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AU*54LUAS
Fujitsu AU*54LUAS User Manual
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SPLIT TYPE
ROOM AIR CONDITIONER
CASSETTE
type
Models
Indoor unit
Outdoor unit
AU*24LUAR
AU*30LUAS
AU*36LUAS
AU*45LUAS
AU*54LUAS
AO*24LMAKL
AO*30LMAWL
AO*36LMAWL
AO*45LJBYL
AO*54LJBYL
INVERTER
SER
VICE
INSTRUCTION
R410A
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 Specifications
5
Specifications
5
2 Dimensions
7
Dimensions
11
3 Refrigerant System Diagram
15
Refrigerant Circuit
16
Outdoor Unit
17
4 Circuit Diagram
19
Circuit Diagram
19
5 Description of each Control Operation
25
Cooling Operation
26
Cooling Capacity Control
26
Heating Operation
27
Heating Capacity Control
27
Dry Operation
28
Indoor Unit Control
28
Auto Changeover Operation
29
Indoor Fan Control
30
Outdoor Fan Control
32
Louver Control
33
Compressor Control
34
Timer Operation Control
36
Electronic Expansion Valve Control
38
Test Operation Control
38
Prevent to Start for 3 Minutes (3 Minutes St)
38
4-Way Valve Extension Select
38
Auto Restart
38
PUMP down (for AU*30/ 36/ 45/ 54LUAS)
39
Compressor Preheating
39
Defrost Operation Control
40
Drain Pump Operation
43
Energy Save Function
43
Various Protections
44
6 Refrigerant Caution -R410A
47
R410A Tools
48
Precaution for Installation
49
Refrigerant Charge
50
Precaution for Servicing
51
New Refrigerant R410A
52
Defference from Conventional Model (R22) and Precautions
55
7 Trouble Shooting
56
Error Display
57
Wired Remote Controller Display
57
Outdoor Unit Display
59
Trouble Shooting with Error Code
60
Trouble Shooting with no Error Code
80
Service Parts Information
85
8 Appending Data
91
Capacity Table
92
Operation Range
97
Electric Characteristics
98
Safety Device
100
Function Setting
102
Indoor Unit
102
Outdoor Unit (Ao*30/ 36Lmawl)
104
Outdoor Unit (Ao*45/ 54Ljbyl)
106
Wired Remote Controller
108
Group Control Setting
109
9 Installation Manual
110
Installation Instruction
113
10 Replacement Parts
118
REPLACEMENT PARTS ( for OUTDOOR UNIT )
118
Wiring
120
Disassembly Process
121
For AO*30/ 36LMAWL
125
Wiring
127
Disassembly Process
128
ASSEMBLY PROCESS of INVERTER UNIT
133
For AO*45/ 54LJBYL
138
Wiring
140
Disassembly Process
142
ASSEMBLY PROCESS of INVERTER UNIT
148
REPLACEMENT PARTS ( for INDOOR UNIT )
153
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Fujitsu AU*54LUAS Specifications
General
Cooling Capacity (kW)
5.4
Refrigerant
R32
Cooling Capacity
5.4 kW
Power Supply
220-240 V, 50 Hz
Outdoor Unit Noise Level
50 dB(A)
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