Mitsubishi Electric PEFY-P15VMS1(L)-E Скачать руководство пользователя страница 21 | Manualshive

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[

VII

Troubleshooting ]

- 16 -

HWE07120

GB

2. DC fan motor (fan motor/indoor control board)

1. CAUTION

A high voltage is applied to the connector for connection to the fan motor (CNMF).

Do not unplug the connector CNMF with the unit energized to avoid damage to the indoor control board and fan motor.

2. Troubleshooting

Symptom: Indoor unit fan does not run.

Check fan motor connector contact
(CNMF).

Replace the indoor control board.

Replace the indoor control board.

Fix the connection.

Yes

No

Yes

No

Yes

No

Check the fan motor position thermistor signal.
Get the motor to make a full rotation or more, and measure the voltage at the test point
V

FG

.

(same with the voltage between fan connector 7 (+) and 4(-))

Is the fan motor connector
(CNMF) fully inserted?

Is the voltage within the
normal range?

Replace the motor.

Are 0VDC and 15VDC
displayed alternately?

Check the power supply.
Measure the voltage at the indoor control board.

310 - 340VDC (same with the voltage between fan connector 1 (+) and 4(-))

15VDC (same with the voltage between fan connector 5 (+) and 4(-))
1 - 6.5VDC (same with the voltage between fan connector 6 (+) and 4(-))

[Values for Vsp are the values that are measured with the fan motor in operation.
Vsp is 0V when the fan motor is stopped.]

V

DC

Power supply voltage

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Содержание PEFY-P15VMS1(L)-E

Страница 1: ...Air Conditioners TECHNICAL SERVICE MANUAL Models PEFY P15VMS1 L E PEFY P40VMS1 L E PEFY P20VMS1 L E PEFY P50VMS1 L E PEFY P25VMS1 L E PEFY P63VMS1 L E PEFY P32VMS1 L E For use with R410A R407C R22 2007 ...

Страница 2: ...unit on a surface that can withstand its weight Unit installed on an unstable surface may fall and cause in jury Only use specified cables Securely connect each cable so that the terminals do not carry the weight of the cable Improperly connected cables may produce heat and start a fire Take appropriate safety measures against wind gusts and earthquakes to prevent the unit from toppling over Impro...

Страница 3: ...ean and free of such contaminants as sulfur oxides dust dirt shaving particles oil and moisture Contaminants in the refrigerant piping may cause the refrig erator oil to deteriorate Store the piping materials indoors and keep both ends of the pipes sealed until immediately before brazing Keep el bows and other joints wrapped in plastic Infiltration of dust dirt or water into the refrigerant system...

Страница 4: ... VI Refrigerant System Diagram 1 Refrigerant system diagram 11 VII Troubleshooting 1 Troubleshooting 12 1 Check methods 12 2 DC fan motor fan motor indoor control board 16 3 Address switch setting 17 4 Voltage test points on the control board 18 5 Dipswitch setting Factory setting 19 VIII Disassembly Procedure 1 Disassembly Procedure 22 1 Control box 22 2 Thermistor Intake air 23 3 Drainpan 24 4 T...

Страница 5: ...HWE07120 GB ...

Страница 6: ...ures 1 Features Model Cooling capacity Heating capacity kW PEFY P15VMS1 L E 1 7 1 9 PEFY P20VMS1 L E 2 2 2 5 PEFY P25VMS1 L E 2 8 3 2 PEFY P32VMS1 L E 3 6 4 0 PEFY P40VMS1 L E 4 5 5 0 PEFY P50VMS1 L E 5 6 6 3 PEFY P63VMS1 L E 7 1 8 0 ...

Страница 7: ... temperature The thermistor at the lower right hand section of the remote controller must be free from obstructions to ensure accurate mea surement of room temperature A Air 1 Set Temperature Button 7 Vane Control Button 2 Timer Menu Button 8 Ventilation Button Monitor Set Button Operation Button 3 Mode Button 9 Check Clear Button Back Button 10 Test Run Button 4 Timer On Off Button 11 Filter Butt...

Страница 8: ... time I Louver swing B Centralized control indicator J Ventilation C Timer OFF indicator K Filter sign D Timer mode L Sensor position E Operation mode display COOL DRY AUTO FAN HEAT M Room temperature F Function Lock indicator N Vane setting G Preset temperature O Fan speed H Power indicator ...

Страница 9: ...eating A 0 31 0 31 0 36 0 36 0 39 0 39 0 39 0 39 External finish Munsel No Galvanized Dimensions Height mm 200 Width mm 700 Depth mm 700 Net weight 2 kg 19 18 20 19 Heat exchanger Cross fin Aluminium fin and cupper tube Fan Type Sirocco fan x 2 Airflow rate Low Mid High m3 min 5 0 6 0 7 0 5 5 6 5 8 0 5 5 7 0 9 0 6 0 8 0 10 0 External static pressure Pa 5 15 35 50 5 15 35 50 5 15 35 50 5 15 35 50 M...

Страница 10: ... Munsel No Galvanized Dimensions Height mm 200 Width mm 900 1100 Depth mm 700 Net weight 2 kg 24 23 28 27 Heat exchanger Cross fin Aluminium fin and cupper tube Fan Type Sirocco fan x 3 Sirocco fan x 4 Airflow rate Low Mid High m3 min 8 0 9 5 11 0 9 5 11 0 13 0 12 0 14 0 16 5 External static pressure Pa 5 15 35 50 5 15 35 50 5 15 35 50 Motor Output kW 0 096 Air filter PP Honeycomb fabric washable ...

Страница 11: ...30A Transmission terminal block TB5 TB15 1 2 M1 M2 S 250V 20A Drain float switch DS Open short detection Initial contact resistance 500 m or less Component Sym bol PEFY P40VMS1 L E PEFY P50VMS1 L E PEFY P63VMS1 L E Room temperature thermistor TH21 Resistance 0 C 15k 10 C 9 6k 20 C 6 3k 25 C 5 4k 30 C 4 3k 40 C 3 0k Liquid pipe thermistor TH22 Resistance 0 C 15k 10 C 9 6k 20 C 6 3k 25 C 5 4k 30 C 4...

Страница 12: ...ng Knockout hole 27 Power source wiring G 1200 F 1000 E 11 D 1060 C 1100 B 1152 PEFY P15 20 25 32VMS1 E PEFY P40VMS1 E PEFY P63VMS1 E Model A 1198 Gas pipe Liquid pipe 1 2 1 2 12 7 15 88 6 35 9 52 9 52 15 88 L 2 9 2 x 2 2 9 Control box Air filter Suspension bolt hole 4 14 x 30 Slot Terminal block Power source Refrigerant piping brazing connection liquid 2 Refrigerant piping brazing connection gas ...

Страница 13: ...kout hole 27 Transmission wiring Knockout hole 27 Power source wiring G 1200 F 1000 E 11 D 1060 C 1100 B 1152 PEFY P15 20 25 32VMS1L E PEFY P40VMS1L E PEFY P63VMS1L E Model A 1198 Gas pipe Liquid pipe 1 2 1 2 12 7 15 88 6 35 9 52 9 52 15 88 L 2 9 2 x 2 2 9 2 x E 2 9 Control box Air filter Suspension bolt hole 4 14 x 30 Slot Terminal block Power source Refrigerant piping brazing connection liquid 2...

Страница 14: ...SW14 CN43 CN52 CN60 CN32 CN3A CN81 CN51 CN41 CN44 CN4F CN4F CNMF L1 TB2 L N CNP CND DSA ZNR02 FUSE ZNR01 CN20 CN82 SWA SWB I B Drainpump LEV Fan motor FOR PEFY P VMS1 E FOR PEFY P VMS1L E FOR PEFY P VMS1 E t t U DC310 340V Rectify circuit POWER SUPPLY 220 230 240V 50 60Hz TO NEXT INDOOR UNIT FUSE 16A PULL BOX BREAKER 16A X1 U t Green Blue Red CN42 CN2M CN90 CN27 SW3 SWE OFF ON SW4 SW2 LED2 LED1 Re...

Страница 15: ...e address TB15 Transmission terminal block CN90 Connector Wireless SW12 A B Switch For setting the 10 s digit in the address FUSE Fuse AC 250V 6 3A FS Float switch SW14 A B Switch connection No set ting ZNR01 02 Varistor TH21 Thermistor inlet air SWA A B Switch static pressure set ting DSA Arrester TH22 Thermistor liquid pipe SWB A B Switch function setting X1 Aux relay TH23 Thermistor gas pipe SW...

Страница 16: ...Brazed connections E Strainer 100 mesh F Linear expansion valve G Liquid pipe thermistor TH22 H Heat exchanger I Room temperature thermistor TH21 H I F E E C G A D B Capacity PEFY P15 20 25 32 40VMS1 L E PEFY P50VMS1 L E PEFY P63VMS1 L E Gas pipe ø12 7 1 2 R410A ø12 7 1 2 R22 ø15 88 5 8 ø15 88 5 8 Liquid pipe ø6 35 1 4 R410A ø6 35 1 4 R22 ø9 52 3 8 ø9 52 3 8 ...

Страница 17: ...nd measure the resistance between terminals with a tester Refer to the next page for details Normal Abnormal 4 3k 9 6k Open or short Refer to the thermistor characteristic graph below Low temperature thermistor Room temperature thermistor TH21 Liquid pipe thermistor TH22 Gas pipe thermistor TH23 Drain sensor DS Thermistor R0 15 k 3 Multiplier of B 3480 k 2 0 C 15k 10 C 9 6k 20 C 6 3k 25 C 5 2k 30 ...

Страница 18: ...hanges in the following order When the valve closes 1 2 3 4 1 When the valve opens 4 3 2 1 4 When the valve position remains the same all output signals will be OFF If any output signal is missing or if the signal remains ON the motor vibrates and makes clicking noise A Brown F White B Red G Control board C Blue H Connection CN60 D Orange I Drive circuit E Yellow J Linear expansion valve Phase num...

Страница 19: ...ria Remedy Circuit failure on the microcomputer Disconnect the connectors on the control board and connect LEDs to test the cir cuit as shown below Pulse signals are output for 10 seconds when the main power is turned on If there are LEDs that do not light up at all or remain lit after the pulses are turned off there is a problem with the driving circuit Replace the indoor control board if driv in...

Страница 20: ...ormally the LEV is fully closed while the unit is in the FAN mode If the valve is leaky liquid pipe thermistor reading will be lower than normal If it is significantly lower than the inlet temperature on the remote controller valve closure failure is suspected If the amount of leakage is insignificant replacement of LEV is unnec essary unless it is causing a problem Misconnections of connectors or...

Страница 21: ...sition thermistor signal Get the motor to make a full rotation or more and measure the voltage at the test point VFG same with the voltage between fan connector 7 and 4 Is the fan motor connector CNMF fully inserted Is the voltage within the normal range Replace the motor Are 0VDC and 15VDC displayed alternately Check the power supply Measure the voltage at the indoor control board 310 340VDC same...

Страница 22: ...er is used On site address setting is required for the indoor units to run 2 Address settings vary in different systems Refer to the section on address setting in the outdoor unit installation manual 3 Address is set with a combination of SW12 10 s digit and SW11 1 s digit To set the address to 3 set SW12 to 0 and SW11 to 3 To set the address to 25 set SW 12 to 2 and SW 11 to 5 A Indoor unit contr...

Страница 23: ...ndard HA terminal A CN44 Thermistor liquid gas tempera ture CN4F Float thermistor CN20 Thermistor Inlet temperature CN3C Indoor outdoor transmission 0 24VDC CNMF Fan motor output 1 4 310 340 VDC 5 4 15 VDC 6 4 0 6 5 VDC 7 4 Stop 0 or 15 VDC Run 7 5 VDC 0 15 pulse CNP Drain up mechanism output 200VAC 1 VFG Voltage on the side of PC941 and C25 Same with the voltage between 7 and 4 of CNMF VCC Voltag...

Страница 24: ...etection Available Unavailable 3 Filter life 2500 hr 100 hr 4 Outdoor air intake Enabled Disabled 5 Remote display Thermo ON signal Fan output 6 Humidifier operation During heating mode During heating operation 7 Fan speed Low Very low 8 Fan speed at heating Thermo OFF Preset fan speed Follows the setting of SW1 7 9 Auto restart after power failure Enabled Disabled 10 Power start stop Enabled Disa...

Страница 25: ...sure 1 SWA SWC 1 Address board Note Changes that are made to the dipswitches SWA and SWC immediately become effective regardless of the unit s operation status RUN STOP or the remote controller status ON OFF 5 1 s and 10 s digits 1 SW11 SW12 Rotary switch The use of a network remote controller PAR F27MEA requires address setting 1 Address board Address settings must be made while the unit is stopp...

Страница 26: ...ng 1 SW14 Rotary switch This switch is used when the unit connected to an R2 series of outdoor unit 1 Address board Note Changes to the dipswitches SW11 SW12 SW14 and SW15 must be made while the unit is stopped and the remote controller is OFF Factory setting ...

Страница 27: ... 22 HWE07120 GB VIII Disassembly Procedure 1 Disassembly Procedure 1 Control box Exercise caution when removing heavy parts 1 Removing the control box cover 1 Remove the two fixing screws on the cover A to remove it Fig 1 Fig 2 A ...

Страница 28: ...en removing heavy parts 1 Remove the control box cover according to the procedure in section 1 2 Remove the thermistor 1 Remove the two fixing screws on the metal base B to re move it Fig 3 2 Pull out the thermistor holder C and thermistor D on the control box Fig 4 B C D P63 model only ...

Страница 29: ...filter in the direction of the arrow 1 2 Remove the fixing screws on the bottom plate D E to remove it Fig 5 2 Removing the drainpan 1 Pull out the drain pan in the direction of the arrow 1 Fig 6 Note Drain the water out of the drain pan before removing it To avoid dew condensation use insulated screws in the places marked with circles in Figure 7 Fig 7 a Insulation material D a a a a E a E ...

Страница 30: ...e drain pan according to the procedure in sec tion 1 2 Removing the Heat exchanger cover 1 Remove the four fixing screws on the heat exchanger cov er F to remove it Fig 8 3 Removing the thermistor 1 Remove the thermistor G from the thermistor holder H on the copper tube Thermistor size Liquid pipe ø8mm Gas pipe ø6mm Fig 9 HEX F G H ...

Страница 31: ...ing metal 1 Remove the two fixing screws on the punching metal K to remove it Fig 11 3 Removing the fan casing bottom half 1 Squeeze the tabs on the fan casing to remove it in the di rection of arrow 2 4 Removing the motor cable 1 Remove the motor cable threw the rubber bush 5 Removing the fan motor and the Sirocco fan 1 Remove the two motor fixing screws to remove the motor and the Sirocco fan in...

Страница 32: ... Bearing P40 P50 P63 models only Exercise caution when removing heavy parts 1 Removeing the bearing 1 Remove the two fixing screws on the bearing cover M to remove it Fig 14 2 Remove the two bearing retainer screws to remove the bearing Fig 15 M ...

Страница 33: ...ccording to the procedure in section 1 2 Remove the heat exchanger cover according to the proce dure in section 4 2 3 Removing the cover 1 Remove the two fixing screws on the cover T to remove it Fig 16 T Pipe support plate 4 Removing the Heat exchanger 1 Remove the fixing screws on the heat exchanger S to re move it Fig 17 T S ...

Страница 34: ...Aug 2007 HWE07120 Printed in Japan New publication effective Aug 2007 Specifications subject to change without notice ...

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