Instruction/ maintenance manual of the product CS-E12NKUAW Panasonic
Go to page of 90
© Panasonic HA Air-Conditioni ng (M) Sdn. Bhd. 2011. Unauthorized copying and distribu tion is a violation of law. Order No: PHAAM1111087C1 Indoor Unit Outdoor Unit CS-E9NKUAW CS-E12NKUAW CU-E9NKUA CU-E12NKUA Please file and use this manual together with the service manual for Model No.
2 12.3 Outdoor Fan Moto r Operation ....................31 12.4 Airflow Dire ction..........................................31 12.5 Quiet Operation (Cooling Mode/Cooling Area of Dry Mode) ...............................................32 12.6 Quiet Operation (Heating) .
3 CA UTI ON 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.
4 CA UTI ON 19. During installation, install the refrigerant piping properly before run the compress or. (Operation of compressor without fi xing refrigeration piping and valves at opened condition will c ause suck-in of air, abnormal high pressure in refrigeration cycle and result in exp losion, injury etc.
5 2. S pecification Indoor CS-E9NKUAW CS-E12NKUAW Model Outdoor CU-E9NKUA CU-E12NKUA Performance Test Condition ARI ARI Phase, Hz Single, 60 Single, 60 Power Supply V 208 230 208 230 Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. kW 1.20 2.
6 Type Propeller Propeller Material PP PP Motor Type DC (8 poles) DC (8 poles) Input Power W - - Output Power W 40 40 Outdoor Fan Speed Hi rpm C: 830 H: 780 C: 830 H: 780 Moisture Removal L/h (Pt/h) 0.6 (1.3) 1.2 (2.5) QLo m 3 /min (ft 3 /min) Cooling : 5.
7 DRY BULB WET BULB DRY BULB WET BULB Maximum 89.6 73.4 89.6 73.4 Indoor Operation Range (Cooling) Minimum 60.8 51.8 60.8 51.8 Maximum 109.4 78.8 109.4 78.8 Outdoor Operation Range (Cooling) Minimum 5.0 - 5.0 - Maximum 86.0 - 86.0 - Indoor Operation Range (Heating) Minimum 60.
8 3. Features Inverter Technology o Wider output power range o Energy saving o Quick Cooling o More precise temperature control Environment Protection o Non-ozone depletion substances refriger.
9 4. Location of Controls and Components 4.1 Indoor Unit 4.2 Outdoor Unit 4.3 Remote Control.
10 5. Dimensions 5.1 Indoor Unit.
11 5.2 Outdoor Unit.
12 6. Refrigeration Cycle Diagram.
13 7. Block Diagram.
14 8. Wiring Connection Diagram 8.1 Indoor Unit.
15 8.2 Outdoor Unit.
16 9. Electronic Circuit Diagram 9.1 Indoor Unit.
17 9.2 Outdoor Unit.
18 10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board.
19 10.1.2 Power Printed Circuit Board 10.1.3 Indicator Prin ted Circuit Board.
20 10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board.
21 11. Inst allation Instruction 11.1 Select th e 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.
22 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 center 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 should more than d .
23 11.2.3 Indoor Unit Installation 11.2.3.1 For the right rear piping 11.2.3.2 For the right bottom piping 11.2.3.3 For the embedded piping (This can be use d for left rear piping and bottom piping also.
24 11.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside co nnection cable can be connected without remo ving the front grille. 2. Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut, then secure it against chassi s.
25 11.2.5 Wiring 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 .
26 11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit After selecting the best lo cation, start installation a ccording to indoor/outdoor un it installation diagram. 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø13/32" ).
27 11.3.2.3 Connecting the piping to outdoor multi Decide piping length and then cut by usi ng 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 valve and then tighten with torque wrench to the specifie d torque as stated in the table.
28 8. Mount valve caps onto the 2- way valve and the 3-way valve. o Be sure to check for gas leakage. 11.3.3.1 Connect the Cable to the Outdoor Unit 1. Remove Top panel. 2. Remove Control Board Cover (Re sin and Metal). 3. Remove Plugs. 4. Fix the conduit connectors to the knockout holes with lock-nuts, then secure them again st the side panel.
29 12. Operation Control 12.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operation mode as time passes, automatically adjusts output power fo r maximum comfort always.
30 12.1.4.2 Automatic Operation This mode can be set u sing remote control and the operation i s decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature.
31 [Heating] o According to indoor pipe te mperature, automati c heating fan speed is determine d as follows. Feedback control o Immediately after the fan motor started, f eedback control is pe rformed once every second.
32 12.4.2 Horizontal Airflow The horizontal airflow dire ction l ouvers can be adjusted manually by hand. 12.5 Quiet Operation (Cooling Mode /Cooling Area of Dry Mode) Purpose o To provide quiet cooling op eration compare to no rmal operation.
33 Control contents o Fan speed aut o Indoor FM RPM depends on pipe temperature sensor of indoor heat exchan ger. Auto fan speed is changed from normal settin g to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB.
34 12.10 Indication Panel Note: If POWER LED is blinking, the possible operation of t he unit are Hot Start, during Dei ce operation, operation mode judgment, or ON timer sampling. If Timer LED is blinking, there is an abnormality operati on occurs.
35 13. Operation Control (For Multi Split Connection) During multi split connection, indoor unit’s ope ration controls are same with single split conne ction unless specified in this chapter.
36 13.4 Automatic Operation This mode can be set using remote cont rol and the operation is decided by rem ote control setting temperature, remote control operation mode, indoor intake and outdoor air temperature.
37 14. Protection Control 14.1 Protection Control For All Operations 14.1.1 Restart Control (T ime Delay Safety Control) The compressor will not turn on within 3 minutes fro m the moment operation stops, although the unit is turned on again by pressing OFF/ON button at re mote control within this p eriod.
38 14.1.5 Compressor Overheating Prevention Control Instructed frequency for compre ssor operation will be regulated by compre ssor discharge temperature. The changes of frequency are as bel ow. If compressor discharge te mperature exceeds 224.
39 14.2.2 Cooling Overload Control Pipe temperature limitation / restriction. o Detects the outdoor pipe te mperature and carry out re striction / limitation below (Limit the compre ssor operation frequency) o The compressor stops if outdoor pi pe temperature exceeds 1 41.
40 14.2.6.2 Outdoor Air Temperature Control The maximum current value is regulated whe n the out door air temperature rise above 57.2°F in order to avoid compressor overloadi ng. The compressor will be stopped to avoid comp ressor overloading.
41 15. Servicing Mode 15.1 Auto Off/On Button 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner wi th limited func tion if remote control is misplaced or m alfunction.
42 Press Auto OFF/ON button to toggle remote cont rol receiving sound. - Short “beep”: Turn OFF remote cont rol receiving sound. - Long “beep”: Turn ON remote control receiving sou nd. After Auto OFF/ON button is pressed, the 20 seco nd s counter for Remote Control Receiving Sound OFF/ON Mode is restarted.
43 16. T roubleshooting Guide 16.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no electrical problems before inspectin g the refrigeration cycle. Such problems incl ude insufficient insulation, proble m with the power source, malfunction of a compressor a nd a fan.
44 16.1.1 Relationship between the condition of the air conditioner and pressure and electric current Carry out the measurements of pressure, electric cu rrent, and tempe rature fifteen minutes after an operation is started.
45 16.2 Breakdown Self Diagnosis Function 16.2.1 Self Diagnosis Function (Thr ee Digits Alphanumeric Code) Once error occurred during operatio n, the uni t will stop its operation, and Timer LED blinks. Although Timer LED goes off when power supply is turn ed off, if the unit is ope rated under a breakdown condition, the LED will ON again.
46 16.3 Error Code Table.
47 Note: “ ○ ” – Frequency measured and fan spee d fixed The memory data of error code is erased when the powe r supply is cut off, or press the Auto Switch until “beep” sound heard following by pressing the CHECK button at remote control.
48 16.4 Self-diagnosis M ethod 16.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he data recei ved from outdoor unit in indoor unit signa l transmission is checked whether it is no rmal.
49 16.4.2 H12 (Indoor/Outdoor Cap acity Rank Mismatched) Malfunction Decision Conditions During startup, error code appears when different ty pes of indoor and outdo or units are interconnected. Malfunction Caused Wrong models interconnected. Wrong indoor unit or outdoor unit PCBs mounted.
50 16.4.3 H14 (Indoor Intake Air Temp erature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures d etected by the indoor intake air temperature sensor are used to determine sensor e rrors.
51 16.4.4 H15 (Compressor Temper ature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures d etected by the outdoor compressor temperature sensor are used to determine sensor e rrors.
52 16.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions A current transformer (CT) is detected by checking the compressor running frequency ( ≥ rated frequency ) and CT detected input current (less than 0.65A) for continuou sly 20 seconds.
53 16.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operati on is used to determine abnorm al.
54 16.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures d etected by the indoor heat exchanger temperature sensor are used to determine sensor e rrors.
55 16.4.8 H27 (Outdoor Air Temper ature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, the temperatures detecte d by the outdoor air temperature sensor are used to determine sensor errors.
56 16.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, the temperatures detecte d by the outdoor pipe temperature sensor are used to determine sensor errors.
57 16.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures d etected by the outdoor discharge pi pe temperature sensor are used to determine sensor e rrors.
58 16.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures d etected by the outdoor heat exchanger temperature sensor are used to determine sensor e rrors.
59 16.4.12 H33 (Unspecified Voltag e between Indoor and Outdoor) Malfunction Decision Conditions The supply power is detec ted for its requir ement by the indoor/ outdoor tran smission. Malfunction Caused Wrong models interconnected. Wrong indoor unit and outdoor unit PCB s used.
60 16.4.13 H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, the temperatures detecte d by the outdoor gas pipe temperature sensor are used to determine sensor e rrors. Malfunction Caused Faulty connector connecti on.
61 16.4.14 H37 (Outdoor Liquid Pipe Te mperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures d etected by the outdoor liquid pipe temperature sensor are used to determine sensor e rrors.
62 16.4.15 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operati on is used to determine abnorm al fan motor. Malfunction Caused Operation stops due to short circuit inside the fan motor win ding.
63 16.4.16 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions During heating operation, the temperature dete cted by the indoor pipe temperature sensor i s above 140°F.
64 16.4.17 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions Freeze prevention control take s place (when indoor pipe temperatu re is lower than 35.
65 16.4.18 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions When cooling operation, when ind oor pipe temperature or indoor heat exchange r temperature sensor is above 113°F. Malfunction Caused Faulty connector connecti on.
66 16.4.19 F17 (Indoor Standby Un its Freezing Abnormality ) Malfunction Decision Conditions When the different between indoor intake air tempe rature and indoor pipe tempe rature is above 50°F or indoor pipe temperature is belo w 30.
67 16.4.20 F90 (Power Factor Correction Protection) Malfunction Decision Conditions During startup and operati on of cooling and heating, whe n Power Factor Correction (P FC) protection circui try at the outdoor unit main PCB senses abnormal high DC voltage level.
68 16.4.21 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions During cooling, compresso r frequency = Fcmax. During cooling and heating operation, running current: 0.65A < I < 1.65A. During cooling, indoor intake - ind oor pipe < 39.
69 16.4.22 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checkin g the compressor running condition throug h the position detection circuit.
70 16.4.23 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooli ng, when outdoor unit heat e xchanger high temperature data (141.8°F) is detected by the outdoor pipe temperature sensor. Malfunction Caused Outdoor pipe temperature rise due to sh ort circuit of hot discharge air flow.
71 16.4.24 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooli ng and heating, when IPM temper ature data (212° F) is detected by the IPM temperature sensor . Malfunction Caused IPM overheats due to short circuit of hot discharge ai r flow.
72 16.4.25 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooli ng and heating, when com pressor tank temperature data (233.6°F) is detected by the compressor tank temperature sen sor. Malfunction Caused Refrigerant shortage (refrigerant leakage).
73 16.4.26 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling and heating operatio n, when an input over-curr ent (16.8A) is detected by checking the input current value being detected by current tran sforme r (CT) with the compressor running.
74 16.4.27 F99 (Output O ver Current Detection) Malfunction Decision Conditions During operation of cooli ng and heating, when an output over-cur rent (18.5A) is detecte d by checking the current that flows in the inverter DC peak sensing circuitry. Malfunction Caused DC peak due to compresso r failure.
75 WA RN ING 17. Disassembly an d 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.
76 17.1.1.2 To remove discharge grille.
77 17.1.1.3 To remove control board 17.1.1.4 To remove cross flow fan and indoor fan motor.
78.
79 18. T echnical Dat a 18.1 Operation Characteristics 18.1.1 CS-E9NK CU-E9NK Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Freq uency : Fc 55.000 56.
80 Piping Length Characteri stic Cooling o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F (DBT) o Compressor Freq uency : Fc 2.410 2.430 2.450 2.470 2.490 2.510 9 1 11 31 51 71 92 12 32 52 72 9 3 13 33 53 73 94 14 34 54 74 95 1 P iping Length ( f t) C oolin g Capacity ( kW) 139.
81 Heating Characteristic o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Freq uency : Fh 84.
82 Piping Length Characteri stic Heating o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Outdoor temperature: 47°F (DBT), 43°F (WBT ) o Compressor Freq uency : Fh 3.000 3.050 3.100 3.150 3.200 3.250 3.300 9 1 11 31 51 71 92 12 32 52 72 9 3 13 33 53 73 94 14 34 54 74 95 1 P iping Length ( f t) Heating Capacity ( kW) 98.
83 18.1.2 CS-E12NK CU-E12NK Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping length: 24.
84 Piping Length Characteri stic Cooling o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F (DBT) o Compressor Freq uency : Fc 3.420 3.440 3.460 3.480 3.500 3.520 9 1 11 31 51 71 92 12 32 52 72 9 3 13 33 53 73 94 14 34 54 74 95 1 P iping Length ( f t) C oolin g Capacity ( kW) 135.
85 Heating Characteristic o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Freq uency : Fh 86.
86 Piping Length Characteri stic Heating o Room temperature: 68°F (DBT) o Operation condition: High fan speed o Outdoor temperature: 47°F (DBT), 43°F (WBT ) o Compressor Freq uency : Fh 3.800 3.850 3.900 3.950 4.000 4.050 4.100 9 1 11 31 51 71 92 12 32 52 72 9 3 13 33 53 73 94 14 34 54 74 95 1 P iping Length ( f t) Heating Capacity ( kW) 96.
87 19. Exploded View and Replacement Part s List 19.1 Indoor Unit Note The above exploded view is for the purp os e of parts disassembly and replaceme nt.
88 REF. NO. PART NAME & DESCRIPTION QTY. CS-E9NKUAW CS-E12NKU A W REMARK 1 CHASSIS COMPLETE 1 CWD50C1633 ← 2 FAN MOTOR 1 L6CBYYYL0055 ← O 3 CROSS-FLOW FAN COMPLETE 1 CWH02C1076 ← 4 BEARING A.
89 19.2 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.
90 REF. NO. PART N A ME & DESCRIPTION QTY. CU-E9NKUA CU-E12NKUA REMARK 1 CHASSIS ASSY 1 CWD50K2081A ← 2 FAN MOTOR BRACKET 1 CWD541089 ← 3 SCREW - FAN MOTOR BRACKET 2 CWH551217 ← 4 FAN MOTOR .
An important point after buying a device Panasonic CS-E12NKUAW (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Panasonic CS-E12NKUAW yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Panasonic CS-E12NKUAW - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Panasonic CS-E12NKUAW you will learn all the available features of the product, as well as information on its operation. The information that you get Panasonic CS-E12NKUAW will certainly help you make a decision on the purchase.
If you already are a holder of Panasonic CS-E12NKUAW, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Panasonic CS-E12NKUAW.
However, one of the most important roles played by the user manual is to help in solving problems with Panasonic CS-E12NKUAW. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Panasonic CS-E12NKUAW along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
