Sharp AF-R80CX Service Manual Download Page 26

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AF-R80CX

TROUBLESHOOTING GUIDE

No cooling
(Operation not at all.)

Measure the power supply
voltage at receptacle.

Is it sufficient current capacity
of power equipment ?
Is it small wiring for power
supply equipment ?

Is plug disconnecting ?

insufficient

sufficient

connecting

open

imperfect contact

disconnecting

OK(12V, DC)

OK(5V, DC)

YES

not open.

Check the power supply cord.

Check the fuse on PWB ass'y.

Measure the secondary
voltage of transformer.

Measure the voltage between
-12V and GND on PWB ass'y.

Measure the voltage between
-5V and GND on PWB ass'y.

If unit operate, dose the house
fuse or the circuit breaker open ?

Checking complete.

120V(over 100V)

NG(under 10M

Ω

)

OK(over 10M

Ω

)

NG(under 10M

Ω

)

OK(over 10M

Ω

)

can operate

can't operate

under 100V

open

The house fuse or circuit
breaker open ?

Is it proper current capacity of the
house fuse or the circuit breaker ?

Ask the power supply
company for check.

Change the house fuse and
the circuit breaker turn on.

Ask the power supply
company for check.

Connect plug properly.

Change the power supply cord.

Change the fuse on PWB ass'y.

Change PWB ass'y.

Measure the insulation
resistance of compressor.

Measure the insulation
resistance of fan motor.

Can the Compressor operate ?

Change the compressor.

Change the fan motor.

Change the compressor.

over 14V(AC)

under 14V(AC)

Summary of Contents for AF-R80CX

Page 1: ...OOLING LOAD ESTIMATE FORM 31 RUNNING CONDITION 33 PACKING AND ACCESSORIES 34 REPLACEMENT PARTS LIST 35 TABLE OF CONTENTS AIR CONDITIONER MODEL In the interests of user safety Required by safety regulations in some countries the set should be restored to its original condition and only parts identical to those specified should be used AF R80CX SHARP CORPORATION This document has been published to b...

Page 2: ...Hair pin Control O D x I D x Length x Q ty mm 2 7 x 1 2 x 450 x 1 Capillary tube Refrigerant volume R 22 OZ 15 9 Factory change NET DIMENSIONS Width Height Depth inches mm 19 11 16 500 x 14 9 16 370 x 17 3 32 434 Net Weight lbs 53 GROSS DIMENSIONS Width Height Depth inches mm 22 27 32 580 x 18 5 16 465 x 19 31 32 507 Gross Weight lbs 60 FAN SYSTEM Indoor side Evaporator Centrifugal fan Outdoor sid...

Page 3: ...TOR CAPACITOR 250V 6µF FAN MOTOR RUNNING CAPACITOR 250V 35µF THERMAL PROTECTOR BL BL BL BK BK BK GY RE OR WH COMPRESSOR MOTOR BK BL RE WH GR GY OR BLACK BLUE RED WHITE GREEN GRAY ORANGE POWER SUPPLY CORD 115V 60Hz 3A 125V IN GR MRY CONTROL BOARD UNIT NR C1 CN1 BCN2 BCN3 TR OUT RIBBED NON RIBBED BK BK C R RE WH GY BCN1 CN2 CN3 WH OR RE GY S FU1 1 2 3 6 5 4 WIRE COLOR YELLOW TH1 RY3 RY2 RY1 CNR3 CNR...

Page 4: ...4 AF R80CX EXTERNAL DIMENSIONS 19 11 16 35 7 16 full opened 23 5 8 full closed 17 3 32 13 5 8 1 15 32 15 11 16 4 15 32 Fig E 1 ...

Page 5: ... the right to remove 0Filter Handle qPower Cord 1Receiver window for remote control signal 2Display 3SELECTOR indicator 4SELECTOR pad 5TEMPERATURE setting pad Lower temp Raise temp 6TIMER ON OFF pad 7TIMER indicator 8ENERGY SAVER pad 9ENERGY SAVER indicator 0POWER ON OFF pad qPOWER indicator POWER ON OFF F hr SELECTOR TIMER ON OFF ENERGY SAVER COOL FAN TEMP 1 2 10 3 4 5 6 7 9 8 11 3 4 5 6 7 8 9 10...

Page 6: ...t 74 F and HIGH COOL This will show in the display when the power is first turned on POWER indicator and SELECTOR indicator COOL will light Toturnofftheunit touchPOWER ON OFF pad again POWER indicator and SELECTOR indicator will go off Touch the TEMPERATURE setting pad to adjust the temperature setting Temperature can be set within the range of 64 F to 86 F Display will change as you touch the pad...

Page 7: ...tion mode will be memorized and the selector indicator and display will light when the unit is turned on In fan only operation the temperature display will go off When the SELECTOR is changed to fan only operation from cooling operation it will take 5 seconds for the compressor to stop COOL COOL COOL FAN FAN FAN MODE Cooling operation with high fan speed Cooling operation with medium fan speed Coo...

Page 8: ...ls cooling and the fan automatically stops when the compressor is not operating Fan will stop 30 seconds after the compressor stops After the fan stops the fan is programmed to rotate for approx 2 minutes to detect room temperature This will occur within a 20 min time span 2 Tocancel touchENERGYSAVER pad again ENERGY SAVER indicator will go off NOTE ENERGY SAVER cannot be set during fan only HIGH ...

Page 9: ... automatically according to your setting NOTES FOR TIMER SETTING AND OPERATION After setting the TIMER change the temperature and fan speed settings as shown on pages 11 and 12 When the temperature is set in the timer mode the temperature will show in the display for 5 seconds and then return to the time display The last setting used will be memorized and will appear on the display the next time y...

Page 10: ...l change as follows The timer will be set 5 seconds after the TIMER ON OFF pad is touched for the last time TIMER indicator will light The time display will count down the remaining time The unit will stop when the set time expires All indicators and displays will go out If you wish to stop the operation 10 hours later set the delay time as shown above TO CANCEL THE TIMER SETTING Touch the TIMER O...

Page 11: ...t when not in use Front Cabinet Remote control hook Rear Cabinet HOW TO USE THE REMOTE CONTROL Point the remote control towards the unit s re ceiver window and press the desired button A beep will sound when the unit receives the signal Make sure no objects such as curtains block the receiver window The remote control operates from up to 20 feet 6 meters away The beep will also sound when each pad...

Page 12: ... unit s control panel See page 9 TEMP TEMP Raise temp setting 1 F at a time Lower temp setting 1 F at a time OPERATING WITH THE REMOTE CONTROL TRANSMITTER TEMPERATURE setting button POWER ON OFF button Push to start or stop the operation SELECTOR button Push to change fan speed and operation mode Fan speed and operation mode selec tions are shown to the right SET TIMER OFF button Push to set delay...

Page 13: ... 1 Left closure assembly 1 Window sash foam seal 1 1 Screw driver medium size Phillips 2 Tape measure or ruler 3 Knife or scissors 6 7 2 2 SUGGESTED TOOLS Window sash foam seal 1 adhesive type Bottom gasket 1 Screws L 1 25 4mm 7 Screws L 13 32 10mm 6 Base pan angle 2 Remote control 1 Battery 2 Remote control hook 1 ...

Page 14: ... between the bottom channel and the sill fill the gap with a thin board or other hard filler Closure assembly Bottom gasket Cut the window sash foam seal adhesive type to the proper length and attach it to the underside of the window sash 1 WARNING Make sure the unit is turned off and unplugged before working Sash Jamb Sill Window sash foam seal adhesive type WARNING unit sill incline backwards ap...

Page 15: ...foam seal to the proper length and seal the opening be tween the top of the inside window sash and the outside window sash 6 Top angle Window sash foam seal Secure the base pan angle to the sill by using the hole of the front side on the angle with one screw L 1 25 4mm Loosen screws on both sides of the cabinet then hang the base pan angle on and secure the screws again Insert the closure assembli...

Page 16: ...d pull it toward you 5 Remove the control panel 6 Take off the fan motor connector 4 Remove the thermistor holder 7 Unscrew the 5 screws 3 screws are holding the control box at the top and right side 1 screw is holding the power supply cord 1 screw each screw on the evaporator 3 Unscrew the 8 screws holding the cabinet 2 screws are on each side 4 screws are on back side 2 screws are on top side An...

Page 17: ...k side 10 Unscrew the 4 screws holding the condenser 1 screw is on right side 1 screw is on left side 2 screws are on back side And remove the condenser from the unit 14 Lift up and take out the bulkhead 15 Unscrew the 1 screw holding the orifice 16 Unscrew the 1 screw holding the top duct ass y 11 Unfasten the nut holding the propeller fan by rotating it counter clockwise And remove the propeller...

Page 18: ...R COMPONENTS OR WIRING 4 Unscrew the 1 power supply cord grounding screw Unscrew the earth screw Unscrew the 1 screw holding the capacitor clamp and the fan motor capacitor 2 Unscrew the 3 screws holding the printed wiring board 5 Detach each connector by using long noise pliers 6 Unscrews the 2 screws holding the transformer and remove the control board with unhooking the 2 spacers 3 Cut the wire...

Page 19: ...ely 3 8 depending on the swaging tool used Figure 1 CLEANING TUBING To make a sound leak tight joint the brazing alloy when raised to brazing temperature must wet and flow freely over the entire surface of the tubing in the joint area To assure this the tubing surfaces must be free of all dirt grease oil and oxides otherwise the alloy will not wet and flow properly over any surface with these elem...

Page 20: ...d vacuum from the system The use of a good vacuum pump is very important so that the boiling point of any water in the system will be lowered to a point where it will vaporize and be expelled from the system in the form of vapour Type of evacuation methods 1 Piston Type Compressor No good System parts must be above 110 F 2 Rotary Vacuum Pump Disavantages Low CFMC 4 oil gets dirty 3 Single State Va...

Page 21: ...ction of the system components and solder joints and if oil is found at any given location it generally is a sign that a leak exists at that point due to the fact that flame does carry oil with it travels through the system Soap Bubbles Liquid detergents can sometimes assist in finding small leaks by brushing detergent on the suspect area and watching for bubbles Before applying detergent be sure ...

Page 22: ... to 9 5 hours you can set by 0 5 hours increments and from 10 to 12 hours by 1 hour increment If you touch button POWER ON OFF during OFF TIMER operation then the unit turns off and OFF TIMER operation is cancelled 4 2 ON TIMER operation Set the delay timer when unit is not operating The unit will turn on automatically according to your setting Timer duration can be set by 0 5 hours to maximum 12 ...

Page 23: ...POWER ON OFF and and supply the power the system will go to the test mode In this mode the output operation is switched by pushing buttons Normal outputs are shown in Table Y 2 Table Y 2 For selfdiagnosis check mode No PUSH KEY SWITCH PLUG IN the power supply cord while pushing power ON OFF key and down key BEPP SOUND LED1 8 8 ON OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OF...

Page 24: ... 7 1 3 5 RUNNING CAPACITOR 250V 35µF GRAY R S C COMPRESSOR MOTOR OVERLOARD PROTECTOR MRY 3A 125V FU1 C1 D1 D3 D4 D2 C2 C3 C4 C5 C6 C7 C8 0V Q5 R2 15K 250V 0 1µF NR 271 TR D1 D4 ZD1 HZ4A 2 25V 0 1µ 25V 47µ 25V 0 1µ 25V 0 1µ 25V 1000µ 25V 0 1µ 10V 100µ KRA101M DTA143ES COM 79L05 OUT IN 5V 12V R1 22K Q6 KRC101M DTC143ES R3 10K C10 C9 16V 0 01µ R4 20k 5V Q7 KRA106M DTA143ZS Q1 KRA105M DTA123JS Q7 R8 2...

Page 25: ...25 AF R80CX Printed Wiring Board QPWBFB443JBZZ QPWBFB443JBZZ DPWBFA246JBKZ DPWBFA246JBKZ JP35 JP28 JP29 JP30 1 9 10 18 C2 ...

Page 26: ...WB ass y If unit operate dose the house fuse or the circuit breaker open Checking complete 120V over 100V NG under 10MΩ OK over 10MΩ NG under 10MΩ OK over 10MΩ can operate can t operate under 100V open The house fuse or circuit breaker open Is it proper current capacity of the house fuse or the circuit breaker Ask the power supply company for check Change the house fuse and the circuit breaker tur...

Page 27: ...rrent in compressor circuit Is it sufficient current capacity of power equipment Is it small wiring for power supply equipment Measure the power supply voltage at receptacle Check the overload relay Check the overload relay Is the connector disconnecting Check the compressor relay MRY on PWB Check the thermister Measure the resistance of its coil Turn on the power supplty as operating the compress...

Page 28: ...urn off the power supply Measure the contact resistance short open OK NG Change the thermister Change PWB ass y The compressor doesn t turn off Check the thermister connector Check the thermister resistance Check the compressor relay OK NG disconnecting OK OK NG Checking complete Change the fan motor capacitor Change the fan motor Is the fan touched to another parts Change the fan motor Change fan...

Page 29: ...charge the refrigerant The compressor is defective Change the compressor The capillary tube restrict and change the capillary tube Measure the emperature difference between discharge tube and suction tube Is frost sticking to capillary tube Or is indoor heat exchanger no cold Check the air filter Is there high heat source or any object restricting heat radiation near the unit Check doors and windo...

Page 30: ...ure the resistance of fan motor coil Change the fan motor Connect properly Change the fan Tighten up Check rotating direction of centrifugal fan to clockwise Is the fan deformed or broken Is loosened screw and nut fixing fan Checking complete Tighten up Repair with adjusting shape of pipes Repair mounting or change compressor cushion Change compressor Is each screws loosened Is pipe touching to an...

Page 31: ...es or less in thickness is considered Light Construction An insulated frame wall or a masonry wall over 8 inches in thickness is considered Heavy Construction 3b Multiply the total length linear feet of all inside walls between the space to be conditioned and any unconditioned spaces by the given factor Do not include inside walls which separate other air conditioned rooms 4 Multiply the total squ...

Page 32: ... 14 7 8 3 3 3 5 600 300 Light Construction Heavy Construction x x x x x x x x x x Item 9 x Factor from Map 3 WALLS Based on linear feet of wall 4 ROOF OR CEILING Use one only 5 FLOOR Disregard if floor is directly on ground or over basement 6 NUMBER OF PEOPLE 7 LIGHTS AND ELECTRICAL EQUIPMENT IN USE 8 DOORS AND ARCHES CONTINUOUSLY OPENED TO UNCONDITIONED SPACE Linear feet of width 9 SUB TOTAL 10 T...

Page 33: ...ve or below this rating the data may miss the range of the performance curve 3 Outlet air temp is influenced by the method of measurement Measurement examples are shown 4 Use power input data when checking the Running Condition RUNNING CONDITION FOR PERFORMANCE CURVE Outside air temp C F Outlet air temp C F 25 30 35 77 86 95 104 40 10 20 30 50 68 86 5 6 7 600 500 700 Line current Amp Power input W...

Page 34: ...Window sash foam seal Window sash seal Bottom gasket Screws Base pan angle Right closure assembly Left closure assembly 3 2 Packing case SPAKCA935JBEZ Front side Front side mark 6 5 6 5 Bottom pad assembly CPADBA052JBKZ Power supply cord Protect SSAKHA245YDE0 1 Enegry card TLAB C193JBEZ Detail is assembling Energy card ...

Page 35: ...er B 3 AC 1 30 MSPR A148JBEZ Louver spring 2 AF 1 31 LANG A213JBTA Top inst angle 1 AF 1 32 LPLTMA087JBP0 Condenser cover 1 AB 1 33 GWAKPA151JBFA Front panel 1 AV 1 34 PSEL B845JBE0 Insulator 1 AB 1 35 TLABBA110JBRA Sharp badge 1 AB 1 36 TLABKA564JBE0 Number card 1 AC 1 37 TLAB C193JBEZ Energy card 1 AC 1 38 TSPC E012JBRZ Name badge 1 AC 1 39 LHLD A315JBF0 Thermistor holder 1 AE 1 40 PFPFPB745JBE0...

Page 36: ...te control 1 AT 4 14 LHLD A389JBFB Controller holder 1 AC 4 15 PPLTPA016JBFB Closure 2 AK 4 16 UBATUA027JBE0 Battery pack 1 AE 4 17 CFZK B922JBKZ Closure ass y 1 BB 4 18 LANGAA011JBFE Left closure frame 1 AH 4 19 LANGAA012JBFE Right closure frame 1 AH PACKING PARTS 5 1 DPADBA006JBFZ Top pad ass y 1 AK 5 2 CPADBA052JBKZ Bottom pad ass y 1 AP 5 3 SPAKCA935JBEZ Packing case 1 AR 5 4 SSAKHA245YDE0 Pro...

Page 37: ...0 1 26 1 5 1 13 1 31 1 16 1 20 1 1 1 10 1 23 1 41 1 11 6 18 1 40 6 18 6 4 6 15 6 4 6 15 6 9 6 12 6 17 6 14 6 14 6 11 1 9 6 7 1 34 6 7 4 4 4 3 4 15 4 18 4 19 4 17 4 2 4 7 4 5 6 17 1 22 4 8 4 9 4 1 4 6 4 16 4 12 4 11 4 10 4 14 4 13 1 37 1 21 1 12 1 29 1 28 1 27 1 6 1 25 1 2 3 4 5 1 2 3 4 5 6 6 A B C D E F G H A B C D E F G H CABINET PARTS ...

Page 38: ... AF R80CX 1 2 3 4 5 1 2 3 4 5 6 6 A B C D E F G H A B C D E F G H CONTROL BOX PARTS 1 8 2 18 1 7 2 4 2 1 2 6 2 5 2 12 6 4 2 7 6 5 2 9 6 16 2 3 6 5 2 10 2 17 2 13 2 2 6 5 6 3 6 6 2 15 6 16 6 4 2 4 2 14 2 8 ...

Page 39: ... R80CX 3 6 3 12 3 11 3 13 2 16 2 11 3 9 3 1 1 18 1 19 3 7 3 8 3 4 3 10 3 3 6 17 3 5 6 10 6 1 3 2 6 10 6 17 1 10 2 10 6 5 6 17 6 7 1 32 1 39 1 2 3 4 5 1 2 3 4 5 6 6 A B C D E F G H A B C D E F G H CYCLE PARTS ...

Page 40: ... BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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