Panasonic Cs A18ekh Cs A24ekh Cu A18ekh Cu A24ekh Repair Manual

© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0511090C3
Air Conditioner
CS-A18EKH CU-A18EKH
CS-A24EKH CU-A24EKH
TABLE OF CONTENTS
PA G E PA G E
1 Safety Precaution------------------------------------------------3
2 Specifications-----------------------------------------------------5
2.1. CS-A18EKH CU-A18EKH ------------------------------- 5
2.2. CS-A24EKH CU-A24EKH -------------------------------...

2 11.15. Auto Refresh Deo ---------------------------------------- 44
12 Servicing Mode--------------------------------------------------45
12.1. Auto OFF/ON Button ------------------------------------ 45
12.2. Remote Control Button --------------------------------- 45
12.3. Test Mode Timer Table---------------------------------- 46
13 Troubleshooting Guide----------------------------------------47
13.1. Refrigeration Cycle System --------------------------- 47
14 Disassembly and Assembly...

3
1 Safety Precaution
• Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.
• Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and
main circuit for the model installed.
• The caution items stated here must be followed because these important contents are related to safety. The meaning of each
indication used is as below. Incorrect installation or servicing due to ignoring of the instruction will cause...

4
1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect.
2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of 
the unit, it may cause fire.
3. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the 
furniture.
4. Pb free solder has a higher melting point than standard solder; typically the melting point is 50 -...

5
2 Specifications
2.1. CS-A18EKH CU-A18EKH
Unit CS-A18EKH CU-A18EKH
Performance Test ConditionNEW JIS
Power Source (Phase, Voltage, Cycle) ø, V, Hz Single, 220 - 240, 50
Cooling Capacity kW (BTU/h) 5.40 (18,400) - 5.40 (18,400)
Heating Capacity kW (BTU/h) 5.90 (20,100) - 6.00 (20,500)
Moisture Removal l/h (Pint/h) 2.9 (6.1)
Airflow Method OUTLET
INTAKESIDE VIEW TOP VIEW
Air Volume Lo
m
3/min (cfm)Cooling; 13.0 (460) - 13.0 (460)
Heating; 14.2 (500) - 14.2 (500)28.6 (1,010) - 32.4 (1,140)
Me
m
3/min...

6 Note
• Specifications are subject to change without notice for further improvement.
Compressor Description — Rotary (1 cylinder)
rolling piston type
Motor Type — Induction (2-poles)
Rated Output kW — 1.5
Air Circulation Description Cross-flow Fan Propeller Fan
Material ASHT-18 PP
Motor Type Transistor (8-poles) Induction (6-poles)
Input W — 125.7 - 143.9
Rated Output W 30 80
Fan Speed Low rpm Cooling; 1,190 - 1,190
Heating; 1,270 - 1,270460 - 520
Medium rpm Cooling; 1,320 - 1,320
Heating; 1,320 -...

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2.2. CS-A24EKH CU-A24EKH
Unit CS-A24EKH CU-A24EKH
Performance Test ConditionNEW JIS
Power Source (Phase, Voltage, Cycle) ø, V, Hz Single, 220 - 240, 50
Cooling Capacity kW (BTU/h) 7.03 - 7.03 (24,000 - 24,000)
Heating Capacity kW (BTU/h) 7.80 - 7.80 (26,600 - 26,600)
Moisture Removal l/h (Pint/h) 4.0 (8.5)
Airflow Method OUTLET
INTAKESIDE VIEW TOP VIEW
Air Volume Lo
m
3/min (cfm)Cooling; 13.7 (480) - 13.7 (480)
Heating; 14.7 (520) - 14.7 (520)28.1 (990) - 31.7 (1,120)
Me
m
3/min (cfm)Cooling; 15.8...

8 Note
• Specifications are subject to change without notice for further improvement.
Air Circulation Description Cross-flow Fan Propeller Fan
Material ASHT-18 PP
Motor Type Transistor (8-poles) Induction (6-poles)
Input W — 116 - 127
Rated Output W 30 80
Fan Speed Low rpm Cooling; 1,280 - 1,280
Heating; 1,380 - 1,380460 - 520
Medium rpm Cooling; 1,480 - 1,480
Heating; 1,480 - 1,480—
High rpm Cooling; 1,570 - 1,570
Heating; 1,650 - 1,650815 - 845
SuperHigh rpm Cooling; 1,650 - 1,650 —
Heat Exchanger...

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3 Features
• 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 horizontal and vertical airflow.
• Long installation piping up to 25 meter.
• Supersonic Air Purifying System with super alleru-buster filter and auto refresh deo filter.
- Inactive various harmful airbone elements including allergens, viruses and bacteria.
- Generated supersonic waves enhance the...

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4 Location of Controls and Components
4.1. Product Overview
4.1.1. Indoor Unit
4.1.2. Outdoor Unit
4.1.3. Remote Control