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[

VIII

Disassembly Procedure ]

- 16 -

HWE12100

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 fixing screws (two) on the cover (A) to re-

move it.

(A)

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Содержание CITY MULTI PFFY-WP20VLRMM-E

Страница 1: ...Air Conditioners TECHNICAL SERVICE MANUAL Models PFFY WP20VLRMM E PFFY WP25VLRMM E PFFY WP32VLRMM E PFFY WP40VLRMM E PFFY WP50VLRMM E 2013 ...

Страница 2: ... result in explosion or fire during use during repair or at the time of disposal of the unit It may also be in violation of applicable laws MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for malfunctions or accidents resulting from the use of the wrong type of refrigerant Ask your dealer or a qualified technician to install the unit Improper installation by the user may result in water...

Страница 3: ...efrigerant cycle and may cause the pipes to burst or explode Consult your dealer or a qualified technician when moving or reinstalling the unit Improper installation may result in water leakage electric shock or fire After completing the service work check for a refrigerant leak If leaked refrigerant is exposed to a heat source such as a fan heater stove or electric grill toxic gases will be gener...

Страница 4: ...rant system diagram 8 VII Troubleshooting 1 Troubleshooting 9 1 Check methods 9 2 DC fan motor fan motor indoor control board 10 3 Address switch setting 11 4 Voltage test points on the control board 12 5 Dipswitch setting Factory setting 13 6 Instructions for debris removal operation 15 7 Instructions for the air vent operation 15 VIII Disassembly Procedure 1 Disassembly Procedure 16 1 Control bo...

Страница 5: ...HWE12100 GB ...

Страница 6: ...ures 1 HWE12100 GB I Features 1 Features Model Cooling capacity Heating capacity kW PFFY WP20VLRMM E 2 2 2 5 PFFY WP25VLRMM E 2 8 3 2 PFFY WP32VLRMM E 3 6 4 0 PFFY WP40VLRMM E 4 5 5 0 PFFY WP50VLRMM E 5 6 6 3 ...

Страница 7: ... II Components and Functions 2 HWE12100 GB II Components and Functions 1 Components and Functions 1 Indoor Main Unit A Air A A ...

Страница 8: ...4 0 Power consumption 2 Cooling kW 0 04 0 04 0 05 Heating kW 0 04 0 04 0 05 Current consump tion 2 Cooling A 0 35 0 35 0 47 Heating A 0 35 0 35 0 47 External finish Munsel No Galvanized steel plate Dimensions Height mm 639 Width mm 886 1006 Depth mm 220 Net weight kg 22 25 Heat exchanger Cross fin Aluminium fin and cupper tube Fan Type Sirocco fan x 1 Sirocco fan x 2 Airflow rate Low Mid High m3 m...

Страница 9: ...0 6 3 Power consumption 2 Cooling kW 0 05 0 07 Heating kW 0 05 0 07 Current consump tion 2 Cooling A 0 47 0 65 Heating A 0 47 0 65 External finish Munsel No Galvanized steel plate Dimensions Height mm 639 Width mm 1246 Depth mm 220 Net weight kg 29 Heat exchanger Cross fin Aluminium fin and cupper tube Fan Type Sirocco fan x 2 Airflow rate Low Mid High m3 min 8 0 10 0 11 5 10 5 13 0 15 0 External ...

Страница 10: ...put 96W SIC 70CW D896 3 8 pole Output 96W SIC 70CW D8114 4 Power supply terminal block TB2 L N 330V 30A Transmission terminal block TB5 TB15 1 2 M1 M2 S 250V 20A Component Sym bol PFFY WP40VLRMM E PFFY WP50VLRMM 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 Water inlet pipe thermistor TH22 Resistance 0 C 15k 10 C 9 6k 20 C 6 3k 25 C 5 4k 30...

Страница 11: ...djusting screw 4 pcs attached Air filter Drain pan Sub drain pan Drain hose accessory O D 27mm End O D 20mm Wall mounting hole pitch Wall mounting hole Air outlet Air inlet Water pipe To HBC unit R c 3 4 screw Rc3 4 screw From HBC unit To HBC unit PFFY WP40VLRMM E PFFY WP32VLRMM E PFFY WP50VLRMM E Model Dimensions PFFY WP20VLRMM E PFFY WP25VLRMM E 400 60 63 410 G 108 48 61 445 106 96 75 77 35 A 17...

Страница 12: ...board At applying main power source Lighting Switch 1s digit address set SW2 SW3 SW11 SW12 SWA SW14 SWC SW1 LED2 SW4 SWE TB2 TB5 Transmission terminal block Power source terminal block SYMBOL EXPLANATION NAME SW5 SW7 CN27 CN41 CN51 CN52 CN90 CN100 Connector HA terminal A Connector Centrally control Connector Remote indication Connector Wireless Connector IT terminal Connector Damper CN32 Connector...

Страница 13: ...diagram A Water outlet thermistor TH23 B Water outlet C Water inlet D Screw connections E Water inlet thermistor TH22 F Heat exchanger G Manual air purge valve H Room temperature thermistor TH21 F H C A E D B G Capacity PFFY WP20 25 32 40 50VLRMM E Water outlet Rc3 4 screw Water inlet Rc3 4 screw ...

Страница 14: ... C 1 Thermistor characteristic graph 2 Fan motor CNMF Refer to the page on DC fan motor fan motor indoor control board Normal Abnormal 4 3k 9 6k Open or short Refer to the thermistor characteristic graph below Low temperature thermistor Room temperature thermistor TH21 Water inlet thermistor TH22 Water outlet thermistor TH23 Thermistor R0 15 k 3 Multiplier of B 3480 k 2 0 C 15k 10 C 9 6k 20 C 6 3k...

Страница 15: ...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 16: ...ller 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 con...

Страница 17: ...zed control CN41 JAMA standard HA terminal A CN44 Thermistor water inlet water out let temperature 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 1 VFG Voltage on the side of PC941 and C25 Same with the voltage between 7 and 4 of CNMF VCC Voltage between the C25 pi...

Страница 18: ...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 19: ... to a stop remote controller off There is no need to power cycle the unit 4 External static pressure 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 Factory setting Factory setting A Option B Standard PFFY WP20VLRMM E PFFY WP25VLRMM E PFFY WP32V...

Страница 20: ...opped and the remote controller is OFF 6 Instructions for debris removal operation Details are described in section 9 Instructions for debris removal operation under chapter IX Troubleshooting in the Service Handbook for the HBC Refer to the figure below for the position of the air vent valve on the indoor unit 7 Instructions for the air vent operation Details are described in section 9 Instructio...

Страница 21: ...edure 16 HWE12100 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 fixing screws two on the cover A to re move it A ...

Страница 22: ...Disassembly Procedure 17 HWE12100 GB 2 Thermistor Intake air Exercise caution when removing heavy parts 1 Removing the thermistor 1 Pull out the thermistor holder B and thermistor C under the control box B C ...

Страница 23: ...inpan Exercise caution when removing heavy parts 1 Removing the casing ass y 1 Remove the fixing screws nine of the plate D and remove the plate 2 Remove the drainpan cover 3 Remove the drainpan 1 Remove the fixing screw of the both side frame D E F ...

Страница 24: ... VIII Disassembly Procedure 19 HWE12100 GB 2 Remove the magnet plate G H I of the both frame re move the tube J 3 Slide the drainpan in the direction of the arrow 1 G H J I ...

Страница 25: ...or Water inlet Water outlet Exercise caution when removing heavy parts 1 Removing the thermistor 1 Remove the fixing screws seven remove the cover K and L and drainpan cover E 2 Remove the thermistor water inlet M and thermis tor water outlet N K L E M N ...

Страница 26: ...rection of the arrow 2 4 Removing the fan motor 1 Remove the fixing screws three a on both sides of the fan casing O and turn the fan casing O in the upward di rection arrow 3 2 Remove the fan motor shaft fixing screw and remove the fan casing O and sirocco fan 3 Remove the fixing screws two b of the motor fix tures two and remove the motor Notice In case of the Model PFFY P32 63VLRMM E stick out ...

Страница 27: ...r diffuser ass y 1 Remove the fixing screws eight of the air diffuser ass y P and remove it 3 Remove the cover1 2 with procedure 4 1 4 Removing the Heat exchanger 1 Remove the fixing screws four and remove the heat ex changer support 2 Remove the fixing screws two and remove the heat ex changer cover Q 3 Remove the heat exchanger moving from side to side P Q ...

Страница 28: ...May 2013 HWE12100 Printed in Japan New publication effective May 2013 Specifications subject to change without notice ...

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