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Manuals
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Fujitsu Manuals
Air Conditioner
ASTG18KMTC
Service instruction
Fujitsu ASTG18KMTC Service Instruction
Split type room air conditioner wall mounted type inverter
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Operating manual
(16 pages)
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Table Of Contents
90
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Description of each Control Operation
Cooling Operation
Cooling Capacity Control
Limit of Maximum Frequency Based on Outdoor Temperature
Heating Operation
Heating Capacity Control
Dry Operation
Indoor Unit Control
Auto Changeover Operation
Operation Flow Chart
Indoor Fan Control
Fan Speed
Fan Operation
Cool Air Prevention Control
Moisture Return Prevention Control
Defrost Operation
Outdoor Fan Control
Outdoor Fan Motor
Louver Control
Vertical Louver Control
Horizontal Louver Control
Swing Operation
Compressor Control
Opeartion Frequency Range
Opeartion Frequency Control at Start up
Timer Opeartion Control
Program Timer
Sleep Timer
In the Cooling Operation Mode
In the Heating Operation Mode
Weekly Timer
Electronic Expansion Valve Control
Test Operation Control
Way Valve Extension Select
Auto Restart
Prevent to Restart for 3 Minutes ( 3 Minutes St )
Forced Cooling Operation
Compressor Preheating
10°C Heat Operation
MANUAL AUTO OPERATION ( Indoor Unit Body Operation )
Economy Operation
Human Sensor
Outdoor Unit Low Noise Operation
Powerful Operation
Defrost Operation Control
Condition of Starting the Defrost Operation
Condition of the Defrost Operation Completion
Defrost Flow Chart
Heating Operation Start : Compressor on
Off Defrost Opeartion Control
Off Defrost Operation Condition
Off Defrost End Condition
Various Protections
Discharge Gas Temperature Overrise Prevention Control
Current Release Control
Antifreezing Control
Cooling Pressure Overrise Protection
High Temperature Release Control
Demand Response Operation
Trouble Shooting
Troubleshooting
Error Display
Indoor Unit and Wired Remote Controller Display
Wireless Lan Indicator Display
WIRELESS LAN CONTROL System Layout
Name of Parts
Wireless Lan Adapter Indicator
Error Code
MOBILE APP DISPLAY (for AIR CONDITIONER)
MOBILE APP DISPLAY (in Wireless LAN Control System)
Registration Errors (for Ios)
General Errors (for Android)
General Errors (for Ios)
Sign-In Errors (for Android/Ios)
Reset the Power and Operate
Check Connection
Check the Voltage of Power Supply
TROUBLE SHOOTING with ERROR CODE (for WIRELESS LAN ADAPTER)
Room Temp. Sensor Error
Indoor Unit Heat Ex. Middle Temp. Sensor Error
Indoor Unit Fan Motor Error
Outdoor Unit Main PCB Model Information Error
Inverter Error
PFC Circuit Error
Trip Terminal L Error
Discharge Temp. Sensor Error
Outdoor Unit Heat Ex. Liquid Temp. Sensor Error
Outdoor Temp. Sensor Error
Current Sensor Error
High Pressure Switch Error
Trip Detection
Compressor Rotor Position Detection Error
Outdoor Unit Fan Motor Error
4-Way Valve Error
Discharge Temp. Error
Trouble Shooting with no Error Code
Indoor Unit - no Power
Outdoor Unit - no Power
No Operation (Power Is ON)
No Cooling / no Heating
Abnormal Noise
Water Leaking
INDOOR UNIT Error Method
Network Communication Error
Wireless LAN Adapter PCB
Turn on Power Again of Air Conditioner
Replace Wireless LAN Adapter
Wireless LAN Adapter Non-Energized
De-Registration Method
Paring Method
Manual Mode
Service Parts Information
Inverter Compressor
Outdoor Unit Electronic Expansion Valve
Appending Data
Function Setting
Filter Sign
Room Temperature Control for Indoor Unit Sensor
Room Temperature Control for Wired Remote Controller Sensor
Room Temperature Sensor Switching
External Input Control
Indoor Unit Fan Control for Energy Saving for Cooling
Remote Controller Custom Code
Entering the Function Setting Mode
Procedures to Change the Function Setting for Wireless RC
Selecting the Function Number and Setting Value
Selecting the Remote Controller Custom Code
Thermistor Resistance Values
Indoor Unit
Outdoor Unit
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Quick Links
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Heating Operation
2
Trouble Shooting
3
Error Display
4
Trouble Shooting with Error Code (for Wireless Lan Adapter)
Download this manual
SERVICE
INSTRUCTION
SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED
INVERTER
Models
Indoor Unit
ASTG18KMTC
ASTG22KMTC
ASTG24KMTC
type
Outdoor Unit
AOTG18KMTC
AOTG22KMTC
AOTG24KMTC
1810S0128̲02
2019.02.27
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Table of Contents
Troubleshooting
Trouble shooting
25
Troubleshooting
26
Reset the power and operate
35
Trouble shooting with no error code
58
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This manual is also suitable for:
Astg22kmtc
Astg24kmtc
Aotg18kmtc
Aotg22kmtc
Aotg24kmtc
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