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Mitsubishi Electric PLFY-P100VBM-E, Service Manual, Page: 26 / 36

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Mitsubishi Electric PLFY-P100VBM-E Service Manual Download Page 26

26

9-3. TEST POINT DIAGRAM

9-3-1. Indoor controller board
PLFY-P32/40/50/63/80/100/125VBM-E.UK    PLFY-P32/40/50/63/80VBM-E

1

.UK

CN52

Remote indicator

CN51

Centrally controlled

CN4Y

i-See sensor

CN2M

Connect to the terminal block (TB5)
(M-NET transmission connecting wire)
24-30VDC (non-polar)

CN3A

Connect to the terminal block (TB15)
(MA-Remote controller connecting wire)

1

1  

- 

3

3

: 8.7-13V DC (Pin

1

1

(+))

LED2

Power supply for 
MA-Remote controller

CN32

Remote switch

SW4

Model selection

CN60

Linear expansion valve (LEV)
output 
12VDC pulse output

SW3

Function setting

SW2

Capacity setting

CN6Y

i-See sensor motor output
12VDC pulse output

CN44

Pipe temperature thermistor

1

1

-

2

2  

: Liquid (TH22)

3

3

-

4

4  

: Gas (TH23)

CN4F

Drain float switch (FS)

CN20

Room temperature
thermistor (TH21)

CN27

Damper signal output
12VDC(

1

1  

: +)

CN3G

Auto grille signal output

CN90

Connect to the wireless
remote controller board
(W.B)

LED1

Main power supply
(Indoor unit : 220-240V)

CNMF

Connect to the 
fan motor (MF)

1

1

-

4

4  

: DC310~340V

5

5

-

4

4  

: DC15V

6

6

-

4

4  

: DC0~6V

7

7

-

4

4  

: DC0 or DC15V (Stop)

DC7.5V (Operation)
(12VDC pulse)

CNP

Drain pump output (DP)

1

1

-

3

3  

: 220-240VAC

CNAC

Auto grille power
(220-240VAC)

FUSE
6.3A 250V

SWE

Test run(Drain pump)

Jumper wire J41, J42

Pair No.setting for wireless
remote controller

CND

Power supply for indoor
controller board

3

3  

- 

5

5

: 220-240VAC

CNV

vane motor output
12VDC pulse

OCH413--1.qxp  07.10.16 0:36 PM  Page 26

Summary of Contents for PLFY-P100VBM-E

Page 1: ...1 DISASSEMBLY PROCEDURE 31 SPLIT TYPE HEAT PUMP AIR CONDITIONERS PLFY P32VBM E UK PLFY P32VBM E1 UK PLFY P40VBM E UK PLFY P40VBM E1 UK PLFY P50VBM E UK PLFY P50VBM E1 UK PLFY P63VBM E UK PLFY P63VBM E1 UK PLFY P80VBM E UK PLFY P80VBM E1 UK PLFY P100VBM E UK PLFY P125VBM E UK Note This manual does not cover out door units When servicing them please refer to the outdoor unit s service manual RoHS co...

Page 2: ...em If gas refrigerant is used to seal 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 lubricant deterioration Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle a...

Page 3: ... refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant Gravimeter Unit 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 G...

Page 4: ...s with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging 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 w...

Page 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...

Page 6: ...6 3 PART NAMES AND FUNCTIONS Drain pipe Filter Vane Gas pipe Liquid pipe Air outlet i see sensor option Air intake Intake grille Indoor unit ...

Page 7: ...The room temperature display range is 8 39 The display blinks if the temperature is less than 8 or 39 or more Louver display Indicates the action of the swing louver Does not appear if the louver is not running Power On indicator Indicates that the power is on Fan Speed indicator Shows the selected fan speed Ventilation indicator Appears when the unit is running in Ventilation mode Operation Secti...

Page 8: ...2 PLP 6BA PAC SH51SP E PAC SH59KF E PAC SH53TM E 9 52 3 8 9 52 3 8 15 88 5 8 15 88 5 8 Decoration panel 1 Air outlet shutter plate High efficiency filter element 2 Multi function casement 1 PLFY P VBM E should use together with PLP 6BA 2 PAC SH53TM E is necessary to use with filter PAC SH59KF E 1 Nominal cooling conditions Note Indoor Outdoor Pipe length Level difference 27 DB 19 WB 81 FDB 66 FWB ...

Page 9: ... filter element 2 Multi function casement 1 Nominal cooling conditions Note Indoor Outdoor Pipe length Level difference 27 DB 19 WB 81 FDB 66 FWB 35 DB 95 FDB 7 5 m 24 9 16 ft 0 m 0 ft 2 Nominal cooling conditions 27 DB 19 5 WB 81 FDB 67 FWB 35 DB 95 FDB 5 m 16 3 8 ft 0 m 0 ft 3 Nominal heating conditions Unit converter 20 DB 68 FDB 7 DB 6 CWB 45 FDB 43 FWB 7 5 m 24 9 16 ft 0 m 0 ft Due to continu...

Page 10: ...thermistor Vane motor Drain up mechanism Drain float switch Linear expansion valve PLFY P40VBM E UK PLFY P40VBM E1 UK PLFY P32VBM E UK PLFY P32VBM E1 UK PLFY P50VBM E UK PLFY P50VBM E1 UK PLFY P63VBM E UK PLFY P63VBM E1 UK Room temperature thermistor Fuse Indoor controller board Fan motor Power supply terminal block Transmission terminal block MA remote controller terminal block 8 pole OUTPUT 50W ...

Page 11: ...ermistor Fuse Indoor controller board Fan motor Power supply terminal block Transmission terminal block MA remote controller terminal block 8 pole OUTPUT 50W 8 pole OUTPUT 120W MSBPC20M04 DC12V 300 phase PLD 12230ME 1 INPUT 12 10 8W 24R Hr open short detection DC12V Stepping motor drive port dimension 5 2 0 2000pulse EDM 80YGME W Note Refer to WIRING DIAGRAM for the supplied voltage 4 3 SOUND LEVE...

Page 12: ... 250 500 1k 2k 4k 8k NC 60 NC 50 NC 40 NC 20 NC 30 Octave band pressure level dB 0dB 20Pa Octave band center frequencies Hz 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 NC 40 NC 20 NC 30 Octave band pressure level dB 0dB 20Pa Octave band center frequencies Hz 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1...

Page 13: ... the air outlet shutter plate option Pattern 1 Initial setting Pattern 4 1 air outlet fully closed Pattern 6 2 air outlet fully closed 1 Silent 2 5m 2 7m 3 0m 2 Standard 2 7m 3 0m 3 3m 3 High ceiling 3 5m 3 5m 3 5m 4 direction 3 direction 2 direction SWA SWB PLFY P32 P40 P50 P63 P80VBM E 1 UK PLFY P100 P125VBM E UK 4 3 2 1 Silent 2 7m 3 0m 3 3m 2 Standard 3 2m 3 6m 4 0m 3 High ceiling 4 5m 4 5m 4 ...

Page 14: ...fan X Auxiliary relay For DC 12V coil rating 1 0W or below Branch duct hole A A A 14 2 8 burring hole Indoor unit 150 cut out hole Fresh air intake hole 175 burring hole pitch Drain pipe Fresh air intake hole diagram Refrigerant pipe 3 2 8 burring hole Branch duct hole diagram view from either side 125 burring hole pitch 100 cut out hole Ceiling 158 120 120 350 90 70 100 100 90 100 130 155 167 5 2...

Page 15: ...et with airflow amount Q Pa C Static pressure of booster fan with airflow amount Q Pa D Static pressure loss increase amount of fresh air intake duct sys tem for airflow amount Q Pa E Static pressure of indoor unit with airflow amount Q Pa Qa Estimated amount of fresh air intake without D m3 min How to read curves 200 150 100 50 0 50 0 1 2 3 4 5 6 Static pressure Pa Airflow rate m3 min 200 150 100...

Page 16: ...0 or W3 8 Procured at local site 4 Electrical box may be removed for the service purpose Make sure to slack the electrical wire little bit for control power wires connection 5 The height of the indoor unit is able to be adjusted with the grille attached 6 For the installation of the optional high efficiency filter or optional multi functional casement 1 Requires E or more space between transom and...

Page 17: ...N ADDRESS SETTING 1ST DIGIT ADDRESS SETTING 2ND DIGIT CONNECTION NO CEILING HEIGHT SELECTOR DISCHARGE OUTLET NUMBER SELECTOR OPTION SELECTOR PCB FOR WIRELESS REMOTE CONTROLLER RECEVING UNIT BUZZER LED OPERATION INDICATION GREEN LED PREPARATION FOR HEATING ORANGE EMERGENCY OPERATION HEAT DOWN EMERGENCY OPERATION COOL UP SYMBOL NAME 1 9 Be sure to turn off the power source and then disconnect fan mo...

Page 18: ...Flare connection Gas pipe Liquid pipe PLFY P32 P40VBM E 12 7 1 2 6 35 1 4 PLFY P50VBM E 12 7 1 2 15 88 5 8 6 35 1 4 9 52 3 8 PLFY P63 P80VBM E 15 88 5 8 9 52 3 8 PLFY P100 P125VBM E 15 88 5 8 19 05 3 4 9 52 3 8 Item Capacity Unit mm inch PLFY P32VBM E UK PLFY P40VBM E UK PLFY P50VBM E UK PLFY P63VBM E UK PLFY P80VBM E UK PLFY P100VBM E UK PLFY P125VBM E UK PLFY P32VBM E1 UK PLFY P40VBM E1 UK PLFY ...

Page 19: ... 0 9 5 4 9 Red White 5 2 0 7 5 2 7 Connector Normal 300 Measure the resistance between the terminals with a tester At the ambient temperature of 20 30 Abnormal Open or short Red Yellow Red Blue Red Orange Red White Connector Normal 250 Disconnect the connector then measure the resistance valve with a tester Linear expansion valve LEV Abnormal Open or short Normal 150k i10 White Red Yellow Brown Or...

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

Page 21: ...ot light while the signals are output or keeps lighting even after the signals stop Countermeasures Exchange the indoor con troller board at drive circuit failure Linear expansion valve mechanism is locked Valve doesn t close completely Wrong connection of the connector or contact failure To check the linear expansion valve operate the indoor unit in fan mode and at the same time operate other ind...

Page 22: ...nd check the voltage TEST POINT4 VFG between 7 and 4 Check method of indoor fan motor fan motor indoor controller board Wiring recovery Trouble of the indoor controller board Replace the indoor controller board Trouble of the fan motor Replace the motor Does the voltage repeat DC0V and DC15V Replace the indoor controller board Is the voltage normal Was contact caused good Yes 1 2 NO Yes NO Yes Pow...

Page 23: ...de 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 controller board Indoor controller board Initial setting Set while the unit is off Set while the unit is off Set for each capacity Indoor controller board ON OFF 1 2 3 4 5 Capacity P32 P63 P40 P80 P125 P50 P100 SW 2 Capacity SW 2 Capacity SW 2 ON OFF 1 2 3 4 5 6...

Page 24: ...nts multi function casement to the unit be sure to attach it to the option side in order to prevent the airflow reducing This is the switch to be used when the indoor unit is operated with R2 series outdoor unit as a set This switch is not used Remarks Initial setting Address board Initial setting Address board Initial setting Address board Address board Initial setting Address board Initial setti...

Page 25: ...ler when installed 2 indoor units or more are near Pair No setting is necessary 1 Pair No setting is available with the 4 patterns Setting patters A to D 2 Make setting for J41 J42 of indoor controller board and the Pair No of wireless remote controller You may not set it when operating it by 1 remote controller 1 Setting for indoor unit Jumper wire J41 J42 on the indoor controller board are cut a...

Page 26: ...N6Y i See sensor motor output 12VDC pulse output CN44 Pipe temperature thermistor 1 1 2 2 Liquid TH22 3 3 4 4 Gas TH23 CN4F Drain float switch FS CN20 Room temperature thermistor TH21 CN27 Damper signal output 12VDC 1 1 CN3G Auto grille signal output CN90 Connect to the wireless remote controller board W B LED1 Main power supply Indoor unit 220 240V CNMF Connect to the fan motor MF 1 1 4 4 DC310 3...

Page 27: ...VBM E UK PLFY P100VBM E UK PLFY P125VBM E UK PLFY P32VBM E1 UK PLFY P40VBM E1 UK PLFY P50VBM E1 UK PLFY P63VBM E1 UK PLFY P80VBM E1 UK SW1 Function setting SWA Ceiling hight selector SWB Discharge outlet number selector SW12 Address setting 2nd digit SW11 Address setting 1st digit SWC Option selector ...

Page 28: ...default specification 2 0 m 3 2 m 4 0 m 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 5 6 7 8 9 10 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 5 6 7 8 9 10 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 Screws Unit Control board SW22 Decorative panel Cover for Electric Box You can set up 8 different stages of lowering distance for the ai...

Page 29: ... 3 2 m 3 6 m and 4 0 m These should be used only as a guide You should lower the air intake grille yourself to check the exact distance You cannot stop the operation while the air intake grille is rising If you press the button while moving up the air intake grille may stop rising but it will not stop immediately Stand by for raising display Raising display blinking Stopped display when the air in...

Page 30: ...l specified air conditioner When used in combination with CITY MULTI model Raise or lower the air intake grille of the specific air conditioner that you select from all that are managed by that remote controller Ensure that the air conditioner is not running Otherwise it may cause an injury or a failure Warning Remarks Remarks Each press changes the Address No of indoor unit from 01 to 50 If Err i...

Page 31: ... 4 Removing the indoor controller board I B 1 Remove the air intake grille and the filter See Figure 1 2 Remove the 2 screws from the electrical box cover 3 Disconnect the connectors CNMF White 7P for fan motor CN44 White 4P for thermistor TH22 TH23 CNP Blue 3P for drain pump CN4F White 4P for float switch CN01 Black 5P for earth and TB2 CNV White 20P for vane motor CN81 CN42 Red 8P 4P for address...

Page 32: ... 3 Remove the turbo fan nut 4 Pull out the turbo fan 5 Remove the wire cover 3 screws 6 Remove 2 wiring clamps 7 Disconnect the connector of the fan motor CNMF 8 Remove the 3 nuts and washers and rubber mounts of the fan motor 8 Removing the drain pan 1 Remove the air intake grille and the filter See Figure 1 2 Remove the 2 screws from the electrical box cover 3 Disconnect the connectors Refer to ...

Page 33: ... Photo 9 Drain pump Hose band Float switch Drain pump assembly fixing screw Drain pump fixing screw Float switch fixing screw 11 Removing the heat exchanger 1 Remove the drain pan See photo 6 2 Remove the 3 screws of the piping cover and pull out piping cover 3 Remove the 2 screws of coil plate 4 Remove the 2 screws of the coil 5 Remove the screw of the coil support 6 Pull out the heat exchanger P...

Page 34: ...34 ...

Page 35: ...35 ...

Page 36: ...buted in Oct 2007 No OCH413 REVISED EDITION A PDF 7 Distributed in Mar 2007 No OCH413 PDF 7 Made in Japan New publication effective Oct 2007 Specifications subject to change without notice HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN TM ...

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