Room Air Conditioner
Table of Contents
Do not use damaged power cords, plugs, or a loose socket
Safety Precautions
Installation
Install the panel and the cover
Do not install the product on a defective installation stand
Operation
Do not use the product in a tight
When flammable gas leaks, turn
Do not place a heater or other
Sounds, odors, or smoke comes
Keep level even when installing
That water is drained away prop
Cial purposes, such as preserv
Product when removing
Do not use the product for spe
Ing foods, works of art, etc. It is a
Outlet while the air conditioner is
Disuse
It is not sanitary and could cause
Symbols Used in this Manual
Dimensions
Indoor Unit
Outdoor Unit
9k, 12k Models
Product Specifications
Models
Installation Parts
Installation
Installation Tools
Installation Map
Confirm The Refrigerant
This Product Contains R-410A Refrigerant
Indoor unit
Rooftop Installations
Select the best Location
Outdoor unit
Oil trap should be installed every 16.4~23feets 5~7 meters
Piping Length and Elevation
Cover pipe and cover side remove
Preparing Work for Installation
Open panel front
Drain hose junction
Fixing Indoor Unit
Pipe and the wire. Refer to installation
Case of nothing wrong, connect
Flaring work and connection of piping
Flaring Work
Indoor
Connecting the Piping
Check
Foamed polyethylene or equivalent is recommended
Wrap the insulation material around the connecting portion
Indoor unit tubing Flare nut Pipings
For right piping. Follow the instruction below Good case
Bad case
Connection of Piping -Outdoor
Connecting the Cables
Connection method of the connecting cableExample
How to connect wiring to the terminals
Connecting the cable between indoor unit and outdoor unit
To check the drainage
Checking the Drainage
Drain piping
Forming the Piping
Air purging
Air Purging
Air purging with vacuum pump
Evacuation
Soap water method
Finishing the job
Charging
Panel Front Assembly
Settlement of outdoor unit
Prepare remote controller
Test Running
Evaluation of the performance
Pump Down Procedure
Pump Down
How to replace picture & photograph
Operation
Functions
Cooling Operation Mode
Time delay Safety Control
Chaos Swing Mode
Function of main control
Auto Operation Electronic control mode
Auto Operation for Cooling
Auto Operation for Dehumidificationonly Heating Model
Healthy Dehumidification
Auto Operation for Heatingonly Heating Model
Heating Operation Modeonly Heating Model
Hot-Start Control
Cooling Mode with the Sleep Mode
Cooling or Heating Mode with Sleep Mode Auto Control
Heating Mode with the Sleep Modeonly Heating Model
Cooling Heat pump Model
Auto restart
Forced Operation
Test operation
Self-diagnosis Function
Signal Receptor
Display Function
Operation Indication Lamps
Controls
Remote Control Operations
Nd F Button
To remove the Grille from the Chassis
Disassembly
To remove the Control Box
Before removing the Turbo Fan
To remove the Evaporator. Remove hole tubing holde
To remove the Motor
Schematic Diagram
Heat Pump/Cooling Only SeriesIndoor Unit
Heat Pump Series/ Cooling Only Series Outdoor Unit
Indoor Unit P.W.B. Assembly
No A20999A PCB ASSEMBLY, Main Top View Bottom View
Outdoor Unit P.W.B. Assembly
No A20901C PCB ASSEMBLY, Main Top View Bottom View
No A20921A PCB Assembly
Display P.W.B. ASM
Wiring Diagram
Outdoor UnitCooling Only Models, & Heating Models
Troubleshooting Guide
Refrigeration Cycle Diagram
Piping Length and Elevation
Pumping Down
Procedure
Way Valve
Air purging of the charge hose
Re-air purging
Balance refrigerant of the 3-way valve
Gas leakage
Evacuation
All amount of refrigerant leaked
Connect the charge hose to the charging cylinder
Gas Charging
After Evacuation
Purge the air from the charge hose
According to Indoor & Outdoor Temperature
Method of using graph
Method of using equation
Additional gas charging
Cycle Parts
Trouble analysis
Electronic Parts 9k model
Product does not operate at all
Product is not operate with the remote controller
Compressor/Outdoor Fan are unable to drive
When indoor Fan does not operate
Nector
When Vertical Louver does not operate
When a comunication error occurs
Phenomena in case of connecting error
Indoor Unit
Outdoor Unit
Voltage of Connectors according to Indoor Fan Speed
RY-COMP-B
Exploded View
Indoor Unit
Outdoor Unit
Replacement Parts List
Parts ListIndoor
Parts ListOutdoor
December No A20926C