Model Number Nomenclature Table of contents Model Number Nomenclature ..........................2 General Data ................................3 Performance Data ..............................6 Electrical Requirements ............................16 Dimensions ................................18 Wiring Diagram..............................24 Trouble Shooting Guide ............................33 Electric Parts Trouble Shooting Guide ......................37 Feature of Controller............................
General Data Table-1 COOLING ONLY Nominal ton (Ton) Models LK-0580CC LK-0880CH LK-1080CH Electrical Data ARI Net Cooling Capacity (BTU/hr) 54,500 78,000 106,000 15,972 22,859 31,065 (Kcal/h ) 13,735 19,657 26,714 Voltage (V,PH) 380/415V,3PH M.C.A(with standard motor) Cooling (Amps) 12.5 Power Input Cooling (Watt) 5,700...
Table-2 COOLING ONLY Nominal ton (Ton) Models LK-1580CH LK-2080CH Electrical Data ARI Net Cooling Capacity (BTU/hr) 159,000 224,000 46,598 65,648 (Kcal/h ) 40,071 56,452 Voltage (V,PH) 380/415V, 3PH M.C.A(with standard motor) Cooling (Amps) 41.9 53.8 Power Input Cooling (Watt) 17,200 24,800 Performance Air Circulation...
• Fan motor heat = 2 x BkW • Test Condition: Voltage : 380V Operating Mode: Fan operation mode with clean filter, dry coil, without electric heater. Table-2 Supply Fan Performance LK-0580HC/0580CC (English) High Speed Mid Speed Low Speed 0.85 1,700 0.30...
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Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq 1600 0.03 0.76 0.02 0.51 0.02 0.51 0.03 0.76 LK-0580HC 2000 0.05 1.27 0.03 0.76 0.04 1.02 0.06 1.52...
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Table-17 Air Temperature Rise Across Electric Heater(°F) LK-0580HC/0580CC LK-0880HH/0880CH LK-1080HH/1080CH LK-1580CH/1580HH LK-2080B0CC Capacity Stage (2000CFM) (2600CFM) (3400CFM) (5300CFM) (8000CFM) 10.9 14.3 10KW 15.8 18KW 21.9 28.5 10.7 36KW 32.7 42.9 21.5 14.2 (KW x 3413) • Temp. Rise across Electric Heater = (1.08 x CFM)
Table-18 Electrical Data Unit wiring Oversized indoor fan motor Unit Operating Standard indoor fan motor Tons MODEL Voltage Range M.C.A. M.F.S. M.C.B M.C.A. M.F.S. M.C.B LK-0580HC 12.5 342~456 LK-0580CC 12.5 LK-0880HH 342~456 LK-0880CH LK-1080HH 342~456 LK-1080CH LK-1580HH 40.6 342-456 LK-1580CH 41.9...
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Table-20 Electrical characteristics --- Evaporator Fan Motor --- 50 Hz Standard evaporator fan motor Oversized evaporator fan motor MODEL volts Phase volts Phase LK-0580HC 380~415 0.75 LK-0580CC LK-0880HH 380~415 380~415 10.8 LK-0880CH LK-1080HH 380~415 10.8 LK-1080CH LK-1580HH 380~415 380~415 LK-1580CH...
Dimensions LK-0580CC/0580HC Unit: inch(mm) UNITS LK-0580CC/0580HC CLEARANCE 34" 41.93(1065) CLEARANCE 16"(HORIZONTAL) CLEARANCE 32"(DOWNFLOW) 43.70(1110) 50.39(1280) 29.49(749) CLEARANCE 34" 9.65(245) 2.36(60) Center Line of Hole 2.76(70) 1" Dia. Hole Control Wires 1.5" Dia. Hole Power Wires 1.5" Dia. Hole Other Purpose CLEARANCE 46"...
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LK-0880CH/0880HH Unit: inch(mm) UNITS LK-0880CH/0880HH CLEARANCE 34" 35.04(890) CLEARANCE 16" 46.93(1159) 85.43(2170) 10.43(265) 2.76(70) CLEARANCE 34" 2.36(60) D L E Center Line of Hole 3.54(90) 1.5" Dia. Hole Other Purpose 1.5" Dia. Hole Power Wires 1" Dia. Hole Control Wires CLEARANCE 46"...
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LK-1080CH/1080HH Unit: inch(mm) UNITS LK-1080CH/1080HH CLEARANCE 34" 41.34(1050) CLEARANCE 16"(HORIZONTAL) 48.89(1242) 85.43(2170) 55.0(1397) 6.10(155) CLEARANCE 34" Center Line of Hole 8.46(215) 10.43(265) 1" Dia. Hole Control Wires 1.5" Dia. Hole Power Wires 1.5" Dia. Hole Other Purpose CLEARANCE 46" Unit: inch(mm) UNITS LK-1080CH/1080HH 16.06(408)
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LK-1580CH/1580HH Unit: inch(mm) CLEARANCE 34" UNITS LK-1580CH/1580HH CLEARANCE 16"(HORIZONTAL) 47.44(1205) 69.53(1766) 95.98(2438) 63.11(1603) CLEARANCE 34" 6.29(160) Center Line of Hole 8.66(220) 11.02(280) 1" Dia. Hole Control Wires 1.5" Dia. Hole Power Wires 1.5" Dia. Hole Other Purpose CLEARANCE 46" Unit: inch(mm) UNITS LK-1580CH/1580HH 24.53(623)
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LK-2080CH Unit: inch(mm) UNITS LK-2080CH CLEARANCE 34" CLEARANCE 16"(HORIZONTAL) 65.35(1660) 74.02(1880) 109.21(2774) 69.69(1770) CLEARANCE 34" 7.68(195) Center Line of Hole 11.89(302) 2" Dia. Hole Power Wires 1.5" Dia. Hole Other Purpose(3EA) CLEARANCE 46" Unit: inch(mm) UNITS LK-2080CH 25.57(649.5) 15.28(388) 27.34(694.5) 2.40(61) 6.10(155) 57.09(1450)
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(MANUAL) Weights Maximum Unit and Corner Weights (Lbs) and Center of Gravity Dimensions (In.) Maximum Weights (lbs) Corner Weights (lbs) Center of Gravity (In.) Unit Tons Model No. Shipping LK-0580HC LK-0580CC LK-0880HH LK-0880CH LK-1080HH LK-1080CH LK-1580CH 1,410 1,168 LK-1580HH LK-2080CH...
Wiring Diagram LK-0580HC TERMINAL USING ELECTRIC BLOCK 4WIRE HEATER(OPTION) 380/415V 4WIRE 50Hz 380/415V POWER FIRE ALARM 50Hz SUPPLY POWER SUPPLY TERMINAL HUMIDIFIER REMOVE JUMP WIRE WHEN BLOCK CONNECTING FIRE ALARM SYSTEM FUSE CANNOT BE USED WHEN USING THERMOSTAT (5A 250V)
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LK-0580CC TERMINAL USING ELECTRIC BLOCK 4WIRE HEATER(OPTION) 380/415V 4WIRE 50Hz 380/415V POWER FIRE ALARM 50Hz SUPPLY POWER SUPPLY TERMINAL HUMIDIFIER REMOVE JUMP WIRE WHEN BLOCK CONNECTING FIRE ALARM SYSTEM FUSE CANNOT BE USED WHEN USING THERMOSTAT (5A 250V) 4WIRE FUSE FILLER 380/ (5A 250V)
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LK-0880HH WIRING DIAGRAM TERMINAL 3Ø BLOCK USING ELECRIC 4WIRE 3Ø HEATER(OPTION) 380-415V 4WIRE 50Hz 380-415V POWER 50Hz FIRE ALARM SUPPLY POWER SUPPLY HUMIDIFIER TERMINAL REMOVE JUMP WIRE WHEN BLCOK CONNECTING FIRE ALARM SYSTEM FUSE CANNOT BE USED WHEN 3Ø ( 5A 250V ) USING THERMISTAT 4WIRE FUSE...
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LK-0880CH WIRING DIAGRAM TERMINAL 3ø USING ELECTRIC BLOCK 4WIRE 3ø HEATER(OPTION) 380-415V 4WIRE 50Hz 380-415V POWER 50Hz FIRE ALARM SUPPLY POWER SUPPLY HIMIDIFIER TERMINAL REMOVE JUMP WIRE WHEN BLOCK CONNECTING FIRE ALARM SYSTEM FUSE CANNOT BE USED WHEN (5A 250V) USING THERMOSTAT FUSE FILLER...
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LK-1080HH WIRING DIAGRAM TERMINAL USING ELECTRIC BLOCK 3ø 3ø HEATER(OPTION) 4WIRE 4WIRE 380/415V 380/415V 50Hz 50Hz POWER POWER SUPPLY SUPPLY TERMINAL HUMIDIFIER BLOCK FIRE ALARM CANNOT BE USED WHEN 3ø REMOVE JUMP WIRE WHEN USING THERMOSTAT 4WIRE CONNECTING FIRE ALARM 380/ SYSTEM TERMINAL...
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LK-1080CH WIRING DIAGRAM TERMINAL USING ELECTRIC BLOCK 3ø 3ø HEATER(OPTION) 4WIRE 4WIRE 380/415V 380/415V 50Hz 50Hz POWER POWER SUPPLY SUPPLY HUMIDIFIER TERMINAL BLOCK FIRE ALARM CANNOT BE USED WHEN 3ø REMOVE JUMP WIRE WHEN USING THERMOSTAT 4WIRE CONNECTING FIRE ALARM 380/ SYSTEM TERMINAL...
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LK-1580HH WIRING DIAGRAM TERMINAL BLOCK USING ELECTRIC 3Ø N 3Ø 4WIRE HEATER(OPTION) 4WIRE 380/415V 380/415V 50Hz 50Hz POWER POWER SUPPLY SUPPLY TERMINAL HUMIDIFIER FIRE ALARM BLOCK REMOVE JUMP WIRE WHEN CONNECTING FIRE ALARM 3Ø SYSTEM CANNOT BE USED WHEN 4WIRE 380/ USING THERMOSTAT TERMINAL BLOCK1...
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LK-1580CH WIRING DIAGRAM TERMINAL 3Ø BLOCK USING ELECTRIC N 3Ø 4WIRE HEATER(OPTION) 380/415V 4WIRE 380/415V 50Hz 50Hz POWER POWER SUPPLY SUPPLY TERMINAL HUMIDIFIER FIRE ALARM BLOCK REMOVE JUMP WIRE WHEN CONNECTING FIRE ALARM 3Ø SYSTEM 4WIRE CANNOT BE USED WHEN USING THERMOSTAT 380/ TERMINAL BLOCK1...
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LK-2080CH WIRING DIAGRAM TERMINAL BLOCK 3Ø USING ELECTRIC N 3Ø 4WIRE HEATER(OPTION) 4WIRE 380/415V 380/415V 50Hz POWER 50Hz SUPPLY POWER SUPPLY TERMINAL HUMIDIFIER FIRE ALARM BLOCK REMOVE JUMP WIRE WHEN CONNECTING FIRE ALARM 3Ø CANNOT BE USED WHEN SYSTEM 4WIRE USING THERMOSTAT 380/ TERMINAL BLOCK1...
Troubleshooting Guide PACKAGE AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 380 - 415V 342V 456V 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 •...
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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.
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 In-condensable gas Air intruded into the In the event that pump, then replenish blended.
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.
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.
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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.
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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 following. Set Temp. < Room Temp.? 'Set Temp.
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Possible trouble 6 : No heater operation performed. Is the heater operation? 1. Select heater operation mode. 1. Reconnecting power supply. Is the heater LCD "ON"? Press Heater Key. 1. Set following. Set temp. > Room temp.? 'Set temp. > Room temp.' Is the output voltage of IC02D on the 1.
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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 voltage of IC02D on the 1.
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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 IC02M's 14PIN on 1. Check or exchange IC01M. the MAIN PCB 0V? Is the voltage between 1PIN(IN) of CN-FAN(IN) and 1.
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Possible trouble 10 : No heating operation performed. Is the unit operating? 1. Press power ON/OFF button. 1. Press heating operation key. Is the heating mode? 2. After reenergizing power supply, press power "ON/OFF" button. 1. Set following. Set Temp. > Room Temp.? 'Set Temp.
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Possible trouble 11 : No heater operation performed. Is the heater operation? 1. Select heater operation mode. 1. Reconnecting power supply. Is the heater LCD "ON"? Press Heater Key. 1. Set following. Set temp. > Room temp.? 'Set temp. > Room temp.' Is the output voltage of IC02D on the 1.
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3. Feature of Remote-Controller PCB ASS'Y 4. Feature of Remote-Controller LCD — 47 —...
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5. Error Mode & Corrective Method Cause of error Sensing condition of error Method of SVC Error mode Remark Room OPEN/SHORT of Voltage of sensing: Over 4.8V 1. Check the voltage of "CO1H" temp.(25°C) on the remote controller. room temp. Voltage of sensing: Less than = DC 2.5V 2.
Exploded View and Replacement Parts List 1. LK-0580HC/0580CC • Exploded View — 50 —...
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• Replacement Parts List PART NAME PART NO. LK-0580HC LK-0580CC REMARKS BASE FRAME-FRONT 3210A20020A BASE FRAME-REAR 3210A20020B BASE FRAME-LEFT 3210A20021A BASE FRAME-RIGHT 3210A20021B BASE SINGLE-COMP 3040A10029B BASE SINGLE-BLOWER 3040A20015A BARRIER SINGLE 4790A20021A ANGLE-FRONT 3000A20005A ANGLE-REAR 3000A20005B BRACKET 4810A30069A COVER DUCT-RETURN...
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PART NAME PART NO. LK-0580HC LK-0580CC REMARKS BUSHING 4830A30002A BUSHING 4830A30002D MESH, FIN COVER 3546A20002S PANEL SIDE-R 3720A20087F SUPPORTER REAR 4980A20020F SUPPORTER FRONT 4980A20019B PANEL SIDE-L 3720A20086B FLANGE ASSY, RETURN 4341A20002B FLANGE ASSY, SUPPLY 4341A20001B BRACKET REAR 4810A20018F 4995A10015A CONTROL BOX ASSY...
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• Replacement Parts List PART NAME PART NO. LK-0880HH LK-0880CH REMARKS FRAME BASE-R 3210A20001B FRAME BASE-L 3210A20002A FRAME BASE-R 3210A20002B BASE RIGHT ASSY 3041A20004A BUSHING 4830AG4043A BUSHING 4830AG4043B BASE MIDDLE ASSY 3041A20005A BASE LEFT 3040A20001A BARRIER HEATER 4790A20008A COVER, HEATER 3550A30017A SUPPORTER HEATER 4980A30012B...
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PART NAME PART NO. LK-0880HH LK-0880CH REMARKS EVAPORATOR ASSY 5421A20025C 2R*26C*L1070 BRACKET EVA. 4810A30041B TUBE ASSY, MANIFOLD 5211A20179A 3H01535V ID 1.2*L1100 TUBE CAPILLARY 5210A30040P ID 1.4*L1100 TUBE DISTRIBUTOR 3A00929C TUBE CONNECTOR 5210AP4026A THERMISTOR ASSY 6323AQ2333 BRACKET 4810A20005A BRACKET 4810A20004A GUIDE FILTER 4974A20003A GUIDE FILTER 4974A30014A...
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PART NAME PART NO. LK-0880HH LK-0880CH REMARKS 4681A20026D 950RPM/0.5Hp MOTOR ASSY, OUTDOOR 4681A20019C 950RPM/0.5Hp BUSHING 4A00077A 5901A20004A FAN ASSY 1A00284A GRILLE ASSY 2A00144 PANEL FRONT-R ASSY 3721A20017A PANEL FRONT-M ASSY 3721A20017B PANEL FRONT-L ASSY 3721A20017C HANDLE 3E37352A COVER SIDE ASSY 3551A30011A COVER TOP-M ASSY 3551A20008A...
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• Replacement Parts List PART NAME PART NO. LK-1080HH LK-1080CH REMARKS FRAME BASE-R 3210A20005B FRAME BASE-L 3210A20005A FRAME BASE-R 3210A20006B FRAME BASE-F 3210A20006A BASE SINGLE (PAN-R) 3040A10011A BASE SINGLE (PAN-M) 3040A10010A BASE SINGLE (PAN-L) 3040A10009A BARRIER SINGLE LEFT 4790A10005A BUSHING 4830AG4043B BARRIER SINGLE RIGHT 4790A10006A...
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PART NAME PART NO. LK-1080HH LK-1080CH REMARKS HOLDER MOTOR 4930A30005A KEY ASSY 4A00128A SHAFT 4370A30002A PULLEY ASSY 4561A30002B V-BELT 4400A30002G REC-54B BLOWER ASSY 5835A20003A A:D380*L280 CUT OFF 3087A30003A MOTOR ASSY INDOOR 4681A20025C 3ø, 3Hp BRACKET ASSY 4811A10003A BOLT 1BZZA30004B SUPPORTER EVA. 4980A30011B PULLEY ASSY 3A00217R...
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PART NAME PART NO. LK-1080HH LK-1080CH REMARKS TERMINAL BLOCK 3H00390A CAPACITOR(20µF,450VAC) 0CZZA20001E for OUTDOOR MOTOR CLAMP CAPACITOR 4H00442F RELAY(FOR OUTDOOR MOTOR) 6920AP3400A PANEL ASSY SIDE-R 3721A20028A PANEL ASSY REAR 3721A20029A PANEL ASSY SIDE 3721A20030A PANEL REAR-R 3720A20048B ANGLE 3000A20001B ANGLE 3000A20001D ANGLE 3000A20002B...
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• Replacement Parts List PART NAME PART NO. LK-1580HH LK-1580CH REMARKS FRAME BASE-F 3210A10003A FRAME BASE-R 3210A10003B FRAME BASE-S 3210A20010A FRAME BASE-S 3210A20010B FRAME BASE-M 3210A20011A FRAME BASE-M 3210A20011B BASE SINGLE (PAN-R) 3040A10021A BASE SINGLE (PAN-M) 3040A10020A BASE SINGLE (PAN-L) 3040A10019A BARRIER SINGLE LEFT 4790A10012A...
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PART NAME PART NO. LK-1580HH LK-1580CH REMARKS BRACKET HOUSING 4810A30060B HOLDER MOTOR 4930A30005B KEY ASSY 4A00128A SHAFT 4370A30002B PULLEY ASSY 4561A30002A V-BELT 4400A30002G REC-54B BLOWER ASSY 5835A20003B D380*L380 MOTOR ASSY INDOOR 4681A20025D BRACKET ASSY 4811A10003A BOLT 1BZZA30004C SUPPORTER EVA. 4980A30011C PULLEY ASSY 3A00217R VARIABLE...
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PART NAME PART NO. LK-1580HH LK-1580CH REMARKS TERMINAL BLOCK 3H00390A CAPACITOR(20µF,450VAC) 0CZZA20001E for OUTDOOR MOTOR CLAMP CAPACITOR 4H00442F RELAY(FOR OUTDOOR MOTOR) 6920AP3400A PANEL CONTROL 3720A30034A PANEL ASSY SIDE-R 3721A20028C PANEL ASSY REAR 3721A20029C PANEL ASSY SIDE 3721A20030C ANGLE 3000A20001H ANGLE 3000A20002H SUPPORTER PANEL-L 4980A20009B...
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• Replacement Parts List PART NAME PART NO. LK-2080CH REMARKS FRAME BASE ASSY 3211A20001A FRAME BASE ASSY 3211A20001B FRAME BASE-R 3210A20014A FRAME BASE-L 3210A20014B FRAME BASE-M(R) 3210A20015A FRAME BASE-M(L) 3210A20015B BASE SINGLE 3040A10023A BASE SINGLE (PAN-M) 3040A10022A BASE SINGLE (PAN-R) 3040A10024 BARRIER SINGLE LEFT 4790A10017A...
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PART NAME PART NO. LK-2080CH REMARKS PRESSURE VALVE 3A01902B BUSHING 4830A30002F BUSHING 4830A30002B BRACKET COND 4810AP3697A COVER HEATER 3550A30040A FRAME BASE HOUSING 3210A20016B SUPPORTER HOUSING 4980A30010D BRACKET ASSY BEARING 4811A10001A SHAFT PULLEY 4370A30003B KEY ASSY 4A00128A HOUSING ASSY 3661A10005A CUT OFF 3078A30004A BLOWER ASSY 5835A20003D...
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PART NAME PART NO. LK-2080CH REMARKS TERMINAL BLOCK 3A00493D TRANS POWER 6171AQ2138E SUPPORTER ASSY 4981A20003F MAIN PCB ASSY 6871A20085E FILLER TERMINAL 4H03048J FILLER TERMINAL 4H03048H MAGNETIC CONTACT 2A01031C 220V, 50A, 220V CONTROL PANEL CONTROL-FRONT 3720A30036A/B PANEL CONTROL-SIDE 3720A20076A BUSHING 4830AG4043A BUSHING 4830AG4043D BRACKET REAR...