Fujitsu Halcyon AOU12RLQ Service Instructions Manual Download Page 44 | Manualshive

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7 . TROUBLE SHOOTING

R410A

WALL MOUNTED type

INVERTER

1. When the unit does not operate at all (Operation lamp 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

* Refrigeration cycle diagnosis

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Summary of Contents for Halcyon AOU12RLQ

Page 1: ...SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTEDtype Models Indoor unit Outdoor unit ASU9RLQ ASU12RLQ ASU18CL ASU18RL AOU9RLQ AOU12RLQ AOU18CL AOU18RL INVERTER SERVICE INSTRUCTION R410A ...

Page 2: ...OUTDOOR FAN CONTROL 9 TIMER OPERATION CONTROL 8 COMPRESSOR CONTROL 11 TEST OPERATION CONTROL 10 ELECTRONIC EXPANSION VALVE CONTROL 13 FOUR WAY VALVE EXTENSION SELECT 12 PREVENT TO RESTART FOR 3 MINUTES 3 MINUTES ST 15 MANUAL AUTO OPERATION Indoor unit body operation 14 AUTO RESTART 16 FORCED COOLING OPERATION 18 COIL DRY OPEARTION CONTROL 17 COMPRESSOR PREHEATING 19 DEFROST OPERATION CONTROL 21 VA...

Page 3: ...ODED VIEW 2 INVERTER ASSEMBLY SPECIFICATION 8 APPENDING DATA 1 JUMPER SETTING OF INDOOR UNIT AND OUTDOOR UNIT 3 THERMISTOR RESISTANCE VALUES 4 CAPACITY INPUT DATA 2 OUTDOOR UNIT PRESSURE VALUE AND TOTAL ELECTRIC CURRENT CURVE 9 REPLACEMENT PARTS 10 INSTALLATION MANUAL 4 SELF DIAGNOSIS FUNCTION AND CHECKING POINTS 5 SERIAL SIGNAL DIAGNOSIS 6 IPM PROTECTION 7 TROUBLE SHOOTING OF REFRIGERANT CYCLE 06...

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

Page 5: ...Q ASU18CL AOU18CL ASU18RL AOU18RL 1 60 208 230 2 64 1 05 3 51 9 000 3 600 12 000 670 200 1 200 3 93 13 4 21 00 3 2 90 6 0 1 3 2 7 39 34 29 20 47 3 51 0 87 5 28 12 000 3 000 18 000 830 200 1 800 4 25 14 5 11 00 3 9 92 8 5 40 35 28 21 47 Rotary 750 560 329 2 060 1 211 3 9 10 20 450 3 10 240 1 65 14 115 10 46 5 75 15 24 1 60 208 230 3 51 1 11 4 26 12 000 3 800 14 500 960 200 1 500 3 66 12 5 21 00 4 5...

Page 6: ...GHT WIDTH DEPTH WIDTH DEPTH PACKAGE DIMENSIONS INDOOR UNIT OUTDOOR UNIT mm in mm m m m ft g m oz ft m ft mm in kg lbs kg lbs kg kg mm lbs kg in ft ft lbs lbs in mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in Refrigerant Flare 6 35 1 4 9 52 3 8 7 5 25 20 66 15 49 20 3 16 15 49 4 580 22 13 16 9 5 21 37 82 12 26 41 90 283 11 1 8 790 31 1 8 230 9 1 16 540 21 1 4 790 31 1 8 290 11 7 ...

Page 7: ...2 DIMENSIONS R410A WALL MOUNTED type INVERTER ...

Page 8: ...D I M E N S I O N S ASU12RLQ AOU12RLQ Models ASU9RLQ AOU9RLQ unit mm 02 01 INDOOR UNIT OUTDOOR UNIT 790 56 17 540 356 290 230 790 283 288 ...

Page 9: ...D I M E N S I O N S ASU18RL AOU18RL Models ASU18CL AOU18CL unit mm 02 02 275 215 790 347 578 48 10 320 508 540 20 300 125 66 790 ...

Page 10: ...3 REFRIGERANT SYSTEM DIAGRAM R410A WALL MOUNTED type INVERTER ...

Page 11: ...Way valve Strainer Strainer 3 Way valve Muffler Muffler 4 Way valve Expansion valve Heat exchanger INDOOR Heat exchanger OUTDOOR AOU9RLQ 2Pass AOU12RLQ 4Pass Compressor Cooling Heating ASU12RLQ AOU12RLQ Models ASU9RLQ AOU9RLQ 03 01 ...

Page 12: ...y valve 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 ASU18RL AOU18RL Models ASU18CL AOU18CL 03 02 ...

Page 13: ...4 CIRCUIT DIAGRAM R410A WALL MOUNTED type INVERTER ...

Page 14: ...E WHITE WHITE WHITE WHITE WHITE WHITE WHITE RED CN201 CN4 CN3 CN10 CN2 CN1 CN6 CN5 CN7 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 1 2 1 2 3 4 5 6 1 2 3 6 1 2 3 4 1 2 3 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 TERMINAL ROOM TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR FAN MOTOR STEP MOTOR SWITCH BARISTOR FUSE 3 15A G 1 2 ...

Page 15: ...0A 250V PIPE TEMP THERMISTOR DISCHARGE PIPE TEMP THERMISTOR OUTDOOR TEMP THERMISTOR REACTOR FAN MOTOR COMPRESSOR EXPANSION VALVE 4 WAY VALVE 4WV E V F M C M S S C T R R CONTROLLER PCB ASSY ORANGE RED YELLOW PINK BLUE BLACK BLACK BLACK BLACK YELLOW BLUE WHITE BLACK RED RED WHITE WHITE WHITE WHITE WHITE WHITE GRAY GRAY WHITE BLACK RED GREEN YELLOW G 3 2 1 1 6 5 4 3 2 1 6 5 4 3 2 1 5 4 3 2 1 5 4 3 2 ...

Page 16: ...5 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...

Page 17: ... zone 93 F 34 C 90 F 32 C B zone 86 F 30 C 70 F 21 C C zone 66 F 19 C D zone Hi Me Lo Quiet A zone 80Hz 61Hz 51Hz 33Hz B zone 80Hz 61Hz 51Hz 33Hz C zone 80Hz 61Hz 51Hz 33Hz 9RLQ D zone 51Hz 42Hz 36Hz 27Hz E zone 51Hz 42Hz 36Hz 27Hz F zone 51Hz 42Hz 36Hz 27Hz A zone 96Hz 61Hz 51Hz 33Hz 12RLQ B zone 96Hz 61Hz 51Hz 33Hz C zone 96Hz 61Hz 51Hz 33Hz D zone 57Hz 42Hz 36Hz 27Hz E zone 57Hz 42Hz 36Hz 27Hz ...

Page 18: ... Lo Quiet A zone 130Hz 96Hz 80Hz 68Hz B zone 130Hz 96Hz 80Hz 54Hz 9RLQ C zone 130Hz 96Hz 80Hz 45Hz A zone 130Hz 96Hz 80Hz 68Hz B zone 130Hz 96Hz 80Hz 54Hz 12RLQ C zone 130Hz 96Hz 80Hz 45Hz A zone B zone 18CL C zone When the room temperature is between 4 F 2 C to 6 F 3 C of the setting temperature the compressor frequency is controlled within the range shown in Table2 However the maximum frequency ...

Page 19: ...the indoor unit shall run at operation frequency of 58Hz for a minute Operating frequency ASU9RLQ 33Hz ASU12RLQ 33Hz ASU18CL 24Hz room room temperature temperature compressor ON Ts 3 F 1 5 C Ts 1 F 0 5 C compressor OFF Compressor ON OFF Indoor fan Dry air flow S Lo OFF Table 3 Compressor frequency Fig 3 Compressor Control based on Room Temperature Fig 4 Indoor Fan Control 05 03 When an IAQ works i...

Page 20: ...y Cooling automatic dry TS 4 F 2 C TB TS 4 F 2 C Monitoring Monitoring Monitoring TB TS 4 F 2 C Heating Heating 18CL is Monitoring 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 2 F 1 C for 8 minutes operation is automatically switched to DRY ...

Page 21: ... is set at Auto it operates on MED Fan Speed ASU12RLQ Operation mode Air flow mode Speed rpm Hi 1440 Me 1350 Me 1200 Lo 1000 Quiet 760 Cool air prevention 760 Heating S Lo 480 Hi 1370 Me 1150 Lo 950 Cooling Fan Quiet 700 Dry 700 ASU18CL Operation mode Air flow mode Speed rpm Hi Me Me Lo Quiet Cool air prevention Heating S Lo 480 Hi 1480 Me 1260 Lo 1040 Cooling Fan Quiet 850 Dry 850 05 05 ASU18RL O...

Page 22: ... Figure 7 temperature rises On the other hand if switched LOW mode HIGH QUIET the indoor motor 2 F 1 C will run at a constant airflow of HEAT 3 F 1 5 C operation modes QUIET LOW MED HIGH as shown in Table 5 4 F 2 C 5 F 2 5 C MED mode When the room temperature lowers Room temperature D Setting temperature 6 COOL AIR PREVENTION CONTROL Heating mode Indoor heat exchanger Indoor heat exchanger tempera...

Page 23: ...n After the defrost control is operated on the heating mode the fan speed keeps at the higher speed as table 7 without relating to the compressor frequency 05 07 A D E F A D E F A D E F ZONE 800 760 470 400 280 250 200 860 820 670 500 400 340 280 280 250 230 500 400 280 200 500 400 280 250 200 500 400 340 280 280 250 230 760 680 470 760 680 470 Refer to Fig1 rpm ASU18RL A D E F 860 820 670 500 400...

Page 24: ...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...

Page 25: ...c 60sec 60sec ASU12RLQ 80sec 60sec 60sec 180sec 60sec 60sec ASU18CL 60sec 40sec 40sec 60sec 150sec 60sec Table 8 Compressor Operation Frequency Range 2 OPEARTION FREQUENCY CONTROL AT START UP The compressor frequency soon after the start up is controlled as shown in the figure 10 Fig 10 Compressor Control at Start up Time Time Time Time Time Time Frequency Time Frequency Frequency Frequency Freque...

Page 26: ...ill be turned on Operation mode Stop mode Set time of timer The program timer allows the OFF timer and ON timer to be used in combination one time Operation mode Operation will start from the timer setting either OFF timer or ON timer whichever is closest to the clock s current timer setting The order of operations is indicated by the arrow in the remote control unit s display SLEEP timer operatio...

Page 27: ...ration mode When the sleep timer is set the setting temperature is increased 2 F 1 C It increases the setting temperature another 2 F 1 C after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting Ts 2 F 1 C 4 F 2 C Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 2 F 1 C It decrea...

Page 28: ...tinue 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 later after the c...

Page 29: ... at last before ending the air conditioner operation It takes 18 minutes to complete the coil dry operation Table 12 COIL DRY or AIR CLEAN Operating Functions Indoor Fan Speed Compressor Frequency Louver Position Main Unit Indication COIL DRY or AIR CLEAN indication ON Other indication OFF 05 13 Forced cooling operation Cooling 16 FORCED COOLING OPERATION Forced cooling operatio is started when pr...

Page 30: ...12RLQ ASU18CL ASU18RL Defrosting after 2 time upon starting operation nd Less than 35 minutes 35 minutes to 4 hours Does not operate Compressor operating time After 4 hours 27 F 3 C 27 F 3 C 27 F 3 C 21 F 6 C 21 F 6 C 21 F 6 C 2 CONDITION OF THE DEFROST OPERATION COMPLETION Defrost operation is released when the conditions become as shown in Table 14 Table 14 Defrost Release Condition Release Cond...

Page 31: ...eration 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 16 F 9 C Outdoor heat exchanger temperature Outdoor heat exchanger temperature Outdoor heat exchanger temperature Outdoor heat exchanger tempera...

Page 32: ...L OFF Defrost Flow Chart Heating operation stop Outdoor heat exchanger temperature Below 25 F 4 C and Compressor integrating operation Over 30 minutes Defrost start Defrost Indicater Operation lamp Outdoor heat exchanger temperature Over 50 F 10 C 61 F 16 C or Compressor ON time Over 15 minutes Defrost end 2 OFF DEFROST END CONDITION Release Condition Outdoor heat exchanger temperature sensor valu...

Page 33: ...e 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 15 Discharge Temperature Over Rise Prevension Control Release Temperature Temperature Temperature Temperature 2 CURRENT RELEASE CONTROL The compressor frequency is c...

Page 34: ...RLQ 153 F 67 C ASU18CL 153 F 67 C ASU18RL 153 F 67 C Temperature 5 HIGH TEMPERATURE RELEASE CONTROL HEATING MODE On heating mode the compressor frequency is controlled as following based on the detection value of the indoor heat exchanger temperature sensor 05 18 ASU9 12RLQ ASU18RL 46Hz or greater 45Hz 39Hz or greater 38Hz 39 45Hz 38Hz 26 38Hz 25Hz 19 29Hz 18Hz 18 25Hz OFF OFF Indoor heat exchange...

Page 35: ...6 REFRIGERANT CAUTION R410A R410A WALL MOUNTED type INVERTER ...

Page 36: ...ng 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 refrigerating cycle complete ly it is necessary to perform appropriate vacuum drying For that reason vacuum conditions can be confirmed cer tainly Vacuum valve Fig 4 16 This valve builts in a check valve and it is easily possible to vacuum a refrigera...

Page 37: ...el with HFC R407C R410A model If you use existing pipes it may cause resolution of compressor oil by remaining mineral oil 3 8 15 88mm R410A 22 29 19 7 25 R22 R407C R22 R407C R22 R407C 19 4 23 20 27 3 4 19 05mm R410A 24 36 24 29 R22 R407C 23 7 29 24 Material Nominal diameter in 1 4 3 8 1 2 5 8 3 4 7 8 1 1 8 1 1 4 1 1 2 1 3 8 1 6 35 9 52 12 70 15 88 19 05 22 22 28 58 31 75 38 10 34 92 25 40 Outside...

Page 38: ...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 ...

Page 39: ...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...

Page 40: ...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 ...

Page 41: ...emical compound including chlorine and hydrogen ODP 0 02 01 HCFC Hydro Chloro Fluoro Carbon For example R22 for air conditioner R134a for Car air conditioner HFC3 Hydro Fluoro Carbon R407C for air conditioner Refrigerant characteristics R22 Composition wt R22 100 Boiling Point 40 8 Behavior Pressure at 54 5 C kPa 2 151 Temperature Glide deg 0 ODP 0 055 R407C R32 R125 R134a 23 25 52 43 6 zeotrope 2...

Page 42: ... Pressure Mpa 39 2 27 40 2 32 41 2 38 42 2 44 44 2 57 45 2 63 46 2 69 47 2 76 48 2 83 49 2 90 51 3 04 52 3 11 53 3 18 54 3 26 56 3 41 57 3 49 58 3 57 59 3 65 61 3 82 62 3 90 63 3 99 64 4 08 Desighed pressure of R410A refrigerant Pressure Temp Relation between R410A condensing temperature and saturated pressure Temp Pressure Advantage Disadvantage Suitable for R410A higher system performance Near A...

Page 43: ...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...

Page 44: ...eration lamp 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 Refrigeration cycle diagnosis ...

Page 45: ...NO NO NO D1 R1 L1 defective 07 01 Does not connected cable do wrong wiring 3 C19 DC 8 0V 3V YES C13 DC13 5V 1V Is AC input voltage between terminal 1 2 normal Fault of an input power supply Is AC voltage between VA 1 normal Power supply input circuit Is DC voltage between terminal of C5 normal Switching power circuit Switching power circuit Is DC voltage between terminals of C13 and C19 normal Is ...

Page 46: ...eration lamp Red and Timer lamp Green 2 Upon pulling out and inserting the AC plug the starts to operates from remote control At this state a normal operation indication is performed 3 By pressing TEST button of remote control 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 Error ...

Page 47: ...fer to the after mentioned Serial Signal Diagnosis for the voltage measuring method and diagnosis method Diagnosis Point Check the indoor outdoor cable connection in order If the cable wiring is not 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...

Page 48: ...r to Thermistor characteristics table Controller PCB defective Diagnosis Point Check thermistor resistance value Refer to Thermistor characteristics table Controller PCB defective Diagnosis Point Check thermistor resistance value Refer to Thermistor characteristics table Controller PCB defective Forced auto switch becomes ON for 30 consecutive seconds It indicates the error but the operation conti...

Page 49: ... outdoor fan is defetcive does not rotate Controller PCB defective Refer to after mentioned IPM diagnosis Refrigeration cycle defective Refer to after mentioned refrigeration cycle diagnosis The current value during the operation after 1 minute from starting up the compressor is 0A permanent stop Diagnosis Point Check if CT wire is open Controller PCB defective 21 17 18 1A 1B The compressor speed ...

Page 50: ...an motor defective Controller PCB defective Diagnosis Point Fan motor connector loose defective contact Fan motor defective Controller PCB defective Diagnosis Point Check if 2 way valve or 3 way valve is left open Heat radiation is blocked Inlet outlet Check if outdoor fan is defective does not rotate Refrigeration cycle defective Refer to after mentioned refrigerant cycle disagnosis Excessive hig...

Page 51: ...l Check outdoor unit control unit Check cable wiring of terminal base of indoor and outdoor unit correctly connected as numbered Does voltage AC208 to 230V appear between NO terminal 1 and 2 of indoor unit terminal base Check cable wiring of terminal base Does indoor unit start to operate Conduct the inspection on no operation at all Outdoor unit controller PCB board failure Measure voltage betwee...

Page 52: ...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...

Page 53: ... Failure NORMAL ASU9 12RLQ Compressor Case Temperature at 68 F 20 C 0 710 ohm ASU18CL RL Compressor Case Temperature at 68 F 20 C 0 730 ohm s 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 operation Check if the EEV operates ...

Page 54: ...NDING 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 4 Capacity Input data ...

Page 55: ...o Code B it can not receive the signal unless remote control PCB is also changed to Code B Indoor Unit Remote Control JM3 JP J4 JP Code A Default YES YES Code B NO NO Auto Restart It is possible to disengage Auto Restart function if it is not needed Indoor Unit JM2 JP With Auto Restart function Default YES Without Auto Restart function NO Outdoor Unit AOU9 12RLQ AOU18CL RL JP JM500 Normal Preheat ...

Page 56: ... 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 63 5 17 5 68 20 72 5 22 5 77 25 81 5 27 5 86 30 90 5 32 5 In Outdoor ambient temperature F C Outdoor High Pressure Mpa Relative Humidity 50 Relative Humidity 60 Relative Humidity 70 2 00 2 10 2 20 2 30 2 40 2 50 2 60 ...

Page 57: ...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 32 0 35 6 2 39 2 4 42 8 6 46 4 8 50 10 53 6 12 57 2 14 Outdoor ambient temperature F C Outdoor High Pressure Mpa Indoor inlet temp 59 F 15 C Indoor inlet temp 68 F 20 C Indoor inlet temp 74 F 23 C 3 50 3 60 3 70 3 80 3 90 4 00 4 10 4 20 4 30 4 40 Outdoor a...

Page 58: ...nuously for 30 minutes After 60 minutes of operation Test mode is released automatically 1 Indoor Outdoor Temperature Outdoor Low Pressure Curve ASU18CL RL series 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve ASU18CL RL series 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 Cabl...

Page 59: ...r 30 minutes After 60 minutes of operation Test mode is released automatically 1 Indoor Outdoor Temperature Outdoor High Pressure Curve ASU18RL 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve ASU18RL 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 3 3 2 3 4 3 6 3 8 4 32 0 4...

Page 60: ...00 175 70 134 93 104 59 81 79 64 50 51 27 41 07 33 13 26 91 22 01 18 10 14 98 12 47 10 44 8 78 7 42 6 31 5 38 4 61 3 97 3 43 2 98 2 59 2 26 1 99 3 85 Temp F C Voltage V 32 00 41 00 50 00 59 00 68 00 77 00 86 00 95 00 104 00 113 00 122 00 131 00 140 00 149 00 158 00 167 00 176 00 185 00 194 00 203 00 212 00 0 00 5 00 10 00 15 00 20 00 25 00 30 00 35 00 40 00 45 00 50 00 55 00 60 00 65 00 70 00 75 0...

Page 61: ...ne Capacity Input which does not contain the defrosting cycle Heating 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Outdoor DB F Capacity 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 Outdoor DB F Input 32 41 50 59 68 77 23 14 5 Rated operation 75 75 IndoorDB 70 F Maximum 42 42 IndoorDB 70 F Without Frost Without Frost With Frost 32 41 50 59 68 77 23 14 5 operation Maximum o...

Page 62: ...Input Both capacity and input change largely when temperature is 50 or less degrees F as outdoor fan speed is decreased due to low ambient temperature cooling control Both capacity and input change more largely at less than 32 degrees F of ambient temperature as outdoor fan speed is decreased further Cooling Outdoor DB F Capacity Input Outdoor DB F 08 08 ...

Page 63: ...out Frost With Frost Maximum operation Rated Input Maximum operation Rated operation Without Frost Without Frost With Frost Defrosting operation is performed when temperature is less than 42 degrees F Frost appears on an outdoor unit heat exchanger at 42 or less degrees F Solid line Integral capacity Input containing the defrosting cycle Dotted line Capacity Input which does not contain the defros...

Page 64: ...es F as outdoor fan speed is decreased due to low ambient temperature cooling control Both capacity and input change more largely at less than 32 degrees F of ambient temperature as outdoor fan speed is decreased further Both capacity and input decrease when temperature is 66 or less degrees F for compressor frequency restrictions operate Both capacity and input decrease when temperature is 104 or...

Page 65: ...With Frost With Frost Maximum operation Current release works Maximum operation Current release works Current release works Current release works Rated operation Rated IndoorDB 70 F Outdoor DB F Outdoor DB F Defrosting operation is performed when temperature is less than 42 degrees F Frost appears on an outdoor unit heat exchanger at 42 or less degrees F Solid line Integral capacity Input containi...

Page 66: ...ees F as outdoor fan speed is decreased due to low ambient temperature cooling control Both capacity and input change more largely at less than 32 degrees F of ambient temperature as outdoor fan speed is decreased further Both capacity and input decrease when temperature is 66 or less degrees F for compressor frequency restrictions operate Both capacity and input decrease when temperature is 104 o...

Page 67: ...9 REPLACEMENT PARTS R410A WALL MOUNTED type INVERTER ...

Page 68: ...REPLACEMENT PARTS 09 01 Models ASU9RLQ ASU12RLQ ...

Page 69: ...REPLACEMENT PARTS 09 02 Models ASU9RLQ ASU12RLQ ...

Page 70: ...REPLACEMENT PARTS 09 03 Models AOU9RLQ AOU12RLQ ...

Page 71: ...REPLACEMENT PARTS 09 04 Models ASU18CL ASU18RL ...

Page 72: ...REPLACEMENT PARTS 09 05 Models ASU18CL ASU18RL ...

Page 73: ...REPLACEMENT PARTS 09 06 Models ASU18CL ASU18RL ...

Page 74: ...S 09 07 PROCESS ATTACHMENT OF INVERTER ASSY INVERTER ASSY Tap tight screw TERMINAL BRACKET Do not run up the terminal board mounting metal on 2 location of hook THERMISTOR OUT TEMP is passed here SEPARATER 1 1 2 2 A A ...

Page 75: ...5 6 7 8 The leads are connected with INVERTER ASSY MOTOR LEAD THERMISTOR ASSY COND DIS THERMISTOR OUT TEMP SOLENOID LEAD COIL EXP VLV LEAD COMP LEAD WIRE CLAMPER REACTOR LEAD Cross and Run the wire in front of bytly rubber sheet A A B 4 4 8 is fixed to HOLDER ...

Page 76: ...REPLACEMENT PARTS 09 09 PROCESS 7 6 7 The leads are connected with INVERTER ASSY TERMINAL COVER PCB side COMP side BINDER B D D E E 0 10mm COMP LEAD is passed TERMINAL COVER the under ...

Page 77: ...0 PROCESS 1 1 2 3 4 Fixing of Thermistor lead and motor lead THERMISTOR ASSY SUC DIS THERMISTOR OUT TEMP MOTOR LEAD COIL EXP VLV 0 5mm 200 230mm 10 10mm E E B B 190 220mm 160 190mm 120 140mm B B A A 1 2 2 2 4 4 4 3 3 3 1 1 1 ...

Page 78: ...10 INSTALLATION MANUAL R410A WALL MOUNTED type INVERTER ...

Page 79: ...lowing items are necessary to install this air conditioner The items are not included with the air conditioner and must be purchased separately CAUTION MINIMUM CIRCUIT AMPACITY 16 A MAXIMUM OVERCURRENT PROTECTION 20 A TIME DELAY FUSE OR HACR TYPE CIRCUIT BREAKER ELECTRICAL WIRING OUTDOOR UNIT 1 Remove the screws then remove the control box cover 2 Fasten the Inter unit wire harness and power suppl...

Page 80: ... PANEL REMOBAL AND INSTALLATION to remove the front panel 2 Remove screws of the heat exchanger ang then remove grounding wire 3 Remove 2 thermistor 4 Remove screw then remove the connector cover and connector 5 Remove screw then remove the control unit CIRCUIT BOARD SCREW CONNECTOR TO RENOTE CONNTROL UNIT CUT 2 Connecting to control unit of wire 1 Connect the wire of wired remote control unit to ...

Page 81: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan GS01012006 JAN 2006 Printed in Japan ...

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