Sharp AF-R100CX Service Manual Download Page 21 | Manualshive

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21

AF-R100CX
AF-R120CX

No cooling
(The compressor operate but
the fan motor doesn't operate)

Check BNC1 on PWB
ass'y

OK

OK

OK

NG

NG

crack at the solder part

disconnecting the connector

locked

no touch

touch

Check the fan motor
capacitor.

Measure the resistance
of compressor coil.

Is the fan locked ?

Checking complete

Connect the connector
properly.

Turn 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 or another
parts, or adjust.

Repair with over solder.

Connect the connector
properly.

Checking method for the compressor relay.
(MRY and PWB)

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Summary of Contents for AF-R100CX

Page 1: ...TROL SYSTEM 15 TROUBLESHOOTING GUIDE 19 COOLING LOAD ESTIMATE FORM 24 RUNNING CONDITION 26 PACKING AND ACCESSORIES 27 REPLACEMENT PARTS LIST 28 TABLE OF CONTENTS AF R100CX AF R120CX MODELS SHARP CORPORATION This document has been published to be used for after sales service only The contents are subject to change without notice In the interest of user safety the air conditioner should be restored ...

Page 2: ...ume R 22 OZ 18 3 Factory charged 19 4 Factory charged NET DIMENSIONS Width Height Depth inches mm 22 1 16 560 x 14 3 4 375 x 24 5 16 617 Net Weight lbs 83 85 GROSS DIMENSIONS Width Height Depth inches mm 25 25 32 655 x 18 29 32 480 x 27 7 8 708 Gross Weight lbs 94 96 FAN SYSTEM Indoor side Evaporator Centrifugal fan Outdoor side Condenser Propeller fan Air flow rate indoor side CFM High Med Low 30...

Page 3: ...CAPACITOR AF R100CX AF R120CX 250V 60µF 370V 50µF THERMAL PROTECTOR BL BL BL BL BK 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 BOAD UNIT NR C1 CN1 CN2 CN3 TR OUT RIBBED NON RIBBED BK BK C R RE WH GY BCN1 BCN2 BCN3 WH OR RE GY S FU1 1 2 3 6 5 4 WIRE COLOR YELLOW TH1 RY3 RY2 RY1 CNR3 CNR2 CNR1...

Page 4: ...ntrol signal Display SELECTOR pad TIMER ON OFF pad TIMER indicator UNIT CONTROL PANEL TEMPERATURE setting pad Lower temp Raise temp ENERGY SAVER pad ENERGY SAVER indicator POWER ON OFF pad POWER indicator 6 5 4 3 2 1 7 11 10 9 8 Front panel Air inlet Indoor side Louvers Air outlet Indoor side Exhaust lever Control panel Cabinet Air outlet Outdoor side Air inlet Outdoor side Filter Pull the filter ...

Page 5: ... you touch During operation Touch SELECTOR pad and select the desired fan speed HIGH COOL MED COOL MED COOL LOW COOL LOW COOL FAN ONLY Procedure Pad Display Indicator LOW COOL MED COOL HIGH COOL NOTES ON FAN SPEED Fan and cooling at maximum performance Unit is preset to HIGH COOL when first turned on after unit is plugged in Fan operates at medium speed cooling power at medium Cooling for sleeping...

Page 6: ...HAUST If air in your room is stale set the EXHAUST lever to the OPEN position This will exhaust stale air to the outside The EXHAUST lever should normally be kept in the CLOSED position during cooling for maximum efficiency During cooling operation 1 Touch ENERGY SAVER pad 2 To cancel touch ENERGY SAVER pad again Procedure Pad Display Indicator ENERGY SAVER indicator will light ENERGY SAVER indica...

Page 7: ... to damage the exhaust lever when removing the front panel 3 1 Unscrew the 6 stopper screws of the cabinet Keep the 4 screws from the top and front as they will be used later 3 2 Slide the chassis out from the cabinet by pulling on the hand hold located at the bottom center of the chassis bottom gasket window sash foam seal adhesive type Front panel Exhaust Lever Front panel Horizontal Louver Clos...

Page 8: ...lace the 4 screws removed in step 3 to the top and side of the cabinet Closure assembly Left Closure assembly Left 1 2 inch 13mm Jamb Left Sill Stool Top angle 9 1 Replace the front panel Slip the exhaust lever through the opening between the horizontal louver and the front panel then hook the cabinet top CAUTION Take care not to damage the exhaust lever with the front panel 9 2 Screw the front ca...

Page 9: ...rew holding the power supply cord 7 Unscrew the one screw holding the wire holder Pull out thermistor holder 8 Unscrew the one screw holding earth wire 9 Cut the fixing band holding the wires 10 Remove the control unit 11 Unscrew the four screws holding control box cover Two are on the right side one is on the left side one is on the back side CAUTION DISCHARGE THE FAN MOTOR CAPACITOR AND RUNNING ...

Page 10: ...e one nut at the top of compressor holding the terminal cover Then remove the wiring connector of the compressor cord 17 Remove the condenser by liftting up about 1 inch and pull it toward you and move to right 18 Unfasten the one nut holding propeller fan by rotating it clockwise And remove the propeller fan 19 Unscrew the three screws holding condenser shroud Note Seal three female screws with s...

Page 11: ...terclockwise 25 Unscrew the one screw holding the fan motor lead wire 26 Remove the fan motor by unscrewing the four screws that have large head holding it with bulkhead Note Torque is 7 10 kgf cm at re installing 27 Unscrew the three screws holding the printed wiring board 28 Detach terminals by using long nose pliers 29 Unscrew the five screws Two screws are holding the fan motor capacitors One ...

Page 12: ... than forming large fillets This films make the strongest joints capillary attraction also work best with close tolerance The best clearance is between 0 001 to 0 003 the amount of lap will be approximately 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 su...

Page 13: ...Compressor No good System parts must be above 110 F 2 Rotary Vacuum Pump Disavantages Low CFMC 4 oil gets dirty 3 Single State Vacuum Pump will not clean oil Oil must be changed often 4 Two Stage Vacuum Pump will reach 50 microns First stage is below atmospheric pressure Moisture is removed into second stage which works up to atmospheric pressure thus keeping oil clean Manometer cannot be read to ...

Page 14: ...PACITOR AND FAN CAPACITOR CAUTION DISCHARGE THE RUNNING CAPACITOR AND FAN CAPACITOR BEFORE TOUCHING CAPACITOR OR WIRING 1 Discharge capacitor by shorting terminals 2 Take the wires off the capacitor terminals 3 Set the selector switch of a volt ohm meter or a tester on the resistance range 4 Connect the probes to the capacitor terminals and watch the indicator swing The indicator does not swing at...

Page 15: ...mum 12 hours Up 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...

Page 16: ...FF and restart again soon wait at least 3 minutes before the cooling operation starts 7 Test mode Keep pushing both buttons 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 No 0 1 2 3 4 5 6 7 8 9 Plug in the power supply cord while pushing POWER ON OFF key and d...

Page 17: ...RY1 RY2 RY3 FAN H FAN M FAN L 12V R9 10K RY1 RY2 RY3 CNR1 CNR2 CNR3 BCN1 6 7 1 3 5 RUNNING CAPACITOR 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...

Page 18: ...7 JP28 JP29 JP19 JP20 R17 R13 D15 D14 D10 D13 JP18 JP21 R12 R16 R15 JP22 JP30 JP31 R11 R18 JP23 JP17 JP16 JP15 D12 D11 JP24 R1 R4 C9 Q6 JP14 C14 CN1 1 4 JP12 BZ COMP JP11 JP10 R8 B C E B C E Q7 Q5 R9 ZD1 CB R2 C3 C2 D3 D4 D1 D2 C4 C5 D17 IC2 IC3 COM JP1 JP3 C16 C6 C7 R7 C19 RY3 OUT IN OUT JP2 CN3 R6 D8 D7 D6 R5 R3 R10 C10 RY2 RY1 IN JP9 OUT MRY JP8 JP7 OSC Q1 Q4 Q3 Q2 D5 FU1 C1 NR 125V 3A C22 C20 ...

Page 19: ...ss 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 proper not proper 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 circu...

Page 20: ...the current 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 co...

Page 21: ...erly Turn 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 Chan...

Page 22: ...and recharge 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...

Page 23: ... Measure 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 ...

Page 24: ...8 inches 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 tot...

Page 25: ...20 30 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...

Page 26: ...f measurement Measurement examples are shown 4 Use power input data when checking the Running Condition RUNNING CONDITION FOR MODEL AF R100CX PERFORMANCE CURVE RUNNING CONDITION FOR MODEL AF R120CX PERFORMANCE CURVE Outside air temp C F Outlet air temp C F 25 30 35 40 5 10 15 20 25 9 10 11 12 13 1100 1200 1000 900 800 1300 1400 1500 Line current Amp Power input Wa tt 41 50 59 68 77 30 88 77 86 96 ...

Page 27: ...27 AF R100CX AF R120CX PACKING AND ACCESSORIES Closure ass y 4 3 2 Bag 1 Top pad F Packing case Top pad B Bottom pad ass y ...

Page 28: ...AT 1 28 TLABBA110JBRA SHARP badge 1 AB 1 29 LANGAA038JBFB Left closure frame 1 AK 1 30 LANGAA039JBFB Right closure frame 1 AK 1 31 PPLTPA013JBFB Closure 2 AL 1 32 PSPRCA010JBE0 Spring 1 AD 1 33 TLABKA564JBE0 Number card 1 AC 1 34 PFPFPB446JBE0 Insulator 1 AC 1 35 CWAK C095JBKZ Front panel ass y 1 AX 1 36 MJNTPA074JBFB Louver link 2 AC 1 37 MLOV A252JBFB Vertical louver A 4 AB 1 38 MLOV A253JBFB Ve...

Page 29: ... DCON A167JBKZ Condenser ass y AF R120CX 1 BT 3 6 PEVA A429JBEZ Evaporator AF R100CX 1 BP 3 6 PEVA A424JBEZ Evaporator AF R120CX 1 BQ 3 7 GLEG A103JBE0 Compressor cushion AF R100CX 3 AG 3 7 GLEG A105JBE0 Compressor cushion AF R120CX 3 AF 3 8 PSEL B161JBE0 Gasket washer AF R100CX 1 AH 3 9 PCOV A371JBE0 Terminal cover AF R100CX 1 AF 3 9 PCOV A321JBE0 Terminal cover AF R120CX 1 AR 3 10 PSEL B160JBE0 ...

Page 30: ...1 AD 6 4 LX NZA136JBE0 Special nut AF R120CX 1 AL 6 5 LX HZA001JBE0 Special screw 6 AB 6 6 XCTSD40P10000 Tapping screw 19 AA 6 7 LX NZA074JBE0 Special nut 1 AB 6 8 LX NZA028JBE0 Special nut 3 AB 6 9 XTPSD40P08000 Tapping screw 3 AA 6 10 XCTSD40P06000 Tapping screw 16 AA 6 11 XBPSD40P12J00 Machine screw 2 AB 6 12 LX CZA038WRE0 Special screw 6 AA 6 13 XHTSD40P10000 Tap tight screw 2 AA 6 14 XTPSD40P...

Page 31: ...23 1 11 1 21 1 48 1 35 1 26 1 32 1 50 1 58 6 2 5 6 6 1 6 12 1 14 1 14 1 4 1 4 6 10 6 1 6 1 1 63 6 6 6 1 6 1 6 12 6 1 6 12 6 6 6 6 6 12 6 6 6 5 6 5 6 5 6 6 1 18 1 15 6 6 6 6 6 12 6 7 6 1 6 5 6 6 1 19 6 6 6 5 6 1 1 20 1 45 1 59 1 34 1 52 1 60 1 13 1 62 1 54 1 6 1 17 1 47 1 40 1 43 1 43 1 46 1 42 1 41 1 41 4 6 4 5 4 7 4 8 4 4 5 5 5 3 1 33 1 24 5 2 5 1 5 7 2 4 1 30 4 2 4 3 4 1 4 10 4 9 1 29 1 31 1 42 ...

Page 32: ... 3 3 3 6 6 1 6 3 2 6 6 1 1 9 2 5 6 1 1 61 3 4 3 14 3 10 1 44 3 9 6 4 3 8 3 2 3 5 3 15 6 10 6 10 6 10 2 7 CYCLE PARTS 02 SHARP CORP 2S0 85E Printed in U S A AF R100CX AF R120CX 3 12 3 13 3 1 3 7 6 8 3 3 3 6 6 1 6 3 2 6 6 1 6 1 1 9 2 5 6 1 1 61 3 4 3 14 3 10 1 44 3 9 6 4 3 2 3 5 3 15 6 10 6 10 6 10 2 7 3 11 ...

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