Sharp AY-X12PSR User manual

SERVICE MANUAL
AY-X9PSR
SC213AYX9PSR/C
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.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
CHAPTER 1. SPECIFICATION
[1] SPECIFICATION ...........................................1-1
[2] EXTERNAL DIMENSION ..............................1-2
[3] WIRING DIAGRM..........................................1-3
[4] ELECTRICAL PARTS....................................1-4
CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGRAMS ......................................2-1
[2] MICROCOMPUTER CONTROL SYSTEM........2-3
[3] FUNCTION..................................................2-18
CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES
[1] PROTECTION DEVICE FUNCTIONS AND
OPERATIONS ...............................................3-1
[2] AIR CONDITIONER OPERATION IN
THERMISTOR ERROR.................................3-2
[3] THERMISTOR TEMPERATURE CHAR-
ACTERISTICS............................................... 3-3
[4] GENERAL TROUBLESHOOTING CHART....3-6
[5] MALFUNCTION (PARTS) CHECK METH-
OD..................................................................3-8
[6] CHART .........................................................3-10
[7] TROUBLE SHOOTING GUIDE ................... 3-11
CHAPTER 4. REFRIGERATION CYCLE
[1] SCHEMATIC DIAGRAM ................................ 4-1
[2] STANDARD CONDITION .............................. 4-1
[3] TEMPERATURE AT EACH PART AND
PRESSURE IN 3-WAY VALVE....................... 4-2
[4] PERFORMANCE CURVES ........................... 4-2
CHAPTER 5. DISASSEMBLY PROCEDURE
[1] INDOOR UNIT ............................................... 5-1
[2]
[3]
OUTDOOR UNIT ........................................... 5-4
CHAPTER 6. OPERATION MANUAL
CONTROL BOX............................................. 5-7
PARTS LIST
CONTENTS
SPLIT TYPE ROOM AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
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.
AE-X9PSR
AY-X12PSR AE-X12PSR
AY-X9PSR
MODELS
CHAPTER 7. INSTALLATION MANUAL

CHAPTER 1. PRODUCT SPECIFICATION
[1] SPECIFICATION
1. AY-X9PSR/AY-X12PSR
INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
AY-X9PSR AE-X9PSR AY-X12PSR AE-X12PSR
kW
kW
Liters/h
Electrical date
Hz
V
Cool A
Heat A
Cool W
Heat W
Cool %
Heat %
Maximum operating current A
High dB(A) 38 60 38 62
4343)A(BdwoL
6262)A(BdtfoS
Fan system
High m3/min 11.0 31.7 11.0 28.3
4.84.8nim/3mwoL
8.58.5nim/3mtfoS
Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
inch
mm
Others
Width mm 820 700 820 700
Height mm 280 256 280 256
Depth mm 183 551 183 551
kg 10/12 24/28 10/12 26/30
Net/Gross weight
Drain pipe
Air filters
Net dimensions
Safety device
Drive
Air flow quantity(at cooling)
Fan
Refrigenrant tube size Gas,Liquid
Refrigerant coupling
Refrigerant(R410A)
De-Ice system
Noise Level(at cooling)
Refrigerant system Evaporator
Condenser
0.8
Single
Control
Rated current(Min-Max)
Rated input(Min-Max)
Power factor
Compressor Type
Model
Oil charge
50
220-240
3.5(1.32-5.0)
3.1(1.32-6.4)
760(290-1100)
680(290-1400)
94
95
6.4
Hermetically sealed ROTARY TYPE
DA89M1C-81EZ8
370ml˄ESTER OIL VG74˅
Louver fin and grooved tube type
Louver fin and grooved tube type
Microcomputer controlled reverse system
750
Microcomputer controlled reverse system
Flare tpye
3/8",1/4"
O.D16
Direct drive
Moisture removal(at cooling)
Phase
Rated frequency
Rated voltage
MODEL
ITEMS
3.5(1.1-3.7)
3.5(1.1-4.5)
2.6(1.00-3.10)
2.6(1.0-3.80)
Rated cooling capacity(Min-Max)
Rated heating capacity(Min-Max)
50
220-240
Hermetically sealed ROTARY TYPE
Louver fin and grooved tube type
1.0
Fuse,Micro compute control
Polypropylene net(washable)
Flare tpye
O.D16
950
370ml˄ESTER OIL VG74˅
1060(290-1330)
4.9(1.32-6.1)
Single
1010(290-1700)
Microcomputer controlled reverse system
Fan motor:thermal fuse
Fuse,Micro compute control
Louver fin and grooved tube type
Fan motor:thermal fuse
Microcomputer controlled reverse system
Direct drive
Polypropylene net(washable)
SHARP(CHINA)INVESTMENT CO.,LTD
1-1
94
95
7.8
1/2",1/4"
DA108M1C-81EZ8
4.6(1.32-7.8)

[2] EXTERNAL DIMENSION
INDOOR UNIT
OUTDOOR UNIT
1-2

[3]WIREING DIAGRAM
1.AY-X9PSR/AY-X12PSR
AE-X9PSR/AE-X12PSR
Indoor unit
Outdoor unit
1-3
©


[4]ELECTRICAL PARTS
1.AY-X9PSR/AE-X9PSR
Indoor unit
CODE
1170030067
1090260049AA
1090320292
1170240024
1170020011
1170230001
Outdoor unit
CODE
210900163
210900026
1171990046
1170040126
1170230006
1170230007
2.AY-X12PSR/AE-X12PSR
Indoor unit
CODE
1170030067
1090260049AA
1090320292
1170240024
1170020011
1170230001
Outdoor unit
CODE
210900168
210900026
1171990046
1170040126
1170230006
1170230007 k5rosnes.pmeTroodtuodnarosnes.pmeTepiP 
Discharge Temp. sensor 2.1k
Inverter module
Inductor 5.0mHˈ10A
Vane motor 12V
Power source board
Indoor sensor 5k
SKRAMERNOITPIRCS
ED
Indoor fan motor 220V/50Hz
outdoor fan motor 220V/50Hz
Main PCB
Display PCB
Transformer 220V/50/60Hzˈ12V
2.1k
5k
SKRAMERNOITPIRCSED
Pipe Temp. sensor and outdoor Temp. sensor
Discharge Temp. sensor
220V/50Hz
220V/50/60Hzˈ12V
12V
5.0mHˈ10A
5k
REMARKS
Power source board
REMARKS
220V/50Hz
DESCRIPTION
Indoor sensor
DESCRIPTION
Inductor
Main PCB
Indoor fan motor
outdoor fan motor
Inverter module
Display PCB
Transformer
Vane motor
1-4

SHARP(CHINA)INVESTMENT CO., LTD
CHAPTER 2.EXPLAMATION OF CIRCUIT AND OPERATTION
[1] BLOCK DIAGRAM
1. INDOOR UNIT
CPU
of
indoor
control
unit
Overcurrent detection
Unit-unit wiring (AC
power and serial
signals)and serial
signals)
Fan speed detection
Transformer
LEV
EEPROM
Room Temp detection circuit
IDU pipe temp detection circuit
Model jumper
LED Display driver
Indoor fan drive circuit
Model selection
IDU pipe temp thermisto
r
Buzzer drive circuit
LEV drive circuit
3.15A fuse
Room temp thermisto
r
Buzzer
Indoor fan motor
Auxiliary driving circuit Auxiliary circuit
Outdoor Power control Power on relay of outdoor unit
Anion driving circuit Anion circuit
Power Supply+15V
Reset circuit
DC+5V
Zero-crossing detection
LED display board
Indoor/outdoor control
2-1

SHARP(CHINA)INVESTMENT CO., LTD
2. OUTDOOR UNIT
CPU
Of
power
board
Filter
Unit-unit wiring
(AC power and
serial signals)and
serial signals)
DC +5V
Inrush current protection
Power
Bus capacitance
SPI Communication
Power supply
Power supply +15V
Function select(self
Fan driving circuit
Compressor selection
4-way valve
Function select (System
Power on relay driving circuit
4-way valve relay drive
Fan circuit
COMM
Indoor/outdoor control signal
PFC CPU
PFC Circuit
PFC IGBT Driving Circuit
ExhaustTemp Detection
Compressor shell Temp
ODU Ambient Temp
ODU pipe Temp
EERPOM
Crystal oscillator of
EEPROM circuit
AC detection circuit
AC Voltage Detection
CPU
Of
Module
Board
Bus Voltage detection circuit
Reset circuit
Programmer port
IPM Module
PFC enable circuit
Compressor phase current detection circuit
Compressor over current detection circuit
LED
LED
Crystal oscillator of
Programmer port
LED AC Zero-crossing
Reset Circuit
DC +5V
Terminal of Compressor
20A FUSE
DC +5V2
Bus current detecting circuit
2-2

SHARP(CHINA)INVESTMENT CO., LTD
[2] MICROCOMPUTER CONTROL SYSTEM
1. INDOOR UNIT
1.1. Electronic control circuit diagram
AY-X9PSR/AY-X12PSR
2-3

SHARP(CHINA)INVESTMENT CO., LTD
2
AY-X9PSR/AY-X12PSR
2-4

SHARP(CHINA)INVESTMENT CO., LTD
AY-X9PSR/AY-X12PSR
2-5