Panasonic CU-C18KKS manual

© Panasonic HA Air-Conditioni ng (M) Sdn. Bhd. 2010. Unauthorized copying and distribu tion is a violation of law. Order No: PHAAM1006051C3 Indoor Unit Outdoor Unit CS-C18KKS CS-C24KKS CU-C18KKS CU-C24KKS TABLE OF CONTENTS 1. Safety Pr ecautions ............................................. 3 2. Specification ......................................[...]

2 13. Protection C ontrol ............................................49 13.1 Restart Control (Time Delay Safety Control).. ....................................................................49 13.2 7 Minutes Time Sa ve Control .....................49 13.3 60 Seconds Forced Operation ...................49 13.4 Starting Current Control ............[...]

3 CA UTIO N WA RN ING WA RN ING 1. Safety Precautions • Read the following “SAFET Y PRECAUTIONS” carefully bef ore perform any servicing. • Electrical work must be installed or serviced by a licens ed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installe d. • The caution items stated here[...]

4 CA UTIO N WA RN ING 20. After completion of installation or service, confirm ther e is no leakage or refrigerant gas. It ma y generate toxic gas when the refriger ant contacts with fire. 21. Ventilate if there is refrigerant gas leakage during operation. It ma y cause toxic gas when refrigerant contacts with fire. 22. Do not insert your fingers o[...]

5 2. S pecification Indoor CS-C18KKS CS-C24KKS Model Outdoor CU-C18KKS CU-C24KKS Performance Test Condition SASO (T3) SASO (T1) SASO (T3) SASO (T1) Phase, Hz Single, 60 Single, 60 Power Supply V 220 220 kW 4.40 5.10 5.60 6.50 BTU/h 15000 17400 19100 22200 Capacity kcal/h 3780 4390 4820 5590 Running Current A 9.1 7.8 13.9 11.9 Input Power W 1.96k 1.[...]

6 Control Device Capillary tube Capillary tube Refrigerant Oil cm 3 ATMOS NM56M or SUNISO 4GDI D (650 ) ATMOS M60 or SUNISO 4GDID (1130) Refrigeration Cycle Refrigerant Type g (oz) R22, 1.27k (44.8) R22, 1.61k (56.8) Height(I/D / O/D) mm (inch) 290 (11-7/16) 750 (29-17/32) 290 (11-7/16) 750 (29 -17/32) Width (I/D / O/D) mm (inch) 1070 (42-5/32) 875[...]

7 3. Features • E-ion Air Purifying System with Patrol Sensor o Active e-ions are released to catch du st particles and bring them back the la rge positively charged filter. o Patrol Sensor color changes to indicate the dirt level in the air • Long Installation Piping o CS/CU-C18KK, CS/CU-C24KK, long pip ing up to 25 meters. • Easy to use rem[...]

8 4. Location of Controls and Components 4.1 Indoor Unit 4.2 Outdoor Unit 4.3 Remote Control[...]

9 5. Dimensions 5.1 Indoor Unit[...]

10 5.2 Outdoor Unit[...]

11 6. Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID SIDE GAS SIDE CAPILLARY TUBE HEA T EXCHANGER (CONDENSER) THERMOST A T (C24KK only) HEA T EXCHANGER (EV APORA TO R) COMPRESSOR 2-W A Y VA LV E PIPE TEMP . SENSOR INT AKE AIR TEMP . SENSOR 3-W A Y VA LV E STRAINER[...]

12 7. Block Diagram[...]

13 8. Wiring Connection Diagram 8.1 CS-C18KKS CU-C18KKS Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C18KKS MODEL CU-C18KKS CONNECTION CWA951401J CONNECTION 2KS252F5AA04 BLUE-YELLOW 59.47 Ω C-R 1.959 Ω YELLOW-RED 60.95 Ω C-S 3.083 Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at [...]

14 8.2 CS-C24KKS CU-C24KKS Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C24KKS MODEL CU-C2 4KKS CONNECTION CWA951399J CONNECTI ON 2J39S236A1A YELLOW-BLUE 59.47 Ω C-R 0.933 Ω YELLOW-ORANGE 80.58 Ω C-S 1.584 Ω YELLOW-RED 60.95 Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°[...]

15 9. Electronic Circuit Diagram 9.1 CS-C18KKS CU-C18KKS[...]

16 9.2 CS-C24KKS CU-C24KKS[...]

17 10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board[...]

18 10.1.2 Power Printed Circuit Board[...]

19 10.1.3 Indicator Prin ted Circuit Board 10.1.4 Receiver Printed Circuit Board 10.1.5 High Voltage Power S upply Printed Circuit Board[...]

20 11. Inst allation Instruction 11.1 Select the Best Location 11.1.1 Indoor Unit • Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • There should not be any heat source or steam near the unit. • There should not be any ob stacles bl ocking the air circulation. • A place where air circulation in the roo[...]

21 11.2 Indoor Unit 11.2.1 How to Fix In stallation Plate The mounting wall shall be stron g and solid enough to prevent if from the vibration. The centre of installation plate sho uld be at more than c at right and left of the wall. The distance from installation plate edge to ceiling sho uld more than d . From installation plate left edge to unit[...]

22 11.2.3 Indoor Unit Installation Piping P iping Intak e gri l le Shock absor ber Use sho ck ab so rbe r du ring pu ll ou t t h ep i p i n gt op r o t e c t t h ei n t a k eg r i l l e fr o m d am a g e. Do not t ur n ov er the un i t wit hou t it ’ s sho ck abs or be r dur ing pull ou t t he piping. It ma y c a u s ei n t a k eg r i l l ed a m [...]

23 11.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside con necting cable can be connected without remo ving the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathe d 3 x 2.5mm 2 (2.0 ~ 2.5HP) flexible cord, type designation 245 IEC 57 or heavier cord. Do not use joint co[...]

24 11.2.5 Wire Stripping And Connecting Requirement 11.2.5.1 Cutting and flaring the piping 1 Please cut using pipe cutter and then re move the burrs. 2 Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the pipi ng end down to avoid the metal powder entering the pipe . 3 Please make flare after inserting th[...]

25 CA UTIO N 11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit • After selecting the best lo cation, start installa tion to Indoor/Outdoor Unit Installation Dia gram. 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10mm ). 2 When installing at roof, please con sider strong wind and earth quake. Please fasten the i[...]

26 11.3.3 Evacuation of the Equipment FOR ENVIRONMENTAL PROTECTION, MANUFACTURER ST RONGLY RECOMMENDS TO USE EVACUATION METHOD. 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. o Be sure to connect the end of the chargi ng hose with the push pin to the service port. 2 Connect the c[...]

27 11.3.4 Air Purging of the Piping and Indoor The remaining air in the Refrigerant cycle whi ch contains moisture may cau se malfunction on the compressor. 1 Remove the caps from the 2-way and 3-way valves. 2 Remove the service-port cap from the 3-way valves. 3 To open the valve, turn the valve stem of 2-way valve counter-clockwise approx. 90° an[...]

28 11.3.6 Pipe Insulation 1 Please carry out insulation at pipe con nection port ion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insul ated piping end to prevent water from going inside the piping. 2 If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E-F[...]

29 12. Operation Control 12.1 Cooling Operation • Cooling operation can be set usi ng remote control. • This operation is applied to cool down the roo m temper ature to the setting temperature set on the remote control. • The remote control setting temperature, which takes t he reading of intake air temperatu re sensor, can be adjusted from 1[...]

30 12.2 Soft Dry Operation • Soft Dry operation can be set using rem ote control. • Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room. • This operation starts when the intake air temperatur e sensor reaches the setting temperature on the remote control. • When operati on begins, Soft Dry will be switche[...]

31 12.3 Automatic Operation • Automatic operation can be set using re mote control. • This operation starts to operate with in door fan at SL o speed for 20 seconds to judge the inta ke air temperature. • After judged the temperature, the operat ion mode is determined by referring to the below standard. • Then, the unit starts to operate at[...]

32 12.4 Indoor Fan Speed Control • Indoor fan speed can be set using remote control. 12.4.1 Fan Speed Rotation Chart Fan Speed (rpm) Speed CS-C18KKS CS-C24KKS Shi 1370 1500 Hi 1200 1350 Me 1110 1230 HLo 1080 1190 CLo 1020 1110 Lo- 850 970 SLo 670 750 Qhi 1110 1150 QMe 1020 1050 QLo 930 960 12.4.2 Automatic Fan Speed Control • When set to Auto F[...]

33 • Auto Fan Speed during coo ling operation: 1 Indoor fan will rotate alternately between off and on a s shown in below diagram. 2 At the beginning of each compressor starts operation, indoo r fan speed increases gradually for deodori zing purpose. 3 For the first time the compressor operates, indoor fan will be switched to Hi fan speed fro m L[...]

34 12.5 Outdoor Fan Speed Control • There is only one speed for outdoor fan motor. (Applicabl e for CU-C18KK) • There is 2 speeds for outdoor fan motor. Outdoor fan spe ed can be changed to Hi or Lo acco rding to outdoor temperature. (Applicable for CU-C24KK). • For Cooling and Soft Dry operation, when outdoo r tem perature reaches to 31°C ([...]

35 12.7 Horizontal Airflow Direction Control 12.7.1 Auto Control • When the horizontal airflow is set to Auto using the re mote control, the vanes swings left and ri ght as shown in the diagram. • When stopped with remote control, the dischar ge vanes are reset and stop at the reset positio n. • During Cooling operation or Soft Dry operation,[...]

36 12.9 Quiet Operation (For Cooling Operation or cooling re gion of Soft Dry Operation) • To provide quiet cooling operation condition. • Once the Quiet Operation is set at the remote cont rol, the Quiet LED illuminated. The so und level will reduce around 2dB(A) for Lo fan spe ed or 3dB(A) for Hi/Me f an speed against the present operation so[...]

37 12.10 Timer Control 12.10.1 ON Timer • When the ON Timer is set by using the remote control, t he unit will start to operate sli ghtly before the set time, so that the room will reach nearly to the set temperature by the set time. • For Cooling and Soft Dry operation, the operat ion will start 15 minutes befo re the set time. • For Automat[...]

38 12.13 Patrol Operation • To monitor air dirtiness level by using Patrol se nsor a nd to maintain air freshness by activates e-ion operation • Patrol operation starts condition o When the unit operation is started with “OFF/ON” button o When the unit stops, “Patrol” operatio n is se lected, Patrol individual operation will start. o Du[...]

39 • Patrol Sensor Control o First 2 minutes from Patrol function activates is st abilization time, during stabilization time, no air dirtin ess level is monitored. The Air Dirtiness leve l is set to Clean, Patrol LED turns blue color. o After that, Patrol sensor starts to record the resist ance value at fixed interval. Higher resistance value in[...]

40 • Airflow direction (Horizontal, Vertical) Control o During any operation mod e combines with Patrol ope ration, airflow direction follows respective operation mode. o During Patrol individual ope ration if e-ion starts, only Au to Air Swing is allowed. Even if “Air Swing” button is pressed, no signal is sent to air conditioner, and no cha[...]

41 • Patrol Operation Demo Mode o Patrol Operation Dem o Mode start condition  Press “Set” button contin uously for 15 seconds by using pointer during Air Conditioner is OFF condition to enter internal setting mode.  Press “Timer De crement" button to select “Pt demo”.  Press “Timer Set” button to toggle Patrol operati[...]

42 12.14 E-ion operation • This operation provides clean air by p roducing negative ions to attract dust capt ured at the positively charged active e-ion filters. • e-ion operation start condition o During unit running at any operation mo de, if “e-ion” operation is selected, combination operation (operation mode + e-ion operation) starts. [...]

43 • e-ion Check Mode o e-ion abnormality check mode o Purpose is to improve sensor servic eability when sensor is malfu nction. (1) Control starting condition When all of the conditions are formed  Not in Patrol Demo mode.  e-ion operation ON.  When e-ion check mode si gnal is received; the procedure of selection is as sho wn: • Press[...]

44 • Error Detection Co ntrol When e-ion indicator blink, it indicates erro r listed below: o Active e-ion Air Purifying system PCB main conne ctor open:  Judgment Method • During e-ion operation (include during Patrol ope rati on), Active e-ion Air Purifying system main connector to PCB is opened.  Troubleshooting Methods • Connect the[...]

45 12.15 ECO Patrol Operation • A Pyoelectric infrared sensor is used to detect injectio n strength variation of infrared at setting area to determine the presence or absence of human and its activity level. Human detection area is shown in figure below: • ECO Patrol operation – Human pr esen ce/absence detection outlined flow Process infrare[...]

46 • ECO Patrol Demo Mode  Press “Set” button contin uously for 15 seconds by using pointer during Air Conditioner is OFF condition to enter internal setting mode.  Press “Timer De crement" button to select “EC demo”.  Press “Timer Set” button to toggle ECO Patrol Demo mode. • Short "beep": Turn ON ECO Patr[...]

47 • During ECO Patrol operation, the internal setting tem per ature and fan speed are adjuste d in order to provide comfort and energy saving. • ECO Patrol Start condition.  Press ECO Patrol button to select ECO1 and ECO2. • ECO Patrol Stop condition.  Press ECO Patrol button again.  OFF Timer activates.  Press OFF/ON button to t[...]

48 • ECO Patrol Sensor abnormality check mode • Purpose is to improve sensor se rvic eability when sensor is malfunction. (1) Control starting condition When all of the conditions are formed  Not in ECO Patrol Demo m ode.  ECO Patrol mode ON.  When ECO Patrol se nsor check mode signal is re ceived; the procedure of selection is a s sho[...]

49 13. Protection Control 13.1 Restart Control (Time Delay Safety Control) • When the thermo-off temperature (temperature whic h comp ressor stops to operate) is reach durin g:- o Cooling operation – the co mpressor stops for 3 minutes (minimum ) before resume operation. o Soft Dry operation – the compressor sto ps for 6 minutes (minimum) bef[...]

50 Compressor starts for ≥ 5 minutes ▲ T ≤ 2.5°C for 2 minutes Compressor OFF Compressor restart ▲ T = Intake air temperature – Indoor heat excha nger temperature 13.5 Freeze Prevention Control • To protect indoor heat exchanger from freezi ng and to prevent higher volume of refrigerant in liquid form return to compressor. • This con[...]

51 14. Servicing Mode 14.1 Auto OFF/ON Button Auto OFF/ON Button Pressed A uto OFF/ON Button Pressed Auto OFF/ON Button Pressed 5 sec 5 sec Auto Operation Test Run Operation (Forced Cooling Operation) Stop Various Setting Mode Stop 1 AUTO OPERATION MODE The Auto Operation will be activated immediately once the Auto OFF/ON button is pressed. This op[...]

52 14.2 Remote Control Button 14.2.1 SET Button • To check current remote cont rol transmission code and store the transmi ssion code to EEPROM: o Press “Set” button for more than 10 second s o Press “Timer Set” button u ntil a “beep” sound is heard as confirmati on of transmission code change. • To change the air quality sensor: o [...]

53 15. T roubleshooting Guide 15.1 Refrigeration cycle system In order to diagnose malfunctions, ensu re the air conditioner is free from electrical problems bef ore inspecting the refrigeration cycle. Such problems include in sufficient insulation, problem with the power source, malfunction of a compressor a nd a fan. The normal outlet air tempera[...]

54 15.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during operation Insufficient refrigerant (gas leakage) Ô Ô Ô Clogged capillary tube or strainer Ô Ô Ô Short circuit in the indoor unit Ô Ô Ô Heat ra[...]

55 WA RN ING 16. Disassembly and Assembly Instructions High Voltage is generated in the electrical parts area by the capacitor. Ensure that t he capac itor has discharged sufficiently before proceeding with repair work. Failure to heed this cauti on may result in electric shocks. 16.1 Indoor Electronic Controllers, Cro ss Flow Fan and Indoor Fan Mo[...]

56 16.1.3 To remove power electronic controller Figure 3 Figure 4 Figure 5 Figure 6[...]

57 16.1.4 To remove discharge grille Figure 7 16.1.5 To remove control board Figure 8 16.1.6 To remove cross flow fan and indoor fan motor Figure 9[...]

58 Figure 10 Figure 11 Figure 12[...]

59 17. T echnical Data 17.1 Operation Characteristics 17.1.1 CS-C18KKS CU-C18KKS • Cooling Characteristic o Room temperature: 27°C (DBT), 19°C (WBT) o Operation condition: High fan speed o Piping length: 5.0m Gas S ide Pipi ng Pr essur e ( MPa) Capacity (kW) Outdoor T emperature (ºC) Outdoor T emperature (ºC) 22 0V 22 0V Curre nt (A) Outdo or[...]

60 • Piping Length Characteristic o Outdoor temperature: 35°C (DBT), 24°C (WBT) o Operation condition: High fan speed o Piping length: 5.0m Current (A ) Gas Side Piping Pressure (MPa) Capa city (kW) Outlet Air (º C ) 22 0V Pi ping L ength (m) 22 0V Pi ping L ength (m) Pi ping L ength (m) 22 0V Pi ping Len gth (m) 22 0V 14. 5 14. 6 14. 7 14. 8 [...]

61 17.1.2 CS-C24KKS CU-C24KKS • Cooling Characteristic o Room temperature: 27°C (DBT), 19°C (WBT) o Operation condition: High fan speed o Piping length: 5.0m Current (A ) Gas Si de Piping Pressure ( MPa) Capacit y (kW) Outl et Air (ºC ) Outdoor T emperature (ºC) Outdoor T emperature (ºC) Outdoor T emperature (ºC) Outdoor T emperature (ºC) [...]

62 • Piping Length Characteristic o Outdoor temperature: 35°C (DBT), 24°C (WBT) o Operation condition: High fan speed o Piping length: 5.0m Current (A ) Gas Side Piping Pressure (MPa) Capa city (kW) Outlet Air (º C ) 22 0V Pi ping L ength (m) 22 0V Pi ping L ength (m) Pi ping L ength (m) 22 0V Pi ping Len gth (m) 22 0V 3 5 7 9 11 13 15 17 19 2[...]

63 18. Exploded View and Replacement Part s List 18.1 Indoor Unit Note The above exploded view is for the purp os e of parts disassembly and replaceme nt. The non-numbered pa rts are not kept as standard service parts.[...]

64 REF. NO. PART NAME & DESCRIPTION QTY CS-C18KKS CS-C24KKS REMARK 1 CHASSY COMPLETE 1 CWD50C1654 ← 2 FAN MOTOR 1 L6CBYYYL0037 L6CBYYYL0039 O 3 CROSS FLOW FAN COMPLETE 1 CWH02C1077 ← 4 BEARING ASS’Y 1 CWH64K007 ← 5 SCREW - CROS S FLOW FAN 1 CWH551146 ← 6 ION GENERATOR 1 CWH94C002 8 ← 7 EVAPORATOR 1 CWB30C3126 CWB30C3268 8 FLARE NUT [...]

65 50 DRAIN HOSE 1 CWH851173 ← 51 BAG COMPLETE - INSTALLATI ON SCREW 1 CWH82C1705 ← 52 INSTALLATION PLATE 1 CWH361098 ← 53 FULCRUM 2 CWH621103 ← 54 OPERATING INSTRUCTION 1 CWF567115 ← 55 INSTALLATION INSTRUCTION 1 CWF614219 ← 56 INSTALLATION INSTRUCTION 1 CWF614220 ← 57 POWER SUPPLY CORD 1 CWA20C2836 ← (Note) • All parts are suppl[...]

66 18.2 Outdoor Unit Note The above exploded view is for the purp os e of parts disassembly and replaceme nt. The non-numbered pa rts are not kept as standard service parts.[...]

67 REF. NO. PART N A ME & DESCRIPTION QTY CU-C18KKS CU-C24KKS REMARK 1 CHASSY ASS’Y 1 CWD50K2115 CWD50K2100 2 SOUND PROOF MATERIAL 2 CWG302408 ← 3 FAN MOTOR BRACKET 1 CWD541065 ← 4 SCREW - FAN MOT OR BRACKET 2 CWH551217 ← 5 FAN MOTOR 1 CW A951401J CWA951399J O 6 SCREW - FAN MOT OR MOUNT 3 CWH55252J ← 7 PROPELLER FAN ASS’Y 1 CWH03K10[...]