Table of Contents
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SPECIFICATIONS ................................................................................................................................................. 2
WIRING DIAGRAM ................................................................................................................................................ 3
EXTERNAL DIMENSIONS .................................................................................................................................... 3
OPERATION INSTRUCTIONS ............................................................................................................................. 4
INSTALLATION INSTRUCTIONS ........................................................................................................................ 6
DISASSEMBLING PROCEDURE ......................................................................................................................... 8
HOW TO REPAIR REFRIGERATION ................................................................................................................ 12
ELECTRICAL COMPONENT TEST .................................................................................................................... 14
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................... 15
TROUBLESHOOTING GUIDE ............................................................................................................................ 19
COOLING LOAD ESTIMATE FORM ................................................................................................................... 24
RUNNING CONDITION ....................................................................................................................................... 26
PACKING AND ACCESSORIES ......................................................................................................................... 27
REPLACEMENT PARTS LIST ............................................................................................................................ 28
SHARP CORPORATION
SERVICE MANUAL
MODELS
In the interest of user-safety the air conditioner should be restored to
its original condition and only parts identical to those specified should
be used.
TABLE OF CONTENTS
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
1
AIR CONDITIONER
AF-R100CX
AF-R120CX
AF-R100CX
AF-R120CX
S3203AFR12CX/
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Summary of Contents for Sharp AF-R100CX
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Page 1: Table Of Contents
AF-R100CX AF-R120CX SERVICE MANUAL S3203AFR12CX/ AIR CONDITIONER AF-R100CX MODELS AF-R120CX In the interest of user-safety the air conditioner should be restored to its original condition and only parts identical to those specified should be used. TABLE OF CONTENTS Page SPECIFICATIONS ..............................2 WIRING DIAGRAM .............................. -
Page 2: Specifications
AF-R100CX AF-R120CX SPECIFICATIONS Models AF-R100CX AF-R120CX Cooling capacity BTU/h 10000 12000 Moisture removal Pints/h ELECTRICAL DATA Phase Single Rated frequency Rated voltage Volts Rated current Amps 11.5 Rated input Watts 1000 1200 Power factor BTU/Wh 10.0 10.0 COMPRESSOR Type (Hermetically sealed rotary type) -
Page 3: Wiring Diagram
: WHITE : GREEN : GRAY OVERLOAD : ORANGE PROTECTOR COMPRESSOR THERMISTOR MOTOR ( ROOM TEMP ) RIBBED RUNNING CAPACITOR RUNNING AF-R100CX AF-R120CX YELLOW CAPACITOR CNR1 250V 60µF 370V 50µF FAN MOTOR BCN2 CNR2 CAPACITOR 250V 6µF x 2 CNR3 DISPLAY... -
Page 4: Operation Instructions
AF-R100CX AF-R120CX OPERATION INSTRUCTIONS UNIT 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 handle to the right to remove.) Filter handle... - Page 5 AF-R100CX AF-R120CX TO CHANGE TEMPERATURE SETTING Procedure Display / Indicator TEMP During cooling operation Touch the TEMPERATURE setting pad to adjust the temperature setting. • Display will change as you touch the • It can be set within the range of ---Lower temp.
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Page 6: Installation Instructions
AF-R100CX AF-R120CX ENERGY SAVER During normal operation, the thermostat automatically controls cooling and the fan runs continuously. When the ENERGY SAVER is selected, the thermostat automatically controls cooling and the fan automatically stops when the compressor is not operating. (Fan will stop 30 seconds after the compressor stops.) - Page 7 AF-R100CX AF-R120CX SUGGESTED TOOLS CAUTION Do not remove any material (ex. styrofoam, etc.) from inside the unit. 1. Screw driver (medium size Phillips) 2. Tape measure or ruler 3. Knife or scissors INSTALLATION These models can also be installed through the wall with the optional through the wall mounting kit, model AZ- 80WK.
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Page 8: Disassembling Procedure
AF-R100CX AF-R120CX 6. Insert the closure assemblies on both sides into the rails of the jamb. Jamb (Left) Closure assembly (Left) Closure assembly (Left) Sill 1/2 inch 9-1 Replace the front panel. Slip the exhaust lever through (13mm) the opening between the horizontal louver and the Stool front panel then, hook the cabinet top. - Page 9 AF-R100CX AF-R120CX 3. Unscrew the four screws holding the cabinet. 8. Unscrew the one screw holding earth wire . Two screws are on top side. Two screws are on each side. 9. Cut the fixing band holding the wires. 4. Slide the chassis away from the cabinet by pulling on each corner of the base pan.
- Page 10 AF-R100CX AF-R120CX 13.Remove the putty and unfasten the one nut at the top of compressor holding the terminal cover. Then remove the wiring connector of the compressor cord. 18.Unfasten the one nut holding propeller fan by rotating it clockwise. And remove the propeller fan.
- Page 11 AF-R100CX AF-R120CX 22.Unscrew the four screws holding the bulkhead. Three screws are on the each side. One screw is on the bottom side. Note: Seal one female screws with siliconsealer before re-installing. 27.Unscrew the three screws holding the printed wiring board.
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Page 12: How To Repair Refrigeration
AF-R100CX AF-R120CX HOW TO REPAIR REFRIGERATION Before sealed system work can be preformed a refrigerant recovery EPA and LOCALLY approved certification is required, additionally, EPA and LOCALLY approved refrigerant recovery equipment is required. SEALED SYSTEM REPAIR Sealed system repairs should be properly diagnosed before entering into a repair of the system. - Page 13 AF-R100CX AF-R120CX HEATING THE TUBING Direct the torch flame so that the larger tube receives most of the heat. Silver solder flows at 1200˚F and silfos flows at 1300˚F. OUTER CONE Heat all around the tubing. The flame is composed of two cones, a smaller inner cone (pale blue) in color and HOTTEST PART a much larger outer cone.
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Page 14: Electrical Component Test
AF-R100CX AF-R120CX A very faint green indicates a small leak. The flame will be unmistakably changed to green or purple when large leaks are encountered. To simplify leak detection pressurize the system to approximately 75 lbs. Some leaks can be located by a visual inspection 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. -
Page 15: Microcomputer Control System
AF-R100CX AF-R120CX MICROCOMPUTER CONTROL SYSTEM 1. Temperature control characteristic 3. Fan speed Fan speeds are given by the fan motor, “H”, “M” and 1-1 COOL operation “L”, which are available in the following operation In the “COOL” mode, the thermostat circuit is controlled mode. - Page 16 AF-R100CX AF-R120CX 6. Safety start When you turn the air conditioner OFF 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.
- Page 17 AF-R100CX AF-R120CX...
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Page 18: Printed Wiring Board
AF-R100CX AF-R120CX DPWBFA193JBKZ QPWBFB376JBZZ LED2 JP33 GREEN BCN2 BCN3 COOL/ H JP32 B C E JP40 LED3 JP36 JP34 GREEN JP39 B C E COOL/ M JP37 GREEN B C E JP35 JP38 LED4 COOL/ L LED1 LED5 GREEN YELLOW... -
Page 19: Troubleshooting Guide
AF-R100CX AF-R120CX TROUBLESHOOTING GUIDE No cooling (Operation not at all.) Measure the power supply under 100V voltage at receptacle. 120V(over 100V) The house fuse or circuit not open. breaker open ? open Is it proper current capacity of the Ask the power supply house fuse or the circuit breaker ? company for check. - Page 20 AF-R100CX AF-R120CX No cooling (Fan operate but the compressor doesn't operate.) under 100V Measure the power supply voltage at receptacle. Ask the power supply company for check. 120V(over 100V) insufficient Is it sufficient current capacity of power equipment ? Ask the power supply Is it small wiring for power company for check.
- Page 21 AF-R100CX AF-R120CX No cooling (The compressor operate but the fan motor doesn't operate) crack at the solder part disconnecting the connector Check BNC1 on PWB ass'y Repair with over solder. Connect the connector properly. Check the fan motor capacitor. Change the fan motor...
- Page 22 AF-R100CX AF-R120CX Insufficient cooling(Both compressor and compressor operate) too high Check the temperature setting. Set the lower temperature. dirty Check the air filter. not dirty Clean the air filter. there is Is there high heat source or any object restricting heat radiation near the unit.
- Page 23 AF-R100CX AF-R120CX Excessive vibration or Abnormal noise At fan only mode, Excessive vibration or Abnormal noise dirty Check the air filter not dirty Clean the air filter. Check rotating direction of centrifugal fan.(to clockwise) Check the fan motor connector. Connect properly.
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Page 24: Cooling Load Estimate Form
AF-R100CX AF-R120CX COOLING LOAD ESTIMATE FORM INSTRUCTIONS FOR USING COOLING LOAD ESTIMATE FORM FOR ROOM AIR CONDITIONERS (AHAM PUB. NO. RAC-1) A. This cooling load estimate form is suitable for estimating the cooling load for comfort air conditioning installations which do not require specific conditions of inside temperature and humidity. - Page 25 AF-R100CX AF-R120CX BTU/Hr FACTORS (Quantity HEAT GAIN FROM QUANTITY x Factor) Inside Outside (Area a Shades Shades Shades Factor) 1. WINDOWS: Heat gain from sun. sq ft Northeast only sq ft Southeast sq ft South largest Southwest load sq ft...
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Page 26: Running Condition
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 RUNNING CONDITION FOR MODEL AF-R120CX MODEL AF-R100CX PERFORMANCE CURVE PERFORMANCE CURVE 1500 1100... -
Page 27: Packing And Accessories
AF-R100CX AF-R120CX PACKING AND ACCESSORIES Closure ass'y Top pad B Top pad F Packing case Bottom pad ass'y... -
Page 28: Replacement Parts List
PART NO. DESCRIPTION Q'TY CODE CABINET AND UNIT PARTS 1- 1 CMOTLA895JBEZ Fan motor 1- 2 DCHS-A442JBTA Base pan ass’y [AF-R100CX] 1- 2 DCHS-A440JBTA Base pan ass’y [AF-R120CX] 1- 3 DCAB-A094JBTA Cabinet ass’y 1- 4 PSEL-B150JBE0 Cabinet seal 1- 5... -
Page 29: Cycle Parts
Terminal cover [AF-R100CX] 3- 9 PCOV-A321JBE0 Terminal cover [AF-R120CX] 3-10 PSEL-B160JBE0 Terminal gasket [AF-R100CX] 3-10 PSEL-A971JBE0 Terminal gasket [AF-R120CX] 3-11 DCPY-A235JBKZ Capillary tube ass’y [AF-R100CX] 3-11 DCPY-A234JBKZ Capillary tube ass’y [AF-R120CX) 3-12 MSPR-A129JBE0 Cycle spring 3-13 PGUM-0034JBE0 Damper rubber 3-14 MSPR-A114JBE0... - Page 30 6- 1 XTTSD40P12000 Tapping screw 6- 2 LX-BZA236JBE0 Special screw 6- 3 XHTSD40P08000 Tap tight screw 6- 4 LX-NZA148JBE0 Special nut [AF-R100CX] 6- 4 LX-NZA136JBE0 Special nut [AF-R120CX] 6- 5 LX-HZA001JBE0 Special screw 6- 6 XCTSD40P10000 Tapping screw 6- 7...
- Page 31 AF-R100CX AF-R120CX CABINET PARTS...
- Page 32 AF-R100CX AF-R120CX CYCLE PARTS 3-14 3-10 1-44 6-10 3-15 3-13 6-10 3-12 6-10 3-11 1-61 3-14 AF-R100CX 3-10 1-44 6-10 3-11 3-13 3-15 3-12 6-10 6-10 1-61 AF-R120CX '02 SHARP CORP. (2S0.85E) Printed in U.S.A.