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13.1.5.

Compressor Overheating Prevention Control

• Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of

frequency are as below.

• If compressor discharge temperature exceeds 110

C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will

be blinking. (“F97” is indicated.)

13.1.6.

Low Pressure Prevention Control (Gas Leakage Detection)

a. Control start conditions

• For 5 minutes, the compressor continuously operates and outdoor total current is between 0.65A and 1.65A.
• During Cooling and Soft Dry operations:

Indoor suction temperature - indoor piping temperature is below 4

• During Heating operations :

Indoor piping temperature - indoor suction is under 5

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” indicated.

13.1.7.

Compressor Tank Temperature Rise Protection Control

a. Control start conditions

• For 5 minutes, the compressor continuously operates and outdoor total current is between 0.65A and 1.65A.
• During Cooling and Soft Dry operations:

Indoor suction temperature - indoor piping temperature is below 4

Indoor temperature and outdoor temperature is 30±5

Remote Control setting 16

C and Hi Fan Speed.

• During Heating operations:

Indoor piping temperature - indoor suction is under 5

Indoor temperature and outdoor temperature is 20 ± 2

Remote control setting 30

C 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” indicated

13.1.8.

Low Frequency Protection Control 1

• When the compressor operate at frequency lower than 24 Hz continued for 20 minutes, the operation frequency will be changed

to 23 Hz for 2 minutes.

Содержание CS-CE7HKEW

Страница 1: ...10 2 5 Outdoor Unit CU 3E18EBE 11 2 6 Outdoor Unit CU 3E23CBPG CU 4E27CBPG 12 3 Features 16 4 Location of Controls and Components 18 4 1 Indoor Unit 18 4 2 Outdoor Unit 18 4 3 Remote Control 18 5 Dimensions 19 5 1 Indoor Unit 19 5 2 Outdoor Unit 20 6 Refrigeration Cycle Diagram 21 7 Block Diagram 22 8 Wiring Connection Diagram 23 8 1 Indoor Unit 23 8 2 Outdoor Unit 24 9 Electronic Circuit Diagram ...

Страница 2: ...rrect rating of the power plug and main circuit for the model installed The caution items stated here must be followed because these important contents are related to safety The meaning of each indication used is as below Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications The items to be fo...

Страница 3: ...ressor without fixing the piping setting the valves at open condition a burst may occur and cause injury 17 After completion of installation or service confirm there is no leakage or refrigerant gas It may generate toxic gas when the refrigerant contacts with fire 18 Ventilate if there is refrigerant gas leakage during operation It may cause toxic gas when refrigerant contacts with fire 1 Do not i...

Страница 4: ... 210 Me m3 min ft3 min Cooling 7 5 270 Heating 8 45 300 Hi m3 min ft3 min Cooling 10 2 360 Cooling 28 8 1020 Heating 10 7 380 Heating 28 8 1020 SHi m3 min ft3 min Cooling 10 6 370 Heating 11 1 390 Refrigeration Control Device Check Valve Capillary Tube Refrigeration Oil cm3 RB68A or Freol Alpha68M 320 Refrigerant R410A g oz 790 27 9 Dimension Height mm inch 280 11 1 32 540 21 9 32 Width mm inch 79...

Страница 5: ...eat rpm 680 780 Lo Cool Heat rpm 780 850 Me Cool Heat rpm 1010 1085 Hi Cool Heat rpm 1240 1320 750 SHi Cool Heat rpm 1310 1390 Heat Exchanger Fin Material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 17 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material Polypropelene Type One Touch Item Unit Power Source Phase Voltage...

Страница 6: ... min ft3 min Cooling 7 8 280 Heating 8 8 310 Hi m3 min ft3 min Cooling 10 4 370 Cooling 29 8 1050 Heating 11 0 390 Heating 29 8 1050 SHi m3 min ft3 min Cooling 10 95 390 Heating 11 7 410 Refrigeration Control Device Check Valve Capillary Tube Refrigeration Oil cm3 RB68A or Freol Alpha68M 320 Refrigerant R410A g oz 965 34 1 Dimension Height mm inch 280 11 1 32 540 21 9 32 Width mm inch 799 31 15 32...

Страница 7: ...0 940 Me Cool Heat rpm 1070 1170 Hi Cool Heat rpm 1310 1400 770 SHi Cool Heat rpm 1390 1490 Heat Exchanger Fin Material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 19 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material Polypropelene Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input P...

Страница 8: ...3 min ft3 min Cooling 8 75 310 Heating 10 2 360 Hi m3 min ft3 min Cooling 11 2 400 Cooling 31 0 1090 Heating 11 7 410 Heating 31 0 1090 SHi m3 min ft3 min Cooling 11 7 410 Heating 12 1 430 Refrigeration Control Device Check Valve Capillary Tube Refrigeration Oil cm3 RB68A or Freol Alpha68M 320 Refrigerant R410A g oz 980 34 6 Dimension Height mm inch 280 11 1 32 540 21 9 32 Width mm inch 799 31 15 ...

Страница 9: ... 1150 Me Cool Heat rpm 1175 1325 Hi Cool Heat rpm 1430 1500 830 SHi Cool Heat rpm 1500 1550 Heat Exchanger Fin Material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 21 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material Polypropelene Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input P...

Страница 10: ...10 2 4 Outdoor Unit CU 2E15GBE ...

Страница 11: ...11 2 5 Outdoor Unit CU 3E18EBE ...

Страница 12: ...12 2 6 Outdoor Unit CU 3E23CBPG CU 4E27CBPG ...

Страница 13: ...13 ...

Страница 14: ...14 ...

Страница 15: ...15 ...

Страница 16: ...ant R410A Long Installation Piping CS CU CE7 9 12HK 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 Noise prevention during soft dry operation Operation Improvement Quiet mode to reduce the indoor unit operatin...

Страница 17: ...s air conditioning of up to two separate rooms for CU 2E15GBE CU 2E18CBPG A single outdoor unit enables air conditioning of up to three separate rooms for CU 3E18EBE CU 3E23CBPG A single outdoor unit enables air conditioning of up to four separate rooms for CU 4E27CBPG ...

Страница 18: ...18 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Страница 19: ...19 5 Dimensions 5 1 Indoor Unit ...

Страница 20: ...20 5 2 Outdoor Unit ...

Страница 21: ...mmon length additional refrigerant should be added as shown in the table Model Piping size Rated Length m Common Length m Max Elevation m Min Piping Length m Max Piping Length m Additional Refrigerant g m Gas Liquid CE7HK CE9HK CE12HK 3 8 1 4 7 5 7 5 15 3 15 20 ...

Страница 22: ...22 7 Block Diagram ...

Страница 23: ...23 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Страница 24: ...24 8 2 Outdoor Unit ...

Страница 25: ...25 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Страница 26: ...26 9 2 Outdoor Unit ...

Страница 27: ...27 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Страница 28: ...28 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Printed Circuit Board 10 1 4 Patrol Printed Circuit Board ...

Страница 29: ...29 10 2 Outdoor Unit ...

Страница 30: ...g is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over t...

Страница 31: ... method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 150 mm and 125 mm for left and right hole respectively Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 3 2 TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1 Insert the piping sleev...

Страница 32: ...32 3 For the embedded piping This can be used for left rear piping and left bottom piping also ...

Страница 33: ...mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the colour of wires of outdoor unit and the termi nal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Secure the cable onto the control board with the holder clamper 1...

Страница 34: ...Further tighten the flare nut with torque wrench in specified torque as stated in the table 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 ...

Страница 35: ...ort of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 NO m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage 11 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DETAIL ...

Страница 36: ...Knife switch Disconnecting means should have minimum 3 5 mm contact gap Secure the cable onto the control board with the holder clamper 11 4 5 PIPE INSULATION 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in t...

Страница 37: ...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 12 1 2 Cooling Operation 12 1 2 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 1 5qC Compressor is ON after waiting for 3 min...

Страница 38: ... value of T1 will increase up to 10qC T2 will decrease by 3qC and T3 will decrease up to 8qC The Auto Operation Mode shifting will take place whenever operation mode changed from Cool Soft Dry to Heating or vice versa 12 2 Indoor Fan Motor Operation A Basic Rotation Speed rpm i Manual Fan Speed Cooling Dry Fan motor s number of rotation is determined according to remote control setting Heating Fan...

Страница 39: ...ected by horizontal vane and horizontal airflow directed by vertical vanes 2 Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 12 4 1 Vertical Airflow 1 Automatic vertical airflow direction can be set using remote control the vane...

Страница 40: ...ed operation is shifted to normal operation with previous setting 3 When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised C Control con...

Страница 41: ...han remote control setting temperature for 20 minutes to achieve the setting temperature quickly 12 8 Timer Control 12 8 1 ON Timer Control ON timer can be set using remote control the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set ON time 60 minutes before the set time indoor at fan speed of Lo and outdoor fa...

Страница 42: ...ol operation start condition When the unit operation is started with OFF ON button When the unit stops Patrol button is pressed Patrol individual operation will start During cooling only operation Patrol button is pressed b Patrol operation stop condition When any of the following condition is fulfilled When OFF ON button is pressed During any operation with Patrol Patrol button is pressed again W...

Страница 43: ...t High 3 Confirm setting by pressing Timer Set button LCD returned to original display after 2 seconds 4 LCD returned to original display if remote control does not operate for 30 seconds b e ion Control When dirtiness level is 1 or 2 e ion operation starts If dirtiness level improves from level 2 to level 1 the unit carries out level change after 60 seconds When dirtiness level returns to level 0...

Страница 44: ...ative ions to attract dust captured at the positively charged e ion filters B Control Condition a e ion operation start condition During unit running at any operation mode if e ion button is pressed combination operation operation mode e ion operation starts During unit is OFF if e ion button is pressed e ion individual operation starts b e ion operation stop condition When OFF ON button is presse...

Страница 45: ...Purifying System If abnormal discharge is detected at filter short circuited due to water or dust adhesion etc the e ion indicator blinks immediately f Power failure During e ion individual operation if power failure occurs after power resumes e ion individual operation resumes immediately During combination operation if power failure occurs after power resumes combination operation resume immedia...

Страница 46: ... at microcontroller supplied to filter during e ion stop due to PCB or filter s high voltage power supply damage Operations except e ion continue Both Timer indicator and e ion indicator blink Troubleshooting Method Press e ion button or OFF ON button to stop the operation Change main circuit board or filter s high voltage power supply When lo feedback voltage supplied to e ion Air Purifying syste...

Страница 47: ... will be decreased 2 If the running current does not exceed X value for 5 seconds the frequency instructed will be increased 3 However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes 4 The first 30 minutes of cooling operation A will be applied 13 1 4 IPM Power transistor Prevention Control A Overheating Prevention Control 1 When the IPM t...

Страница 48: ...ithin 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 13 1 7 Compressor Tank Temperature Rise Protection Control a Control start conditions For 5 minutes the compressor continuously operates and outdoor total current is between 0 65A and 1 65A During Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 4qC Indoor temperature and o...

Страница 49: ... after the indoor heat exchanger is higher than 13qC 3 At the same time indoor fan speed will be higher than during its normal operation 4 If indoor heat exchanger temperature is higher than 13qC for 5 minutes the fan speed will return to its normal operation 13 2 4 Dew Prevention Control 1 To prevent dew formation at indoor unit discharge area This control will be activated if Outdoor air tempera...

Страница 50: ...e 13 3 2 Outdoor Air Temperature Control The Max current value is regulated when the outdoor air temperature rise above 16qC in order to avoid compressor overloading 13 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below If the heat exchanger temperature exceeds 60qC compressor will stop 13 3 4 Low Temper...

Страница 51: ...tch Mode is in standby condition and press any button at remote control to transmit and store the desired transmission code to the EEPROM For transmission code selection explanation please refer to Select Remote Control Transmission Code 4 REMOTE CONTROL RECEIVING SOUND OFF ON MODE The Remote Control Receiving Sound OFF ON Mode will be activated if the Auto OFF ON button is pressed continuously fo...

Страница 52: ...econds LCD returns to original display if remote control does not operate for 30 seconds 14 3 2 CLOCK BUTTON To change the remote control s time format Press for more than 5 seconds 14 3 3 RESET RC To clear and restore the remote control setting to factory default Press once to clear the memory 14 3 4 RESET AC To restore the unit s setting to factory default Press once to restore the unit s settin...

Страница 53: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Страница 54: ...es after an operation is started Cooling Mode Heating Mode Low Pressure High Pressure Electric current during operating Low Pressure High Pressure Electric current during operating Condition of the air conditioner Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression ...

Страница 55: ...urn power on 2 Press the CHECK button on the remote controller contiguously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be transmitted to the main unit The power LED lights...

Страница 56: ... sensor defective or disconnected H25 E Ion breakdown Indoor PCB E Ion PCB H27 Outdoor air temperature sensor abnormality Continue for 5 sec O Outdoor temperature sensor defective or disconnected H28 Outdoor heat exchanger temperature sensor abnormality Continue for 5 sec O Outdoor heat exchanger temperature sensor defective or disconnected H33 Indoor Outdoor wrong connection Indoor Outdoor supply...

Страница 57: ... Removal Procedures 16 1 1 To remove front grille 16 1 2 To remove power electronic controller High voltages are 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 ...

Страница 58: ...58 16 1 3 To remove discharge grille ...

Страница 59: ...59 16 1 4 To remove control board 16 1 5 To remove cross flow fan and indoor fan motor ...

Страница 60: ...60 ...

Страница 61: ...ler be careful of electrostatic discharge 1 Remove the 3 screws of the Top Panel Fig 1 2 Remove the 6 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Страница 62: ...62 17 Technical Data 17 1 Operation Characteristics 17 1 1 CS CE7HKEW CU CE7HKE ...

Страница 63: ...63 ...

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Страница 65: ...65 ...

Страница 66: ...66 17 1 2 CS CE9HKEW CU CE9HKE ...

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Страница 68: ...68 ...

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Страница 70: ...70 17 1 3 CS CE12HKEW CU CE12HKE ...

Страница 71: ...71 ...

Страница 72: ...72 ...

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Страница 74: ...C IP TC SHC IP TC SHC IP TC SHC IP 17 0qC 2 58 1 96 0 54 2 41 1 88 0 58 2 24 1 80 0 62 2 04 1 71 0 67 19 0qC 2 60 0 59 19 5qC 2 83 2 05 0 55 2 65 1 97 0 59 2 46 1 89 0 63 2 24 1 80 0 68 22 0qC 3 09 2 12 0 56 2 88 2 04 0 60 2 68 1 97 0 64 2 44 1 88 0 70 230V Outdoor Temp qC Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0qC 3 47 2 63 0 84 3 24 2 52 0 91 3 02 2 43 0 97 2...

Страница 75: ...8 Exploded View and Replacement Parts List 18 1 Indoor Unit 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 76: ...SING 1 CWH102321 m m 21 TERMINAL BOARD COMPLETE 1 CWA28C2305 m m O 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2957 CWA73C3018 CWA73C3019 O 24 ELECTRONIC CONTROLLER POWER 1 CWA745131 m m O 25 SENSOR COMPLETE 1 CWA50C2122 m m O 26 CONTROL BOARD FRONT COVER 1 CWH131207 m m 27 INDICATOR COMPLETE 1 CWE39C1168 m m O 28 INDICATOR HOLDER 1 CWD932744 m m 29 INDICATOR HOLDER 1 CWD932745 m m 30 CONTROL BOARD FRON...

Страница 77: ...77 18 2 Outdoor Unit 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 78: ...21301 m m O 17 3 WAYS VALVE GAS 1 CWB011374 m CWB011367 O 18 REACTOR 1 G0C193J00003 m G0C193J00004 O 19 TERMINAL COVER 1 CWH171039A m m 20 NUT TERMINAL COVER 1 CWH7080300J m m 21 SOUND PROOF BOARD 1 CWH151172 m m 22 SOUND PROOF MATERIAL 1 CWG302316 m m 23 SOUND PROOF MATERIAL 1 CWG302317 m m 24 SENSOR COMPLETE 1 CWA50C2205 m m O 25 CONTROL BOARD COVER 1 CWH131264 m m 26 ELECTRONIC CONTROLLER MAIN ...

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