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SPECIFICATIONS ................................................................................................................................................ 2
EXTERNAL DIMENSIONS ................................................................................................................................... 4
HOW TO OPERATE ............................................................................................................................................. 5
INSTALLATIOIN INSTRUCTIONS ...................................................................................................................... 13
DISASSEMBLING PROCEDURE ....................................................................................................................... 16
HOW TO REPAIR REFRIGERATION ................................................................................................................ 20
ELECTRICAL COMPONENT TEST .................................................................................................................... 23
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................... 24
TROUBLESHOOTING GUIDE ............................................................................................................................ 28
COOLING LOAD ESTIMATE FORM ................................................................................................................... 33
RUNNING CONDITION ....................................................................................................................................... 35
PACKING AND ACCESSORIES ......................................................................................................................... 36
REPLACEMENT PARTS LIST ............................................................................................................................ 37
SHARP CORPORATION
SERVICE MANUAL
MODELS
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-S50CX
AF-S55CX
AF-S60CX
AF-S50CX
AF-S55CX
AF-S60CX
S3207AFS06CX/
Page
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Summary of Contents for Sharp AF-S50CX
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Page 1: Table Of Contents
AF-S50CX AF-S55CX AF-S60CX SERVICE MANUAL S3207AFS06CX/ AIR CONDITIONER AF-S50CX AF-S55CX AF-S60CX MODELS 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. -
Page 2: Specifications
AF-S50CX AF-S55CX AF-S60CX SPECIFICATIONS Models AF-S50CX, AF-S55CX AF-S60CX Cooling capacity BTU/h 5000 6000 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 11.0 COMPRESSOR Type (Hermetically sealed rotary type) -
Page 3: Electrical Parts
1 2 3 6 5 4 BCN1 GY RE OR WH H M L FAN MOTOR THERMAL EARTH PROTECTOR Figure W-1. Wiring diagram for AF-S50CX, AF-S55CX POWER SUPPLY CORD WIRE COLOR 3A 125V 115V 60Hz : BLACK NON RIBBED : BLUE... -
Page 4: External Dimensions
AF-S50CX AF-S55CX AF-S60CX EXTERNAL DIMENSIONS 17-23/32" 33-7/16" (full opened) 15-1/4" 4-1/8" 21-21/32" (full closed) Fig. E-1... -
Page 5: Parts Names
6Control Panel 7Rear Cabinet 8Air Inlet (Outdoor side) 9Filter (Pull the filter handle to the right to remove.) 0Filter Handle qPower Cord CONTROL PANEL AF-S55CX AF-S50CX, S60CX POWER POWER ON/OFF ON/OFF COOL / FAN TEMP COOL / FAN TEMP ENERGY... -
Page 6: Cooling Operation
AF-S50CX AF-S55CX AF-S60CX COOLING OPERATION POWER Touch POWER ON/OFF pad. indicator SELECTOR indicator • The unit is preset at 74°F and HIGH COOL. This will show in the display when the power is first turned on. • POWER indicator and SELECTOR... -
Page 7: To Change Fan Speed And Operation Mode
AF-S50CX AF-S55CX AF-S60CX TO CHANGE FAN SPEED AND OPERATION MODE SELECTOR indicator During operation Touch SELECTOR pad and select the operation mode and fan speed. POWER ON/OFF • SELECTOR indicator and display will light in order as you touch. COOL / FAN... -
Page 8: Energy Saver
AF-S50CX AF-S55CX AF-S60CX 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: On Timer Operation
AF-S50CX AF-S55CX AF-S60CX 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: Off Timer Operation
AF-S50CX AF-S55CX AF-S60CX 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: Using The Remote Control
AF-S50CX AF-S55CX AF-S60CX 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: •... -
Page 12: Operating With The Remote Control
AF-S50CX AF-S55CX AF-S60CX OPERATING WITH THE REMOTE CONTROL TRANSMITTER POWER ON/OFF POWER ON/OFF button Push to start or stop the operation. TEMP. TEMP. Raise temp. setting 1°F at a time. TEMP. TEMP. Lower temp. setting 1°F at a time. SELECTOR... -
Page 13: Installation Instructions
AF-S50CX AF-S55CX AF-S60CX 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: Installation
AF-S50CX AF-S55CX AF-S60CX 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-S50CX AF-S55CX AF-S60CX 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.
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Page 16: Disassembling Procedure
AF-S50CX AF-S55CX AF-S60CX 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. 6. Unscrew the 5 screws. - Page 17 AF-S50CX AF-S55CX AF-S60CX 9. Cut the wire fixing band, slide the control box rightward 13. Unscrew the 3 screws holding the condenser shround. and remove. And remove the condenser shround. 10. Unfasten the one nut at the top of the compressor 14.
- Page 18 AF-S50CX AF-S55CX AF-S60CX 17. Unscrew the 1 screw holding the centrifugal fan. 18. Remove the caseing. 19. Unscrew the 4 screws holding fan motor.
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Page 19: Disassembling The Control Box
AF-S50CX AF-S55CX AF-S60CX DISASSEMBLING THE CONTROL BOX 1. Unscrew the 2 screws holding the control box cover. 5. Unscrew the 1 power supply cord grounding screw. Unscrew the earth screw. Unscrew the 1 screw holding CAUTION: DISCHARGE THE FAN MOTOR CAPACITOR AND the capacitor clamp. -
Page 20: How To Repair Refrigeration
AF-S50CX AF-S55CX AF-S60CX 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 21: Proper Fluxing
AF-S50CX AF-S55CX AF-S60CX PROPER FLUXING Flux is necessary when using silver solder; it is not required when using silfos on copper to copper joints. 3/8" To do a good job the flux should cover the tube surface SILVER ALLOY completely. Be careful not to introduce any flux inside the tubing. - Page 22 AF-S50CX AF-S55CX AF-S60CX Type of evacuation methods 1. Piston Type Compressor No good. System parts must be above 110˚F. DIAL-CHARGE ELECTRIC CHARGING CYLINDER 2. Rotary Vacuum Pump Disavantages. VACUUM GAUGE Low CFMC. 4 oil gets dirty. LOW SIDE HIGH SIDE...
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Page 23: Electrical Component Test
AF-S50CX AF-S55CX AF-S60CX ELECTRICAL COMPONENT TEST RUNNING CAPACITOR 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. -
Page 24: Microcomputer Control System
AF-S50CX AF-S55CX AF-S60CX 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 25 AF-S50CX AF-S55CX AF-S60CX 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 26 AF-S50CX AF-S55CX AF-S60CX...
- Page 27 AF-S50CX AF-S55CX AF-S60CX DPWBFA244JBKZ QPWBFB438JBZZ (AF-S55CX) (AF-S55CX) DPWBFA278JBKZ QPWBFB475JBZZ BCN2 DPWBFA278JBKZ QPWBFB475JBZZ DPWBFA244JBKZ QPWBFB438JBZZ (AF-S55CX) (AF-S55CX) Printed Wiring Board...
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Page 28: Troubleshooting Guide
AF-S50CX AF-S55CX AF-S60CX 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... - Page 29 AF-S50CX AF-S55CX AF-S60CX 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 ?
- Page 30 AF-S50CX AF-S55CX AF-S60CX 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.
- Page 31 AF-S50CX AF-S55CX AF-S60CX 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 32 AF-S50CX AF-S55CX AF-S60CX 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.
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Page 33: Cooling Load Estimate Form
AF-S50CX AF-S55CX AF-S60CX 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 34 AF-S50CX AF-S55CX AF-S60CX 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 35: 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 RUNNING CONDITION FOR MODEL AF-S50CX / AF-S55CX MODEL AF-S60CX PERFORMANCE CURVE PERFORMANCE CURVE... -
Page 36: Packing And Accessories
Bottom gasket Screws Base pan angle Right closure assembly Left closure assembly Remote control Battery Remote control hook Packing case SPAKCA996JBEZ: AF-S50CX SPAKCB050JBEZ: AF-S55CX SPAKCA997JBEZ: AF-S60CX Front side "Front side" mark Protect (SSAKHA009JBEZ) Enegry card Energy star label TLAB-C213JBEZ: AF-S50CX... -
Page 37: Replacement Parts List
Centrifugal fan 1-15 PKESSA066JBFA Orifice [AF-S50CX] 1-15 PKESSA066JBFA Orifice [AF-S60CX] 1-15 PKESSA066JBFB Orifice [AF-S55CX] 1-16 MLOV-A321JBFA Vertical louver A [AF-S50CX] 1-16 MLOV-A321JBFA Vertical louver A [AF-S60CX] 1-16 MLOV-A321JBFB Vertical louver A [AF-S55CX] 1-17 MLOV-A322JBFA Vertical louver B [AF-S50CX] 1-17 MLOV-A322JBFA... -
Page 38: Cycle Parts
2- 9 TLABCB587JBRZ Wiring diagram [AF-S50CX] 2- 9 TLABCB587JBRZ Wiring diagram [AF-S55CX] 2- 9 TLABCB582JBRZ Wiring diagram [AF-S60CX] 2-10 DPWBFA278JBKZ Control board unit [AF-S50CX] 2-10 DPWBFA278JBKZ Control board unit [AF-S60CX] 2-10 DPWBFA244JBKZ Control board unit [AF-S55CX] 2-11 PSPA-A158JBZZ PWB Spacer 2-12... - Page 39 Q'TY CODE PACKING PARTS 5- 1 DPADBA004JBFZ Top pad ass’y 5- 2 CPADBA046JBKZ Bottom pad ass’y 5- 3 SPAKCA996JBEZ Packing case [AF-S50CX] 5- 3 SPAKCB050JBEZ Packing case [AF-S55CX] 5- 3 SPAKCA997JBEZ Packing case [AF-S60CX] 5- 4 SSAKHA245YDE0 Protect 5- 5...
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Page 40: Cabinet Parts
AF-S50CX AF-S55CX AF-S60CX CABINET PARTS 4-19 4-10 4-16 4-11 4-17 4-12 4-14 6-11 4-18 4-15 4-13 6-13 6-10 6-11 1-34 1-10 1-11 1-12 1-30 1-26 1-32 1-26 1-24 [AF-S55CX only] 1-13 1-25 1-35 1-14 1-17 1-21 1-19 1-16 1-18 1-22... - Page 41 AF-S50CX AF-S55CX AF-S60CX CONTROL BOX PARTS 2-17 2-10 2-12 6-12 2-11 2-16 2-10 2-13 2-14...
- Page 42 AF-S50CX AF-S55CX AF-S60CX CYCLE PARTS 6-14 3-13 3-12 3-11 3-10 2-15 3-17 6-15 3-15 [AF-S50CX/S55CX, only] 3-14 [AF-S50CX/S55CX, only] 3-18 3-16 6-15...
- Page 43 AF-S50CX AF-S55CX AF-S60CX...
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Page 44: 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. ’02 SHARP CORP. (3S0.85E) Printed in U.S.A.
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