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AR 18LUAD Series
Fujitsu AR 18LUAD Series User Manual
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08-22
8-5-5 OUTDOOR UNIT ( AO*30/ 36LMAWL/ AO*45/ 54LJ*YL )
Outdoor unit control circuit board
SWITCH POSITION
Pump down sw
itch
Change current capacity
No use (OFF)
1
OUTDOOR UNIT
2
3
DIP SW 1
PUSH SW
PUSH SW
1
DIP SW 1
OFF
ON
2
3
113
115
Table of Contents
Table of Contents
2
Specifications
5
Dimensions
6
Dimensions
11
Refrigerant System Diagram
17
Refrigerant Circuit
18
Circuit Diagram
21
Description of each Control Operation
28
Cooling Operation
29
Cooling Capacity Control
29
Heating Operation
30
Heating Capacity Control
30
Dry Operation
31
Indoor Unit Control
31
Auto Changeover Operation
32
Indoor Fan Control
33
Outdoor Fan Control
35
Compressor Control
36
Timer Operation Control
38
Electronic Expansion Valve Control
40
Test Operation Control
40
Prevent to Start for 3 Minutes (3 Minutes St)
40
4-Way Valve Extension Select
40
Auto Restart
40
PUMP down (for AR*30/ 36/ 45LUAN/ 45/ 54LUAK)
41
Compressor Preheating
41
Fresh Air Control
41
External Electrical Heater Control
41
Defrost Operation Control
42
Energy Save Function
45
Various Protections
46
Refrigerant Caution -R410A
49
R410A Tools
50
Precaution for Installation
51
Precaution for Servicing
53
New Refrigerant R410A
54
Defference from Conventional Model (R22) and Precautions
57
Trouble Shooting
58
Error Display
59
Wired Remote Controller Display
59
Outdoor Unit Display
61
Trouble Shooting with Error Code
62
Trouble Shooting with no Error Code
81
Service Parts Information
86
Appending Data
92
Capacity Table
93
Operation Range
97
Electric Characteristics
98
Safety Device
100
Function Setting
102
Indoor Unit (Ar*18Luad)
102
Indoor Unit (Ar*24Luan)
105
Indoor Unit (Ar*30/ 36/ 45Luan)
108
Indoor Unit (Ar*45/ 54Luak)
111
Outdoor Unit (Ao*30/ 36Lmawl/ 45/ 54Lj*Yl)
114
Wired Remote Controller
116
Installation Manual
118
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Fujitsu AR 18LUAD Series Specifications
General
Brand
Fujitsu
Model
AR 18LUAD Series
Category
Air Conditioner
Language
English
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