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ASYB12LDC
Fujitsu ASYB12LDC User Manual
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7
.
TROUBLE
SHOOTING
R410A
W
ALL
MOUNTED
type
INVER
TER
1.
When
the
unit
does
not
operate
at
all
(Operation
lamp
and
T
imer
lamp
do
not
light
up)
2.
Self
Diagnosis
Function
(Either
Operation
lamp
or
T
imer
lamp
is
blinking)
*
How
to
operate
the
self-diagnosis
function
*
Self-
diagnosis
table
and
Check
points
3.
T
rouble
shooting
method
*
Serial
signal
check
*
IPM
protection
check
*
Refrigeration
cycle
diagnosis
49
51
Table of Contents
Default Chapter
1
Room Air Conditioner
1
Wall Mounted
1
Table of Contents
2
Specification
4
Dimensions
8
Asya07/09Lcc, Aoyr07/09Lcc
9
Asya12Lcc, Aoyr12Lcc
12
Refrigerant System Diagram
13
Circuit Diagram
17
Description of each Control Operation
22
Cooling Operation
23
Heating Operation
24
Dry Operation
25
Indoor Unit Control
25
Auto Changeover Operation
26
Indoor Fan Control
27
Outdoor Fan Control
29
Louver Control
30
Compressor Control
31
Timer Operation Control
32
Electronic Expansion Valve Control
34
Test Operation Control
34
Prevent to Restart for 3 Minutes ( 3 Minutes St )
34
Four-Way Valve Extension Select
34
Auto Restart
34
MANUAL AUTO OPERATION ( Indoor Unit Body Operation )
35
Compressor Preheating
35
Coil Dry Opeartion Control
35
Defrost Operation Control
36
Off Defrost Operation Control
38
Various Protections
39
Refrigerant Caution -R410A
41
R410A Tools
42
Precaution for Installation
43
Precaution for Servicing
45
New Refrigerant R410A
46
Defference from Conventional Model(R22) and Precautions
49
Heat Exchanger
49
Trouble Shooting
50
When the Unit Does Not Operate at All
50
Self Diagnosis Function
52
Self-Diagnosis Function and Checking Points
53
Ipm Protection
58
Trouble Shooting of Refrigerant Cycle
59
Appending Data
60
Jumper Setting of Indoor Unit and Outdoor Unit
60
Outdoor Unit Pressure Value and Total Electric Current Curve
60
Capacity/Input Data
60
Thermistor Resistance Values
68
Replacement Parts
79
Installation Manual
103
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Fujitsu ASYB12LDC Specifications
General
Brand
Fujitsu
Model
ASYB12LDC
Category
Air Conditioner
Language
English
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