10.2. Indoor Unit 35
10.3. Outdoor Unit 39
11 Installation And Servicing Air Conditioner Using R410A 42
11.1. Outline 42
11.2. Tools For Installing/Servicing Refrigerant Piping 43
11.3. Refrigerant Piping Work 47
11.4. Installation, Transferring, Servicing 49
12 Servicing Information 53
12.1. Distinction Of Lead Free (PbF) Printed Circuit Board 53
12.2. Indoor Electronic Controllers Removal Procedures 53
12.3. Cross Flow Fan and Indoor Fan Motor Removal
Procedures 54
12.4. Remote Control Reset 55
12.5. Auto OFF/ON Button 56
13 Troubleshooting Guide 57
13.1. Refrigeration Cycle System 57
13.2. Relationship Between The Condition Of The Air
Conditioner And Pressure And Electric Current 58
13.3. Diagnosis Methods Of A Malfunction Of A Compressor
And 4-way Valve 58
• High efficiency.
• Compact design.
• Wider range of horizontal discharge air.
• Air Filter with function to reduce dust and smoke.
• Automatic air swing and manual adjusted by Remote
Control for vertical airflow.
• Long installation piping up to 25 meter.
• Quality Improvement
− Random auto restart after power failure for safety restart
operation.
− Gas leakage detection.
− Prevent Compressor reverse cycle.
− Inner protector to protect Compressor.
− Noise prevention during soft dry operation.
− Pre coated Condenser for high resistance to corrosion.
− Anti-dew formation control (Cooling & Soft Dry).
− Overload protection control (Heating)
− Outdoor fan control.
− Compressor high pressure control.
14 Technical Data 59
14.1. Thermostat Characteristics 59
14.2. Sensible Capacity Chart 60
14.3. Operation Characteristics 61
15 Exploded View (Indoor Unit) 62
15.1. CS-PW18DKE 62
16 Replacement Parts List (Indoor Unit) 63
16.1. CS-PW18DKE 63
17 Exploded View (Outdoor Unit) 64
17.1. CU-PW18DKE 64
18 Replacement Parts List (Outdoor Unit) 65
18.1. CU-PW18DKE 65
19 Electronic Circuit Diagram 66
19.1. Indoor Unit & Outdoor Unit 66
19.2. Remote Control 72
19.3. Print Pattern Indoor Unit Printed Circuit Board 73
19.4. Print Pattern Outdoor Unit Printed Circuit Board 75
19.5. Print Pattern Indicator & Receiver Printed Circuit Board
76
• Operation Improvement
− 24-hour timer setting.
• Serviceability Improvement
− Removable and washable Front Panel.
• Environmental Friendly
− R410A, which does not contain chlorine, is used as its
refrigerant, so there is no danger of damage to the
ozone layer in stratosphere.
1 Features
2
CS-PW18DKE CU-PW18DKE
