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Serial Signal Diagnosis

[Check Point]

Check and find out if the cause is at Indoor unit or Outdoor unit.

* Remove the side cover of Outdoor unit for testing the Outdoor unit connection terminals with a meter.

* Turn on the power and press [TEST] button of Remote control.

[Checking Flow Chart]

[Check Indoor Unit]

CAUTION: Do not touch the terminals or electrical components to avoid electric shock.

Is AC220V/AC230V applied to the terminals N-L on

the Outdoor unit terminal plate?

Connecting cable wiring defect

In correct wiring

Main PCB defective

YES

Measure the voltage between terminals N-3 on the

Outdoor unit terminal plate.

Refer to Fig.1 for Measuring Method.

Judge the result based on Table 1.

Measurement method 1

Diode

(Dielectric voltage : Higher than 600V)

Range DC

(Normal : DC30 60V)

Red

Black

White

Range DC

(Normal : DC30 60V)

Red

Black

White

Fig.1 Selial Signal Measuring Method

Measurement 1

Measurement 2

Indoor unit

Outdoor unit

Defective point

voltage value

trouble display

operation

0 5V

30 60 V

Display

No operation

Indoor unit control PCB defective

30 60V

0 5V

Display

No operation

Outdoor unit fuse open (input)

Inverter defective

Table 1: Judgement table

Outdoor unit terminal

plate

Power supply

AC220V/230V

Black

White

Serial

signals

Red

Measurement method 2

07-08

Содержание AO*12LFBC

Страница 1: ...R CONDITIONER WALL MOUNTEDtype Models Indoor unit Outdoor unit AS 9LSACW AS 12LSACW AS 9LSBCW AS 12LSBCW AS 14LSBCW AS 18LSBCW AO 9LSAC AO 12LSAC AO 9LFBC AO 12LFBC AOY14LFBC AO 18LFBC INVERTER SERVICE INSTRUCTION R410A ...

Страница 2: ... 12LSBC AO 9 12LFBC 04 02 5 DESCRIPTION OF EACH CONTROL OPERATION 1 COOLING OPERATION 05 01 3 DRY OPERATION 05 03 2 HEATING OPERATION 05 02 5 INDOOR FAN CONTROL 05 05 4 AUTO CHANGEOVER OPERATION 05 04 7 LOUVER CONTROL 05 08 6 OUTDOOR FAN CONTROL 05 07 9 TIMER OPERATION CONTROL 05 10 8 COMPRESSOR CONTROL 05 09 11 TEST OPERATION CONTROL 05 12 10 ELECTRONIC EXPANSION VALVE CONTROL 05 12 13 FOUR WAY V...

Страница 3: ...6 05 7 TROUBLE SHOOTING 1 WHEN THE UNIT DOES NOT OPERATE AT ALL 07 01 3 TROUBLE SHOOTING METHOD 2 SELF DIAGNOSIS FUNCTION 07 02 8 APPENDING DATA 1 JUMPER SETTING OF INDOOR UNIT AND OUTDOOR UNIT 08 01 3 THERMISTOR RESISTANCE VALUES 08 08 2 OUTDOOR UNIT PRESSURE VALUE AND TOTAL ELECTRIC CURRENT CURVE 08 02 9 INSTALLATION MANUAL 4 SELF DIAGNOSIS FUNCTION AND CHECKING POINTS 07 03 5 SERIAL SIGNAL DIAG...

Страница 4: ...1 SPECIFICATIONS R410A WALL MOUNTED type INVERTER ...

Страница 5: ...pe 4 pole 3 phase DC brushles motor DISCRIMINATION 80206680 REFRIGERANT R410A g r p m r p m 950 1100 POWER SOURCE V 230 HI SPEED MED SPEED INDOOR UNIT LO SPEED QUIET C 1 350 H 1 420 C 1 150 H 1 200 C 950 H 1 000 C 740 H 900 C 1 400 H 1 470 C 1 200 H 1 290 C 1 000 H 1 110 C 820 H 980 OUTDOOR UNIT 830 INDOOR UNIT H x W x D mm H x W x D mm 280 x 790 x 230 OUTDOOR UNIT 535 x 780 x 250 FAN MOTOR dB dB ...

Страница 6: ...4 19 4 39 1 3 FAN MOTOR TYPE Hermetic type 4 pole 3 phase DC inverter motor Rotary DISCRIMINATION DA 89 X 1F 20F REFRIGERANT R410A g 1 050 950 POWER SOURCE V 230 HI SPEED r p m C 1 300 H 1 390 INDOOR UNIT MED SPEED r p m C 1 120 H 1 200 LO SPEED r p m C 950 H 1 000 QUIET r p m C 700 H 760 C 1 370 H 1 440 C 1 150 H 1 200 C 950 H 1 000 C 700 H 760 OUTDOOR UNIT r p m C 830 H 830 C 840 H 840 ELECTRICA...

Страница 7: ...0 H700 4 20 5 60 4 9 6 4 1 11 1 45 3 78 3 86 2 1 FAN MOTOR TYPE Hermetic type 4 pole 3 phase DC inverter motor Rotary DISCRIMINATION DA 30A F 25F REFRIGERANT R410A g 1 150 POWER SOURCE V 230 HI SPEED r p m C 1 480 H 1 480 INDOOR UNIT MED SPEED r p m C 1 260 H 1 300 LO SPEED r p m C 1 040 H 1 110 QUIET r p m C 850 H 950 OUTDOOR UNIT r p m C 860 H 820 C 820 H 750 ELECTRICAL DATA COMPRESSOR hr INDOOR...

Страница 8: ...2 DIMENSIONS R410A WALL MOUNTED type INVERTER ...

Страница 9: ...D I M E N S I O N S Models AS 9LSACW AO 9LSAC AS 12LSACW AO 12LSAC 540 120 272 302 780 55 250 535 10 280 790 230 02 01 ...

Страница 10: ...D I M E N S I O N S AS 12LSBCW AO 12LFBC Models AS 9LSBCW AO 9LFBC unit mm 275 2 000 215 790 02 02 ...

Страница 11: ...D I M E N S I O N S AS 18LSBCW AO 18LFBC Models AS 14LSBCW AO 14LFBC unit mm 275 2 000 215 790 347 578 48 10 320 508 540 20 300 125 60 790 02 03 ...

Страница 12: ...3 REFRIGERANT SYSTEM DIAGRAM R410A WALL MOUNTED type INVERTER ...

Страница 13: ...M Models AS 9LSACW AO 9LSACW AS 12LSACW AO 12LSACW 2 pass 2 pass Indoor heat exchanger Outdoor heat exchanger Capillary tube Pulse motor valve 2way valve 3way valve Muffler Compressor Accumulator 4way valve Strainer Dryer 03 01 ...

Страница 14: ...valve Strainer Strainer 3 Way valve Muffler Muffler 4 Way valve Expansion valve Heat exchanger INDOOR Heat exchanger OUTDOOR AOY9LFBC 2Pass AOY12LFBC 4Pass Compressor Cooling Heating AS 12LSBCW AO 12LFBC Models AS 9LSBCW AO 9LFBC 03 02 ...

Страница 15: ...ve Strainer Strainer Sub heat exchanger INDOOR 3 Way valve Muffler 4 Way valve Expansion valve Heat exchanger INDOOR Heat exchanger OUTDOOR Sub accumulator Compressor Cooling Heating AS 18LSBCW AO 18LFBC Models AS 14LSBCW AO 14LFBC 03 03 ...

Страница 16: ...4 CIRCUIT DIAGRAM R410A WALL MOUNTED type INVERTER ...

Страница 17: ...CIRCUIT DIAGRAM INDOOR UNIT OUTDOOR UNIT Models AS 9LSACW AO 9LSAC AS 12LSACW AO 12LSAC Controller PCB Thermistor pipe Thermistor discharge pipe Thermistor outdoor temp 04 01 ...

Страница 18: ...e Assy PCB MAIN Power Relay Compressor Thermistor pipe temp Test Thermistor pipe Thermistor Discharge Pipe Thermistor outdoor temp Display Board Controller PCB Power 102 C Thermal Fuse 1 2 3 4 5 6 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 4 5 1 2 3 4 5 1 2 3 1 2 3 1 2 3 4 1 2 3 4 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 1 2 1 2 1 2 3 4 5 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 6 1 2 2 1 2 1 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6...

Страница 19: ...CIRCUIT DIAGRAM INDOOR UNIT OUTDOOR UNIT AS 18LSBCW AO 18LFBC Models AS 14LSBCW AO 14LFBC DISPLAY BOARD CONTROL BOARD 04 03 ...

Страница 20: ...5 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...

Страница 21: ...re 36 C A zone 34 C 32 C B zone 30 C 21 C C zone 19 C D zone Hi Me Lo Quiet A zone 80Hz 51Hz 45Hz 33Hz B zone 80Hz 51Hz 45Hz 33Hz C zone 80Hz 51Hz 45Hz 33Hz 9LSACW D zone 51Hz 39Hz 33Hz 27Hz A zone 96Hz 60Hz 51Hz 33Hz B zone 96Hz 60Hz 51Hz 33Hz C zone 80Hz 60Hz 51Hz 33Hz 12LSACW D zone 51Hz 42Hz 36Hz 27Hz A zone 80Hz 61Hz 51Hz 33Hz B zone 80Hz 61Hz 51Hz 33Hz C zone 80Hz 61Hz 51Hz 33Hz 9LSBCW D zon...

Страница 22: ... 68Hz 54Hz 51Hz A zone 130Hz 96Hz 80Hz 68Hz B zone 130Hz 96Hz 64Hz 57Hz 12LSACW C zone 96Hz 96Hz 64Hz 54Hz A zone 130Hz 96Hz 80Hz 68Hz B zone 130Hz 96Hz 80Hz 54Hz 9LSBCW C zone 130Hz 96Hz 80Hz 45Hz A zone 130Hz 96Hz 80Hz 68Hz B zone 130Hz 96Hz 80Hz 54Hz 12LSBCW C zone 130Hz 96Hz 80Hz 45Hz A zone 119Hz 90Hz 70Hz 58Hz B zone 119Hz 90Hz 70Hz 58Hz 14LSBCW C zone 119Hz 90Hz 70Hz 58Hz A zone 119Hz 90Hz ...

Страница 23: ...mpressor is driven the indoor unit shall run at operation frequency of 58Hz for a minute Operating frequency AS 9LSACW 33Hz AS 12LSACW 33Hz AS 9LSBCW 33Hz AS 12LSBCW 33Hz AS 14LSBCW 24Hz AS 18LSBCW 24Hz room room temperatu re temperature compressor ON Ts 1 5 C Ts 0 5 C compressor OFF Compressor ON OFF Indoor fan Dry air flow S Lo OFF 10 30 60 180 60 180 60 10 30 sec Table 3 Compressor frequency Fi...

Страница 24: ...ic dry Cooling automatic dry TS 2 C TB TS 2 C Monitoring Monitoring Monitoring TB TS 2 C Heating Heating Monitoring When COOING was selected at the air conditioner operates as follow The same operation as COOLING OPERATION of item 1 above is performed When the room temperature has remained at set tempareure 1 C for 8 minutes operation is automatically switched to DRY and the same operation as DRY ...

Страница 25: ...Lo 1040 Cooling Fan Quiet 850 Dry 850 2 FAN OPERATION The airflow can be switched in 5 steps such as AUTO QUIET LOW MED HIGH while the indoor fan only runs When Fan mode is set at Auto it operates on MED Fan Speed AS 12LSACW Operation mod e Air flow mode Speed rpm Hi 1470 Me 1420 Me 1290 Lo 1110 Quiet 980 Cool air prevention 850 Heating S Lo 480 Hi 1400 Me 1200 Lo 1000 Cooling Fan Quiet 820 Dry 82...

Страница 26: ...g AUTO to a room temperature as shown in When the room Figure 7 temperature rises On the other hand if switched L O W m o d e HIGH QUIET the indoor motor 1 0 will run at a constant airflow of HEAT 1 5 operation modes QUIET LOW MED MED mode HIGH as shown in Table 5 2 0 2 5 MED mode When the room temperature lowers Room temperature D Setting temperature 6 COOL AIR PREVENTION CONTROL Heating mode Ind...

Страница 27: ...ferent between AC motor and DC motor Table 6 Type of Motor Table 7 AC Motor In conjunction with the compressor ON OFF the fan speed operates at around the speed shown above Table 8 DC Motor The outdoor fan speed changed in the range mentioned avobe depending on the compressor frequency When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compresso...

Страница 28: ...he Air Flow Direction Louver in the Heating range for long period of time since water vapor many condense near the outlet louvers and drop of water may drip from the air conditioner During the Cooling and Dry modes if the Air Flow Direction Louvers are left in the hating range for more than 30minutes they will automatically return to position During Monitor operation in AUTO CHANGEOVER mode the ai...

Страница 29: ...AS 14LSBCW 40Hz 59Hz 72Hz 80Hz 101Hz 110Hz AS 18LSBCW 40Hz 59Hz 72Hz 80Hz 101Hz 110Hz AS 9LSACW 80sec 30sec 30sec 30sec 50sec 60sec AS 12LSACW 80sec 30sec 30sec 30sec 50sec 60sec AS 9LSBCW 80sec 60sec 60sec 180sec 60sec 60sec AS 12LSBCW 80sec 60sec 60sec 180sec 60sec 60sec AS 14LSBCW 60sec 40sec 40sec 60sec 150sec 60sec AS 18LSBCW 60sec 40sec 40sec 60sec 150sec 60sec Table 9 Compressor Operation F...

Страница 30: ...Lo for 1 minute and detects the room temperature The Operation start time is determined according to the Table 11 as shown below and the operation is started Differential of set temperature and room temperature Operation Start Time Heating Cooling Dry Before 44 minutes 20 C or larger Before 30 minutes 15 C 20 C Before 19 minutes 10 C 15 C 10 C or larger 10 C or larger Before 15 minutes 5 C 10 C 5 ...

Страница 31: ... the cooling operation mode When the sleep timer is set the setting temperature is increased 1 degC It increases the setting temperature another 1degC after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting Ts 1 0 2 0 Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 degC It de...

Страница 32: ...essor will continue to run regardless of whether the room temperature sensor detects The compressor won t enter operation status for 2 minutes and 20 seconds after the compressor is stopped even if any operation is given At the time when the air conditioner is switched from the cooling mode to heating mode the compressor is stopped and the four way valve is switched in 2 minutes and 20 seconds lat...

Страница 33: ...CW AS 9LSBCW AS 12LSBCW AS 14LSBCW AS 18LSBCW AS 9LSACW 900rpm 36Hz AS 12LSACW 900rpm 36Hz AS 9LSBCW 900rpm 36Hz AS 12LSBCW 900rpm 36Hz AS 14LSBCW 900rpm 24Hz AS 18LSBCW 900rpm 24Hz Table 12 No timer setting available 16 COMPRESSOR PREHEATING Table 13 Preheating Operation Release Temperature Temperature Temperature 5 C 5 C 5 C 5 C 5 C 5 C 7 C 7 C 7 C 7 C 7 C 7 C 17 COIL DRY OPERATION CONTROL The c...

Страница 34: ...rate Compressor operating time After 4 hours 3 C 3 C 3 C 3 C 3 C 3 C 6 C 6 C 6 C 6 C 6 C 6 C 2 CONDITION OF THE DEFROST OPERATION COMPLETION Defrost operation is released when the conditions become as shown in Table 16 Table 16 Defrost Release Condition Release Condition Outdoor heat exchanger temperature sensor value is higher than 10degC or Compressor operation time has passed 15 minutes Outdoor...

Страница 35: ...sor integrating operation Over 60 minutes to below 240 minutes Compressor integrating operation Over 240 minutes Compressor integrating operation Over 35 minutes to below 240 minutes Compressor integrating operation Over 240 minutes Outdoor heat exchanger temperature Below 9 C Outdoor heat exchanger temperature Outdoor heat exchanger temperature Outdoor heat exchanger temperature Outdoor heat exch...

Страница 36: ...t start Defrost Indicater Operation lamp Outdoor heat exchanger temperature Over 10 C 16 C or Compressor ON time Over 15 minutes Defrost end 2 OFF DEFROST END CONDITION Release Condition Outdoor heat exchanger temperature sensor value is higher than 10degC or Compressor operation time has passed 15 minutes Outdoor heat exchanger temperature sensor value is higher than 10degC or Compressor operatio...

Страница 37: ...o decrease the frequency for 20 Hz every 120 seconds until the temperature becomes lower than Temperature When the discharge temperature becomes lower than Temperature the control of the control of the compressor frequency is released When the discharge temperature becomes higher than Temperature the compressor is stopped and the indoor unit LED starts blinking Table 17 Discharge Temperature Over ...

Страница 38: ...uble display is performed AS 9LSACW 65 C AS 12LSACW 65 C AS 9LSBCW 67 C AS 12LSBCW 67 C AS 14LSBCW 65 C AS 18LSBCW 65 C Temperature AS 9LSACW AS 12LSACW AS 9LSBCW AS 12LSBCW AS 14LSBCW AS 18LSBCW Indoor heat exchange temperature AS 9 12LSBCW 52Hz or greater 51Hz 26 51Hz 18 25Hz OFF AS 9LSACW 52 C 48 C 54 C 50 C AS 12LSACW 52 C 48 C 54 C 50 C 5 HIGH TEMPERATURE RELEASE CONTROL HEATING MODE On heati...

Страница 39: ... 9 12LSBCW AS 14 18LSBCW 46Hz or greater 45Hz 39Hz or greater 38Hz 39 45Hz 38Hz 26 38Hz 25Hz 19 29Hz 18Hz 18 25Hz OFF OFF AS 9LSBCW 55 C 53 C 52 C 50 C AS 12LSBCW 55 C 53 C 52 C 50 C AS 14LSBCW 55 C 53 C 52 C 50 C AS 18LSBCW 55 C 53 C 52 C 50 C Indoor heat exchange temperature Control System Temperature Temperature Refer to below Temperature Temperature The compressor frequency is precisely contro...

Страница 40: ...6 REFRIGERANT CAUTION R410A R410A WALL MOUNTED type INVERTER ...

Страница 41: ...ng to the compressor in a liquid state the refrigerant can be charged instead of giving a load to the compressor with a safety charger Control valve Fig 4 14 The control valve prevents the refrigerant from spouting when it is removed as the charging hose side and the ser vice port side are possible to open and close at the same time Thermistor vacuum gauge Fig 4 15 To remove moisture from the refr...

Страница 42: ...s Diameter 1 4 6 35mm 3 8 9 52mm 1 2 12 7mm Refrigerant R410A R22 R407C R410A R410A A 9 1 9 0 13 2 13 0 16 6 16 2 B 13 12 20 15 13 20 C 12 11 16 12 5 19 16 Nut width 17 22 26 24 Always use the flare nut that is packed with the product Do not use existing for R22 pipes Be sure to use new pipes when replacing conventional R22 model with HFC R407C R410A model If you use existing pipes it may cause re...

Страница 43: ...efrigerant charge Do it always from the liquid phase side Don t charge from the gas phase side Compressor oil is changed Be careful to handle synthetic oil since it resolves easily by moisture and contamination Don t mix new synthetic oil and mineral oil It may cause trouble We developed new synthetic oil since HFC refrigerant doesn t dissolve in mineral for R22 oil 06 03 ...

Страница 44: ...It is necessary to use the vacuum pump which can obtain the high vacuum condition Precaution on Tools Feature 2 New Refrigerant has Approx 1 6 times higher pressure than previous refrigerant R410A High Pressure Different point from previous one Diameter of Service port has been changed from 1 4 Flare to 5 16 Flare It requires the gauge manifold and charge hose exclusively for R410A It requires the...

Страница 45: ...ase out schedule of HCFC according to Montreal protocol 1996 2010 2000 2004 2015 2020 2030 60 40 20 100 Year 80 HCFC consumption of 1989 CFC consumption of 1989 x 2 8 65 35 10 0 5 started control only service use total abolition 100 0 06 05 ...

Страница 46: ......

Страница 47: ......

Страница 48: ...del when replacing CAUTION Check if the compressor is suitable for the refrigerant model when replacing Complete welding within 15 minutes after opening the cap when replacing COMPRESSOR Use better grade of material for sliding parts for securing good lubrication of sliding part as HFC refrigerant does not contain chloride Review insulating materials Increase pressure resistance strength CAUTION D...

Страница 49: ...and Timer lamp do not light up 2 Self Diagnosis Function Either Operation lamp or Timer lamp is blinking How to operate the self diagnosis function Self diagnosis table and Check points 3 Trouble shooting method Serial signal check IPM protection check Active filter error check Refrigeration cycle diagnosis ...

Страница 50: ...rmal Is DC voltage between terminals of C7 and C12 Is DC voltage between terminal 1 2 of IC6 normal YES AC220 230V YES AC220 230V YES AC220 230V Is DC voltage between terminals of C9 YES C7 DC20V C12 DC13 5 1V YES DC12 14V Terminal board temperature fuse is blown or CN1 is loose IC2 T1 or IC3 defective IC4 defective YES DC15V Is DC voltage between terminals 3 4 of IC7 normal YES Pulse wave of DC5V...

Страница 51: ...med 3 By pressing TEST button of remote control Large Division Error Indication is indicated only during 3 minutes ST 3 minutes ST 2 minutes 20 seconds from the timing AC plug is ON Lamp display 3 minutes delay Turn off Operating Large Div Error Indication Normal indication after 3min ST Indication AC Plug ON Start operation Input TEST signal 4 By pressing TEST button of remote control while Large...

Страница 52: ... abnormal measure the voltage of the outdoor unit terminals and diagnose the defective location Refer to the after mentioned Serial Signal Diagnosis for the voltage measuring method and diagnosis method 0 1 sec blinki ng 0 5 sec 4 times Serial forward transfer error at starting up operation The outdoor unit does not receive the signal for 10 consecutive seconds from the time when the power relay w...

Страница 53: ...er to Thermistor characteristics table Controller PCB defective 0 1 sec blinki ng 0 5 sec 3 times Outdoor Heat Exchanger Thermistor Error The detection value of the outdoor heat exchanger thermistor is open Compressor Outdoor Fan OFF It automatically releases when the normal value is detected Diagnosis Point Check Thermistor resistance value Refer to Thermistor characteristics table Controller PCB...

Страница 54: ...ve Refer to after mentioned Refrigeration cycle diagnosis 0 1 sec blinki ng 0 5 sec 3 times CT Error The current value during the operation after 1 minute from starting up the compressor is 0 A Permanent stop Diagnosis Point Check if CT wire is open Controller PCB defective 0 1 sec blinki ng 0 5 sec 5 times Compressor Location Error The compressor speed does not synchronize with the control signal...

Страница 55: ...t rotate Refrigeration cycle defective Refer to after mentioned Refrigerant cycle diagnosis 0 5 sec 7 times 0 1 sec blinking Refrigerant Cycle Error 0 1 sec blinki ng 0 5 sec 3 times Excessive High Pressure Protection on Cooling Excessive high pressure protection on cooling mode has been activated Compressor Outdoor Fan OFF It releases after 3 minute ST Diagnosis Point Heat radiation is blocked In...

Страница 56: ...it Error Excessive voltage of DC voltage on PFC circuit in Inverter PCB is detected or the excessive current in the circuit is detected Permanent stop Diagnosis Point Controller PCB defective Refer to after mentioned PFC circuit diagnosis 07 07 ...

Страница 57: ...e the voltage between terminals N 3 on the Outdoor unit terminal plate Refer to Fig 1 for Measuring Method Judge the result based on Table 1 L N Measurement method 1 Diode Dielectric voltage Higher than 600V Range DC Normal DC30 60V Red Black White Range DC Normal DC30 60V Red Black White L N Fig 1 Selial Signal Measuring Method Measurement 1 Measurement 2 Indoor unit Outdoor unit Defective point ...

Страница 58: ...points No Abnormal Incorrect wiring Correct and recheck Parts touched Correct and recheck Parts broken Change the broken part Check point 2 Turn on the power and press TEST button Yes Rotating Go to Check point 3 on Remote Control No Not rotating IPM or PCB defective Replace PCB Is the outdoor fan rotating Check point 3 Operate the unit for certain time and Yes Operating The unit is normal check i...

Страница 59: ...d Parts broken Parts touched Correct and recheck Parts broken Change the broken part Turn on the power and press TEST button on Remote Control Is the outdoor fan rotating Operate the unit for certain time and measure the terminal voltage of the The unit is normal discharge resistance Is the DC voltage between 350 to 425V Recheck Operate the unit for certain time and Yes Operating Check completed c...

Страница 60: ... Temperature at 20degC 0 701 ohm ASY14 18LSBCW Compressor Case Temperature at 25degC 0 730 ohm The above resistance value is a typical value There is some distribution As it also changes by the compressor temperature the measured value may be much different from the above table when measured right after stopping operation 2 Checking method of EEV failure Insert the AC plug and start up the operati...

Страница 61: ...8 APPENDING DATA R410A WALL MOUNTED type INVERTER 1 Jumper setting of Indoor unit and Outdoor unit 2 Outdoor unit Pressure Value and Total Electric Current Curve 3 Thermistor Resistance Values ...

Страница 62: ...n if it is not needed Indoor Unit JM2 JP With Auto Restart function Default YES Without Auto Restart function NO Outdoor Unit AO 9 12LSAC JP JM101 JM102 JM103 JM104 JM105 JM106 JM107 Normal Preheat NO NO NO NO NO YES NO 9LSAC Higher Preheat NO NO NO YES NO NO NO Normal Preheat NO YES NO NO NO NO NO 12LSAC Higher Preheat NO NO NO NO NO NO NO AO 9 12LFBC JP JM500 Normal Preheat YES Higher Preheat NO...

Страница 63: ...eased automatically 1 Indoor Outdoor Temperature Outdoor Low Pressure Curve AS 9LSACW series AS 12LSACW 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AS 9LSACW series AS 12LSACW Measure the low pressure with the pressure meter at the service valve Measure the outdoor 0 7 0 8 0 9 1 1 1 1 2 15 20 25 30 35 In outdoor ambient temparature degC Low pressure opf outdoor unit MPaG RH50...

Страница 64: ...t mode is released automatically 1 Indoor Outdoor Temperature Outdoor High Pressure Curve AS 9LSACW series AS 12LSACW 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AS 9LSACW series AS 12LSACW outdoor unit overall current with the current clamp meter at Power Cable 2 2 2 2 4 2 6 2 8 3 3 2 3 4 0 5 10 15 outdoor ambient temparature C High pressure of outdoor unit MPaG 15 C 20 C In...

Страница 65: ...al Electric Current Curve AS 9LSBCW series AS 12LSBCW Measure the low pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current clamp meter at Power Cable 0 80 0 90 1 00 1 10 1 20 1 30 1 40 17 5 20 22 5 25 27 5 30 32 5 In Outdoor ambient temperature C Outdoor High Pressure Mpa Relative Humidity 50 Relative Humidity 60 Relative Humidity 70 2 00 ...

Страница 66: ...ctric Current Curve AS 9LSBCW series AS 12LSBCW Measure the high pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current clamp meter at Power Cable 2 10 2 20 2 30 2 40 2 50 2 60 2 70 2 80 2 90 0 2 4 6 8 10 12 14 Outdoor ambient temperature C Outdoor High Pressure Mpa Indoor inlet temp 15 C Indoor inlet temp 20 C Indoor inlet temp 23 C 3 50 3 ...

Страница 67: ...SBC W series AS 18LSBCW 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AS 14LSBC W series AS 18LSBCW Measure the low pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current clamp meter at Power Cable 0 8 0 9 1 1 1 1 2 1 3 1 4 15 20 25 30 35 In Outdoor ambient temperature C Outdoor Low Pressure Mpa Relative Humidity 50 Relat...

Страница 68: ...BCW 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AS 14LSBCW series AS 18LSBCW Measure the high pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current clamp meter at Power Cable 1 1 5 2 2 5 0 5 10 15 Outdoor ambient temperature C High pressure of outdoor unit Mpa Indoor inlet temp 15 C Indoor inlet temp 20 C Indoor inlet ...

Страница 69: ...4 59 75 00 7 42 2 36 55 00 1 49 4 87 55 00 2 85 4 65 80 00 6 31 2 57 60 00 1 25 4 89 60 00 2 36 4 71 85 00 5 38 2 76 65 00 1 05 4 91 65 00 1 97 4 76 90 00 4 61 2 95 70 00 0 89 4 92 70 00 1 65 4 79 95 00 3 97 3 13 75 00 0 76 4 93 75 00 1 39 4 83 100 00 3 43 3 30 80 00 0 65 4 94 80 00 1 18 4 85 105 00 2 98 3 45 85 00 0 56 4 95 85 00 1 00 4 87 110 00 2 59 3 60 90 00 0 48 4 96 90 00 0 85 4 89 115 00 2...

Страница 70: ...9 INSTALLATION MANUAL R410A WALL MOUNTED type INVERTER ...

Страница 71: ...e that the amount of residual oil is less than 40 mg 10m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion value or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes...

Страница 72: ...rections front rear and both sides WARNING Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that the units will not topple or fall CAUTION 1 Do not install where there is the danger of com bustible gas leakage 2 Do not install near heat sources 3 If children under 10 years old may approach the unit take preventive measures so that they can ...

Страница 73: ...er when handling it After installation explain correct operation to the customer using the operating manual Let the customer keep this installation manual because it is used when the air conditioner is serviced or moved The maximum length of the piping is 15 m The maximum height difference of the piping is 8 m if the units are further apart than these correct operation can not be guaranteed STANDA...

Страница 74: ...an 5 2 When installing the outdoor unit where it may ex posed to strong wind fasten it securely 7 Pump down the system for at least 15 minutes then check if the compound pressure gauge reads 0 1 MPa 76 cmHg 1 bar 8 At the end of pump down close the low pressure side gauge of the gauge manifold fully and stop the vacuum pump 9 Slowly loosen the valve stem of the 3 way valve When the compound pressu...

Страница 75: ...e outer edge of the bracket Check that there is no rattle at the wall hook bracket FORMING THE DRAIN HOSE AND PIPE WARNING If the wall pipe is not used the cord interconnecting the indoor and outdoor units may touch metal and cause electric leakage CAUTION Install the wall hook bracket horizontally and perpendicularly Rear piping Right piping Bottom piping Install the indoor unit piping in the dir...

Страница 76: ... table 3 Check if L is flared uniformly and is not cracked or scratched Table 2 Flare nut tightening torque Indoor unit Wall hook bracket Spacer Connection pipe 6 35 mm dia Connection pipe 9 52 mm dia Align the marks Top hooks Indoor unit Fitting Bottom hooks Wall hook bracket Fig 8 Tighten with two wrenches Torque wrench Wrench fixed Flare nut Indoor unit pipe Connection pipe To prevent gas leaka...

Страница 77: ...ction pipe heat insulation and indoor unit pipe heat insulation and bind them with vinyl tape so that there is no gap For left and left rear piping butt the connection pipe heat insulation and indoor unit pipe heat insulation together and bind them with and vinyl tape so that there is no gap For left and left rear piping wrap the area which accommodates the rear piping housing section with cloth t...

Страница 78: ...s hooked securely to the hook of the base Explain the following to the customer in accordance with the operating manual 1 Starting and stopping method operation switching temperature adjustment timer air flow switching and other remote control unit operations 2 Air filter removal and cleaning and how to use the air louvers 3 Give the operating and installation manuals to the customer CUSTOMER GUID...

Страница 79: ...ng and installation manuals to the customer CUSTOMER GUIDANCE CAUTION Install the front panel and INTAKE GRILLE securely If installation is imperfect the front panel or INTAKE GRILLE may fall off and cause injury Fig 4 POWER Test run button WARNING 1 The rated voltage of this product is 230 V AC 50 Hz 2 Before turning on the power check if the voltage is within the 220 V 10 to 240 V 10 range 3 Alw...

Страница 80: ...lign the marks Top hooks Indoor unit Fitting Bottom hooks Wall hook bracket Fig 10 Tighten with two wrenches Torque wrench Wrench fixed Flare nut Indoor unit pipe Connection pipe To prevent gas leakage coat the flare surface with refrigerator oil Bend R70 with a pipe bender Table 3 Pipe outside diameter 1 Remove the cord clamp 2 Bend the end of the connection cord as shown in the figure 1 Match th...

Страница 81: ...ter removal and cleaning and how to use the air louvers 3 Give the operating and installation manuals to the customer CUSTOMER GUIDANCE CAUTION Install the front panel and INTAKE GRILLE securely If installation is imperfect the front panel or INTAKE GRILLE may fall off and cause injury Fig 4 POWER Test run button WARNING 1 The rated voltage of this product is 230 V AC 50 Hz 2 Before turning on the...

Страница 82: ...t Fitting Bottom hooks Wall hook bracket Fig 10 Tighten with two wrenches Torque wrench Wrench fixed Flare nut Indoor unit pipe Connection pipe To prevent gas leakage coat the flare surface with refrigerator oil Bend R70 with a pipe bender Flare nut 6 35 mm dia 12 7 mm dia Tightening torque 15 7 to 17 6 N m 160 to 180 kgf cm 49 0 to 53 9 N m 500 to 550 kgf cm Tightening torque standard using a 20 ...

Страница 83: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan GS17032005 March 2005 Printed in Japan ...

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