Related Manuals for LG TN-C090BT00
Summary of Contents for LG TN-C090BT00
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Page 1: Service Manual
Ducted Split Air Conditioner SERVICE MANUAL MODELS: TN-C090BT00 TN-C120BT00 TN-C180BT00 TN-C240BT00... -
Page 2: Table Of Contents
Contents Model Number Nomenc lature ....................2 General Data ..........................3 Dimensions ..........................5 Wiring Dia gram ........................6 Troub leshooting Guide ......................7 Features of Contr oller ......................18 Exploded View and Replacement Parts List ..............23 Model Number Nomenc lature C 0 9 0 B T 0 0 Development Sequence Model Type A(0): Gold Fin... -
Page 3: General Data
General Data List of Functions Features Model No. TN-C090BT00 TN-C120BT00 Cooling & Fan Operation Auto Restart Operation Wired Remote Control Group Control Child Lock Function Self Diagnosis Function Weekly Program Time Delay Relay Two Thermistor Control Central Control Zone Control... - Page 4 General Data Model No. TN-C180BT00 TN-C240BT00 Features Cooling & Fan Operation Wired Remote Control d l i Time Delay safety Two Thermistor Control Central Control Zone Control Energy Saving Gold Fin Option Option Electric Heater Fire Alarm Function Electronic Thermostat c t i High Pressure Switch Phase Protection...
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Page 5: Dimensions
General Data Nominal RT (RT) Models TN-C090BT00 TN-C120BT00 Btu/h 90,600 122,094 Gross Cooling Capacity kcal/h(W) 22,836 26,553 30,774 35,784 Capacity Btu/h 88,000 118,000 Net Cooling Capacity kcal/h(W) 22,180(25,791) 29,742(34,583) Power Supply V,PH,Hz 220-240 ,3,60 220-240 ,3,60 M.C.A(with standard Electrical Data... - Page 6 General Data Nominal RT (RT) Models TN-C180BT00 TN-C240BT00 53.54 70.41 Gross Cooling Capacity Btu/h 182 700 240 239 52.75 67.41 Capacity Net Cooling Capacity Btu/h 180 000 230 000 Net Heating Capacity Btu/h Power Supply Ø / V / Hz 3/220 240/60 3/220 240/60...
- Page 7 Dimensions Model No.: TN-C120BT00 Model No.: TN-C120BT00...
- Page 8 Dimensions Model No.: TN-C180BT00 1. Indoor units 2. Oudoor units Note: All dimensions are in mm...
- Page 9 Dimensions Model No.: TN-C240BT00 1. Indoor units 2. Oudoor units Note: All dimensions are in mm...
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Page 10: Wiring Dia Gram
Wiring Diagrams Model No.:TN-C090BT00 Notes: Model No.:TN-C120BT00 Notes:... - Page 11 Wiring Diagrams Model No.:TN-C180BT00...
- Page 12 Wiring Diagrams Model No.:TN-C240 T00...
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Page 13: Troubleshooting Guide
Troubleshooting Guide In general, possible trouble is classified in two causes. The one is called Starting Failure which is caused from an electrical defect, and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but ineffective cooling Ineffective Cooling Check of cold air cir-... - Page 14 Troubleshooting Guide Fails to Start Check power source. Check of circuit breaker and fuse. Check control switch Check control switch. setting. Compressor only fails to Fan only fails to start. start. Improper wiring. Drop of power voltage. Loose terminal connection. Defect of fan motor Improper wiring capacitor.
- Page 15 Troubleshooting Guide VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 380 - 415 V 342 V 456 V 1. No cooling and heating operation performed 1) Both the blower and the compressor do not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Other parts except the Electric supply interrupted...
- Page 16 Troubleshooting Guide 3) Only outdoor fan does not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Motor Over-heated Check how it is insulated. Repair or replace it. Wire short Electric Wiring Cut off of wiring Check it with a tester. Rewiring or repair.
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Page 17: The Units Discontinue After The Operation Started
Troubleshooting Guide 2. The Units discontinue after the operation started WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Wash it by means of Coil is dirty *1 Checking Outdoor coil something like chemical washing. Extract air by vacuum Air intruded into the In the event that In-condensable gas pump, then replenish... -
Page 18: The Unit Is Working, But Not Cooling And Heating Sufficiently
Troubleshooting Guide 3. The unit is working, but not cooling and heating sufficiently (Both blower and compressor are working) WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Load Much Cooling or Heating Heat load increased. Do necessary disposal Window or door has many load respectively. -
Page 19: Electronic Parts Troubleshooting Guide
Electronic parts Troubleshooting Guide Possible trouble 1 : The unit does not operate. 1. Check the Fuse. Is the input voltage of 2. Check the wiring of AC220V. transformer AC220V? Is the output voltage of 1. Exchange the transformer. transformer AC24V & AC13V? 2. - Page 20 Electronic parts Troubleshooting Guide Possible trouble 3 : Key input of remote-controller does not respond. 1. Check or repair Connector wiring. Is the connection between MAIN PCB and remote-controller 2. Exchange the Connector. correct? 1. Replace the pressed key. Is any key on the remote-controller 2.
- Page 21 Electronic parts Troubleshooting Guide Possible trouble 5 : No cooling operation performed. Is the unit operating? 1. Press power ON/OFF button. 1. Press cooling operation key. Is the cooling mode? 2. After reenergizing power supply, press power "ON/OFF" button. 1. Set flowing. Set Temp.
- Page 22 Electronic parts Troubleshooting Guide Possible trouble 7 : No humidifier operation performed. 1. Press cooling or fan operation Is the indoor fan operation? or heater operation key. Is the HUMID LCD "ON"? 1. Press humidifier Key. Is the output 1. Check or exchange IC02D voltage of Micom's 3PIN on on the MAIN PCB.
- Page 23 Electronic parts Troubleshooting Guide Possible trouble 8 : Indoor motor does not operate. 1. Press power ON/OFF button. Is the unit operating? 2. Reconnect the power supply. Is the output voltage of Micom's 10PIN on 1. Check or exchange IC01D, the MAIN PCB 5V? IC02D on the main PCB.
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Page 24: Features Of Controller
Features of Controller 1. Main Controller Circuit Diagram... - Page 25 2. Feature of Main Controller Model No.:TN-C0 0BT00 TN-C120BT00...
- Page 26 Model No.:TN-C 0BT00 TN-C 0BT00...
- Page 27 3. Feature of Remote-Controller PCB ASS'Y 4. Feature of Remote-Controller LCD...
- Page 28 5. Error Mode & Corrective Method Cause of error Sensing condition of error Method of SVC Error mode Remark OPEN/SHORT of Room Voltage of sensing: Over 4.8V 1. Check the voltage of "CO1H" temp.(25 C) on the remote controller. CH01 room temp.
- Page 29 9. Explanation of principal function Flow Chart START(Power supply) 1. Initialize "micom". 2. A/D convert. 3. Main PCB: Waiting cooling operation. 4. Remote controller: Waiting input. Dehumidification Mode? Power ON? Dehumidification operating Cooling Mode? Stop condition? Go to A Set Temp. < Indoor Temp. Time delay mode Cooling operating Stop condition?
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Page 30: Exploded View And Replacement Parts List
Exploded View and Replacement Parts List 1. Indoor Unit Exploded View 437210 135515 137211 137213 152302 359012 336610 354210 W4400 352118 346811 352114 330870 263230-1 267110 263230-2 130411 263230-3 268711 249951... - Page 31 Exploded View and Replacement Parts List 135515 137211 137213 152302 336610 354210 W4400 346810 352118 330870 352114 263230-1 267110 263230-2 130411 268711C 249951...
- Page 32 Exploded View and Replacement Parts List 2. Outdoor Unit Exploded View 435311 559010 549610 346811 330870 W4811 554030-1 554030-2 554030-3 237204-1 554030-4 649950 548490 268711 237204-2 554160 552203-2 552203-1...
- Page 33 Exploded View and Replacement Parts List 559010 346811 554030B 268711 566001 554030A 554160A...
- Page 34 Exploded View and Replacement Parts List 559010 554030B 346811 268711 554030A 566001 554160A...
- Page 35 Memo...
- Page 36 Memo...
- Page 37 JULY, 2007 P/No.: 3828A25001C Printed in CHINA...