Gebruiksaanwijzing /service van het product CS-ME7QKUA van de fabrikant Panasonic
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© Panasonic Corporation 2013 Order No: PAPAMY1312045CE Indoor Unit CS-ME7QKUA Destination U.S.A. Canada Please file and use this manual together with the service manual for Model No.
2 TABLE OF CONTENTS 1. Safety Pr ecautions ............................................. 3 2. Specification ....................................................... 5 3. Features ............................................................... 7 4. Location of Controls and Components .
3 CA UTION WA RNIN G WA RNIN G 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 UTION 19. During installation, install the refrigerant piping properly before run the compress or. (Operation of compressor without fi xing ref rigeration 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. Specification Model Indoor CS-ME7QKUA Outdoor CU-5E36QBU Performance Test Condition ARI Power Supply Phase, Hz Single, 60 V 208 230 Min. Mid. Max. Min. Mid. Max. Cooling Capacity kW 1.80 2.01 2.90 1.80 2.01 2.90 BTU/h 6100 6900 9900 6100 6900 9900 Running Current A - 2.
6 Model Indoor CS-ME7QKUA Outdoor CU-5E36QBU Drain Hose Inner Diameter mm (inch) 16.7 (5/8) Length mm (inch) 650 (25 -5/8) Indoor Heat Exchanger Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Row x Stage x FPI 2 x 15 x 21 Size (W x H x L) mm (inch) 25.
7 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 sub stances refrige.
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 6. Refrigeration Cycle Diagram.
11 7. Block Diagram.
12 8. Wiring Connection Diagram 8.1 Indoor Unit.
13 9. Electronic Circuit Diagram 9.1 Indoor Unit.
14 10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board.
15 10.1.2 Power Printed Circuit Board 10.1.3 Indicator Prin ted Circuit Board.
16 11. Installation 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.
17 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 it from the vibratio n. The center of installation plate sho uld be at more than at right and left of the wall. The distance from installation plate edge to ceiling sho uld more than .
18 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 used for left rear pipi ng and bottom piping also.
19 11.2.4 Connect the Cable to the Indoor Unit 1. The insi de and outside connectio n cable can be connected without remo ving the front grille. 2. Unscre w the conduit cover and fix the conduit connector to conduit cover with lock nut, then secure it against chassi s.
20 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 remove the burrs. 2 Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe .
21 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.
22 12.1.4.2 Automatic Operation This mode can be set using remote cont rol and the operation is decided by remote control setting temperature, remote control operation mode and indoor inta ke air temperature.
23 [Heating] o According to indoor pipe temperature, a u tomati c heating fan speed is determi ned as follows. Feedback control o Immediately after the fan motor started, f eedback control is performed on ce every second.
24 12.4.2 Horizontal Airflow The horizontal airflow direction l ouvers can be adj usted manually by hand. 12.5 Quiet Operation (Cooling Mode /Cooling Area of Dry Mode) Purpose o To provide quiet cooling operation compare to normal operation.
25 Control contents o Fan speed auto Indoor FM RPM depends on pipe temperature sensor of indoor he at exchanger. Auto fan speed is changed from normal settin g to quiet setting of respective fan speed. This is to reduce sound o f Hi, Me, Lo for 3dB.
26 12.10 Indication Panel Note: If POWER LED is blinking, the possible operation of t he unit are Hot Start, during Dei c e operation, operation mode judgment, or ON timer sampling. If Timer LED is blinking, there is an abnormality operati on occurs.
27 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.
28 For the 2nd judgment onwards o If indoor intake temperature - remote control setting temperature 5.4°F, if previous o perate in DRY mode, then continue in DRY mode, otherwise COOL mode is decided. o If -3.6°F ≤ indoor intake temperature - remote control setti ng temperature < 5.
29 14. Servicing Mode 14.1 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 misplace d or malfunction.
30 4 REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiv ing Sound OFF/ON Mode will be activated if the Auto OFF/ON butt on is pressed continuously for more than 16 seco nds (4 “bee.
31 15. T roubleshooting Guide 15.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no electrical problems before inspectin g the refrigeration cycle. Such problems include in sufficient insulation, problem with the power source, malfunction of a compressor a nd a fan.
32 15.1.1 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.
33 15.2 Breakdown Self Diagnosis Function 15.2.1 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.
34 15.3 Error Code Table.
35 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.
36 15.4 Self-diagnosis Method 15.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he data received from outdoor unit in indoor unit signa l transmission is checked whether it is no rmal.
37 15.4.2 H12 (Indoor/Outdoor Cap acity Rank Mismatched) Malfunction Decision Conditions During startup, error code appears when different ty pes of indoor a nd outdoor units are interconnected. Malfunction Caused Wrong models interconnected. Wrong indoor unit or outdoor unit PCBs mounted.
38 15.4.3 H14 (Indoor Intake Air Temp erature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures detected by the indoor intake air temperature sensor are used to determine sensor e r rors.
39 15.4.4 H15 (Compressor Temper ature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures detected by the outdoor compresso r temperature sensor are used to determine sensor e r rors.
40 15.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions A current transformer (CT) is detected by checking the comp ressor running frequency ( ≥ rated frequency ) and CT detected input current (less than 0.65A) for continuou sly 20 seconds.
41 15.4.6 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 abnormal fan motor (feedback of rotation > 2550rpm or < 50rpm) Malfunction Caused Operation stops due to short circuit insid e the fan motor winding.
42 15.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor e r rors.
43 15.4.8 H27 (Outdoor Air Temper ature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connecti on.
44 15.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors.
45 15.4.10 H30 (Compressor Discharge T emperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures detected by the outdoor discharge pi pe temperature sensor are used to determine sensor e r rors.
46 15.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor e r rors.
47 15.4.12 H33 (Unspecified Voltag e between Indoor and Outdoor) Malfunction Decision Conditions The supply power is detec ted for its requir ement by the indoor/out door transmission. Malfunction Caused Wrong models interconnected. Wrong indoor unit and outdoor unit PCB s used.
48 15.4.13 H36 (Outdoor Gas Pipe Sensor Abnormalit y) Malfunction Decision Conditions During startup and operati on of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor e r rors.
49 15.4.14 H37 (Outdoor Liquid Pipe Te mperature Sensor Abnormality) Malfunction Decision Conditions During startup and operati on of cooling and heating, t he temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor e r rors.
50 15.4.15 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 abnormal fan motor. Malfunction Caused Operation stops due to short circuit insid e the fan motor winding.
51 15.4.16 H98 (Indoor High Pressure Pr otection) Error Code will not display (no Time r 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.
52 15.4.17 H99 (Indoor Freeze Prevention Pr otection: Cooling or Soft Dry) Malfunction Decision Conditions Freeze prevention control take s place (when in door pipe temperature is lo wer than 35.
53 15.4.18 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions When cooling operation, when ind oor pipe temperature or indoor heat excha nger temperature sensor is ab ove 113°F. Malfunction Caused Faulty connector connecti on.
54 15.4.19 F17 (Indoor Standby Un its Freezing Abnormality) Malfunction Decision Conditions When the different between indoor intake air tempe r ature and indoor pipe tem perature is above 50°F or indoor pipe temperature is below 30.
55 15.4.20 F90 (Pow er Factor Correction Protection) Malfunction Decision Conditions During startup and operati on of cooling and heating, when Power Factor Correction (P FC) protection circuitry at the outdoor unit main PCB senses abnormal high DC voltage level.
56 15.4.21 F91 (Refrigeration Cycle Ab normality) Malfunction Decision Conditions During cooling, compresso r frequency = Fcmax. During cooling and heating operatio n, running current: 0.65A < I < 1.65A. During cooling, indoor intake - indoo r pipe < 39.
57 15.4.22 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checkin g the compressor running condition thro ugh the position detection circuit.
58 15.4.23 F95 (Cooling High Pressure Ab normality) Malfunction Decision Conditions During operation of cooli ng, when outdoor unit heat exchanger high temperature data (141.8°F) is detecte d by the outdoor pipe temperature sensor. Malfunction Caused Outdoor pipe temperature rise due to sh ort circuit of hot discharge air flow.
59 15.4.24 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooli n g and heating, when IPM temper ature da ta (212°F) is detected by the IPM temperature sensor . Malfunction Caused IPM overheats due to short circuit of hot discharge ai r flow.
60 15.4.25 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooli n g and heating, when com pressor tank temperature data (233.6°F) i s detected by the compressor tank temperature sen s or. Malfunction Caused Refrigerant shortage (refrigerant leakag e).
61 15.4.26 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 sformer (CT) with the compressor running.
62 15.4.27 F99 (Output Over Current Detection) Malfunction Decision Conditions During operation of cooli n g and heating, when an outp ut over-cur rent (18.5A) is detected by checking the current that flows in the inverter DC peak sensing circuitry. Malfunction Caused DC peak due to compre ssor failure.
63 WA RNIN G 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.
64 16.1.1.2 To remove discharge grille.
65 16.1.1.3 To remove control board 16.1.1.4 To remove cross flow fan and indoor fan motor.
66.
67 17. Exploded V iew and Replacement Parts List 17.1 Indoor Unit Note The above exploded view is for the purp os e of parts disassembly and repl acement.
68 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-ME7QKUA REMARK 1 CHASSIS COMPLETE 1 CWD50C1633 2 FAN MOTOR 1 L6CBYYY L0055 O 3 CROSS-FLOW FAN COMPLE TE 1 CWH02C1076 4 BEARING ASSY 1 CWH64K007 5.
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