7W 520 239 T7W E12 202 T7W B01 294 T7W E00 ...

Страница 22: ...EXCHANGER LINEAR EXPANSION VALVE With connection pipe With connection pipe No Parts No Parts Name Specifications PKFY P20VAM A PKFY P25VAM A Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty Unit Amount Q ty set Price T7W E83 480 T7W E84 480 R01 E27 401 1 1 1 1 LEV 1 2 ...

Страница 23: ......

Страница 24: ... ENGINEERING CO LTD Distributed in Feb 2001 No OC254 785 Made in Japan HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN New publication effective Feb 2001 Specifications subject to change without notice ...

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