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14.1.1 Relationship between the condition of the air conditioner and pressure and

electric current

Condition of the

air conditioner

Cooling Mode

Low Pressure

High Pressure

Electric current during operation

Insufficient refrigerant

(gas leakage)



Clogged capillary tube or

strainer



Short circuit in the indoor unit



Heat radiation deficiency

of the outdoor unit



Inefficient compression





• Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation is started.

Содержание CS-PS9PKV

Страница 1: ...or repairing of refrigerant circuit WARNING 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...

Страница 2: ...uto Restart Control 51 11 7 Indication Panel 51 11 8 ECONAVI AUTO COMFORT Operation 52 12 Protection Control 56 12 1 Restart Control Time Delay Safety Control 56 12 2 30 Seconds Forced Operation 56 12...

Страница 3: ...mmended to install with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not...

Страница 4: ...for maintenance 6 Pb free solder has a higher melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the sol...

Страница 5: ...Type Hermetic Motor Rotary Hermetic Motor Rotary Motor Type Brushless 6 poles Brushless 6 poles Output Power W 650 650 Indoor Fan Type Cross flow fan Cross flow fan Material ASG20K1 ASG20K1 Motor Typ...

Страница 6: ...ated Aluminium Pre coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 2 x 15 x 17 2 x 15 x 17 Size W x H x L mm 610 x 315 x 25 4 610 x 315 x 25 4 Outdoor Heat Exchanger Fin Material Aluminium Blue co...

Страница 7: ...w fan Cross flow fan Material ASG30K1 ASG30K1 Motor Type DC Transistor 8 poles DC Transistor 8 poles Input Power W 94 8 94 8 Output Power W 40 40 Speed Lo rpm 930 960 Me rpm 1110 1140 Hi rpm 1300 1330...

Страница 8: ...15 x 25 4 Outdoor Heat Exchanger Fin Material Aluminium Blue coated Aluminium Blue coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 2 x 24 x 17 1 x 31 x 19 Size W x H x L mm 25 4 x 504 x 693 4 713...

Страница 9: ...9 3 Location of Controls and Components 3 1 Indoor Unit 3 2 Outdoor Unit 3 3 Remote Control...

Страница 10: ...10 4 Dimensions 4 1 Indoor Unit 4 1 1 CS PS9PKV CS PS12PKV...

Страница 11: ...11 4 1 2 CS PS18PKV CS PS24PKV...

Страница 12: ...12 4 2 Outdoor Unit 4 2 1 CU PS9PKV 4 2 2 CU PS12PKV CU PS18PKV...

Страница 13: ...13 4 2 3 CU PS24PKV...

Страница 14: ...14 5 Refrigeration Cycle Diagram 5 1 CS PS9PKV CU PS9PKV CS PS12PKV CU PS12PKV...

Страница 15: ...15 5 2 CS PS18PKV CU PS18PKV CS PS24PKV CU PS24PKV...

Страница 16: ...16 6 Block Diagram 6 1 CS PS9PKV CU PS9PKV...

Страница 17: ...17 6 2 CS PS12PKV CU PS12PKV...

Страница 18: ...18 6 3 CS PS18PKV CU PS18PKV...

Страница 19: ...19 6 4 CS PS24PKV CU PS24PKV...

Страница 20: ...20 7 Wiring Connection Diagram 7 1 Indoor Unit 7 1 1 CS PS9PKV CS PS12PKV Resistance of Fan Motor Windings MODEL CS PS9PKV CS PS12PKV CONNECTION CWA921443 YELLOW BLUE 382 0 RED YELLOW 226 8...

Страница 21: ...21 7 1 2 CS PS18PKV CS PS24PKV...

Страница 22: ...2 1 CU PS9PKV Resistance of Compressor Windings Resistance of Fan Motor Windings MODEL CU PS9PKV MODEL CU PS9PKV CONNECTION 5RS092XCE21 CONNECTION CWA951734 U V 1 152 YELLOW BLUE 338 0 U W 1 152 RED Y...

Страница 23: ...2PKV Resistance of Compressor Windings Resistance of Fan Motor Windings MODEL CU PS12PKV MODEL CU PS12PKV CONNECTION 5RS092XCD21 CONNECTION CWA951466 U V 1 152 YELLOW BLUE 262 7 U W 1 152 RED YELLOW 2...

Страница 24: ...24 7 2 3 CU PS18PKV Resistance of Compressor Windings MODEL CU PS18PKV CONNECTION 5RD132XDA21 U V 1 152 U W 1 152 V W 1 152...

Страница 25: ...24PKV Resistance of Compressor Windings Resistance of Fan Motor Windings MODEL CU PS24PKV MODEL CU PS24PKV CONNECTION 5RD132XBA21 CONNECTION CWA951762 U V 1 897 YELLOW BLUE 75 0 U W 1 907 RED YELLOW 7...

Страница 26: ...26 8 Electronic Circuit Diagram 8 1 Indoor Unit 8 1 1 CS PS9PKV CS PS12PKV...

Страница 27: ...27 8 1 2 CS PS18PKV CS PS24PKV...

Страница 28: ...28 8 2 Outdoor Unit 8 2 1 CU PS9PKV...

Страница 29: ...29 8 2 2 CU PS12PKV...

Страница 30: ...30 8 2 3 CU PS18PKV...

Страница 31: ...31 8 2 4 CU PS24PKV...

Страница 32: ...32 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board 9 1 1 1 CS PS9PKV CS PS12PKV...

Страница 33: ...33 9 1 1 2 CS PS18PKV CS PS24PKV 9 1 2 Indicator and Receiver Printed Circuit Board...

Страница 34: ...34 9 1 3 Comparator Printed Circuit Board 9 1 4 Human Activity Sensor Printed Circuit Board...

Страница 35: ...35 9 2 Outdoor Unit 9 2 1 Main Printed Circuit Board 9 2 1 1 CU PS9PKV...

Страница 36: ...36 9 2 1 2 CU PS12PKV...

Страница 37: ...37 9 2 1 3 CU PS18PKV...

Страница 38: ...38 9 2 1 4 CU PS24PKV...

Страница 39: ...39 9 2 2 Noise Filter Printed Circuit Board 9 2 2 1 CU PS9PKV...

Страница 40: ...ed installation height for indoor unit shall be at least 2 5 m 10 1 2 Outdoor Unit If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the conden...

Страница 41: ...he marking off line with the thread and using a level gauge 2 Drill the piping plate hole with 70 mm hole core drill o Line according to the left and right side of the installation plate The meeting p...

Страница 42: ...2 3 Indoor Unit Installation 10 2 3 1 For the right rear piping 10 2 3 2 For the right and right bottom piping 10 2 3 3 For the embedded piping This can be used for left rear piping and bottom piping...

Страница 43: ...indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1 5 mm2 1 0 1 5HP or 4 x 2 5 mm2 2 0 2 5HP flexible cord type designation 245 IEC 57 or heavier cord Do not use joint conne...

Страница 44: ...hown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage 10 2 5 Wire Stripping And Connecting Requirement 10 2 6 Cutting and flaring the piping 1 Please...

Страница 45: ...ssembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wr...

Страница 46: ...g 0 MPa to 76 cmHg 0 1 MPa Then evacuate the air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not m...

Страница 47: ...board with the holder clamper 4 Attach the control board cover back to the original position with the screw 5 For wire stripping and connection requirement refer to instruction 10 2 4 of the indoor u...

Страница 48: ...2 Cooling Operation 11 1 2 1 Thermostat control Compressor is OFF when intake Air Temperature Internal Setting Temperature 0 5 C Compressor is ON after waiting for 3 minutes if the Intake Temperature...

Страница 49: ...ately after the fan motor is started feedback control is performed once every second o During fan motor on if fan motor feedback 2550 rpm or 50 rpm continuously for 10 seconds the fan motor error coun...

Страница 50: ...rol the vane will shift to close position Manual vertical airflow direction can be set using remote control the angles of the vane are as stated above and the positions of the vane are as figure below...

Страница 51: ...ation of air conditioner the compressor will re operate within three to four minutes There are 10 patterns to be selected randomly after power supply resumes This control is not applicable during OFF...

Страница 52: ...NAVI AUTO COMFORT Sensor power ON and end after 30 seconds Control content Judge ECONAVI AUTO COMFORT Sensor power level every 100ms Abnormal Judgment condition When ECONAVI AUTO COMFORT Sensor has co...

Страница 53: ...ted in order to provide comfort and energy saving ECONAVI Start condition Press ECONAVI button ECONAVI Stop condition Press ECONAVI button again OFF Timer activates Press OFF ON button to turn off the...

Страница 54: ...AVI AUTO COMFORT cannot be operated at the same time ECONAVI AUTO COMFORT sensor initialized time is 70 seconds from power supplied to ECONAVI AUTO COMFORT sensor or 70 seconds from the operation star...

Страница 55: ...D start blinking ECONAVI AUTO COMFORT sensor operation stops but the unit operates as normal and ECONAVI AUTO COMFORT sensor abnormal code is memorized the 4 times counter is ignored The blinking of E...

Страница 56: ...creased If the running current does not exceed X value for 5 seconds the frequency instructed will be increased However if total outdoor unit running current exceeds Y value compressor will be stopped...

Страница 57: ...s 30 5 C Remote Control setting 16 C and Hi Fan Speed Control contents o Compressor stops and restart after 3 minutes o If the conditions above happened 2 times within 20 minutes the unit will Stop op...

Страница 58: ...or Compressor stops for freeze prevention control o Either one of the conditions above occurs 5 times in 60 minutes Control contents o Operation stops o Timer LED blinks and H99 indicated 12 13 Dew P...

Страница 59: ...d be selected The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there are 2 or more units installed nea...

Страница 60: ...on unit a beep sound is heard as confirmation of transmission code change 13 2 2 RESET RC Button To clear and restore the remote control setting to factory default o Press once to clear the memory 13...

Страница 61: ...Mpa kg cm 2 G Outlet air Temperature C Cooling Mode 0 9 1 2 9 12 12 16 Condition Indoor fan speed High Outdoor temperature 35 C at cooling mode Compressor operate at rated frequency Different in the i...

Страница 62: ...w Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or strainer Short circuit in the indoor unit Heat radiation deficiency of the out...

Страница 63: ...2 3 To Display Memorized Error Code Protective Operation 1 Turn power on 2 Press the CHECK button on the remote control 3 will be displayed on the remote control display Note Display only for No sign...

Страница 64: ...Fan Motor H98 Indoor temperature rise abnormality Air filter dirty Air circulation short circuit H99 Indoor heat exchanger freeze prevention protection Insufficient refrigerant Air filter dirty F11 4...

Страница 65: ...transmission is checked whether it is normal Malfunction Caused Faulty indoor unit PCB Faulty outdoor unit PCB Indoor unit outdoor unit signal transmission error due to wrong wiring Indoor unit outdo...

Страница 66: ...re interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error...

Страница 67: ...tion Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors Malfunction Cause...

Страница 68: ...Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors Malfunction Caused F...

Страница 69: ...ons A current transformer CT is detected by checking the compressor running frequency rated frequency and CT detected input current less than 1 14A for continuously 20 seconds Malfunction Caused CT de...

Страница 70: ...termine abnormal fan motor feedback of rotation 2550rpm or 50rpm Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the...

Страница 71: ...Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused...

Страница 72: ...tion Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors Malfunction Caused Faul...

Страница 73: ...tion Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused Fau...

Страница 74: ...lfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused Wrong models interconnected Wrong indoor unit and outdoor unit PCBs...

Страница 75: ...ration is used to determine abnormal fan motor Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operati...

Страница 76: ...uring heating operation the temperature detected by the indoor pipe temperature sensor is above 60 C Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat...

Страница 77: ...n control takes place when indoor pipe temperature is lower than 2 C Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger Air short circuit Dete...

Страница 78: ...unction Decision Conditions When cooling operation when indoor pipe temperature or indoor heat exchanger temperature sensor is above 45 C Malfunction Caused Faulty connector connection Faulty indoor p...

Страница 79: ...eration of cooling and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal high DC voltage level Malfunction Caused DC voltage peak due to power...

Страница 80: ...cooling and heating operation running current 0 65A I 1 65A During cooling indoor intake indoor pipe 4 C Malfunction Caused Refrigerant shortage refrigerant leakage Poor compression performance of com...

Страница 81: ...lfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disco...

Страница 82: ...detected by the outdoor pipe temperature sensor Malfunction Caused Outdoor pipe temperature rise due to short circuit of hot discharge air flow Outdoor pipe temperature rise due to defective of outdo...

Страница 83: ...ture data 100 C is detected by the IPM temperature sensor Malfunction Caused IPM overheats due to short circuit of hot discharge air flow IPM overheats due to defective of outdoor fan motor IPM overhe...

Страница 84: ...n of cooling and heating when compressor tank temperature data 112 C is detected by the compressor tank temperature sensor Malfunction Caused Refrigerant shortage refrigerant leakage 2 3 way valve clo...

Страница 85: ...rent Control is detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Over current due to compressor failure Over current...

Страница 86: ...door unit PCB Troubleshooting Checking the power transistor Never touch any live parts for at least 10 minutes after turning off the circuit breaker If unavoidable necessary to touch a live part make...

Страница 87: ...the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 15 1 CS PS9 12PKV 15 1 1 Indoor Electronic Controllers Cross Fl...

Страница 88: ...88 Figure 3 Figure 4 15 1 3 To remove discharge grille Figure 5 11 Pull out to remove the drain hose from the discharge grille 12 Then pull the discharge grille downward gently to dismantle it...

Страница 89: ...and indoor fan motor Figure 7 Figure 8 16 Remove the bearing by pulling it out gently 15 Remove the screw from the evaporator 14 Remove the screw that holding the cross flow fan and fan motor axis 13...

Страница 90: ...val of cross flow fan Reminder To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 18 Remove the cross flow fan from the unit by pulling it to the l...

Страница 91: ...charged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 15 2 CS PS18 24PKV 15 2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan...

Страница 92: ...92 Figure 13 Figure 14 15 2 3 To remove discharge grille Figure 15 15 2 4 To remove control board Figure 16...

Страница 93: ...93 15 2 5 To remove cross flow fan and indoor fan motor Figure 17 Figure 18 Figure 19...

Страница 94: ...94 Figure 20...

Страница 95: ...00 15 800 16 000 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Outdoor Temperature C Outdoor Air Temperature C 220 2 000 2 200 2 400 2 600 2 800 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Cooling Capacity...

Страница 96: ...100 15 200 15 300 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Temperature C Piping Length m 220 2 400 2 500 2 600 2 700 3 4 5 6 7 8 9 10 11 12 13 14 15 Cooling Capacity kW Piping Length m 3 340 3 360 3 38...

Страница 97: ...40 41 42 43 Outdoor Temperature C Outdoor Air Temperature C 220 2 600 2 700 2 800 2 900 3 000 3 100 3 200 3 300 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Cooling Capacity kW Outdoor Air Temperature C...

Страница 98: ...5 900 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Temperature C Piping Length m 220 2 900 2 950 3 000 3 050 3 100 3 150 3 200 3 4 5 6 7 8 9 10 11 12 13 14 15 Cooling Capacity kW Piping Length m 3 920 3 94...

Страница 99: ...door Temperature C Outdoor Air Temperature C 220 4 500 4 700 4 900 5 100 5 300 5 500 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Cooling Capacity kW Outdoor Air Temperature C 6 200 6 400 6 600 6 800 7 0...

Страница 100: ...1 12 13 14 15 16 17 18 19 20 Outdoor Temperature C Piping Length m 220 4 950 5 000 5 050 5 100 5 150 5 200 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Cooling Capacity kW Piping Length m 6 600 6 70...

Страница 101: ...41 42 43 Outdoor Temperature C Outdoor Air Temperature C 220 5 200 5 400 5 600 5 800 6 000 6 200 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Cooling Capacity kW Outdoor Air Temperature C 7 500 8 000 8 5...

Страница 102: ...7 8 9 10 11 12 13 14 15 16 17 18 19 20 Outdoor Temperature C Piping Length m 220 5 600 5 700 5 800 5 900 6 000 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Cooling Capacity kW Piping Length m 8 100...

Страница 103: ...and Replacement Parts List 17 1 Indoor Unit 17 1 1 CS PS9PKV CS PS12PKV Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as sta...

Страница 104: ...OL BOARD TOP COVER 1 CWH131467 24 INDICATOR HOLDER 1 CWD933406 25 CONTROL BOARD FRONT COVER CO 1 CWH13C1247 26 DISCHARGE GRILLE COMPLETE 1 CWE20C3236 27 BACK COVER CHASSIS 1 CWD933233 28 FULCRUM 1 CWH...

Страница 105: ...CRIPTION QTY CS PS9PKV CS PS12PKV REMARK 53 C C CASE 1 CWG569891 CWG569892 56 POWER SUPPLY CORD 1 CWA20C3054 O Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are...

Страница 106: ...106 17 1 2 CS PS18PKV CS PS24PKV 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...

Страница 107: ...OVER 1 CWH131467 24 INDICATOR HOLDER 1 CWD933406 25 CONTROL BOARD FRONT COVER CO 1 CWH13C1247 26 DISCHARGE GRILLE COMPLETE 1 CWE20C3243 27 BACK COVER CHASSIS 1 CWD933031 28 FULCRUM 2 CWH621138 29 VERT...

Страница 108: ...ON QTY CS PS18PKV CS PS24PKV REMARK 53 C C CASE 1 CWG569893 CWG569894 56 POWER SUPPLY CORD 1 CWA20C2851 CWA20C2853 O Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked part...

Страница 109: ...109 17 2 Outdoor Unit 17 2 1 CU PS9PKV 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...

Страница 110: ...CWH151185 20 TERMINAL COVER 1 CWH171039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SENSOR COMPLETE COMP TEMP 1 CWA50C2205 O 24 SENSOR COMPLETE AIR PIPE TEMP 1 CWA50C2502 O 25 TERMINAL BOARD ASSY 1 CWA28...

Страница 111: ...111 17 2 2 CU PS12PKV 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...

Страница 112: ...2 20 TERMINAL COVER 1 CWH171039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SENSOR COMPLETE 1 CWA50C2205 O 24 SENSOR COMPLETE 1 CWA50C2764 O 25 TERMINAL BOARD ASSY 1 CWA28K1036J O 26 ELECTRONIC CONTROLLER...

Страница 113: ...113 17 2 3 CU PS18PKV 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...

Страница 114: ...H7080300J 22 SENSOR CO OUTDOOR COMP TEMP 1 CWA50C2205 O 24 SENSOR CO OUTDOOR AIR HEAT EXCHANGE TEMP 1 CWA50C2764 O 25 TERMINAL BOARD ASSY 1 CWA28K1036J O 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C7960R O...

Страница 115: ...115 17 2 4 CU PS24PKV Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service part...

Страница 116: ...J 22 SENSOR CO OUTDOOR COMP TEMP 1 CWA50C2185 O 27 SENSOR CO 1 CWA50C2769 O 28 REACTOR 1 G0C153J00005 O 29 TERMINAL BOARD ASSY 1 CWA28K1036J O 30 ELECTRONIC CONTROLLER MAIN 1 CWA73C7958R O 31 CONTROL...

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