Mitsubishi Electric PFFY Series Скачать руководство пользователя страница 24 | Manualshive

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2. Removing the indoor controller board and
address board

(1) Remove the panel. (Refer to 1.)
(2) Remove the screw of the electrical cover, and then the
    electrical cover. (See Photo 3.)
(3) Remove the screw of the ground wires connected to the
    indoor fan motor (lower), and then the ground wires. (See
Photo 4.)
(4) Remove the screw of the ground wires connected to the
    indoor heat exchanger, and then the ground wires. (See
Photo 4.)
(5) Disconnect all the connectors on the address board and
    remove the screw of the address board case.
  (6) Remove the screw of the ground wire connected to the
    indoor controller board, and then the ground wire.
    (See Photo 4.)
(7) Pull the indoor controller board case slightly toward you
from the electrical box, and disconnect all the connectors
    on the indoor controller board.
(8) Pull out the indoor controller board case from the electrical
box.

OPERATING PROCEDURE

PHOTOS

Terminal block
(TB2)

Screw of the
ground wire (I.B)

Photo 4

3. Removing the electrical box

(1) Remove the panel. (Refer to 1.)
(2) Remove the electrical cover. (Refer to 2.)
(3) Remove the ground wires from the electrical box.
(Refer to 2.)
(4) Remove the ground wires connected to the indoor fan
motor and ones connected to the indoor heat exchanger.
(See Photo 4.)
(5) Remove the screw of the electrical box. (See Photo 4.)
(6) Disconnect the following connectors on the indoor
controller

board.

• Fan motor connectors <CNMF1, 2>

• Vane motor connector <CN6V1>

• Damper motor connector <CN6V2>

• Pipe temperature thermistor connector <CN44>

• Damper limit switch connector <CN36>

(7) Unhook the electrical box from the upper catch and pull out
the electrical box from the box.

Photo 3

Hair pin cover

Water cover Screw of the

electrical cover

Address
board (A.B)

Terminal block(TB5)

Screw of the
ground wire
(Heat exchanger)

Screw of the
ground wire
(Fan motor)

Indoor
controller
board (I.B)

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Содержание PFFY Series

Страница 1: ...LINES AND DIMENSIONS 12 8 WIRING DIAGRAM 13 9 REFRIGERANT SYSTEM DIAGRAM 14 10 TROUBLE SHOOTING 15 11 DISASSEMBLY PROCEDURE 23 12 RoHS PARTS LIST 28 SPLIT TYPE HEAT PUMP AIR CONDITIONERS R407C R22 R410A November 2008 Indication of model name NOTE This service manual describes technical data of the indoor units As for outdoor units refer to outdoor unit s service manual RoHS compliant products have...

Страница 2: ...efrigerant 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 lubricant deterioration Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the lubricant deterioration Store the piping to be used indoors ...

Страница 3: ...efrigerant recovery equipment 2 Refrigerant recharging 1 Refrigerant recharging process 1Direct charging from the cylinder R407C cylinder are available on the market has a syphon pipe Leave the syphon pipe cylinder standing and recharge it By liquid refrigerant 2 Recharge in refrigerant leakage case After recovering the all refrigerant in the unit proceed to working Do not release the refrigerant ...

Страница 4: ...ging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flare tool Electronic refrigerant charging scale Vacuum pump adaptor Size adjustment gauge Gauge manifold Torque wrench Gas leak detector Charge hose Tools for R410A If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrigerant oil or malfu...

Страница 5: ...with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase Gravimeter Unit 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance o...

Страница 6: ...utton Mode button Return button Set Time buttons Back Ahead Timer On Off button Set Day button Opening the door ON OFF button Fan Speed button Filter button Enter button Test Run button Check button Clear button Airflow Up Down button Louver button Operation button To preceding operation number Ventilation button Operation button To next operation number Once the controls are set the same operatio...

Страница 7: ...w and downward during COOL or DRY mode Operation varies according to model The indicator goes off after one hour at which time the airflow di rection also changes Room Temperature display Shows the room temperature Louver display Indicates the action of the swing louver Does not appear if the louver is stationary Power On indicator Indicates that the power is on Fan Speed indicator Shows the selec...

Страница 8: ...e flow fan 2 Airflow rate 2 m3 min 5 9 6 8 7 6 8 7 6 1 7 0 8 0 9 1 6 1 7 0 8 0 9 1 8 0 9 0 9 5 10 7 Fan External static Pa 0 pressure Motor Type DC motor Output kW 0 03 2 Air filter PP honeycomb fabric Catechin air filter Refrigerant Gas Flare mm 12 7 pipe dimension Liquid Flare mm 6 35 Field drain pipe size mm I D 16 PVC pipe VP 16 connectable Noise level 2 dB A 27 31 34 37 28 32 35 38 28 32 35 3...

Страница 9: ...PFFY P20VKM E PFFY P20VKM ER1 Fuse Indoor controller board Fan motor Upper Fan motor Lower Power supply terminal block Transmission terminal block OUTPUT 30W ARW40Z8P30MS MP20Z DC12V MP35EA DC12V DC12V Stepping motor drive Port dimension 5 2 0 2000 pulse EFM 40YGME OUTPUT 30W ARW40Y8P30MS Thermistor Room temperature detection Thermistor Pipe temperature detection Liquid Thermistor Pipe temperature...

Страница 10: ...IES Hz Test conditions Cooling Dry bulb temperature 27 Wet bulb temperature 19 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE COOLING FUNCTION 37 37 SPL dB A LINE High FAN SPEED HEATING Heating Dry bulb temperature 20 Wet bulb temperature 15 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO B...

Страница 11: ...m temperature and set temperature are dif ferent 1 Upper air flow Room temperature is close to set temperature or thermo off 1 Upper air flow only Upper and lower air flow Normal condition in heating Upper air flow During defrosting op eration start of opera tion thermo off Upper and lower air flow COOL DRY HEAT FAN Air flow Conditions Be sure to keep the area around the damper of the lower air ou...

Страница 12: ... Installation plate 96 123 125 60 19 12 60 128 118 165 205 200 12 12 11 Gas pipe 12 7 flared 1 2 Liquid pipe 6 35 flared 1 4 drain Air in Air out Air out 46 5 46 5 600 700 54 508 137 607 More than 100mm More than 100mm More than 100mm PFFY P20VKM E PFFY P20VKM ER1 PFFY P25VKM E PFFY P25VKM ER1 PFFY P32VKM E PFFY P32VKM ER1 PFFY P40VKM E PFFY P40VKM ER1 ...

Страница 13: ...P DETECTION 0 15k 25 5 4k PIPE TEMP DETECTION LIQUID 0 15k 25 5 4k LEGEND NAME SYMBOL NAME MF1 MF2 MV1 MV2 LS LEV TB2 TB5 TH21 TH22 INDOOR CONTROLLER BOARD CN32 CN51 CN52 SW2 SW3 SW4 ZNR FUSE LED1 LED2 SYMBOL A B SWITCH MODE SELECTION ADDRESS SETTING 1s DIGIT ADDRESS SETTING 10ths DIGIT BRANCH NO AIR OUTLET SELECTION NAME SW1 SW11 SW12 SW14 SWC LED on indoor board for service MEANING MARK Main pow...

Страница 14: ...mistor Pipe temperature detection Gas TH23 Thermistor Pipe temperature detection Liquid TH22 Linear expansion valve Gas pipe Liquid pipe Flare connection Gas pipe Liquid pipe PFFY P20 P25 P32 P40VKM E R1 12 7 1 2 6 35 1 4 Item Capacity Unit mm PFFY P20VKM E PFFY P20VKM ER1 PFFY P25VKM E PFFY P25VKM ER1 PFFY P32VKM E PFFY P32VKM ER1 PFFY P40VKM E PFFY P40VKM ER1 ...

Страница 15: ...6 Yellow Brown 3 5 Orange Red 4 6 Blue Brown Orange Red White Blue Brown Yellow M Check 10 2 Fan motor MF1 2 Measure the resistance between the terminals using a tester Surrounding temperature 20 30 Damper motor MV2 Normal Connector Abnormal 186 214 Open or short Brown Yellow Brown Blue Red Orange Red Pink Refer to the next page for a detail Blue Yellow Brown Orange Red Pink M Measure the resistan...

Страница 16: ... temperature thermistor TH22 Gas pipe temperature thermistor TH23 Thermistor R0 15k 3 Fixed number of B 3480 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 1 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 ...

Страница 17: ...valve is not closed all the way It is not necessary to exchange the linear expansion valve if the leakage is small and not making any trouble Liquid pipe 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 ...

Страница 18: ...fan motor operation In the case that the fan motor off the voltage is 0V Check method of indoor fan motor fan motor control P C board Wiring recovery Was contact caused good Yes NG Replace the indoor controller board Replace the fan motor Is the voltage normal Yes No Check the operation END OK Does the voltage repeat DC 0V and DC 15V No Yes Fan motor position sensor signal check Turn around the fa...

Страница 19: ...ling limit angle setting 5 Heat 4degrees up Superheat setting temperature 6 Sub cool setting temperature 6 Heat pump Effective Not available Not available First setting Down B C Not effective Effective 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 SW2 Capacity code setting 1 6 1 5 SW3 Function setting Thermistor Room temperature detection position Initial setting ON OFF 1 2 3 4 5 6 7 8 9 10 Indoor con...

Страница 20: ...l setting Address board Address can be set while the unit is stopped Address board Initial setting Address board SW12 10 SW11 1 SW12 SW11 SW14 SW14 Initial setting Effective timing Before power supply ON How to set address Example If address is 3 remain SW12 for over 10 at 0 and match SW11 for 1 to 9 with 3 How to set branch number SW14 Series R2 only Match the indoor unit s refrigerant pipe with ...

Страница 21: ...DC CNMF28 2 0 15V DC CN2M Connect to the terminal block TB5 M NET transmission connecting wire 24 30V DC non polar LED2 Power supply for MA Remote controller CN3A MA Remote controller connecting wire 1 3 8 7 13V DC Pin 1 CN6V2 Damper motor CN6V1 Vane motor CN32 Connector Remote switch SW2 Capacity setting SW3 Function setting SW4 Model setting CN52 Remote indication CN151 Centrally control CN36 Da...

Страница 22: ...FFY P20VKM E PFFY P20VKM ER1 PFFY P25VKM E PFFY P25VKM ER1 PFFY P32VKM E PFFY P32VKM ER1 PFFY P40VKM E PFFY P40VKM ER1 SW1 Function setting SW12 10ths digit address setting SW11 1s digit address setting SWC Air outlet selection ...

Страница 23: ...el See Photo 1 2 Remove the screws of the panel See Photo 2 3 Open the horizontal vane and push the left right and middle of the upper part of the panel and pull the panel toward you See Photo 2 4 Lift up the panel and remove it from the box Screws of the panel Push Horizontal vane Push Push Grille Push Push PFFY P20VKM E PFFY P32VKM E PFFY P25VKM E PFFY P40VKM E PFFY P20VKM ER1 PFFY P32VKM ER1 PF...

Страница 24: ... controller board case from the electrical box OPERATING PROCEDURE PHOTOS Terminal block TB2 Screw of the ground wire I B Photo 4 3 Removing the electrical box 1 Remove the panel Refer to 1 2 Remove the electrical cover Refer to 2 3 Remove the ground wires from the electrical box Refer to 2 4 Remove the ground wires connected to the indoor fan motor and ones connected to the indoor heat exchanger ...

Страница 25: ...ving the indoor fan motor upper 1 Remove the panel Refer to 1 2 Remove the electrical box Refer to 3 3 Remove the nozzle upper See Photo 6 4 Unhook the water cover from the catches and remove the water cover See Photo 6 5 Removing the screw of the motor band and then the motor band See Photo 7 6 Remove the line flow fan and the indoor fan motor upper from the box Photo 7 Screw of motor band Water ...

Страница 26: ...assembly lower See Photo 9 5 Remove the screws of the damper motor support and then the damper motor support 6 Remove the screws of the damper motor and then the damper motor from the damper motor support 7 Disconnect the connector from the damper motor 8 Remove the damper limit switch LS 7 Removing the indoor fan motor 1 Remove the panel Refer to 1 2 Remove the nozzle assembly lower and the drain...

Страница 27: ...he connector CN44 on the indoor controller board 5 Loosen the room temperature thermistor wire clamp under the electrical box 6 Disconnect the connector CN20 on the indoor controller board 9 Removing the heat exchanger and linear expansion valve 1 Remove the panel Refer to 1 2 Remove the hair pin cover and water cover See Photo 3 3 Remove the 2 screws of the heat exchanger See Photo 14 4 Unhook th...

Страница 28: ... UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS PFFY P20VKM E PFFY P20VKM ER1 PFFY P25VKM E PFFY P25VKM ER1 PFFY P32VKM E PFFY P32VKM ER1 PFFY P40VKM E PFFY P40VKM ER1 1 2 3 4 5 6 7 12 18 13 16 23 21 22 8 9 11 10 15 15 24 19 4 14 20 17 16 ...

Страница 29: ... I B I B A B MV1 FUSE No RoHS Part No Part name Remarks Symbol in Wiring Diagram Q ty unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 G G G G G G G G G G G G G G G G G G G G G G G G G G G G G T7W E00 530 T7W E07 002 T7W E06 002 T7W E01 103 T7W E00 103 T7W E01 530 T7W E08 223 T7W E09 130 T7W E00 170 T7W E00 272 T7W E03 527 R01 E09 527 T7W E08 002 T7W E04 114 T7W E26 762 T7...

Страница 30: ... 25 32 40VKM E PFFY P20 25 32 40VKM ER1 BOX PANEL ASSEMBLY FRONT PANEL CATECHIN AIR FILTER BACK PLATE 1 1 1 1 1 T7W E01 635 T7W E06 651 T7W E05 691 T7W E01 500 T7W E01 808 12 2 STRUCTURAL PARTS 1 2 3 5 4 PFFY P20VKM E PFFY P20VKM ER1 PFFY P25VKM E PFFY P25VKM ER1 PFFY P32VKM E PFFY P32VKM ER1 PFFY P40VKM E PFFY P40VKM ER1 ...

Страница 31: ...LEV No Part No Part name Remarks Symbol in Wiring Diagram Q ty unit 1 2 3 4 5 RoHS G G G G G G T7W E00 031 T7W H56 480 T7W E01 031 T7W E16 202 T7W E19 401 R01 H23 401 1 1 1 1 1 PFFY P20 25 32 40 1 1 1 1 1 VKM E VKM ER1 12 3 INDOOR UNIT HEAT EXCHANGER PFFY P20VKM E PFFY P20VKM ER1 PFFY P25VKM E PFFY P25VKM ER1 PFFY P32VKM E PFFY P32VKM ER1 PFFY P40VKM E PFFY P40VKM ER1 ...

Страница 32: ...8310 JAPAN C Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Nov 2008 No OC404 REVISED EDITION A PDF 7 Distributed in Jul 2006 No OC404 PDF 8 Made in Japan New publication effective Nov 2008 Specifications subject to change without notice TM ...

Страница 33: ...l RG79D841H02 PFFY P20 40VKM E Instruction Book RG79D970H03 PFFY P20 40VKM E Product Information Sheet PFFY P20 40VKM E Service Manual OCH537 PFFY P20 40VKM_Declaration_of_Conformity_ CE2010A16 PFFY P20 40VKM_Installation_Manual_ RG79D841H01 PFFY P20 40VKM_Instruction_Book_ RG79D837H01 PFFY P20 40VKM_Parts_Catalog_ OCB537 PFFY P20 40VKM_Service_Manual_ OC404A ...

Страница 34: ......

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