Contents
Ceiling Cassette Air Conditioner
Table of Contents
Indoor units
Models List
Outdoor units
Local model name
Installation
Safety Precautions
Defective installation stand
Do not install, remove, or re
Operational
Do not let electric parts of the product get wet
Be cautious that water could not enter the product
Thinner
Keep level even when installing the product
Use two or more people to lift and transport the product
Do not step on or put anyting on the product. outdoor units
Features & Benefits
Space Control
Swirl Swing
Auto Restart Operation
Two Thermistor Control
Zero Standby Power
Time Delay Safety Function
High Ceiling Operation
Water Drain Pump
Ceiling Cassette
List of Functions
Nd F Button
Function of Remote Control
Wireless LCD Remote Control
Wired LCD Remote Control
Indoor unit type Ceilling Cassette 4way Model
Specifications
AT-C243HLFO AT-C343HLFO
Model No. LCN240CP/LC240CPI/LCN340CP/LC340CPI
Dimensional Drawings
Model No. LCU240CP/LC240CPO
Model No. LCU340CP/LC340CPO
Indoor Unit
Wiring Diagrams
LCU340CP/LC340CPO
Outdoor Unit
Cooling Only Models
Refrigerant Cycle Diagrams
Select the best location
Installation
Indoor Unit
Outdoor Unit
Settlement of outdoor unit
Indoor Unit Installation
24k/34k Btu/h 1Ø Cooling & Heating type
Wiring Connection
Air conditioner unit Piping side
Installation of Decoration Panel
Heat Insulation
Heat Insulation and pipings
Drain test
Drain Pipe Work
Drain Piping of Ceiling Cassette
Test running
Precautions in Test RUN
Evaluation of the performance
Connection of power supply
Two Thermistor System
Optional Operation
Procedure
Adjusting air volume to the height of ceiling
Wiring design
Remote Controller
Trouble analysis
Troubleshooting Guide
Cycle Troubleshooting Guide
Trouble
Electronic Parts Troubleshooting Guide
Product doesnt operate with the remote controller
When cooling does not operate
When indoor Fan does not operate
Trouble 5 When Vertical Louver does not operate
Outdoor Error
Indoor Error
Error Indicator
Self-diagnosis Function
Check Point
Troubleshooting CH01, CH02, CH06
Troubleshooting CH03
Troubleshooting CH04
Troubleshooting CH05, CH53
Troubleshooting CH24, CH25
Constant
Troubleshooting CH32, CH33
Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65
Troubleshooting CH51, CH60
Troubleshooting CH61, CH62
Way Valve Liguid Side Way Valve Gas Side
Way Valve
Pumping down
Procedure
Air purging of the charge hose
Set the liquid side valve to the closed position
All amount of refrigerant leaked
Mount the valve caps and the service port caps
Evacuation
Gas Charging
Mount the valve stem nuts and the service port nut
After Evacuation
Connect the gauge to the charging cylinder
Main P.C.B ASM
Electronic Control Device
Model No. LCN240CP/LCN340CP
Exploded View and Replacement Parts List
Description Remarks
Parts List
Model No. LCU240CP
Description Remarks LCU240CP / LC240CPO
Model No
Description Remarks LCU340CP / LC340CPO
Model No. PT-CDC1
Description Remarks PT-CDC1
No A20911A