Table of Contents
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the products dealt with in this service information by anyone else could result in serious injury or death.
TABLE OF CONTENTS
1. Safety Precautions .............................................3
2. Specification .......................................................5
3. Features ..............................................................7
4. Location of Controls and Components............8
4.1
Indoor Unit....................................................8
4.2
Outdoor Unit .................................................8
4.3
Remote Control ............................................8
5. Dimensions .........................................................9
5.1
Indoor Unit....................................................9
5.2
Outdoor Unit ...............................................10
6. Refrigeration Cycle Diagram...........................11
7. Block Diagram ..................................................12
8. Wiring Diagram.................................................13
9. Printed Circuit Board .......................................15
9.1
Indoor Unit..................................................15
10. Installation Instruction.....................................16
Indoor Unit
CS-RE9NKR
CS-RE12NKR
WARNING
10.1
Select the Best Location ............................16
10.2
Indoor Unit..................................................17
10.3
Outdoor Unit ...............................................19
11. Service Mode ....................................................22
11.1
Auto OFF/ON Button ..................................22
11.2
22
11.3
12. Operation Control.............................................25
12.1
Basic Function............................................25
12.2
Indoor Fan Motor Operation.......................27
12.3
Outdoor Fan Motor Operation ....................28
13. Protection control ............................................30
13.1
Protection Control for All Operations..........30
13.2
Operation...............................................................32
13.3
(Heating)................................................................33
14. Troubleshooting Guide....................................35
© Panasonic Appliances Air-Conditioning (Guangzhou)
Co,. Ltd. 2012. Unauthorized copying and distribution
is a violation of law.
Order No: PAPAGZ120712CE
Outdoor Unit
CU-RE9NKR
CU-RE12NKR
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Table of Contents
Related Manuals for Panasonic CS-RE9NKR
Summary of Contents for Panasonic CS-RE9NKR
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Page 1: Table Of Contents
8. Wiring Diagram..........13 Operation...............32 9. Printed Circuit Board ........15 13.3 Indoor Piping Air Temperature Control (Heating)..............33 Indoor Unit..........15 14. Troubleshooting Guide........35 10. Installation Instruction........16 © Panasonic Appliances Air-Conditioning (Guangzhou) Co,. Ltd. 2012. Unauthorized copying and distribution is a violation of law. - Page 2 14.1 Refrigeration cycle system ......35 14.2 Breakdown Self Diagnosis Function...36 15. Disassembly and Assembly Instructions ..38 15.1 Indoor unit...........38 15.2 Outdoor Unit Electronic Controller Complete Removal Procedure..........41 16. Technical Data ..........43 16.1 Operation Characteristic......43 17. Exploded View and Replacement Pars List ...51 17.1 Indoor Unit ..........51 17.2...
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Page 3: Safety Precautions
1. Safety Precautions • 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. •... - Page 4 16. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage. 17. After completion of installation, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire.
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Page 5: Specification
2. Specification Model Indoor CS-RE9NKR CS-RE12NKR Outdoor CU-RE9NKR CU-RE12NKR Power Supply Phase, Hz Single, 50 Single, 50 230-240 230-240 Rate Rate 0.90 2.50 3.00 0.90 3.50 3.90 Capacity BTU/h 3070 8530 10230 3070 11940 13300 kcal/h 2150 2580 3010 3350 Running Current 3.10-3.05... - Page 6 Q-Lo /min (ft 7.02 (248) 7.33 (258) Indoor Airflow /min (ft 7.67 (271) 8.95 (315) (HEATING) /min (ft 8.97 (316) 10.24 (361) /min (ft 12.1 (427) 12.4 (437) Hi (Cooling) /min (ft 30.4 (1074) 35.6 (1257) Outdoor Airflow Hi (Heating) /min (ft 30.4 (1074) 34.6 (1222)
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Page 7: Features
3. Features • Inverter Technology Wider output power range Energy saving Quick Cooling More precise temperature control • Long Installation Piping CS/CU-RE9/12NKR, long piping up to 15 meters. • Easy to use remote control • Quality Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor... -
Page 8: Location Of Controls And Components
4. Location of Controls and Components Indoor Unit Front Panel POWER GREEN Vertical airflow Air Filter TIMER ORANGE direction louver Horizontal airflow INDICATOR QUIET GREEN direction louver POWERFUL Outdoor Unit Remote Control Transmitter OFF/ON Operation mode Temperature setting Fan speed selection Airflow direction adjustment Quiet mode Powerful mode... -
Page 9: Dimensions
5. Dimensions Indoor Unit Unit： ： ： ： mm... -
Page 10: Outdoor Unit
Outdoor Unit Unit: mm... -
Page 11: Refrigeration Cycle Diagram
6. Refrigeration Cycle Diagram COOLIN HEATING... -
Page 12: Block Diagram
7. Block Diagram... -
Page 13: Wiring Diagram
8. Wiring Diagram CS-RE9NKR CU-RE9NKR... - Page 14 CS-RE12NKR CU-RE12NKR...
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Page 15: Printed Circuit Board
9. Printed Circuit Board Indoor Unit 9.1.1 Main Printed Circuit Board... -
Page 16: Installation Instruction
10. Installation Instruction 10.1 Select the Best Location 10.1.3 Indoor/Outdoor Unit Installation Diagram 10.1.1 Indoor Unit • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circulation. •... -
Page 17: Indoor Unit
10.2 Indoor Unit 10.2.1 How to Fix Installation Plate The mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than 450 mm at right and left of the wall. The distance from installation plate edge to ceiling should more than 75mm. - Page 18 10.2.3 Indoor Unit Installation...
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Page 19: Outdoor Unit
10.2.4 Connect the Cable to the Indoor Unit The inside and outside connecting cable can be connected without removing the front grille. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4x 1.5mm flexible cords, type designation 60245 IEC 57 or heavier cord. Ensure the color of wires of outdoor unit and the terminal numbers are the same to the indoor’s respectively. -
Page 20: Evacuation Of The Equipment
Connecting the piping to outdoor unit Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table. - Page 21 10.3.4 Connect the cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4x 1.5mm flexible cord, type designation 60245 IEC 57 or heavier cord. Connecting cable between outdoor unit and DRED (Demand response enabling devices) shall be double insulation layer, polychloroprene sheathed (>50V) with size 4x 1.0mm cable or flexible cord, where the...
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Page 22: Service Mode
11. Service Mode 11.1 Auto OFF/ON Button Auto OFF/ON Button Pressed 1. AUTO OPERATION MODE Once the Auto OFF/ON button is slightly pressed, the unit will immediately operate in Auto operation. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. -
Page 23: Operate And Display Of Remote Control
11.3 Operate and Display of Remote Control 11.3.1 Original setting 11.3.2 Mode selecting button UTO, HEAT, COOL, DRY can be selected by pressing “MODE” button. Initial display of LCD is as follow *Keeping the button depressed continuously, the operation mode will change in the following order in turn AUTO—HEAT—COOL—DRY--AUTO 11.3.3 Temperature adjusting button Temperature adjusting range is between 16 ℃~30 ℃... - Page 24 11.3.7 Timer setting button There are 4 types of timer setting by pressing Timer setting button: ON-TIMER, OFF-TIMER, ON-OFF TIMER, OFF- ON TIMER. 1) SELECT button When the air conditioner is ON, OFF-TIMER or OFF-ON TIMER can be selected by pressing SELECT button.
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Page 25: Operation Control
12. Operation Control 12.1 Basic Function 12.1.1 Internal Setting Temperature Once the operation starts, remote control setting temperature will be taken as base value for temperature shifting processes. These shifting processes are depending on the air conditioner settings and the operation environment. The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit. -
Page 26: Heating Operation
12.1.4 Heating operation 12.1.4.1 Thermostat control • Compressor is OFF when Intake Air Temperature - Internal Setting Temperature > +2.0℃ • Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature< Compressor OFF point -0.5K. 12.1.5 Automatic Operation •... -
Page 27: Indoor Fan Motor Operation
12.2 Indoor Fan Motor Operation Basic Rotation Speed Manual Fan speed Fan motor’s number of rotation is determined according to remote control setting. Remote control QUIET Model COOLING(rpm) 1170 1030 CS-RE9NKR HEATING(rpm) 1120 COOLING(rpm) 1170 1060 CS-RE12NKR HEATING(rpm) 1150 1010 Auto Fan Speed (Cooling, Soft Dry Mode) According to room temperature and setting temperature, indoor fan speed is determined automatically. -
Page 28: Outdoor Fan Motor Operation
12.3 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only. It starts when compressor starts operation and it stops 30 seconds after compressor stops operation. Compressor Outdoor Fan 30 s 12.3.1 Vertical Airflow Operating Mode Manual 10°... - Page 29 2. For Heating mode: Note: The value of A, B, C, D will change according to the indoor temperature. 12.3.5 Automatic Restart Control When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes after power supply resumes.
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Page 30: Protection Control
Timer Signal Receiving sound During Operation. Timer Signal Receiving Sound When the Air Conditioner Stops. 13. Protection control 13.1 Protection Control for All Operations 13.1.1 Time Delay Safety Control ● The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. - Page 31 13.1.4 IPM (Power transistor) Protection Control. 1. DC Peak Current Control ● When electric current to IPM exceeds set value of 7A(for RE9NKR) and 15.7A(for RE12NKR) the compressor will stop. It will restart after three minutes. ● If the set value is exceeded again within 30 seconds, the operation will restart after one minute. ●...
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Page 32: Protection Control For Cooling And Soft Dry Operation
Indoor piping temperature - indoor suction is under 5℃. Indoor temperature and outdoor temperature is 20 ± 2℃. Remote control setting 30℃ and Hi Fan Speed. b. Control contents • Compressor stops (and restart after 3 minutes) • If the conditions above happen 2 times within 20 minutes, the unit will: - Stop operation - Timer LED blinks and “F91”... -
Page 33: Indoor Piping Air Temperature Control (Heating)
13.2.3 Dew Prevention Control • To prevent dew formation at indoor unit discharge area. • This control starts if all conditions continue for 20 minutes: - Operated with Cooling or Soft Dry Mode. - Outdoor air temperature is less than 34℃. •... -
Page 34: Demand Control
3. Hot Start When the heating operation starts, the indoor fan stops and the compressor run with a certain frequency. This is to prevent the cold airflow from blowing. If the piping temperature rises to 19 ℃, and the indoor fan speed and airflow direction varies with the indoor piping temperature, the hot start control is completed. -
Page 35: Troubleshooting Guide
14. Troubleshooting Guide 14.1 Refrigeration cycle system In order to diagnose malfunctions, make sure that there are no Normal Pressure and Outlet Air Temperature (Standard) electrical problems before inspecting the refrigeration cycle. Such Gas Pressure Outlet air Temperature problems include insufficient insulation, problem with the power (kg/cm (°... -
Page 36: Breakdown Self Diagnosis Function
14.1.2 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the Electric current High High Electric current air conditioner Low Pressure during Low Pressure Pressure Pressure during operation operation Insufficient refrigerant (gas leakage) Clogged capillary... - Page 37 14.2.3 Error Codes Table Emergency Code Abnormality/Protection Judgment Check Operation Normal Indoor/Outdoor abnormal >1 minute after starting Connecting cable, ○ communication operation Indoor/outdoor PCB Intake air temperature Indoor intake air temp sensor sensor(defected or × abnormality disconnected) Compressor tempeature Outdoor compressor Continue for 5 sec.
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Page 38: Disassembly And Assembly Instructions
15. Disassembly and Assembly Instructions WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 15.1 Indoor unit Removal Procedure for Intake Grille 1. - Page 39 Front grille Removal Procedure for Main Electronic Controller 1. After front grille is taking off, remove the cover of control board and holder, and then the Main PCB can be seen. Control board cover Supporting Hook Main PCB Holder Indicator & receiver 3.
- Page 40 Removal Procedure for Discharge grille 1. Separate the drain hose and the drain plate. 2. Pull out the discharge grille slightly. Removal Procedure for Cross Flow Fan 1. Release fixing screws on both side, disassembly the fixing board from evaporator on the left side and pull out the whole evaporator.
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Page 41: Outdoor Unit Electronic Controller Complete Removal Procedure
15.2 Outdoor Unit Electronic Controller Complete Removal Procedure Take off the terminal cover by releasing the 3 screws. Disconnect the 7 wires from the terminal and then the 3 screws fixed between terminal supporting panel and c-box casing can be released. Screws of terminal cover... - Page 42 Take of the compressor terminal cover. Disconnect the wire from the compressor terminal. Terminal cover for compressor Terminal connectors Release the c-box screw fixing on sound prevention board, and two screws fixing on terminal supporting board, and the earth wire fixing screw. Be aware to hold the c-box complete to avoid falling after all screws are released. Then the c-box can be taken out.
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Page 43: Technical Data
16. Technical Data 16.1 Operation Characteristic 16.1.1 CS-RE9NKR CU-RE9NKR Cooling Characteristic at Different Outdoor Air Temperature... - Page 44 Cooling Characteristic at Different Piping Length...
- Page 45 Heating Characteristic at Different Outdoor Air Temperature...
- Page 46 Heating Characteristic at Different Piping Length...
- Page 47 16.1.2 CS-RE12NKR CU-RE12NKR Cooling Characteristic at Different Outdoor Air Temperature...
- Page 48 Cooling Characteristic at Different Piping Length...
- Page 49 Heating Characteristic at Different Outdoor Air Temperature...
- Page 50 Heating Characteristic at Different Piping Length...
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Page 51: Exploded View And Replacement Pars List
17. Exploded View and Replacement Pars List 17.1 Indoor Unit CS-RE9NKR, CS-RE12NKR... - Page 52 Parts Name Q'ty CS-RE9NKR CS-RE12NKR REMARK CHASSIS COMPLETE CWD50C1745 CWD50C1745 FAN MOTOR(DC,280-340V,30W) ARW7648AC ARW7648AC CROSS FLOW FAN COMPLETE CWH02C1095 CWH02C1095 EVAPORATOR CWB30C4138 CWB30C3977 AUXILIARY TUBE ASS'Y CWT01C5455 CWT01C5455 DRAIN PLUG CWH521096 CWH521096 DISCHARGE GRILLE COMPLETE CWE20C3276 CWE20C3276 AIR SWING MOTOR(DC,12V,200 )
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Page 53: Outdoor Unit
17.2 Outdoor Unit CU-RE9NKR, CU-RE12NKR... - Page 54 Parts Name Q'ty CU-RE9NKR CU-RE12NKR REMARK CHASSIS ASS'Y CWD52K1262A CWD52K1303A FAN MOTOR BRACKET CWD541182 CWD541182 SCREW-FAN MOTOR BRACKET CWH551148A CWH551148A FAN MOTOR(AC,220-240V,25W) CWA951814 ARS8405AC SCREW-FAN MOTOR MOUNT CWH551148A CWH551148A PROPELLER FAN ASS'Y CWH03K1059 CWH03K1078 NUT-PROPELLER FAN CWH561098 CWH561034J COMPRESSOR CWB092635 CWB092574 ANTI-VIBRATION BUSHING CWH501038...