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CS-E18CKE, CS-E21CKE, CU-E18CKE, CU-E21CKE manual
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Contents
Room Air Conditioner
CS-E18CKE CU-E18CKE
CS-E21CKE CU-E21CKE
CONTENTS
Features
2 Functions
Indoor Unit
Outdoor Unit
Product Specifications
Page
Page
Page
4 Dimensions
Page
5 Refrigeration Cycle Diagram
6 Block Diagram
7 Wiring Diagram
8 Operation Details
8.1.BASIC FUNCTION
Page
8.1.2.Compressor Operation Frequency
8.1.3.Cooling Operation
8.1.3.1.Thermostat control
8.1.4.Soft Dry Operation
8.1.4.1.Thermostat control
8.1.5.Heating Operation
8.1.5.1.Thermostat control
8.1.6.Automatic Operation
8.1.7.Indoor Fan Motor Operation
Page
Page
Page
8.1.8.Outdoor Fan Motor Operation
8.1.9.Airflow Direction
Page
8.1.10. Quiet operation (Cooling Mode/Cooling area of Dry Mode)
8.1.10.1. Quiet operation under Soft Dry operation (Dry area at Dry Mode)
8.1.10.2. Quiet operation (Heating)
8.1.11. Powerful Mode Operation
8.1.12. Delay ON Timer Control
8.1.13. Delay OFF Timer Control
8.1.14. Auto Restart Control
8.1.15. Indication Panel
8.1.16. Auto Operation Switch
8.1.17. Indoor Power Relay Control
8.1.18. Ionizer Operation
8.1.18.1. Ionizer Problem Detection Control
8.1.18.2. Ionizer Operation case study
8.2.Protection Control Features
8.2.1.4.IPM (Power transistor) Prevention Control
8.2.1.5.Compressor Overheating Prevention Control
8.2.1.6.Low Pressure Prevention Control (Gas Leakage Detection)
8.2.1.7.CT Disconnection Detection
8.2.1.8.Low Frequency Protection Control
8.2.1.9.Low Frequency Protection Control
8.2.1.10. Minimum Frequency Protection Control
8.2.2.Protection Control For Cooling & Soft Dry Operation
8.2.2.1.Outdoor Air Temperature Control
8.2.2.2.Cooling Overload Control
8.2.2.3.Anti-FreezingControl
8.2.2.4.Anti-DewFormation Control
8.2.3.Protection Control For Heating Operation
8.2.3.1.Anti Cold Draft Control
8.2.3.2.Intake Air Temperature Control
8.2.3.3.Outdoor Air Temperature Control
8.2.3.4.Overload Protection Control
8.2.3.5.Outdoor Temperature Control
8.2.3.6.Deice Control
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Page
Page
9 Operating Instructions
Page
Page
Page
Page
Page
Page
Page
10 Installation And Servicing Air Conditioner Using R410A
10.1. OUTLINE
10.2. TOOL FOR INSTALLING / SERVICING REFRIGERANT PIPING
10.2.2. R410A Tools
Page
10.2.3. R410A Tools Which Are Usable for R22 Models
10.3. REFRIGERANT PIPING WORK
10.3.3. Storing and managing Piping Materials
10.4. INSTALLATION, TRANSFERRING, SERVICING
10.4.2. Transferring (Using New Refrigerant Piping)
10.4.3. AC Units Replacement (Using Existing Refrigerant Piping)
10.4.5. Recharging Refrigerant During Servicing
Page
10.4.6. Brazing
10.4.7. Servicing Tips
11 Installation Instructions
11.1. Safety Precautions
Page
Page
11.2. INDOOR UNIT
Page
11.2.5. CONNECT THE CABLE TO THE INDOOR UNIT
11.3. OUTDOOR UNIT
11.3.4. EVACUATION OF THE EQUIPMENT (FOR EUROPE & OCEANIA DESTINATION)
11.3.5. CONNECT THE CABLE TO THE OUTDOOR UNIT
11.3.6. PIPE INSULATION
12 Servicing Information
12.1.Troubleshooting
Page
12.2. Breakdown Self Diagnosis Function
Page
12.3. Remote Control
12.4. Indoor Electronic Controllers Removal Procedures
12.5. Cross Flow Fan and Indoor Fan Motor Removal Procedures
Page
12.6. Outdoor Electronic Controller Removal Procedure
13 Technical Data
Page
Page
14 Exploded View
15 Replacement Parts List
16 Exploded View
17 Replacement Parts List
18 Electronic Circuit Diagram
Page
Page
CU-E18CKE CU-E21CKE
Page
Page
Page
Page
Page
Page
18.1. REMOTE CONTROL
18.2.PRINT PATTERN
INDOOR UNIT PRINTED CIRCUIT BOARD
18.3.PRINT PATTERN
OUTDOOR UNIT PRINTED CIRCUIT BOARD VIEW
