Panasonic CU-E9DKE Service Manual
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Table of Contents
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CONTENTS
CS-E9DKEW CU-E9DKE
CS-E12DKEW CU-E12DKE
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© 2004 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No: MAC0412064C2
Air Conditioner
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Table of Contents
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Summary of Contents for Panasonic CU-E9DKE
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Page 1: Table Of Contents
12.1. Troubleshooting 7 Wiring Diagram 12.2. Breakdown Self Diagnosis Function 8 Operation Details 12.3. Remote Control 8.1. Basic Function © 2004 Panasonic HA Air-Conditioning (M) Sdn Bhd (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. -
Page 2: Features
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 12.4. Disassembly of Parts 16.1. CU-E9DKE CU-E12DKE 13 Technical Data 17 Replacement Parts List (Outdoor Unit) 17.1. CU-E9DKE CU-E12DKE 13.1. Operation Characteristics 13.2. Sensible Capacity Chart 18 Electronic Circuit Diagram 14 Exploded View (Indoor Unit) 18.1. -
Page 3: Functions
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 2 Functions 2.1. Remote Control FAN SPEED Indoor Fan Speed Selection • • Medium- • Medium OFF/ON • Medium+ • High Operation OFF / ON • Automatic Fan Speed... -
Page 4: Indoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 2.2. Indoor Unit Automatic Operation Switch Four Operation Modes • Press for < 5s to run Automatic Operation. • Automatic, Heating, Cooling and Soft Dry (Used when the remote control cannot be used.) Operation. - Page 5 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Breakdown Self Diagnosis Function Low Pressure Control (Gas Leakeage Detection) Indoor Power Relay Control Deodorizing Control Anti-Dew Formation Control Anti Freezing Control Anti-Cold Draft Control Hot Start Intake Air Temperature Control...
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Page 6: Outdoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 2.3. Outdoor Unit Time Delay Safety Control 30 seconds Forced Operation Overload Protection Control Total Running Current Control Compressor Overheating Prevention Control IPM (Power Transistor) Overheating Protection Control... -
Page 7: Product Specifications
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 3 Product Specifications 3.1. CS-E9DKEW CU-E9DKE Unit CS-E9DKEW CU-E9DKE Cooling Capacity 2.6 (0.80 - 3.00) kcal/h 2,240 (690 - 2,580) BTU/h 8,870 (2,050 - 10,200) Heating Capacity 3.6 (0.80 - 5.00) - Page 8 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Unit CS-E9DKEW CU-E9DKE Power Cord Length — — Number of core-wire — — Dimensions Height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540) Width inch (mm)
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Page 9: Cs-E12Dkew Cu-E12Dke
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 3.2. CS-E12DKEW CU-E12DKE Unit CS-E12DKEW CU-E12DKE Cooling Capacity 3.50 (0.80 - 4.00) kcal/h 3,010 (690 - 3,440) BTU/h 11,950 (2,730 - 13,600) Heating Capacity 4.80 (0.80 - 6.50) - Page 10 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Unit CS-E12DKEW CU-E12DKE Dimensions Height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540) Width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780) Depth inch (mm)
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Page 11: Dimensions
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 4 Dimensions 4.1. Indoor Unit & Remote Control 4.1.1. CS-E9DKEW CS-E12DKEW... -
Page 12: Outdoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 4.2. Outdoor Unit 4.2.1. CU-E9DKE CU-E12DKE... -
Page 13: Refrigeration Cycle Diagram
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 5 Refrigeration Cycle Diagram... -
Page 14: Block Diagram
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 6 Block Diagram... -
Page 15: Wiring Diagram
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 7 Wiring Diagram... -
Page 16: Operation Details
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8 Operation Details 8.1. Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting. - Page 17 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Table (d): Indoor Air Temperature Shifting 1. Target room temperature shift value (dGetaDst) • To offset the absolute gap between detection temperature with actual room temperature. • The heat exchanger unit’s temperature is different based on operation mode, it become the action operation mode value.
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Page 18: Compressor Operation Frequency
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.2. Compressor Operation Frequency 8.1.2.1. The frequency determination method (Cooling operation control) 8.1.2.1.1. Basic specification The domain directions data (intake-setting) transmitted from the interior of a room determines a changed part of frequency. - Page 19 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.2.1.4. The frequency changed method 1. After shifting to relative control, (intake-setting) is every 60 seconds, A tap is adjusted according to the domain and frequency changes relatively to present condition.
- Page 20 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.2.2.2. Initial frequency determination After a starting control end, initial frequency (absolute value) is determined and is immediately shift. However, the domain of Fhmax is judged instantly. 8.1.2.2.3.
- Page 21 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.2.2.4. The frequency changed method 1. When intake-setting remains for 30 seconds in a domain after shifting to relative control, a tap is adjusted according to the domain and frequency changes relatively to the present condition.
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Page 22: Cooling Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.2.3.3. The frequency change method 1. When (suction-setup) remains in a domain for 30 seconds, after shifting to relative control, a tap is adjusted according to the domain and frequency changes relatively to the present condition. -
Page 23: Soft Dry Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.4. Soft Dry Operation 8.1.4.1. Thermostat control • Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -2.0°C. • Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point. -
Page 24: Indoor Fan Motor Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Values of T1, T2, and T3 depend on remote control setting temperature, as shown in below table. After the adjustment of T1, T2 and T3 values, the operation mode for that particular environment and remote control setting is judged and performed, based on the above operation mode chart, every 30 minutes. - Page 25 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se B. Indoor Fan Control i. Indoor fan control operation outline 1. Cooling / Dry...
- Page 26 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 2. Heating ii. Auto Fan Speed 1. Cooling...
- Page 27 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 2. Heating Note: a. UP: • If move from Lo, the fan speed will be shifted to Maximum 1520 rpm. • If move from Maximum, the fan speed no change.
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Page 28: Outdoor Fan Motor Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se D. Deodorizing Control i. Control condition Control at cooling/dry operation and auto fan speed. No Deodorizing Control is performed during ON timer standby operation and during Anti-freezing control prevention. -
Page 29: Vertical Airflow
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.9.1. Vertical Airflow Operation Mode Airflow Direction Vane Angle (°) Heating Auto with Heat Exchanger Upward fix Temperature Downward fix Upward fix Downward fix Manual Cooling, Soft Dry and Ion... -
Page 30: Quiet Operation (Heating)
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.10. Quiet operation (Cooling Mode/Cooling area of Dry Mode) A. Purpose To provide quiet cooling operation compare to normal operation. B. Control condition a. Quiet operation start condition •... -
Page 31: Powerful Mode Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se C. Control contents a. Fan Speed manual 1. Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB. -
Page 32: Auto Restart Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.1.13. Delay OFF Timer Control Delay OFF timer can be set using remote control, the unit with timer set will stop operate at set time. 8.1.14. Auto Restart Control 1. -
Page 33: Ionizer Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 1. When the switch is pressed between 0 to 5 seconds, Auto Mode operation starts to function. 2. When the switch is pressed between 5 to 8 seconds, the unit is forced to operate in Cooling Mode. -
Page 34: Ionizer Operation Case Study
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 2. Ionising Operation Stop Condition When one of the following condition is satisfied, ION operation stops. a. Stopped by ON/OFF switch. b. Timer OFF activates. c. ION feedback signal shows error. -
Page 35: Protection Control Features
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2. Protection Control Features 8.2.1. Protection Control For All Operations 8.2.1.1. Time Delay Safety Control 1. The compressor will not start for three minutes after stop of operation. - Page 36 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2.1.4. IPM (Power transistor) Prevention Control A. Overheating Prevention Control 1. When the IPM temperature rises to 100°C, compressor operation will stop immediately. 2. Compressor operation restarts after three minutes the temperature decreases to 95°C.
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Page 37: Compressor Tank Temperature Rise Protection Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2.1.7. Compressor Tank Temperature Rise Protection Control a. Control start conditions Control will perform when (1) - (3) condition continues operation for 5 minute and (4) is fulfill. -
Page 38: Outdoor Air Temperature Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se • During heating operation, operate the followings control. 1. During Remote Control setting is 18°C & above Indoor Fan Speed Min Hz More than Hi More than Lo Under Lo However, when less than thermo OFF for 100 sec. -
Page 39: Cooling Overload Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2.2.2. Cooling Overload Control i. Pipe temperature limitation/restriction • Detects the Outdoor pipe temperature and carry out below restriction/limitation (Limit the compressor Operation frequency) • The compressor stop if outdoor pipe temperature exceeds 61°C •... -
Page 40: Protection Control For Heating Operation
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2.2.3. Anti-Freezing Control 1. When indoor heat exchanger temperature is lower than 2°C continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 10°C. - Page 41 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2.3.2. Outdoor Air Temperature Control The Max current value is regulated in accordance to the outdoor air temperature as shown in the below figures. 8.2.3.3. Overload Protection Control...
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Page 42: Deice Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8.2.3.4. Deice Control A. Deice operation (Normal Deice Operation) 1. Detection methods Outdoor heat exchanger temperature sensor, timer. 2. Deice operation time chart Notes • During deice operation, as relationship for outdoor piping temperature and time T5, the priority given to the condition which is first fulfilled and shift to the next mode. - Page 43 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 3. Explanation of operation 1) At the deice starting signal, the compressor frequency is set to the value as previously mentioned. 2) At 120 sec. after deice starting signal generated, 4 way valve OFF and at the same time outdoor fan is OFF, indoor fan is OFF, compressor frequency is set to the previously mentioned value.
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Page 44: Operating Instructions
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 9 Operating Instructions Thank you for purchasing Panasonic Air Conditioner SAFETY PRECAUTIONS I Definition To prevent personal injury, injury to others and property Installation Precautions Installation Precautions damage, the following instructions must be followed. - Page 45 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Note: The illustrations in this manual are for explanation purposes only and may differ from the actual unit. It is subjected to change without notice for future improvement.
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Page 46: Operation Modes
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se HOW TO OPERATE I Operation Details Auto, Heat, Cool, Auto, Heat, Cool, Dr y Dr y AUTO - Automatic Operation • The unit will automatically select the operation mode according to the setting, outdoor and room temperature. -
Page 47: Fan Speed
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se HOW TO OPERATE I Operations Details Powerful, Powerful, Quiet, Quiet, Ion, Fan Speed, Ion, Fan Speed, POWERFUL • To achieve setting temperature Air Swing Air Swing quickly. QUIET •... - Page 48 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se HOW TO OPERATE I Operation Details Timer Timer TIMER • Use the ON timer to turn on the air conditioner at the desired time. This will give you a cooling or warming environment, e.g.
- Page 49 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se CARE & CLEANING I Washing Instructions • Do not use benzene, thinner or Switch off the power supply Switch off the power supply scouring powder. before cleaning before cleaning •...
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Page 50: Installation Instructions
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 10 Installation Instructions Required tools for Installation Works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. - Page 51 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 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.
- Page 52 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Attached accessories Indoor/Outdoor Unit Installation Diagram Applicable piping kit CZ-3F5, 7BP (E9DK) CZ-4F5, 7, 10BP (E12DK) SELECT THE BEST LOCATION INDOOR UNIT • There should not be any heat source or steam near the unit.
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Page 53: Indoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 10.2. Indoor Unit 10.2.3. TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF 10.2.1. SELECT THE BEST LOCATION PIPING (Refer to “Select the best location”... - Page 54 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 3. For the embedded piping (This can be used for left rear piping & left bottom piping also.)
- Page 55 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 10.2.5. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 ×...
- Page 56 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se INSTALLATION OF SUPER ALLERU-BUSTER FILTER 1. Open the front panel. 2. Remove the air filter. 3. Remove Supersonic air purifying device. 4. Open the Supersonic air purifying device frame.
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Page 57: Outdoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 10.3. Outdoor Unit 10.3.1. SELECT THE BEST LOCATION (Refer to “Select the best location” section) 10.3.2. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. -
Page 58: Evacuation Of The Equipment
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 10.3.4. EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. 1. Connect a charging hose with a push pin to the Low and High side of a charging set and the service port of the 3-way valve. -
Page 59: Connect The Cable To The Outdoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 10.3.5. CONNECT THE CABLE TO THE OUTDOOR UNIT (FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT) 1. Remove the control board cover from the unit by loosening the screw. - Page 60 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se CHECK THE DRAINAGE • Open front panel and remove air filters. (Drainage checking can be carried out without removing the front grille.) • Pour a glass of water into the drain tray-styrofoam.
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Page 61: Installation And Servicing Air Conditioner Using R410A
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 11 Installation And Servicing Air Conditioner Using R410A 11.1. Outline 11.1.1. About R410A Refrigerant 1. Converting air conditioners to R410A Since it was declared in1974 that chlorofluorocarbons (CFC), hydro chlorofluorocarbons (HCFC) and other substances pose a destructive danger to the ozone layer in the earth´s upper stratosphere (20 to 40 km above the earth), measures have been... -
Page 62: Tools For Installing/Servicing Refrigerant Piping
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se d. R410A refrigerating machine oil Conventionally, mineral oil or a synthetic oil such as alkylbenzene has been used for R22 refrigerating machine oil. Because of the poor compatibility between R410A and conventional oils like mineral oil, however, there is a tendency for the refrigerating machine oil to collect in the refrigerating cycle. -
Page 63: R410A Tools
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 11.2.2. R410A Tools 1. Copper tube gauge for clearance adjustment (used when flaring with the conventional flaring tool (clutch type)) • This gauge makes it easy to set the clearance for the copper tube to 1.0-1.5 mm from the clamp bar of the... - Page 64 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 5. Charging hose • The pressure resistance of the charging hose has been raised to match the higher pressure of R410A. The hose material has also been changed to suit HFC use, and the size of the fitting has been changed to match the manifold ports.
- Page 65 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 8. Electronic scale for refrigerant charging • Because of the high pressure and fast vaporizing speed of R410A, the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is...
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Page 66: Refrigerant Piping Work
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 11.3. Refrigerant Piping Work 11.3.1. Piping Materials It is recommended that you use copper and copper alloy jointless pipes with a maximum oil adherence of 40 mg/10m. Do not use pipes that are crushed, deformed, or discolored (especially the inside surface). - Page 67 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Table 11 R410A flaring dimensions Nominal Outside Wall thickness A (mm) diameter diameter (mm) R410A flaring Conventional flaring tool (mm) tool, clutch type Clutch type Wing-nut type 6.35 0 - 0.5...
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Page 68: Refrigerant Piping
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se b. Copper pipes Use only copper pipes with the thickness given in table 10, and with minimal impurities. Because the surface of the pipe is exposed, you should take special care, and also take measures such as marking the pipes to make sure they are easily distinguished from other piping materials, to prevent mistaken use. -
Page 69: Transferring (Using New Refrigerant Piping)
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 11.4.2. Transferring (Using New Refrigerant Piping) 1. Removing the unit a. Collecting the refrigerant into the outdoor unit by pumping down The refrigerant can be collected into the outdoor unit (pumping down) by pressing the TEST RUN button, even when the temperature of the room is low. -
Page 70: Recharging Refrigerant During Servicing
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 11.4.5. Recharging Refrigerant During Servicing When recharging is necessary, insert the specified amount of new refrigerant in accordance with the following procedure. 1. Connect the charging hose to the service port of the outdoor unit. - Page 71 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 11.4.6. Brazing As brazing requires sophisticated techniques and experiences, it must be performed by a qualified person. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to proceed with brazing while letting dry nitrogen gas (N ) flow.
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Page 72: Servicing Information
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 12 Servicing Information Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron. - Page 73 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Troubleshooting Air Conditioner Refrigeration cycle system In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation,...
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Page 74: Breakdown Self Diagnosis Function
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the air conditoner Low Pressure High Pressure Electric current... - Page 75 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se Error Codes Table Diagnosis Abnormality / Protection control Abnormality Emergency Primary location to verify display Judgement operation • Internal / external cable connections Indoor / outdoor abnormal > 1 min after starting...
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Page 76: Remote Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 12.3. Remote Control • Remote Control Reset When the batteries are inserted for the first time, or the batteries are replaced, all the indications will blink and the remote control might not work. -
Page 77: Disassembly Of Parts
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 12.4. Disassembly of Parts a. Indoor Control Board Removal Procedures 1. Remove the Front Grille Fig. 1 2. Remove the Indoor Control Board Fig. 4 Fig. 2 Fig. 3... - Page 78 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se b. Electronic Controller Removal Procedures 1. Remove Main Electronic Controller Fig. 7 Fig. 6 c. Cross Flow Fan and Fan Motor Removal Procedures 1. Remove Cross Flow Fan and Fan Motor Fig.
- Page 79 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se d. Outdoor Electronic Controller Removal Procedure • Be save to return the wiring to its original position 1. Remove the top panel and front panel • There are many high voltage components within the heat sink cover so never touch the interior during operation.
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Page 80: Technical Data
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 13 Technical Data 13.1. Operation Characteristics 13.1.1. CS-E9DKEW CU-E9DKE... - Page 81 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 13.1.2. CS-E12DKEW CU-E12DKE...
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Page 82: Sensible Capacity Chart
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 13.2. Sensible Capacity Chart G CS-E9DKEW CU-E9DKE 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 2.58 1.96 0.55 2.41 1.88 0.59 2.24 1.80 0.63 2.04 1.71 0.68 19.0°C... -
Page 83: Exploded View (Indoor Unit)
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 14 Exploded View (Indoor Unit) 14.1. CS-E9DKEW CS-E12DKEW Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts. -
Page 84: Replacement Parts List (Indoor Unit)
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 15 Replacement Parts List (Indoor Unit) 15.1. CS-E9DKEW CS-E12DKEW REF. NO. PART NAME & DESCRIPTION QTY. CS-E9DKEW CS-E12DKEW REMARKS ← CHASSY COMPLETE CWD50C1431 ← FAN MOTOR CWA981149 ←... -
Page 85: Exploded View (Outdoor Unit)
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 16 Exploded View (Outdoor Unit) 16.1. CU-E9DKE CU-E12DKE Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts. -
Page 86: Replacement Parts List (Outdoor Unit)
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 17 Replacement Parts List (Outdoor Unit) 17.1. CU-E9DKE CU-E12DKE REF NO. DESCRIPTION & NAME QTY. CU-E9DKE CU-E12DKE REMARKS ← CHASSY ASSY CWD50K2073 ← ANTI-VIBRATION BUSHING CWH50077 ← COMPRESSOR 5RS102XBC01 ←... -
Page 87: Electronic Circuit Diagram
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 18 Electronic Circuit Diagram 18.1. Indoor Unit • CS-E9DKEW CS-E12DKEW SCHEMATIC DIAGRAM 1/4 TERMINAL FUSE R138 T3.15A L250V 7.5Ω AC01 (BLK) LF01 AC03 (RED) 4700P 250VAC ZNR01 0.22µ... - Page 88 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se SCHEMATIC DIAGRAM 2/4 IC08 IC09 DB02 REGULATOR REGULATOR 3300µ 470µ 100µ DB03 470µ 470µ 22kΩ 22kΩ 10kΩ R113 160Ω 1/4W 1µ 10kΩ 10kΩ 10kΩ BUSY IC03 BR9080F R112...
- Page 89 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se SCHEMATIC DIAGRAM 3/4 DTC114EK 10kΩ 5.1kΩ 0.047µ 1kΩ 0.1µ 1kΩ F-TEST 10kΩ 0.01µ IC04 100kΩ C0EBH00C0282 REGULATOR 10kΩ S-TEST 10kΩ 2.2µ 0.01µ 0.01µ 1kΩ 1kΩ 1µ 1µ 15kΩ...
- Page 90 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se SCHEMATIC DIAGRAM 4/4 SW01 CN-TH PIPE TEMP. SENSOR 1 (20k 3950) AIR TEMP. SENSOR (15k 3950) AIR CLEANER COMPLETE CN-SONIC R602 C601 5.1k 0.1µ R601 R603 X601 IC601...
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Page 91: Outdoor Unit
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 18.2. Outdoor Unit • CU-E9DKE CU-E12DKE SCHEMATIC DIAGRAM 1/3 REACTOR GRY1 GRY2 R172 100k ZNR3 1/4W PTC2 ERZV10D102 R173 100k µ RY-AC1 ZNR4 PTC1 350V µ µ ERZVEAV511... - Page 92 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se SCHEMATIC DIAGRAM 2/3 CN-JP1 464k 464k R129 R159 FUSE2 1/4W 1/4W EG01Z µ 1.15A L250V 1/4W 1/4W 464k 464k R125 1/4W 1/4W R128 0.01 µ RL4Z 400V 107k...
- Page 93 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se SCHEMATIC DIAGRAM 3/3 PS21543 33Ω R190 HV1C1 µ µ 0.047 µ 464k µ 464k 0.047 0.47µ 630V R139 10.7k 270p 470p 1/4W µ µ 0.047 R189 10.7k 464k...
- Page 94 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se...
- Page 95 CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se How to use electronic circuit diagram...
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Page 96: Remote Control
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 18.3. Remote Control... -
Page 97: Print Pattern Indoor Unit Printed Circuit Board
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 18.4. Print Pattern Indoor Unit Printed Circuit Board... -
Page 98: Print Pattern Outdoor Unit Printed Circuit Board
CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE This document is protected (secured) by www.nettovarmepumpar.se 18.5. Print Pattern Outdoor Unit Printed Circuit Board [PHAAM] Printed in Malaysia...