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7 . TROUBLE SHOOTING

R410A

CEILING WALL 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

Содержание AW?Z24LBC

Страница 1: ...SPLIT TYPE ROOM AIR CONDITIONER CEILING WALL type Models Indoor unit Outdoor unit AW Z24LBC AO Z24LBT INVERTER SERVICE INSTRUCTION R410A ...

Страница 2: ...ESSOR 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 OPERATION CONTROL 17 COMPRESSOR PREHEATING 20 DEFROST OPERATION CONTROL 22 VARIOUS PROTECTIONS 21 OFF DEFROST OPERATION CONTROL 01...

Страница 3: ...ERTER ASSEMBLY SPECIFICATION 8 APPENDING DATA 1 JUMPER SETTING OF INDOOR UNIT AND OUTDOOR UNIT 3 CAPACITY INPUT DATA 4 THERMISTOR RESISTANCE VALUES 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 8 TROUBLE SHOOTING OF REFRIGERANT CYCLE 06 01 06 02 06 04...

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

Страница 5: ... 850 r p m 900 r p m FAN MOTOR DIMENSIONS and WEIGHT INDOOR UNIT H x W x D OUTDOOR UNIT 830 x 900 x 330 mm 250 x 899 x 298 mm INDOOR UNIT Gross Net H x W x D Gross Net OUTDOOR UNIT 70 kg 62 kg 17 5 kg 14 kg REFRIGERANT CHARGE R410A FULL CHARGE 2 100 g 15 m 20 m 25 m 30 m Pipe Length 2 200 g 1 900 g 2 000 g ADDITIONAL CHARGE 20 g m MAX PIPE LENGTH 30 m COMPRESSOR TYPE DISCRIMINATION REFRIGERANT R41...

Страница 6: ...2 DIMENSIONS R410A CEILING WALL type INVERTER ...

Страница 7: ... Unit mm DIMENSIONS INDOOR UNIT 02 01 Models AW Z24LBC 300 298 899 250 170 40 ...

Страница 8: ...OUTDOOR UNIT unit mm 77 900 830 21 9 400 330 31 12 196 147 170 99 370 650 Air Flow 02 02 Models AO Z24LBT ...

Страница 9: ...3 REFRIGERANT SYSTEM DIAGRAM R410A CEILING WALL type INVERTER ...

Страница 10: ...Large Strainer Strainer Muffler Pressure switch 4 Way valve Expansion valve Heat exchanger INDOOR Heat exchanger OUTDOOR Sub accumulator Compressor Refrigerant pipe diameter Liquid 1 4 6 35 mm Gas 5 8 15 88 mm Cooling Heating 03 01 Models AW Z24LBC AO Z24LBT ...

Страница 11: ...4 CIRCUIT DIAGRAM R410A CEILING WALL type INVERTER ...

Страница 12: ...3 12 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 1 2 3 4 1 2 1 2 1 2 3 4 5...

Страница 13: ...2 1 3 2 1 2 1 2 1 2 1 7 6 5 4 3 2 1 2 1 2 1 6 5 4 3 2 1 7 6 5 4 3 2 1 6 5 4 3 2 1 3 2 1 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 CN700 CN801 CN500 CN110 CN1 CN400 CN200 CN11 CN60 CN61 CN62 CN64 CN90 CN40 CN42 CN303 CN301 W306 W307 W302 W301 W17 W16 TM102 TM101 W303 W W304 V W305 U W8 W7 W13 W12 L2 L1 P N1 N2 I O TM600 TM601 W4 R C S CN100 1 2 W29 W28 W25 W26 W21 W20 W9 W17 W3 W18 W2 W1 W19 WH...

Страница 14: ...5 DESCRIPTION OF EACH CONTROL OPERATION R410A CEILING WALL type INVERTER ...

Страница 15: ...27Hz 21Hz F zone 39Hz 31Hz 27Hz 21Hz S Quiet 25Hz 25Hz 21Hz 21Hz 21Hz 21Hz Table 1 Compressor Frequency Range When the compressor operates for 30 minutes continuously at over the maximum frequency the maximum frequency is changed from Maximum Frequency to Maximum Frequency The room temperature is controlled 1 C lower than the setting temperature for 40 minutes after starting the operation After 40...

Страница 16: ...tside air temperature temperature 19 C C zone 17 C 14 C B zone 12 C A zone Hi Me Lo Quiet A zone 87Hz 63Hz 51Hz 49Hz B zone 87Hz 63Hz 51Hz 47Hz 24LBC C zone 87Hz 63Hz 51Hz 43Hz S Quiet 47Hz 43Hz 39Hz When the room temperature is between 2 C to 3 C of the setting temperature the compressor frequency is controlled within the range shown in Table2 However the maximum frequency is limited in the range...

Страница 17: ...hown in the Table 3 However after the compressor is driven the indoor unit shall run at operation frequency of 58Hz for a minute Operating frequency AW Z24LBC 23Hz room room temperature temperature compressor ON Ts 1 5 C Ts 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...

Страница 18: ...ng automatic dry Cooling automatic dry Ts 2 C Tb Ts 2 C Monitoring Monitoring Monitoring 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 temperature 1 C for 8 minutes operation is automatically switched to DRY and the same operation as DRY...

Страница 19: ...LOW MED HIGH while the indoor fan only runs When Fan mode is set at Auto it operates on MED Fan Speed AW Z24LBC Operation mode Air flow mode Speed rpm Hi 1 700 Me 1 610 Me 1 510 Lo 1 390 Quiet 1 260 S Quiet S Quiet S Quiet 1 120 Cool air prevention 850 Heating S Lo 480 Hi 1 500 Me 1 370 Lo 1 250 Cooling Fan Quiet 1 030 1 130 Dry 1 030 05 05 1 130 ...

Страница 20: ... as shown in When the room Figure 7 temperature rises On the other hand if switched LOW mode HIGH QUIET the indoor motor 1 C will run at a constant airflow of HEAT 1 5 C operation modes QUIET LOW MED HIGH as shown in Table 5 2 C 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 exchang...

Страница 21: ...outdoor fan it operates with the following speed for initial 20 seconds Table 8 Fan speed when starting up Outdoor fan After operating the defrost control function on heating mode its speed becomes 1 000rpm regardless of the compressor frequency However it returns to the normal speed control when the defrosting operation does not function for 240 minutes after releasing the defrost operation or wh...

Страница 22: ... In addition if the air conditioner is stopped vertical louver will be closed automatically Vertical Air Direction Adjustment 6 Each time the button is pressed the air direction range will change as follow Function Range Horizontal Air Direction Adjustment 7 1 8 7 7 8 8 5 6 Cooling mode Dry mode Fan mode Heating mode Fan mode 2 SWING OPERATION When the swing signal is received from the remote cont...

Страница 23: ...x Dry AW Z24LBC 21Hz 75Hz 21Hz 87Hz 23Hz AW Z24LBC 40Hz 59Hz Table 9 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 Frequency Time Frequency Frequency Time Time Frequency Frequency 05 09 AW Z24LBC 60sec 40sec AW Z24LBC ...

Страница 24: ... 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 operation c...

Страница 25: ...ion In the cooling operation mode When the sleep timer is set the setting temperature is increased 1 C It increases the setting temperature another 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 1 C 2 C Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decr...

Страница 26: ...fter the compressor stopped When the power was interrupted by a power failure etc during operation the operation contents at that time are memorized and when power is recovered operation is automatically started with the memorized operation contents When the power is interrupted and recovered during timer operation since the timer operation time is shifted by the time the power was interrupted an ...

Страница 27: ... COMPRESSOR PREHEATING Table 11 Preheating Operation Release Temperature Temperature Temperature 5 C 7 C 18 COIL DRY AND CLEAN OPERATION CONTROL The coil dry operation functions by pressing COIL DRY button on the remote controller The coil dry operation is consisted of 3 cycles of Fan operation 3 minutes Heating operation 2 minutes and Fan operates for 3 minutes at last before ending the air condi...

Страница 28: ...er is functioning Upon filter function is completed it goes off When the filter cleaning function is abnormal MAINTENANCE SIGN lamp Red blinks 1 sec ON 1 sec OFF Notification of Dust box maintenance MAINTENANCE SIGN lamp Red will light up It notifies the timing of Dust box maintenance It lights up after 2 000 or 4 000 hours of operation by setting up with the auto cleaning function time The red la...

Страница 29: ... ON 1 sec OFF 3 Filter cleaning forced stop function when Dust box maintenance notification is in operation When MAINTENANCE SIGN LED Red is ON following functions do not work until reset button will be pressed Auto cleaning Manual filter cleaning function Filter auto retract function Forced filter cleaning function Off timer operating time auto cleaning This protecting function can be released by...

Страница 30: ... upon starting operation ND Compressor operating time Less than 17 minutes 17 to 60 minutes 60 minutes to 4 hours After 4 hours Does not operate 9 C 5 C 3 C Less than 35 minutes 35 minutes to 4 hours Does not operate Compressor operating time After 4 hours 3 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 ...

Страница 31: ...essor 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 ex...

Страница 32: ...r heat exchanger temperature is less than 4 C and compressor operation integrating time lasts for more than 30 minutes AW Z24LBC OFF Defrost Flow Chart Heating operation stop Outdoor heat exchanger temperature Below 4 C and Compressor integrating operation Over 30 minutes Defrost start Defrost Indicater Operation lamp Outdoor heat exchanger temperature Over 13 C or Compressor ON time Over 15 minut...

Страница 33: ...d 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 controlled so that the outdoor unit input current does not exceeds the current limit velue that was...

Страница 34: ... temperature rises to temperature or greater the compressor is stopped and trouble display is performed AW Z24LBC 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 20 AW Z24LBC 59Hz or greater 57Hz 31 57Hz 23 29Hz 21Hz 21Hz OFF Indoor he...

Страница 35: ...or detects Temperature in the table below after 3 minutes of compressor stop Table 22 Operating Temperature of Compressor Protection Temperature Temperature AW Z24LBC 7 HIGH PRESSURE PROTECTION When the pressure switch becomes OFF open higher than 609 2 psi 4 2 Mpa the compressor is stopped It is released when the pressure switch becomes ON close lower than 464 1 psi 3 2 Mpa after 3 minutes of com...

Страница 36: ...6 REFRIGERANT CAUTION R410A R410A CEILING WALL type INVERTER ...

Страница 37: ...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...

Страница 38: ...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...

Страница 39: ...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 40: ...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 41: ...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 42: ...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...

Страница 43: ... 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...

Страница 44: ...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 45: ...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 ...

Страница 46: ...tive IC5 T1 IC20 defective F1 VA1 defective 07 01 Does not connected cable do wrong wiring 3 YES C12 DC20 C13 DC13 5V 1V Is AC input voltage from AC outlet normal Fault of an input power supply Is AC voltage between VA 1 normal Switching power circuit Is DC voltage between terminal of C4 normal Switching power circuit Switching power circuit Is DC voltage between terminals of C12 C13 normal Is DC ...

Страница 47: ...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 ...

Страница 48: ... 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 When ...

Страница 49: ...ler 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 continues Diagnosis Point Check if forced auto switch is kept pressed Forced auto switch defective Controller PCB defective After 2 minutes 20 seconds of stopping oper...

Страница 50: ...s 0A permanent stop Diagnosis Point Check if CT wire is open Controller PCB defective The compressor speed does not synchronize with the control signal Including start up failure of the compressor permanent stop Diagnosis Point Check if 2 way valve or 3 way valve is left open Check the compressor Winding resistance value loose lead wire Refrigeration cycle defective Refer to after mentioned refrig...

Страница 51: ...n on cooling mode has been activated Compressor outdoor fan Off It releases after 3 minute ST Diagnosis Point Heat radiation is blocked Inlet outlet Check if outdoor fan is defective does not rotate Refrigeration cycle defective Refer to after mentioned refrigerant cycle diagnosis Excessive voltage of DC voltage on PFC circuit in inverter PCB is detected or the excessive current in the circuit is ...

Страница 52: ...ormal Check outdoor unit control unit Does voltage AC220 to 230V appear between NO terminal L and N 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 between terminal N and 3 of indoor unit terminal base Is it normal Indoor unit controller PCB IC1...

Страница 53: ...IPM Protection Checking Points Check the following points and locate the cause in the outdoor unit Cause ...

Страница 54: ...lure Checking points Check the following points and locae the cause in the outdoor unit Cause 1 Incorrect wiring 2 Active Filter Module defective 3 PC Board defective 4 DC voltage detectiion circuit defective First Step ...

Страница 55: ...compressor is defective Compressor Failure NORMAL AW Z24LBC Compressor Case Temperature at 25 C 1 086 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 just before compressor is turned o...

Страница 56: ...NDING DATA R410A CEILING WALL type INVERTER 1 Jumper setting of Indoor unit and Outdoor unit 2 Outdoor unit Pressure Value and Total Electric Current Curve 3 Capacity Input Data 4 Thermistor Resistance Values ...

Страница 57: ...ed to Code B it can not receive the signal unless remote control PCB is also changed to Code B Indoor Unit Remote Control JM2 JP J1 Code A Default Code B Auto Restart It is possible to disengage Auto Restart function if it is not needed Indoor Unit JM1 JP With Auto Restart function Default Without Auto Restart function Outdoor Unit AO Z24LBT JP JM2 JM903 JM092 JM901 Normal Preheat 24LBT Higher Pre...

Страница 58: ...button of remote control 2 Operate continuously for 30 minutes After 60 minutes of operation Test mode is released automatically 1 Indoor Outdoor Temperature Outdoor Low Pressure Curve AW Z24LBC 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AW Z24LBC Measure the low pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current c...

Страница 59: ...de and press TEST button of remote control 2 Operate continuously for 30 minutes After 60 minutes of operation Test mode is released automatically 1 Indoor Outdoor Temperature Outdoor High Pressure Curve AW Z24LBC 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AW Z24LBC outdoor unit overall current with the current clamp meter at Power Cable length 08 03 50Hz 230V 2 7 2 8 2 9 3 ...

Страница 60: ...ed when temperature is less than 5 5 degrees C Frost appears on an outdoor unit heat exchanger at 5 5 or less degrees C Solid line Integral capacity Input containing the defrosting cycle Dotted line Capacity Input which does not contain the defrosting cycle Under construction Under construction ...

Страница 61: ...ture is 10 or less degrees C as outdoor fan speed is decreased due to low ambient temperature cooling control Both capacity and input change more largely at less than 0 degrees C of ambient temperature as outdoor fan speed is decreased further Under construction Under construction ...

Страница 62: ...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 63: ...9 REPLACEMENT PARTS R410A CEILING WALL type INVERTER ...

Страница 64: ...REPLACEMENT PARTS 09 01 Models AW Z24LBC ...

Страница 65: ...REPLACEMENT PARTS 09 02 Models AW Z24LBC ...

Страница 66: ...REPLACEMENT PARTS 09 03 Models AW Z24LBC ...

Страница 67: ...REPLACEMENT PARTS 09 04 Models AO Z24LBT ...

Страница 68: ...REPLACEMENT PARTS 09 05 Models AO Z24LBT ...

Страница 69: ... slide PWB ASSY and set PWB ASSY by the ditches Pay attention PWB ASSY must be in the ditch C The run ashore is NG When insert PWB ASSY to CONTROL COVER take care not to damage its back Moreover the thing which it is careful of not to catch the test connector of CN3 CONTROL COVER Hole A fig 1 fig 2 Ditch A Ditch C Ditch B fig 3 fig 4 Ditch D Warn against catching UV harness in the case of substrat...

Страница 70: ...ONS The connector side of a euphotic board Is inserted under a hook like Fig 1 and it fixes Don t push a photograph amplifier capacitor with a finger The lid of a euphotic case is closed It is euphotic case attaches to the position of Fig 3 It is made not to put harness hook A Fig 2 photograph amplifier capacitor ...

Страница 71: ...4 Fig 5 Attach a euphotic case in a substrate lid like Fig Unite the slot of a euphotic case with the slot of a sulid Take about harness as shown in a figure Fig 4 Fig 6 slot A Euphotic harness is fixed together withalead display ...

Страница 72: ...REPLACEMENT PARTS 09 09 PROCESS Installation of an electrical control unit 1 1 2 3 3 4 5 6 7 8 8 8 9 10 Unit Electrical Control unit Cover Binder Tape L 60mm Screw Screw EMI Filter Binder spring 2 A B C ...

Страница 73: ...REPLACEMENT PARTS 09 10 Rib Hook is the inner side of the rib of casing screw boss NG The rib of electrical box should insert in to the slot on the casing C Casing Casing rib Evaporator holder R rib 2 ...

Страница 74: ...NT PARTS 09 11 D D D D Sensor case 5 10mm Distance from heat exchanger end Relay connector Connect UV unit lead to relay connector UV unit lead Instllation of UV unit connector sensor case Sensor case 3 0 5 1 2 ...

Страница 75: ...ure thermistor lead Hold a UV unit lead and Pipe thermistor lead with ground lead 6 Lead connection details Screw 6 Evaporator Grounding terminal Ground wire UV unit lead Room temperature thermistor lead Heat exchange cover 10mm over Standard Each lead wires like an upper figure ...

Страница 76: ... cover upper part E F G G F G G E Spring Remainder of each lead UV unit room temperature piping thermistor lead is put in between a heat exchanger cover and an electrical control unit as shown in the above figure Do not touch each lead and the spring Piping thermistor Piping thermistor Transparent tube ...

Страница 77: ... stepping motor wire with a connector Stepping motor for diffuser Casing Electronic equipment lid rib Electronic equipment box The connector for louver is between an electronic equipment lid rib and an electronic equipment box Don t protrude a lead from an electronic equipment lid rib ...

Страница 78: ...ol unit side relay lead H 2 4 4 Tighten a relay board lead and casing together Relay board lead should let between the casing ribs pass as shown in the above figure Do not protrude from lib Installation location OK OK NG Binder 4 Binder Relay board lead Relay board lead 4 H Relay connector does not get on casing Lead does not get on the screw boss ...

Страница 79: ...CEMENT PARTS 09 16 Installation of relay PCB connector J J 10 15mm 0 5mm Slack relay board lead on the left of a tape J J Tape is not slacked Motor case slot Stepping motor Relay PCB lead Motor case 5 5 Tape ...

Страница 80: ...nstallation of fan motor connector Fan motor lead red Fan motor lead red is inserted and locked with EMI filter Binder passes in the hole of an EMI filter Four fan motor leads are fastened together pass the back OK NG K K 10 9 ...

Страница 81: ... more Fig 1 W16 RED TR PWB ASSY WIRE WITH TERMINAL W17 BLACK TR PWB ASSY WIRE WITH TERMINAL RED BLACK Connect WIRE WITH TERMINAL TR PWB ASSY ACTPM REGULATIONS As shown in Fig 1 connect wires A right picture shows the example of two times of the twist ...

Страница 82: ...urely until the lock sound is heard W303 BLACK W304 WHITE W305 RED TR PWB ASSY WIRE WITH CONNECTOR must draw around on W301 YELLOW W302 BLUE TR PWB ASSY WIRE WITH CONNECTOR Assemble wires TR PWB ASSY REGULATIONS As shown in Fig 1 assemble wires to TR PWB ASSY Install the connector surely until the lock sound is heard WIRE WITH CONNECTOR WIRE WITH CONNECTOR WIRE WITH CONNECTOR 1 1 2 2 2 3 3 ...

Страница 83: ... W305 RED TR PWB ASSY WIRE WITH CONNECTOR W303 BLACK W304 WHITE W305 RED TR PWB ASSY WIRE WITH CONNECTOR EMI FILTER RFC 10 must pass W303 BLACK W304 WHITE W305 RED TR PWB ASSY Fig 2 Assemble EMI FILTER TR PWB ASSY REGULATIONS As shown in fig 1 assemble EMI FILTER As shown in fig 2 certainly fix EMI FILTER to wires by BINDER EMI FILTER BINDER M 1 1 1 1 2 2 2 ...

Страница 84: ...B WIRE WITH TERMINAL W2 WHITE FILTER PWB and WIRE BLACK FUSE HOLDER twist 3 times from twice Assemble EMI FILTER TERMINAL REGULATIONS As shown in Fig 3 assemble EMI FILTER Certainly fix EMI FILTER to wires by BINDER A right picture shows the example of two times of the twist EMI FILTER BINDER M 1 2 ...

Страница 85: ...REPLACEMENT PARTS 09 22 Fig 2 W2 WHITE FILTER PWB WIRE WITH TERMINAL WIRE BLACK FUSE HOLDER WIRE WITH TERMINAL REGULATIONS As shown in Fig 2 connect WIRE WITH TERMINAL ...

Страница 86: ...W2 WHITE FILTER PWB WIRE WITH TERMINAL WIRE BLACK FUSE HOLDER WIRE WITH TERMINAL EMI FILTER Fig 4 BINDER M EMI FILTER Certainly fix EMI FILTER to wires by BINDER Fig 3 Range of installation of EMI FILTER REGULATIONS As shown in Fig 1 assemble EMI FILTER Certainly fix EMI FILTER to wires by BINDER 1 1 1 2 1 2 ...

Страница 87: ... FILTER PWB WIRE WITH CONNECTOR BLACK TM600 from W21 GRAY FILTER PWB WIRE WITH TERMINAL TM601 from W9 BLACK FILTER PWB WIRE WITH TERMINAL W9 and W21 twist 9 times form 6 times Connect wires PWB ASSY FILTER PWB ASSY MAIN REGULATIONS As shown in Fig 1 connect wires A right picture shows the example of two times of the twist ...

Страница 88: ...W26 must do the twist 13 times from 10 times W29 BROWN FILTER PWB WIRE WITH TERMINAL W28 and W29 must do the twist 13 times from 10 times The point must become complete in each wire that does the twist Connect WIRE WITH TERMINAL THERMISTOR REGULATIONS As shown Fig 3 connect wires A right picture shows the example of two times of the twist ...

Страница 89: ...R PWB WIRE WITH TERMINAL W25 W26 W28 W29 FILTER PWB Pass WIRE WITH TERMINAL through EDGE SADDLE W29 BROWN FILTER PWB WIRE WITH TERMINAL Fig 3 THERMISTOR The wire must not pass on CASE PWB AS Draw around CN100 FILTER PWB WIRE WITH CONNECTER as shown in figure REGULATIONS As shown Fig 3 connect wires ...

Страница 90: ...OLET W301 YELLOW W302 BLUE TR PWB WIRE WITH CONNECTOR TR PWB ASSY W29 BROWN FILTER PWB WIRE WITH TERMINAL W28 ORANGE FILTER PWB WIRE WITH TERMINAL TM102 TM101 W28 and W29 must do the twist 13 times from 10 times W12 and W13 must do the twist 9 times from 6 times Connect wires PWB ASSY CAPACITOR TR PWB ASSY etc REGULATIONS As shown in Fig 1 connect wires A right picture shows the example of two tim...

Страница 91: ...REPLACEMENT PARTS 09 28 PROCESS Wiring ...

Страница 92: ...REPLACEMENT PARTS 09 29 PROCESS Wiring ...

Страница 93: ...REPLACEMENT PARTS 09 30 Model AO Z24LBT PROCESS Wiring ...

Страница 94: ...10 INSTALLATION MANUAL R410A CEILING WALL type INVERTER ...

Страница 95: ...f before you remove the refrigerant piping 2 Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury Upper holes 2 places at left and right Lower fixed places 2 places Upper middle hooks Central fixed places 2 places Body Upper hooks 2 places at left and ...

Страница 96: ...unit Use a 4 mm hexagon wrench Gauge manifold Service hose Vacuum pump CAUTION Use a clean gauge mani fold and charging hose for R410A exclusively t Additional charge Refrigerant suitable for a piping length of 15 m is charged in the outdoor unit at the factory When the piping is longer than 15 m additional charging is neces sary For the additional amount see the table below Between 15 m and 30 m ...

Страница 97: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan FEB 2007 Printed in Japan ...

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