Contents
SVC MANUALExploded View
Table of Contents
Safety Precautions
Installation
Do not modify or extend the power cord
Be sure not to do Be sure to follow the instruction
Operation
Oxygen deficiency could occur
There is risk of explosion or fire
Keep level even when installing the product
Low refrigerant levels may cause product failure
Occupants
Salt spray directly
Solvents, etc
On the product. outdoor unit
Do not drink the water drained from the unit
Disuse
Replace all the batteries in the remote
Dimensions
Symbols Used in this Manual
Indoor Unit
Model Btu Series
Model Btu Series Dimension Mminch 109042.9 30011.8 1787.0
Outdoor Unit
9k, 12k
18k, 24k
Features
Introduction
Installation
Installation Parts
Installation Tools
Read carefully, and then follow step by step
Operation Indication Lamps
Installation Map
Additional drain pipe
Confirm The Refrigerant
This Product Contains R-410A Refrigerant
Rooftop Installations
Select The Best Location
Indoor unit
Outdoor unit
Piping Length And Elevation
Evap Moz/ft
How To Mount Installation Plate
Drill a Hole In The Wall
Flaring Work
Cut the pipes and the cable
Burrs removal
Putting nut on
Indoor unit installation
Connecting The Piping
Indoor
Wrap the insulation material around the connecting portion
Tighten the flare nut with a wrench
Indoor unit installation
Insert the connecting cable into the indoor unit
Connecting cable
Connection Indoor
Correct case
Incorrect case
Connection Of The Drain Hose
Connection Of Piping -Outdoor
Connection Of The Cable
Capacity
Installation
Checking The Drainage
Drain piping
Drain hose should point downward for easy drain flow
Avoid these situations
Forming The Piping
Dry nitrogen gas cylinder to this service port
Air Purging
Air purging With Vacuum Pump
Preparation
Evacuation
Finishing the job
Charging
Btu/h
Prepare remote control
Test Running
Settlement of outdoor unit
Evaluation of the performance
Cooling Mode Operation
Healthy Dehumidification Mode
Operation
Function of Controls
Heating Mode Operation
Defrost Control
Sleep Timer Operation
Chaos Natural Wind Mode
Jet Cool Mode Operation C/O Model
Jet Cool Mode Operation H/P Model
Forced operation
Test operation
Auto restart
Protection of the evaporator pipe from frosting
Display Function
Self-diagnosis Function
Heating Model
Thermistor open/short
Remote Control Operations
Disassembly
To remove the Grille from the Chassis
When repair, do not damage the Caution label
To remove the Evaporator
To remove the Motor Cover
Troubleshooting Guide
Refrigeration Cycle Diagram
Cooling Only Models
Cooling & Heating Models
Way, 3-way Valve
Way Valve Liquid Side
Procedure
Pumping Down
Balance Refrigerant of the 3-way Valve
Vacuum pump
Gas Charging
After Evacuation
Method of using graph
Method of using equation
According to Indoor & Outdoor Temperature
Additional gas charging
Cycle Parts
Trouble analysis
Electronic Parts 9k model
Product does not operate at all
Electronic Parts 18k model
Product is not operate with the remote controller
Compressor/Outdoor Fan are unable to drive.9k Model
Compressor/Outdoor Fan are unable to drive.18k Model
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
Schematic Diagram
Electric Control Device
Outdoor 9k, 12k
Outdoor 18k, 24k
Wiring Diagram
Models 9k, 12k, 18k, 24k
Models 9kC/O Models 12kH/P, 12kC/O, H/P
Models 18kC/O Models 18kH/P, 24kC/O, H/P
Main P.W.B Assembly TOP View Bottom View
Components Location
Outdoor9k, 12k
TOP View Bottom View
Outdoor18k, 24k
6871A20681
6871A20680
Product Specifications
Cooling Only
Cooling & Heating
LS090HP LS120HP LS180HP LS240HP
Exploded View
Outdoor Unit 9k, 12k C/O Seriess
Outdoor Unit 9k, 12k H/P Seriess
Outdoor Unit 18kC/O Seriess
Outdoor Unit 24kC/O Seriess
W0CZZB
Outdoor Unit 18k, 24k H/P Seriess
No MFL32351801 December