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Fujitsu ASU12RLF Service Instruction
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3. Inverter Box removal
Remove the 6 mounting screws.
Remove the power supply & connection cord.
Remove the connectors connected to Main PCB. (Thermistor
, EEV
, and so on)
Remove the Inverter Box upward.
03-04
Inverter Box
REAR VIEW
FRONT VIEW
83
85
Table of Contents
Table of Contents
2
Description of each Control Operation
3
Capacity Control
4
Auto Changeover Operation
4
Indoor Fan Control
6
Louver Control
15
Outdoor Fan Control
20
Timer Operation Control
21
Compressor Control
24
Electronic Expansion Valve Control
25
Test Operation Control
25
Prevent to Restart for 3 Minutes ( 3 Minutes St )
25
Way Valve Extension Select
26
Auto Restart
26
Manual Auto Operation
26
Compressor Preheating
27
Powerful Operation
27
Fresh Air Control
28
External Electrical Heater Control
28
Drain Pump Operation
29
Defrost Operation Control
30
Various Protections
33
Trouble Shooting
35
Error Display
36
Indoor Unit Display
36
Wired Remote Controller Display
37
Outdoor Unit Display
38
Trouble Shooting with Error Code
39
Trouble Shooting with no Error Code
69
Service Parts Information
74
Replacement Parts
80
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Fujitsu ASU12RLF Specifications
General
Brand
Fujitsu
Model
ASU12RLF
Category
Air Conditioner
Language
English
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