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CHAPTER 1. PRODUCT SPECIFICATIONS
[1]
SPECIFICATIONS ................................. . ....... 1-1
[2]
EXTERNAL DIMENTIONS..................... . ....... 1-3
[3]
WIRING DIAGRAMS.............................. . ....... 1-4
[4]
ELECTRICAL PARTS ............................ . ....... 1-6
CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-
ERATION
[1]
MICROCOMPUTER CONTROL SYSTEM
[2]
FUNCTIONS .......................................... . ....... 2-5
CHAPTER 3. TROUBLESHOOTING GUIDE
[1]
SELF-DIAGNOSIS FUNCTION AND DIS-
PLAY MODE .......................................... . ....... 3-1
[2]
CONTROL CIRCUIT .............................. . ....... 3-2
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
SERVICE MANUAL
SPLIT TYPE
ROOM AIR CONDITIONER
MODEL
INDOOR UNIT
AH-PS19
AH-PS24
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.
CONTENTS
........ 2-1
S3214A3AHAP8LMBT
CHAPTER 4. REFRIGERATION CYCLE
[1]
REFRIGERATION CYCLE ............................4-1
[2]
REFRIGERANT PIPE INSTALLATION
WORKS .........................................................4-1
[3]
PERFORMANCE CURVES...........................4-2
CHAPTER 5. DISASSEMBLING PROCEDURE
[1]
INDOOR UNIT...............................................5-1
[2]
OUTDOOR UNIT(18000 BTU CLASS) .........5-5
[3]
OUTDOOR UNIT(24000 BTU CLASS) .........5-7
Parts Guide
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
AH-PS19
OUTDOOR UNIT
AU-PS19
AU-PS24
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Summary of Contents for Sharp AH-PS19
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Page 1: Table Of Contents
TopPage AH-PS19 SERVICE MANUAL S3214A3AHAP8LMBT SPLIT TYPE ROOM AIR CONDITIONER MODEL OUTDOOR UNIT INDOOR UNIT AU-PS19 AH-PS19 AU-PS24 AH-PS24 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 AH-PS19 2. AH-PS19 , AU-PS19 ITEMS -PS19 -PS19 Cooling capacity Moisture removal Electrical data a t l Rated current Rated input Rated factor c i t y l l R433VU+5ASI a l l 1540 Noise level (at cooling) Fan system...
- Page 3 AH-PS19 2. AH-PS24 , AU-PS24 ITEMS H-PS24 U-PS24 Cooling capacity Moisture removal Electrical data a t l Rated current 2.012 Rated input Rated factor c i t y l l QP390PAA a l l Noise level (at cooling) Fan system...
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Page 4: External Dimentions
AH-PS19 [2] EXTERNAL DIMENTIONS 1. Indoor unit 1040 1100 18.5 Power supply cord (AH-PS19 only) INVERTER AIR CONDITIONER MODE TEMP. TIMER [Length unit : mm] Remote controller 2. Outdoor unit (AU-PS19) 46.3 ø4.5 10.5 1 – 3... -
Page 5: Wiring Diagrams
AH-PS19 3. Outdoor unit (AU-PS24) [3] WIRING DIAGRAMS 1. Indoor unit 1.1. AH-PS19 AH-AP18KSY AH-A18KEY AH-AP18KMV AH-A18KEV CLUSTER GENERATOR,CN6 NONE LOUVER MOTOR(VERTICAL),CN3 NONE NONE 1 – 4... -
Page 6: Outdoor Unit(18000 Btu Class)
AH-PS19 1.2. AH-PS24 AH-A24KEV AH-AP24KSY AH-AP24KMV CLUSTER GENERATOR,CN6 NONE LOUVER MOTOR(VERTICAL),CN3 NONE NONE 2. Outdoor unit 2.1. AU-PS19 CC547 2.2. AU-PS24 CC559 1 – 5... -
Page 7: Outdoor Unit(24000 Btu Class)
AH-PS19 [4] ELECTRICAL PARTS 1. Indoor unit AH-PS19 AH-PS24 Terminal Board Rating 300V 25A Relay-1 Rating AC250V 20A — (RY1) Coil Volt.; 12V Relay-2 Rating AC250V 5A — (RY4) Coil Volt.; 12V Printed Wiring Board Material Paper Base Phenolic Resin (UL 94V-0) - Page 8 AH-PS19 Service Manual AHAP18KSY CHAPTER 2. EXPLANATION OF CIRCUIT AND OPERATION [1] MICROCOMPUTER CONTROL SYSTEM 1. Electronic control circuit diagram 1.1. AH-PS19 2 – 1...
- Page 9 AH-PS19 1.2. AH-PS24 2 – 2...
- Page 10 AH-PS19 2. Printed wiring diagram 2.1. AH--PS19 FROM CLUSTER GENERATOR [AH-AP18KSY/ KMV] TO TERMINAL BOARD FROM LOUVER "N" MOTOR FROM THERMISTOR FROM FAN MOTOR FROM FROM TERMINAL BOARD POWER SUPPLY COAD "1" "BLACK" "BROWN" FROM TERMINAL BOARD THERMAL FUSE RY1 (CN12) TO EVAPORATOR AND TERMINAL BOARD "E"...
- Page 11 AH-PS19 2.2. AH-PS24 FROM CLUSTER GENERATOR TO TERMINAL BOARD FROM LOUVER TOP "N" MOTOR FROM THERMISTOR FROM FAN MOTOR FROM TERMINAL BOARD BOTTOM FROM TERMINAL BOARD TOP TO TERMINAL BOARD TOP "2" TO TERMINAL BOARD TOP "1" TO EVAPORATOR AND TERMINAL BOARD TOP "E"...