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Sharp AF-S80CX Service Manual

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SPECIFICATIONS ................................................................................................................................................ 2
EXTERNAL DIMENSIONS ................................................................................................................................... 4
HOW TO OPERATE ............................................................................................................................................. 5
INSTALLATIOIN INSTRUCTIONS ...................................................................................................................... 13
DISASSEMBLING PROCEDURE ....................................................................................................................... 16
HOW TO REPAIR REFRIGERATION ................................................................................................................. 19
ELECTRICAL COMPONENT TEST .................................................................................................................... 21
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................... 22
TROUBLESHOOTING GUIDE ............................................................................................................................ 26
COOLING LOAD ESTIMATE FORM ................................................................................................................... 31
RUNNING CONDITION ....................................................................................................................................... 33
PACKING AND ACCESSORIES ......................................................................................................................... 34
REPLACEMENT PARTS LIST ............................................................................................................................ 35
SHARP CORPORATION
SERVICE MANUAL
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.

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-S80CX
AF-S80CX
S3212AFS08CX/
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  • Page 1: Table Of Contents

    AF-S80CX SERVICE MANUAL S3212AFS08CX/ AIR CONDITIONER AF-S80CX 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. TABLE OF CONTENTS Page SPECIFICATIONS ..............................

  • Page 2: Specifications

    AF-S80CX SPECIFICATIONS Models AF-S80CX Cooling capacity BTU/h 8000 Moisture removal Pints/h ELECTRICAL DATA Phase Single Rared frequency Rated voltage Volts Rated current Amps Rated input Watts Power factor BTU/Wh 11.0 COMPRESSOR Type (Hermetically sealed rotary type) Model, Motor output 2R12T126A-6A, 550W...
  • Page 3 AF-S80CX ELECTRICAL PARTS Models AF-S80CX Running capacitor 250V-35µF Fan capacitor 250V-6µF Thermistor 15kΩ at 78˚F Fan motor OBM-2508K1 (MLB003) Overload relay MRA98706 WIRING DIAGRAM POWER SUPPLY CORD WIRE COLOR 3A 125V 115V 60Hz : BLACK NON RIBBED : BLUE CONTROL...

  • Page 4: External Dimensions

    AF-S80CX EXTERNAL DIMENSIONS 19-11/16" 35-7/16" (full opened) 17-3/32" 4-15/32" 23-5/8" (full closed) Fig. E-1...

  • Page 5: How To Operate

    AF-S80CX HOW TO OPERATE PARTS NAMES UNIT 1Front Cabinet 2Air Inlet (Indoor Side) 3Horizontal Louvers 4Vertical Louvers 5Air Outlet (Indoor Side) 6Control Panel 7Rear Cabinet 8Air Inlet (Outdoor side) 9Filter (Pull the filter handle to the right to remove.) 0Filter Handle...
  • Page 6 AF-S80CX COOLING OPERATION Touch POWER ON/OFF pad. POWER • The unit is preset at 74°F and HIGH SELECTOR indicator indicator COOL. This will show in the display when the power is first turned on. • POWER indicator and SELECTOR indicator (COOL) will light.
  • Page 7 AF-S80CX TO CHANGE FAN SPEED AND OPERATION MODE During operation SELECTOR indicator Touch SELECTOR pad and select the operation mode and fan speed. • SELECTOR indicator and display will light in order as you touch. COOL / FAN TEMP ENERGY...
  • Page 8 AF-S80CX 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 9 AF-S80CX ON TIMER OPERATION • This unit has a built-in timer that can be programmed to start the unit up to 12 hours in advance. You can set the timer to start in increments of 30 minutes (0.5 hours) up to 9.5 hours in advance of the start time, or in 1 hour increments from 10 to 12 hours in advance of the start time.
  • Page 10 AF-S80CX OFF TIMER OPERATION • This unit has a built-in timer that can be programmed to shut the unit off up to 12 hours in advance. You can set the timer to stop in increments of 30 minutes (0.5 hours) up to 9.5 hours in advance of the stop time, or in 1 hour increments from 10 to 12 hours in advance of the stop time.
  • Page 11 AF-S80CX USING THE REMOTE CONTROL INSTALLING BATTERIES Use two size-AAA (R03) batteries. Remove the battery compartment cover. Insert the batteries in the compartment, making sure the polarities are properly aligned. Battery compart- ment cover Replace the cover. NOTES: • The battery life is approximately one year with normal use.
  • Page 12 AF-S80CX OPERATING WITH THE REMOTE CONTROL TRANSMITTER POWER ON/OFF POWER ON/OFF button Push to start or stop the operation. TEMP. TEMPERATURE setting button TEMP. Raise temp. setting 1°F at a time. TEMP. TEMP. Lower temp. setting 1°F at a time.

  • Page 13: Installatioin Instructions

    AF-S80CX INSTALLATION INSTRUCTIONS ACCESSORIES Accessories Q'ty Right closure assembly Left closure assembly Window sash foam seal Window sash foam seal (adhesive type) Bottom gasket Screws (L=1", 25.4mm) Screws (L= ", 10mm) Base pan angle Remote control Battery Remote control hook SUGGESTED TOOLS 1.
  • Page 14 AF-S80CX INSTALLATION WARNING: Make sure the unit is turned off and unplugged before working. Sash Cut the window sash foam seal (adhesive type) to the proper length and attach it to the underside of the window sash. Window sash foam seal...
  • Page 15 AF-S80CX Closure assembly (Left) Insert the closure assemblies on both sides into the rails of the jamb. Jamb (Left) Indoor side Closure assembly (Left) Indoor side 1/2 inches (13mm) Sill Stool Loosen screws on both sides of the cabinet, then hang the base pan angle on and secure the screws again.

  • Page 16: Disassembling Procedure

    AF-S80CX DISASSEMBLING PROCEDURE CAUTION: DISCONNECT THE ROOM AIR CONDITIONER FROM THE POWER SUPPLY BEFORE ANY SERVICE 1. Unscrew the 2 screws holding the front panel on each 5. Remove the control panel. side. 2. Remove the front panel by pulling the front panel at the 6.
  • Page 17 AF-S80CX 9. Unfasten the one nut at the top of the compressor 13. Unscrew the 7 screws. holding the terminal cover. 4 screws are holding the evaporator on each side. Then remove the wiring connector of the compressor 3 screws are holding the bulkhead to the base pan on cord.
  • Page 18 AF-S80CX 17. Unscrew the 1 screw holding the centrifugal fan. 18. Unscrew the 3 screws holding fan motor. DISASSEMBLING THE CONTROL BOX 1. Unscrew the 1 screw holding the control box cover. 4. Unscrew the 1 power supply cord grounding screw.

  • Page 19: How To Repair Refrigeration

    AF-S80CX 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 20 AF-S80CX 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 OUTER CONE 1300˚F. Heat all around the tubing. HOTTEST PART OF FLAME The flame is composed of two cones, a smaller inner cone (pale blue) in calor and a much larger outer cone.

  • Page 21: Electrical Component Test

    AF-S80CX LEAKS Several methods are used to detect leaks in systems. Electronic Leak Detectors are very sensitive and are able to detect leaks down to 1/2 ounce per year. A good electronic leak detector is generally far better in locating very small leaks.

  • Page 22: Microcomputer Control System

    AF-S80CX 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 23 AF-S80CX 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 24 AF-S80CX...
  • Page 25 AF-S80CX DPWBFA279JBKZ QPWBFB476JBZZ JP28 JP30 JP29 JP35 QPWBFB476JBZZ DPWBFA279JBKZ Printed Wiring Board...

  • Page 26: Troubleshooting Guide

    AF-S80CX 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 27 AF-S80CX No cooling (Fan operate but the compressor doesn't operate.) under 100V Measure the power supply voltage at receptacle. Ask the power supply 120V(over 100V) company for check. insufficient Is it sufficient current capacity of power equipment ? Ask the power supply Is it small wiring for power company for check.
  • Page 28 AF-S80CX 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 29 AF-S80CX 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 30 AF-S80CX 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.

  • Page 31: Cooling Load Estimate Form

    AF-S80CX 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 32 AF-S80CX 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 Southeast...

  • Page 33: Running Condition

    AF-S80CX RUNNING CONDITION Note: 1. Select mode of the Running Condition of a Room Air Conditioner. SELECTOR ....................HIGH COOL THERMOSTAT ....................64˚F 2. Data of Performance Curve is measured between 40%RH and 70%RH. If you measure the Room Air Conditioner above or below this rating, the data may miss the range of the performance curve.

  • Page 34: Packing And Accessories

    AF-S80CX PACKING AND ACCESSORIES TOP PAD ASSEMBLY (DPADBA006JBFZ) Top pad L Top pad R Accessories Operation manual Window sash foam seal Window sash seal Bottom gasket Screws Base pan angle Right closure assembly Left closure assembly Packing case (SPAKCA999JBEZ) Front side "Front side"...

  • Page 35: Replacement Parts List

    AF-S80CX REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION Q'TY CODE CABINET AND UNIT PARTS 1- 1 CMOTLB003JBEZ Fan motor 1- 2 DCHS-A364JBTA Base pan ass’y 1- 3 PFPFPB137JBE0 Base pan insulator 1- 4 PFPFPB138JBE0 Base pan insulator 1- 5 CCAB-A318JBKZ Cabinet ass’y...
  • Page 36 AF-S80CX REF. NO. PART NO. DESCRIPTION Q'TY CODE 3- 6 PSEL-A150JBE0 Gasket washer 3- 7 CPIP-A020JBKZ Suction tube ass’y 3- 8 PPIPCF687JB1Z Lead tube 3- 9 CPIP-A034JBKZ Discharge tube 3-10 GLEG-A073JBE0 Compressor cushion 3-11 MSPR-A005JBE0 Protector spring 3-12 PCOV-A002JBE0 Terminal cover...
  • Page 37 AF-S80CX CABINET PARTS 4-17 4-18 4-15 4-11 6-17 1-31 6-14 4-19 4-10 4-12 4-13 1-13 1-34 6-12 4-16 4-14 6-14 6-15 6-11 6-18 1-16 1-20 1-1 1-41 6-15 1-36 6-18 1-23 1-40 1-10 1-22 1-12 1-11 6-17 1-29 1-28 1-26...
  • Page 38 AF-S80CX CONTROL BOX PARTS 2-18 6-16 2-13 2-12 2-14 2-10 2-17 2-15 6-16...
  • Page 39 AF-S80CX CYCLE PARTS 6- 1 3-12 3-11 2-16 2-11 3-13 1-19 1-18 1-32 6-10 6-17 6-10 1-39 2-10 6-17 3-10...
  • Page 40 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. ’02 SHARP CORP. (3S0.85E) Printed in U.S.A.

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