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ASYA09LGC
Fujitsu ASYA09LGC Service Instruction
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REFRIGERANT SYSTEM DIAGRAM
Models : AS*A07LGC / AO*R07LGC
AS*A09LGC / AO*R09LGC
AS*A12LGC / AO*R12LGC
AS*A14LGC / AO*R14LGC
03-01
2-Way valve
Strainer
Strainer
3-Way valve
Muffler
Muffler
4-Way valve
Expansion valve
Refrigerant direction
Heat exchanger
(indoor unit)
Heat exchanger
(outdoor unit)
Compressor
Cooling
Heating
For AS*A07/ 09/ 12LGC
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)
For AS*A14LGC
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.7 mm)
10
12
Table of Contents
Default Chapter
2
Table of Contents
2
Specification
4
Specifications
5
Electrical Data
5
Fan Motor
5
Noise Level
5
Dimensions
7
As*A09/12Lgc, Ao*R09/12Lgc
8
Refrigerant System Diagram
10
Circuit Diagram
12
Description of each Control Operation
15
Cooling Operation
16
Heating Operation
17
Dry Operation
18
Auto Changeover Operation
19
Indoor Fan Control
20
Outdoor Fan Control
22
Louver Control
23
Compressor Control
24
Timer Operation Control
25
Electronic Expansion Valve Control
27
Test Operation Control
27
Prevent to Restart for 3 Minutes ( 3 Minutes St )
27
Four-Way Valve Extension Select
27
Auto Restart
27
MANUAL AUTO OPERATION ( Indoor Unit Body Operation )
28
Compressor Preheating
28
Coil Dry Opeartion Control
28
Defrost Operation Control
29
Off Defrost Operation Control
31
C Heat Operation
31
Various Protections
32
Refrigerant Caution -R410A
34
R410A Tools
35
Precaution for Installation
36
Refrigerant Charge
37
Precaution for Servicing
38
New Refrigerant R410A
39
Defference from Conventional Model(R22) and Precautions
42
Trouble Shooting
43
When the Unit Does Not Operate at All
43
Self Diagnosis Function
45
Self-Diagnosis Function and Checking Points
46
Serial Signal Diagnosis
46
Ipm Protection
51
Trouble Shooting of Refrigerant Cycle
52
Appending Data
53
Function Setting
53
Jumper Setting of Outdoor Unit
53
Procedures to Change the Function Setting for Wireless Rc
55
Selecting the Remote Control Unit Signal Code
55
Outdoor Unit Pressure Value and Total Electric Current Curve
57
Thermistor Resistance Values
61
Capacity/ Input Data
62
Replacement Parts
66
Installation Manual
77
Electrical Requirement
80
Selecting the Mounting Position
80
Indoor and Outdoor Units
80
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Fujitsu ASYA09LGC Specifications
General
Brand
Fujitsu
Model
ASYA09LGC
Category
Air Conditioner
Language
English
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