Technibel 387106960 Technical Data & Service Manual Download Page 39 | Manualshive

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15) Symptom: LCD on the remote controller displays “CHECK E16”.

16) “Check P9” is displayed on the remote control unit.

N

O

No

No

Yes

Yes

0647_M_S

S

TART

Repair the wiring.

Y

ES

Yes

0649_M_S

S

TART

Connect firmly.

Is 15P connector socket (RED)

being attached to panel

connected firmly with 15P plug?

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Summary of Contents for 387106960

Page 1: ...ATA SERVICE MANUAL INDOOR UNIT CAVM93R5TAA CAVM123R5TAA CAVM183R5TAA SPLIT SYSTEM AIR CONDITIONER CAVM183R5TAA 0 8180 370 0 07 2004 Model No Product Code No CAVM93R5TAA 387106960 387106962 387106961 C...

Page 2: ...w wiring to touch the refrigerant tubing compressor or any moving parts of the fan Do not use multi core cable when wiring the power supply and control lines Use separate cables for each type of line...

Page 3: ...rge Temperature Control Cooling and Heating 19 4 7 Auto Mode for Automatic Heating Cooling Switching 19 4 8 Automatic Restart after Power Interruption 21 4 9 Electronic Expansion Control Valve 21 4 10...

Page 4: ...Depth mm Ceiling panel Height mm Width mm Depth mm Package dimensions Unit Height mm Width mm Depth mm Volume m3 Ceiling panel Height mm Width mm Depth mm Volume m3 Weight include panel Net kg Shippin...

Page 5: ...el Height mm Width mm Depth mm Package dimensions Unit Height mm Width mm Depth mm Volume m3 Ceiling panel Height mm Width mm Depth mm Volume m3 Weight include panel Net kg Shipping kg Ceiling panel N...

Page 6: ...l Height mm Width mm Depth mm Package dimensions Unit Height mm Width mm Depth mm Volume m3 Ceiling panel Height mm Width mm Depth mm Volume m3 Weight include panel Net kg Shipping kg Ceiling panel Ne...

Page 7: ...capacitor F VAC Panel Model Flap motor rating rpm nominal output W coil resistance 25 C k Dew proof heater Electronic expansion valve Coil Coil resistance 20 C Valve body Heat Exch Coil Coil Rows Fin...

Page 8: ...anel Model Flap motor rating rpm nominal output W coil resistance 25 C k Dew proof heater Electronic expansion valve Coil Coil resistance 20 C Valve body Heat Exch Coil Coil Rows Fin pitch mm face are...

Page 9: ...anel Model Flap motor rating rpm nominal output W coil resistance 25 C k Dew proof heater Electronic expansion valve Coil Coil resistance 20 C Valve body Heat Exch Coil Coil Rows Fin pitch mm face are...

Page 10: ...Safety float switch Model Contact rating 45 C 2 2 5 50 C 1 8 5 10 C 10 0 5 20 C 6 3 5 30 C 4 0 5 40 C 2 7 5 40 C 3 1 5 0 C 16 5 5 5 C 12 8 5 KTEC 35 S6 5 C 12 1 5 10 C 9 7 5 20 C 6 5 5 30 C 4 4 5 55 C...

Page 11: ...2 DIMENSIONAL DATA CAVM93R5TAA CAVM123R5TAA CAVM183R5TAA Units mm 11...

Page 12: ...3 ELECTRICAL DATA 3 1 Electric Wiring Diagram 12...

Page 13: ...L INDOOR F AN OFF OFF OFF OFF 1 1 Refer to 2 4 Outdoor Fan Speed Control MORE THAN 3 MINUTES MORE THAN 5 MINUTES ON ON ON ON ON ON SET SPEED OFF OFF OFF OFF ON ON ON ON ON ON DRAIN PUMP DEW PROOF HEAT...

Page 14: ...body sensor Fig 2 THERMO ON THERMO ON 1 C OFF OFF 2 1 Refer to 2 4 Outdoor Fan Speed Control OFF SET SPEED ON ON ON ON REVERSING CYCLE ON TEMP OPERATION REMOTE CONTROL SENSOR Only for wireless remote...

Page 15: ...n a maximum of 6 minutes has past The indoor fan motor operates in L instead of LL for 3 seconds as it starts to give the fan an initial boost Chart Summary and Explanations the set fan speed as the c...

Page 16: ...nit fan speed will be automatically adjusted to the room temperature as the two charts shown below Chart Explanations and notes B Heating Fig 5 Chart Explanations and notes Fig 4 A Cooling INDOOR FAN...

Page 17: ...oor unit coil to prevent freezing If the refrigerant control is not effective and the temperature continues to drop and stays below 0 C for 2 minutes continuously the control circuit stops the compres...

Page 18: ...il E2 falls below 59 C Sensor E2 When sensor E2 rises above 62 C the control circuit stops the outdoor fan motor till the temp drops to 55 C Fig 10 C ELECTRONIC EXPANSION VALVE INDOOR UNIT COIL TEMP E...

Page 19: ...n shuts down and alarm P3 appears on the remote controller The outdoor fan speed is controlled on discharge temp at heating mode 4 7 Auto Mode for Automatic Heating Cooling Switching When the AUTO mod...

Page 20: ...llows Heating to Cooling Room temp Shifted temp 0 5 deg Cooling to Heating Room temp Shifted temp 1 0deg For example if the room temperature rises above 22 5 C 22 0 5 during the cooling operation at t...

Page 21: ...the right amount of refrigerant through the Electronic Expansion Valve 4 10 Dehumidifying Operation Dehumidifying operation uses the cooling cycle to remove moisture from the air but by running an ind...

Page 22: ...osition if a search action for sensing flap position is not succeeded in one minute only the swing is operated Standby for heating Automatic setting Flap position F1 F2 F3 Swing F1 F2 F3 F4 F5 Swing F...

Page 23: ...control optimal refrigerant flow rate control By outputting the fuzzy estimation result corresponding to the fuzzy input variables the indoor unit coil temp the deviation between the actual discharge...

Page 24: ...afety device has shut the unit down any alpha numeric codes appears on the display to guide you to the problem By understanding the code you can often go right to the problem area and then with this m...

Page 25: ...connected between the indoor unit and outdoor unit Power Supply 50 Hz 3 phase 380 400 415 V 3 Check power supply Check that voltage is within the specified range 10 of the rating Check that power is b...

Page 26: ...g Is setting temp suitable Change the setting temp Is cooling load too heavy Review cooling load estimate 4 way valve is defective Replace the 4 way valve Refrigerant shortage Charge refrigerant gas R...

Page 27: ...ressor Compressor is defective Open the valves fully Air filter is clogged Clean the filter Not enough air circulation Is fan speed set to LOW Set the fan speed to either MEDIUM or HIGH Refrigerant tu...

Page 28: ...ain indoor unit address setting is duplicated judged by outdoor unit Error receiving of serial communications signal Error transmitting of serial communications signal Error receiving of serial commun...

Page 29: ...liquid temp C1 TH0E cannot be detected Outdoor coil gas temp C2 TH0C cannot be detected Operation lamp Timer lamp Heat stand by lamp Protective device for compressor is activated PC compressor motor...

Page 30: ...he air conditioner immediately to avoid the compressor damage Fig 24 LED 2 on P C board Remote controller LED 1 on P C board Possible cause of trouble No message No message P02 P04 P05 F04 F09 H01 H02...

Page 31: ...the remote controller wiring Check and repair the power breaker etc Is the 220 240 V AC circuit shorted Replace or repair Is the primary side of the indoor power transformer shorted Are the connectio...

Page 32: ...itself with self diagnostic functions Replace the remote controller Correct the wiring Correct the setting Open the forced OPR pin Is there an open or a contact defect in the No 1 line of the remote c...

Page 33: ...s on the outdoor unit PCB Is the contact good at the 2P connector for indoor serial communications on the outdoor unit PCB Correct the connections No Correct the connections Replace the indoor unit PC...

Page 34: ...te controller is displaying CHECK E09 Duplicate setting of RCU address switch of remote controllers NO Yes 1903_M_I START Correct wiring Influenced by external noise Is there a cut line or contact def...

Page 35: ...r fan protection thermostat operation warning NO No No Yes Yes Yes 0340_M_I START Is there 220 240 V AC between S4 and T20 3 on the indoor unit PCB Is the indoor fan wire winding protection thermostat...

Page 36: ...e connection Yes No No No Replace the outdoor unit PCB Is there 220 240 V AC between CN19 9 and CN19 1 on the outdoor unit PCB Yes Replace the outdoor unit PCB Is the high voltage switch 63 PH off Yes...

Page 37: ...pressor 12 Symptom LCD on the remote controller displays CHECK P04 High pressure switch activation warning 0343_M_I Start No Yes No Yes 0344_M_I Start Are there connection defects in the wiring High p...

Page 38: ...art Check the power breaker etc and repair No problem Correct the connection Replace the outdoor PCB Is the power supply to the outdoor unit normal Voltage defective phase Is there a contact defect in...

Page 39: ...splays CHECK E16 16 Check P9 is displayed on the remote control unit NO No No Yes Yes 0647_M_S START Repair the wiring YES Yes 0649_M_S START Connect firmly Is 15P connector socket RED being attached...

Page 40: ..._M_I CHECK H02 DISPLAY Compressor lock detection Insufficient voltage Comp motor magnetic contactor defect Refrigerant over charged Start Compressor lock CHECK H01 display Compressor overload detectio...

Page 41: ...e of fan motor winding Replace the fan motor Replace the capacitor Replace the P C B Ass y in the indoor unit No Yes Out 0650_M_S Is 15P connector socket RED attached to panel connected firmly with 15...

Page 42: ...Check resistance of compressor motor winding Replace the compressor NG 0461_M_I No Yes No Yes Is fan motor capacitor normal No Is there voltage output of P C B Ass y for fan motor Yes Check resistanc...

Page 43: ...hange the shift temperature in heating mode I Set the indoor unit address J Change the period of the filter timer A Set service check switches The service check switch RCU CK is located on the back of...

Page 44: ...on the remote controller b Press the ON OFF operation button to start the test run c Press the MODE button to select either COOLING or HEATING mode d When the test run starts TEST shows on the remote...

Page 45: ...ote controller press both TEST CHK and CL buttons at the same time for more than 4 seconds b The UNIT No the address and temperature of the sensors instead of its usual information will flash on the d...

Page 46: ...lay to previous mode To reset the display press TEST CHK button then the remote controller will return to previous mode D Find out about past service problems The remote controller can memorize the ma...

Page 47: ...ccurrence from oldest to most recent P01 P02 P04 and most recently E01 then the display will be shown as below when you press button four times The 5th time you press button you can repeat the display...

Page 48: ...ler has a self diagnostic function to check if it works properly Use this procedure to find out if the remote controller itself is in trouble a Turn ON the RCU CK switch on the back of the P C B Ass y...

Page 49: ...e auto address operation with UNIT button d Press the SET button The auto address operation will start CODE No changes from flashing to ON state e If an error occurs during operation the alarm message...

Page 50: ...ant to change with the UNIT up or FLAP down buttons c Press the SET button to confirm the R C No The smallest registered indoor No and the selected R C No will be displayed Ex R C No 3 is selected Ind...

Page 51: ...ON state g If you made a mistake press the CL button h Finally press the TEST CHK button i If you want to change the indoor unit address of the other R C No follow the step a to h in the same way SET...

Page 52: ...on for more than 4 seconds b In case of group control if you want to change all units in group control collectively proceed next step remaining ALL displayed If you want to change a unit individually...

Page 53: ...mporarily 2 In case of remote controllerless system remote controller should be connected with the indoor unit temporarily a Short the two terminals of DISP PIN on indoor unit PCB DISP PIN Refer to P...

Page 54: ...o 13 to set the indoor unit No with the SET TEMP button g Set the indoor unit No which you want to set with the button Ex Indoor unit No 4 will be set In this example indoor unit address UNIT No will...

Page 55: ...hat setting returns to the initial state m Press the TEST CHK button to finish this mode The display is disappeared n Confirm the indoor unit address UNIT No with the UNIT button after pressing the ON...

Page 56: ...d next step remaining ALL displayed If you want to change a unit individually select the indoor unit address UNIT No with UNIT button c Select the CODE No 02 with SET TEMP button d Change the No from...

Page 57: ...sulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate fig 2 Note that the ground line terminal should be skipped for the check 6 1 4 Mea...

Page 58: ...then place a probe on the capacitor terminals as shown in fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is go...

Page 59: ...eat exch coil sensor TH6 C1 TH7 C2 3 Compressor discharge gas temp sensor TH8 PTC 51H PBC 41E PB3M 41E Resistance k 10 15 20 25 30 35 40 10 9 8 7 6 5 4 3 2 1 Temperature C 0374_M_I 20 15 10 5 0 5 10 1...

Page 60: ...N71 YEL T10 External input and output terminal CN34 GRN DISCHARGE CN83 WHT FMI CN79 RED HU1 CN85 BLU DPH CN76 BLK OP1 CN78 BLU DP CN84 WHT RN3 CN81 GRY T20 CN80 RED 26H D80 RED Power lamp CR X253GH CN...

Page 61: ...R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728...

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