General AOH19UA, ASH9UMACW, AOH19USAM2 Service Manual
HIGH POWER MULTI
AIR CONDITIONER
WALL MOUNTED
Models
Indoor unit Outdoor unit
ASH9UMACW AOH19USAM2
ASH9UMACW AOH19UGBB2
type
CONTENTS
SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
ERROR DISPLAY
CIRCUIT DIAGRAM
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM
OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM
DISASSEMBLY ILLUSTRATION
PARTS LIST
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16
SPECIFICATIONS
TYPE COOL & HEAT
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
(kW)
ELECTRICAL DATA
POWER SOURCE (V) 230
FREQUENCY (Hz)
RUNNING CURRENT (A)
INPUT WATTS (kW)
E.E.R. (kW/kW)
MOISTURE REMOVAL
AIR CIRCULATION-Hi (m3/hr)
COOLING 4.6 8.7
HEATING
COOLING
HEATING
COOLING
HEATING
( /hr)
ASH9UMACW ASH9UMACW x 2
AOH19USAM2 AOH19USAM2
2.70 5.40
3.30
50
5.1 9.1
1.01 1.92
1.14 2.03
2.67 2.81
2.89
1.2 2.4
470 470 x 2
6.60
230
50
3.21
ASH9UMACW ASH9UMACW x 2
AOH19UGBB2 AOH19UGBB2
2.70
3.25
230
50
4.6 8.7
5.1 9.1
1.01 1.92
1.14 2.02
2.67 2.81
2.85
1.2 2.4
470 470 x 2
5.40
6.50
230
50
3.22
COMPRESSOR
TYPE
POWER SOURCE
DISCRIMINATION
REFRIGERANT R410A (g) 900 x 2
Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor, Rotary
230V - 50Hz
802 141 65B
FAN MOTOR
POWER SOURCE (V) 230
HI-SPEED (r.p.m.)
INDOOR UNIT
OUTDOOR UNIT (r.p.m.) 720
MED-SPEED (r.p.m.)
LO-SPEED (r.p.m.)
QUIET (r.p.m.)
1,200 / 1,200
1,100 / 1,100
1,000 / 1,000
940 / 940
DIMENSIONS
INDOOR UNIT H x W x D (mm) 257 x 808 x 187
OUTDOOR UNIT 700 x 900 x 350
H x W x D (mm)
WEIGHT
INDOOR UNIT GROSS / NET (kg)
OUTDOOR UNIT 74 / 68
GROSS / NET (kg)
10 / 8
GK 120 PAB
76 / 70
12005.04.12
OUTLINE AND DIMENSIONS
INDOOR UNIT
257
OUTDOOR UNIT
808
80448 48
(Unit : mm)
187
373
333 ~ 352
2
11
900
700
381
(Fan center)
312.5
(Fan center)
350
30
Packed
valve (Liquid)
6.35 x 2
Packed
valve (Gas)
9.52 x 2
22005.04.12
COMPRESSOR-A
3-WAY
VALVE
4-WAY
VALVE
4-WAY
VALVE
2-WAY
VALVE
2-WAY
VALVE
3-WAY
VALVE
ED
SC
C
D
HEAT COOL
THERMISTOR-A
(DISCHARGE PIPE)
COMPRESSOR-B
THERMISTOR-B
(DISCHARGE PIPE)
THERMISTOR-A
(CONDENSER)
THERMISTOR
(PIPE)
EVAPORATOR
EVAPORATOR
THERMISTOR-B
(CONDENSER)
CAPILLARY
TUBE
HEAT EXCHANGER
CAPILLARY
TUBE
Strainer
Strainer
OUTDOOR UNIT
INDOOR UNIT A
INDOOR UNIT B
EXPANSION
VALVE-A
EXPANSION
VALVE-B
UNIT A
THERMISTOR
(PIPE)
E
S
HEAT COOL
UNIT B
REFRIGERANT SYSTEM DIAGRAM
32004.12.07
ERROR DISPLAY
INDOOR UNIT
Fast flashing
:
Operation lamp
Timer lamp : Green lamp
Error contents Error contents
thermistor error Red lamp (2 times) thermistor error (room temp.) Red lamp
control unit error Red lamp (4 times) MANUAL AUTO button error Red lamp
(indoor unit ) Green lamp Green lamp (2 times)
serial error Red lamp (5 times) serial reverse transmission error Red lamp
fan motor error Red lamp (6 times) lock error Red lamp
(indoor unit) Green lamp Green lamp (2 times)
: Red lamp
Green lamp Green lamp (2 times)
Green lamp Green lamp (2 times)
Slow flashing
:
Small division indicationLarge division indication
LED indication LED indication
thermistor error (heat exchanger) Red lamp
Green lamp (3 times)
power source Hz decision error Red lamp
Green lamp (4 times)
serial order transmission error Red lamp
Green lamp (3 times)
r.p.m error Red lamp
Green lamp (3 times)
When an error occurs, "Large division indication" is indicated first.
Secondly, "Small division indication" is indicated by pushing "Test" button of remote controller.
OUTDOOR UNIT
Fast flashing
:
Slow flashing
:
ContentsLED indication
D8
D15
D10 (2 times)
(3 times)
(4 times)
(5 times)
(6 times)
D17
D9 (2 times)
(3 times)
(4 times)
(5 times)
3s ON / 1s OFF repeated
D16 (2 times)
(3 times)
(4 times)
(5 times)
3s ON / 1s OFF repeated
Signal reception (from indoor unit A) error
Signal reception (from indoor unit B) error
Thermistor (discharge pipe) A error
Thermistor (discharge pipe) B error
Thermistor (heat exchanger) A error
Thermistor (heat exchanger) B error
Thermistor (outdoor temp.) error
UNIT A : Heating overload protection
UNIT A : Cooling deicing
UNIT A : Discharge temp. protection
UNIT A : Heating defrost operation
UNIT B : Heating overload protection
UNIT B : Cooling deicing
UNIT B : Discharge temp. protection
UNIT B : Heating defrost operation
Model
information error
0.1s ON/OFF
(All LED blink)
42003.12.03
CIRCUIT DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
UNIT A UNIT B
52004.02.13
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