Sharp AH-PS19 User manual

SERVICE MANUAL

AH-PS19

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. 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........ 2-1

[2] FUNCTIONS .................................................. 2-5

CHAPTER 3. TROUBLESHOOTING GUIDE

[1] SELF-DIAGNOSIS FUNCTION AND DIS-

PLAY MODE .................................................. 3-1

[2] CONTROL CIRCUIT ...................................... 3-2

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

TopPage

CONTENTS

S3214A3AHAP8LMBT

SPLIT TYPE

ROOM AIR CONDITIONER

OUTDOOR UNIT

AU-PS19

AU-PS24

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.

AH-PS19

1–1

2. AH-PS19 , AU-PS19

Note: The condition of star ( ) marked item are ‘TIS2134-2545’.

ITEMS TINUROODTUOTINUROODNI

-PS19UA-PS19HA

Cooling capacity 2.5Wk

Moisture removal 8.1h/sretiL

Electrical data

elgniS-esahP

05zHycneuqerfdetaR

022VegatlovdetaR

Rated current 7.7A

Rated input 609.1

Rated factor 89%

epytyratordelaesyllacitemreHepyTrosserpmoC

R433VU+5ASI55ledoM

]TNELAVIUQEroDSG4OSINUS[cc560egrahcliO

epytebutd

evoorGdnanifrevuoLrotaropavEmetsystnaregirfeR

epytebutdevoorGdnanifrevuoLresnednoC

ebutyrallipaClortnoC

g154022Remulo

vtnaregirfeR

A/Nmetsysecl-eD

Noise level

(at cooling)

4564)A(BdhgiH

-44)A(BdwoL

-73)A(BdtfoS

Fan system

Drive Direct drive

Air flow quantity

(at cooling)

Turbo m3/min. 9.937.81

High m3/min. 18.2

Low m3/min. 16.4

Soft m3/min. 13.7

nafrelleporPnafwolfssorCnaF

Connections

epyteralFgnilpuoctnaregirfeR

"4/1,"8/5diuqiL,saGezisebuttnaregirfeR

Drain piping mm O.D 20

Others

tcetorplanretnI:rosserpmoCecivedytefaS

Fan motors: Thermal protector (Internal)

Fuse, Micro computer control

)elbahsaW(tenenelyporpyloPsretlifriA

0980401mmhtdiWsnoisnemidt

546523mmthgieH

092222mmhtpeD

4541gkthgiewteN

AH-PS19

1–2

2. AH-PS24 , AU-PS24

Note: The condition of star ( ) marked item are ‘TIS2134-2545’.

ITEMS TINUROODTUOTINUROODNI

U-PS24AH-PS24A

Cooling capacity 5.6Wk

Moisture removal 4.2h/sretiL

Electrical data

elgniS-esahP

05zHycneuqerfdetaR

022VegatlovdetaR

Rated current 9.6A

Rated input 2.012Wk

Rated factor 8

epytyratordelaesyllacitemreHepyTrosserpmoC

QP390PAAledoM

]TNELAVIUQEroDSG4OSINUS[cc007egrahcliO

epytebutdevoo

rGdnanifrevuoLrotaropavEmetsystnaregirfeR

epytebutdevoorGdnanifrevuoLresnednoC

ebutyrallipaClortnoC

g054

122Remulov

tnaregirfeR

A/Nmetsysecl-eD

Noise level

(at cooling)

6564)A(BdhgiH

-44)A(BdwoL

-73)A(BdtfoS

Fan system

Drive Direct drive

Air flow quantity

(at cooling)

Turbo m3/min. 507.81

High m3/min. 18.2

Low m3/min. 16.4

Soft m3/min. 13.7

nafrelleporPnafwolfssorCnaF

Connections

epyteralFgnilpuoctnaregirfeR

"4/1,"8/5diuqiL,saGezisebuttnaregirfeR

Drain piping mm O.D 20

Others

tcetorplanretnI:rosserpmoCecivedytefaS

Fan motors: Thermal protector (Internal)

Fuse, Micro computer control

)elbahsaW(tenenelyporpyloPsretlifriA

0080401mmhtdiWsnoisnemidt

890523mmthgieH

320222mmhtpeD

5541gkthgiewteN

AH-PS19

1–3

[2] EXTERNAL DIMENTIONS

1. Indoor unit

2. Outdoor unit (AU-PS19)

222

1100

Power supply cord

(AH-PS19 only)

[Length unit : mm]

325

1040

Remote controller

18.5

140

INVERTER AIR CONDITIONER

TEMP.

MODE

FAN

TIMER

570

645

202

122

320

342

09209833

172 25

46.3

10.5

ø4.5

AH-PS19

1–4

3. Outdoor unit (AU-PS24)

[3] WIRING DIAGRAMS

1. Indoor unit

1.1. AH-PS19

CLUSTER GENERATOR,CN6

LOUVER MOTOR(VERTICAL),CN3

USE

NONE NONE

NONE

AH-AP18KSY

AH-AP18KMV

AH-A18KEY

AH-A18KEV

AH-PS19

1–5

1.2. AH-PS24

2. Outdoor unit

2.1. AU-PS19

2.2. AU-PS24

CLUSTER GENERATOR,CN6

LOUVER MOTOR(VERTICAL),CN3

USE

NONE NONE

NONE

AH-AP24KSY

AH-AP24KMV

AH-A24KEV

CC559

CC547

AH-PS19

1–6

[4] ELECTRICAL PARTS

1. Indoor unit

2. Outdoor unit

snoitacificepSsmetIemaNtraP.oNtraP

AH-PS19 AH-PS24

1 Terminal Board Rating 300V 25A

3 Relay-1

(RY1)

Rating AC250V 20A

Coil Volt.; 12V —

4 Relay-2

(RY4)

Rating —AC250V 5A

Coil Volt.; 12V

5 Printed Wiring Board Material Paper Base Phenolic Resin (UL 94V-0)

7 Fan motor Rating DC 340V, 32W, 8-Poles

Type MLB420

8 Power Supply Cord Rating 3G 1.5mm2—

—F-VV50HepyT

9 Louver Motor Rating DC12V 250

Type 35BYJ46-509

Part

No.

snoitacificepSsmetIemaNtraP

AU-PS19 AU-PS24

A52V003gnitaRdraoBlanimreT1

3V054gnitaRroticapaCrotomnaF2 3V054μF

53V004gnitaRroticapaCgninnuR3 50V004

4 Compessor Rating AC220 - 240V 50Hz 1601W AC220 - 240V 50Hz 2471W

QP390PAAISA5+UV334R05epyT

LANRETNIrotcet

orP

5 Fan motor Rating 220 - 240VAC 50Hz 46W 6-Pole 220 - 240VAC 50Hz 48W 6-Pole

824BLM3284BLMepyT

Thermal protector

(Internal)

Cut off 135°C±5°C

6 Relay 4 Rating —AC250V 30A

Coil volt: 200 -240V

μF

AH-PS19

2–1

AHAP18KSY Service Manual

CHAPTER 2. EXPLANATION OF CIRCUIT AND OPERATION

[1] MICROCOMPUTER CONTROL SYSTEM

1. Electronic control circuit diagram

1.1. AH-PS19

AH-PS19

2–2

1.2. AH-PS24

AH-PS19

2–3

2. Printed wiring diagram

2.1. AH--PS19

TO EVAPORATOR AND TERMINAL BOARD "E"

TO TERMINAL BOARD

"N"

FROM

POWER SUPPLY COAD

"BROWN"

FROM

TERMINAL BOARD

"1" "BLACK"

FROM FAN MOTOR

FROM

CLUSTER

GENERATOR

[AH-AP18KSY/ KMV]

FROM THERMISTOR

FROM LOUVER

MOTOR

FROM TERMINAL BOARD

THERMAL FUSE RY1 (CN12)

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