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SERVICE MANUALR 410A Ductless Split SystemAir Conditioner and Heat PumpMODELS: DLC4(A/H) Outdoor, DLF4(A/H) IndoorSIZES: 9K, 12K, 18K, 24K, 30K, and 36KINTRODUCTIONThis Service Manual provides the necessary information toservice, repair, and maintain the DLF4(A,H), DLC4(A/H)TABLE OF CONTENTSPAGESAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . 1SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2MODEL / SERIAL NUMBER NOMENCLATURE . . . . . . . 16STANDARD FEATURES AND ACCESSORIES . . . . . . . . 17DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22SYSTEM OPERATING ENVELOPE . . . . . . . . . . . . . . . . . . 23ELECTRICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25CONNECTION DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . 26WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27REFRIGERATION SYSTEM DIAGRAM . . . . . . . . . . . . . . . 36REFRIGERANT LINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38SYSTEM EVACUATION AND CHARGING . . . . . . . . . . . . 39CONTROL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40MODES OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 44TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47DIAGNOSTIC CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48MALFUNCTION ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . . 55APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79SAFETY CONSIDERATIONSInstalling, starting up, and servicing air conditioningequipment can be hazardous due to system pressures,electrical components, and equipment location (roofs,elevated structures, etc.).Only trained, qualified installers and service mechanicsshould install, start up, and service this equipment.Untrained personnel can perform basic maintenancefunctions such as cleaning coils. All other operations shouldbe performed by trained service personnel.When working on the equipment, observe precautions in theliterature and on tags, stickers, and labels attached to theequipment.Follow all safety codes. Wear safety glasses and workgloves. Keep quenching cloth and fire extinguisher nearbywhen brazing. Use care in handling, rigging, and settingbulky equipment.Read these instructions thoroughly and follow all warningsor cautions included in literature and attached to the unit.Consult local building codes and National Electrical Code(NEC) for special requirements. In Canada, refer to currenteditions of the Canadian Electrical Code, CSA 22.1.Recognize safety information. This is the safety alertsymbol !! . When you see this symbol on the unit and ininstructions or manuals, be alert to the potential for ARNING, and CAUTION. These words are used with thesafety alert symbol. DANGER identifies the most serioushazards which will result in severe personal injury or death.WARNING signifies hazards which could result in personalinjury or death. CAUTION is used to identify unsafepractices which may result in minor personal injury orproduct and property damage. NOTE is used to highlightsuggestions which will result in enhanced installation,reliability, or operation.WARNING!ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Before installing, modifying, or servicing system, mainelectrical disconnect switch must be in the OFFposition. There may be more than 1 disconnect switch.Lock out and tag switch with a suitable warning label.!CAUTIONEQUIPMENT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Do not bury more than 36 in. (914 mm) of refrigerantpipe in the ground. If any section of pipe is buried, theremust be a 6 in. (152 mm) vertical rise to the valveconnections on the outdoor units. If more than therecommended length is buried, refrigerant may migrateto the cooler buried section during extended periods ofsystem shutdown. This causes refrigerant slugging andcould possibly damage the compressor at start up.421 01 9204 00 1/03/13

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONSModel Indoor UnitFunctionRated VoltageFrequency(Inverter differentCompressor speed)Total Capacity(Inverter differentCompressor speed)Power Input(Inverter differentCompressor speed)Rated InputRated 41153100 / 106002650 / 90001300 / eating115V7063414415153100 / 106003250 / 111002650 / 90002820 / 95001300 / 4435930 / .00.38Cross Flow Fanf3.6x25.4Aluminum Fin Copper Tubef0.32 0.060.814.222 / 38Cross Flow Fanf3.6x25.4Aluminum Fin Copper Tubef0.32 0.06Inch25.4 x 10.5 x 125.4 x 10.5 x 1WAdB (A)dB (A)dB (A)dB (A)dB (A)dB (A)InchInchInchMP24AA2.43.1534302644403633 x 11 x 736 x 14 x 1029 / 38MP24AA2.43.1534302644403633 x 11 x 736 x 14 x 1029 / 38HzHzHzW/BtuhW/BtuhW/BtuhWWWWWAACFMAir VolumeDehumidifying VolumeEER / C.O.PSEER / HSPFIndoor UnitI/hSpeedFan MotorFanEvaporatorSwing MotorSHHMLOutputCapacitorRLATypeDiameter LengthPipe DiameterRow Fin GapCoil length (I) x height(H) x coil width (L)ModelOutputFuseSound Pressure LevelSound Pressure LevelDimension (WxHxD)Dimension of Package (WxHxD)Net Weight / Gross Weight2HMLHMLr/minr/minr/minr/minWmFAInch421 01 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor er InputOverload ProtectorrAAWThrottling MethodStarting MethodWorking Temperature Range FCoilHeat Exchanger CoilPipe DiameterRows Fin GapCoil Length (I) x Height (H) x Width (L)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure forthe Discharge SidePermissible Excessive Operating Pressure forthe Suction SideSound Pressure LevelSound Power LevelDimensions (WxHxD)Dimensions of Package (WxHxD)Net Weight / Gross WeightName of RefrigerantRefrigerantWeightLength (m)Gas AdditionalChargeConnection PipeinchinchinchrpmWAmFFt3/minDLF4AV09J1ASanyoC 6RZ110H1ATwin Rotary334.59 / 2.81775 / 735Int11I 3979Electronic Expansion ValveThrottlingDLF4HV09J1ASanyoC 6RZ110H1ATwin Rotary334.59 / 2.81775 / 735Int11I 3979Electronic Expansion Valve ThrottlingTransducer Starting55 115Aluminum Fin CopperTubeAluminum Fin Copper Tubef0.32 0.0631.5 x 19.5 x.05900 / 650400.17/1118Axial Fan15.7/T1IIP24f0.32 0.0631.5 x 19.5 x.05900 / 650900400.17/1118Axial Fan15.7/T1IIP24Mpa3.83.8Mpa1.21.2DB (A)DB (A)inchinchLbs.Oz.Ft. 50 6333 X 21 X 12.634.5 X 22.8 X 14.296 / 110R410A4216 50 6333 X 21 X 12.634.5 X 22.8 X 14.296 / 110R410A4216Oz/ft1.16131.1613inchLiquid Pipe Diameterinchf1/4Gas Pipe Diameterinchf3/8Max. Interunit height DifferenceFt.33Max. Interunit Piping LengthFt.66* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 00Transducer Starting55 1155 24f1/4f3/833663

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONSModel Indoor UnitFunctionRated VoltageFrequency(Inverter differentCompressor speed)Total Capacity(Inverter differentCompressor speed)Power Input(Inverter differentCompressor speed)Rated InputRated 41153100 / 106002650 / 90001300 / eating115V7063414415153100 / 106003250 / 111002650 / 90002820 / 95001300 / 4435930 / .00.38Cross Flow Fanf3.6x25.4Aluminum Fin Copper Tubef0.32 0.060.814.222 / 38Cross Flow Fanf3.6x25.4Aluminum Fin Copper Tubef0.32 0.06Inch25.4 x 10.5 x 125.4 x 10.5 x 1WAdB (A)dB (A)dB (A)dB (A)dB (A)dB (A)InchInchInchMP24AA2.43.1534302644403633 x 11 x 736 x 14 x 1029 / 38MP24AA2.43.1534302644403633 x 11 x 736 x 14 x 1029 / 38HzHzHzW/BtuhW/BtuhW/BtuhWWWWWAACFMAir VolumeDehumidifying VolumeEER / C.O.PSEER / HSPFIndoor UnitI/hSpeedFan MotorFanEvaporatorSwing MotorSHHMLOutputCapacitorRLATypeDiameter LengthPipe DiameterRow Fin GapCoil length (I) x height(H) x coil width (L)ModelOutputFuseSound Pressure LevelSound Pressure LevelDimension (WxHxD)Dimension of Package (WxHxD)Net Weight / Gross Weight4HMLHMLr/minr/minr/minr/minWmFAInch421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor er InputOverload ProtectorrAAWThrottling MethodStarting MethodWorking Temperature Range FCoilHeat Exchanger CoilPipe DiameterRows Fin GapCoil Length (I) x Height (H) x Width (L)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure forthe Discharge SidePermissible Excessive Operating Pressure forthe Suction SideSound Pressure LevelSound Power LevelDimensions (WxHxD)Dimensions of Package (WxHxD)Net Weight / Gross WeightName of RefrigerantRefrigerantWeightLength (m)Gas AdditionalChargeConnection PipeinchinchinchrpmWAmFFt3/minDLC4AV12J1ASanyoC 6RZ110H1ATwin Rotary334.59 / 2.81775 / 735Int11I 3979Electronic Expansion ValveThrottlingDLC4HV12J1ASanyoC 6RZ110H1ATwin Rotary334.59 / 2.81775 / 735Int11I 3979Electronic Expansion Valve ThrottlingTransducer Starting55 115Aluminum Fin CopperTubeAluminum Fin Copper Tubef0.42 0.0630.2 x 20 x0.9900 / 680400.17/1118Axial Fan15.7/T1IIP24f0.42 0.0630.2 x 20 x0.9900 / 680900400.17/1118Axial Fan15.7Auto DefrostT1IIP24Mpa3.83.8Mpa1.21.2DB (A)DB (A)inchinchLbs.Oz.Ft. 53 6533 X 21 X 12.634.5 X 22.8 X 14.2107 / 118R410A45.516 53 6533 X 21 X 12.634.5 X 22.8 X 14.2107 / 118R410A45.516Oz/ft1.16131.1613inchLiquid Pipe Diameterinchf1/4Gas Pipe Diameterinchf3/8Max. Interunit height DifferenceFt.33Max. Interunit Piping LengthFt.66* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 00Transducer Starting55 1155 75f1/4f3/833665

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)ModelRated VoltagePowerRated FrequencySupplyPhasesPower Supply ModeCooling Capacity (Min Max)Heating Capacity (Min. Max)Cooling Power Input (Min. Max.)Heating Power Input (Min. Max.)Cooling Current InputHeating Current InputRated InputRated CurrentAir Flow Volume (S/H/M/L)Dehumidifying VolumeEERCOPSEERHSPFApplication AreaModel Indoor UnitFan TypeFan Diameter Length (DXL)Cooling Speed (S/H/M/L)Heating Speed (S/H/M/L)Fan Motor Power OutputFan Motor RLAFan Motor CapacitorEvaporator FormEvaporator Pipe DiameterEvaporator Row fin GapEvaporator Coil Length (LxDxW)Indoor UnitSwing Motor ModelSwing Motor Power OutputFuse CurrentSound Pressure Level (S/H/M/L)Sound Power Level (S/H/M/L)Dimension (WxHxD)Dimension of Carton Box(WxHxD)Dimension of Package (WxHxD)Net WeightGross Weight6WAdB (A)dB (A)inchDLC4AV12K1A208/230601Outdoor12000 (3100 13000)N/A1000 (365 16 24DLF4AH12K1ACross flowf3.6x25.41330/1100/950/750N/A200.21Aluminum Fin Copper Tubef0.272 33.3X10.8X7DLC4HV12K1A208/230601Outdoor12000 (3100 13000)13000 (2400 14000)1000 (365 1080)1000 (340 1360)4.55.2150015335/277/253/2182.9591210.8209.216 24DLF4HH12K1ACross 0.21Aluminum Fin Copper Tubef0.272 62228.736X10.1X14.62228.7V r/minWAmFWinchinchinch421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor Power InputOverload ProtectorThrottling MethodSet Temperature RangeCooling Operation Ambient Temperature RangeHeating Operation Ambient Temperature RangeFormPipe DiameterCondenserRows Fin GapCoil Length (LxDxW)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure for theDischarge SidePermissible Excessive Operating Pressure for theSuction 83.2860INT11L 6578Electronic Expansion Valve60.8 860.4 109.4N/AAluminum Fin copper Tubef0.372 0.0529.4x1.7x22680 / 900300.13N/A941.6Axial MCFV50SRotary13.83.2860INT11L 6578Electronic Expansion Valve60.8 860.4 109.4 5 75.0Aluminum Fin copper Tubef0.372 0.0529.4x1.7x22680 / 900300.13N/A941.6Axial Flow15.748Automatic DefrostingT1IIP24Mpa4.34.3Mpa2.52.5AAW F F FinchinchinchrpmWAmFCFMinchSound Pressure Level (H/M/L)DB (A)52/ / Sound Power Level (H/M/L)DB (A)62/ / Dimensions (WxHxD)inch33.4x23.2x12.6Dimensions of Carton Box (WxHxD)inch34.5x14.2x24.8Dimensions of Package (WxHxD)inch34.7x14.3x25.4Net Weight / Gross WeightLbs.88.2 / 97.02Name of ch25Gas Additional ChargeOz/ft0.53Connection PipeLiquid Pipe Outer Diameterinch1/4Gas Pipe Outer Diameterinch3/8Max. Interunit height DifferenceFt.33Max. Interunit Piping LengthFt.66* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 0052/ / 62/ / 33.4x23.2x12.634.5x14.2x24.834.7x14.3x25.488.2 / 97.02R410A45.864250.71/43/833667

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)ModelRated VoltagePowerRated FrequencySupplyPhasesPower Supply ModeCooling Capacity (Min Max)Heating Capacity (Min. Max)Cooling Power Input (Min. Max.)Heating Power Input (Min. Max.)Cooling Current InputHeating Current InputRated InputRated CurrentAir Flow Volume (S/H/M/L)Dehumidifying VolumeEERCOPSEERHSPFApplication AreaModel Indoor UnitFan TypeFan Diameter Length (DXL)Cooling Speed (S/H/M/L)Heating Speed (S/H/M/L)Fan Motor Power OutputFan Motor RLAFan Motor CapacitorEvaporator FormEvaporator Pipe DiameterEvaporator Row fin GapEvaporator Coil Length (LxDxW)Indoor UnitSwing Motor ModelSwing Motor Power OutputFuse CurrentSound Pressure Level (S/H/M/L)Sound Power Level (S/H/M/L)Dimension (WxHxD)Dimension of Carton Box(WxHxD)Dimension of Package (WxHxD)Net WeightGross Weight8WAdB (A)dB (A)inchDLC4AV18K1A208/230601Outdoor18000 (5970 22350)N/A1500 (300 18N/A27 42DLF4AH18K1ACross flowf3.86x281500/1200/1050/900N/A200.321.5Aluminum Fin Copper Tubef0.272 1.7X7.9DLC4HV18K1A208/230601Outdoor18000 (5970 22350)19800 (4100 22000)1500 (300 2650)1650 (335 027 42DLF4HH18K1ACross 00.321.5Aluminum Fin Copper Tubef0.272 7X11.2X1528.66537.48539.7X11.2X1528.66537.485V r/minWAmFWinchinchinch421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor Power InputOverload ProtectorThrottling MethodSet Temperature RangeCooling Operation Ambient Temperature RangeHeating Operation Ambient Temperature RangeFormPipe DiameterCondenserRows Fin GapCoil Length (LxDxW)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure for theDischarge SidePermissible Excessive Operating Pressure for theSuction SideDLC4AV18K1AMitsubishiSNB130FGAMCFV50S PVERotary13.84.11200INT11L 6578Electronic Expansion Valve61 8614 109.0N/AAluminum Fin copper Tubef0.372 0.0533x1.5x26800600.28N/A1883.2Axial MCFV50S PVERotary13.84.11200INT11L 6578Electronic Expansion Valve61 8614 109.019.4 75.0Aluminum Fin copper Tubef0.372 0.0533x1.5x26800600.28N/A1883.2Axial Flow20.472Automatic DefrostingT1IIP24Mpa4.34.3Mpa2.52.5AAW F F FinchinchinchrpmWAmFCFMinchSound Pressure Level (H/M/L)DB (A)55/ / Sound Power Level (H/M/L)DB (A)65/ / Dimensions (WxHxD)inch37.6x27.6x15.6Dimensions of Carton Box (WxHxD)inch40.4x18x29Dimensions of Package (WxHxD)inch40.5x18x29.5Net Weight / Gross WeightLbs.99.225 / 110.25Name of ch25Gas Additional ChargeOz/ft0.2Connection PipeLiquid Pipe Outer Diameterinch1/4Gas Pipe Outer Diameterinch1/2Max. Interunit height DifferenceFt.33Max. Interunit Piping LengthFt.82* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 0055/ / 65/ / 37.6x27.6x15.640.4x18x2940.5x18x29.599.225 / 110.25R410A49.392250.21/41/233829

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)ModelRated VoltagePowerRated FrequencySupplyPhasesPower Supply ModeCooling Capacity (Min Max)Heating Capacity (Min. Max)Cooling Power Input (Min. Max.)Heating Power Input (Min. Max.)Cooling Current InputHeating Current InputRated InputRated CurrentAir Flow Volume (S/H/M/L)Dehumidifying VolumeEERCOPSEERHSPFApplication AreaModel Indoor UnitFan TypeFan Diameter Length (DXL)Cooling Speed (S/H/M/L)Heating Speed (S/H/M/L)Fan Motor Power OutputFan Motor RLAFan Motor CapacitorEvaporator FormEvaporator Pipe DiameterEvaporator Row fin GapEvaporator Coil Length (LxDxW)Indoor UnitSwing Motor ModelSwing Motor Power OutputFuse CurrentSound Pressure Level (S/H/M/L)Sound Power Level (S/H/M/L)Dimension (WxHxD)Dimension of Carton Box(WxHxD)Dimension of Package (WxHxD)Net WeightGross Weight10WAdB (A)dB (A)inchDLC4AV24K1A208/230601Outdoor21400 (9600 25000)N/A1780 (500 A18N/A27 42DLF4AH24K1ACross m Fin Copper Tubef0.272 X12.4X8.6DLC4HV24K1A208/230601Outdoor21400 (9600 25000)23000 (4300 26000)1780 (500 2650)2100 (400 95181027 42DLF4HH24K1ACross 00.24N/AAluminum Fin Copper Tubef0.272 2.4X15.7X12.935.2846.30542.4X15.7X12.935.2846.305V r/minWAmFWinchinchinch421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor Power InputOverload ProtectorThrottling MethodSet Temperature RangeCooling Operation Ambient Temperature RangeHeating Operation Ambient Temperature RangeFormPipe DiameterCondenserRows Fin GapCoil Length (LxDxW)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure for theDischarge SidePermissible Excessive Operating Pressure for theSuction SideDLC4AV24K1AMitsubishiSNB150FGAMCFV50S PVERotary18.54.91420INT11L 6578Electronic Expansion Valve61 865 109.0N/AAluminum Fin copper Tubef0.272 0.0538x1.5x29800901.142354Axial MCFV50S PVERotary18.54.91420INT11L 6578Electronic Expansion Valve61 865 109.019.4 75.0Aluminum Fin copper Tubef0.272 0.0538x1.5x29800901.142354Axial Flow21.732N/AT1IIP24Mpa4.34.3Mpa2.52.5AAW F F FinchinchinchrpmWAmFCFMinchSound Pressure Level (H/M/L)DB (A)56/ / Sound Power Level (H/M/L)DB (A)66/ / Dimensions (WxHxD)inch38.6x31.1x16.8Dimensions of Carton Box (WxHxD)inch42.5x19x33Dimensions of Package (WxHxD)inch42.6x19x33.7Net Weight / Gross WeightLbs.119 / 132Name of ch25Gas Additional ChargeOz/ft0.2Connection PipeLiquid Pipe Outer Diameterinch1/4Gas Pipe Outer Diameterinch5/8Max. Interunit height DifferenceFt.33Max. Interunit Piping LengthFt.82* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 0056/ / 66/ / 38.6x31.1x16.842.5x19x3342.6x19x33.7119 / 132R410A56.448250.21/45/8338211

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)ModelWADLF4HH30K1A208/230601Outdoor28000 (9500 30000)28400 (10000 33000)2780 (350 3400)2870 (450 3300)12.112.5347516.7 /706/677/647/ 1.4210.79.93168.2377 550DLC4HV30K1ACross flowf4.25x20.58X2 /1410/1280/1200/ /1410/1280/1200/ 400.43.5 Aluminum Fin Copper Tubef11/402 door33600 (7400 36000)34600 (1500 36000)3650 (450 3800)3560 (560 3700)16.69.21400018.2 /824/706/677/ 1.1669.219.72168.2495 753DLC4HH36K1ACross flowf4.25x20.58X2 1550/1400/1300/ 1550/1400/1300/ 600.473.5 Aluminum Fin Copper Tubef11/402 0.055142.3x1x15MP24BA23.15dB (A) /57/54/46/ 57/56/53/ dB (A) /57/54/46/ /69/66/63/ Dimension (WxHxD)Dimension of Carton X16.5X13.556.7X16.6X14.0Dimension of Package (WxHxD)Net WeightGross 44.159.5Rated VoltagePowerRated FrequencySupplyPhasesPower Supply ModeCooling Capacity (Min Max)Heating Capacity (Min. Max)Cooling Power Input (Min. Max.)Heating Power Input (Min. Max.)Cooling Current InputHeating Current InputRated InputRated CurrentAir Flow Volume (S/H/M/L)Dehumidifying VolumeEERCOPSEERHSPFApplication AreaModel Indoor UnitFan TypeFan Diameter Length (DXL)Cooling Speed (SH/H/ML/SL)Heating Speed (SH/H/ML/SL)Fan Motor Power OutputFan Motor RLAFan Motor CapacitorInput of HeaterEvaporator FormEvaporator Pipe DiameterEvaporator Row fin GapEvaporator Coil Length (LxDxW)Indoor UnitSwing Motor ModelSwing Motor Power OutputFuse CurrentSound Pressure Level(SH/H/M/L/SL)Sound Power Level(SH/H/M/L/SL)12V r/minWAmFWWinchinchinch421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor Power InputOverload ProtectorThrottling MethodSet Temperature RangeCooling Operation Ambient Temperature RangeHeating Operation Ambient Temperature RangeFormPipe DiameterCondenserRows Fin GapCoil Length (LxDxW)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure for theDischarge SidePermissible Excessive Operating Pressure for theSuction SideDLC4HV30K1AZhuhai LandaQXAS D23ZX090PVE (FV50S)Rotary40122450INT11L 6233Electronic Expansion Valve61 865 109.019.4 75.0Aluminum Fin copper Tubef01/32 0.05537.5x1.5x29.4830900.45N/A2354Axial Flowf21.73Automatic CFV50SRotary6713.53010CS01F272H01Electronic Expansion Valve61 865 109.019.4 75.0Aluminum Fin copper Tubef3/82 0.05537x1.7x309001700.73N/A2589Axial Flowf21.73Automatic DefrostingT1IIP24PSI551551PSI174174AAW F F FinchinchinchrpmWAmFCFMinchSound Pressure Level (H/M/L)DB (A)62/ / Sound Power Level (H/M/L)DB (A)72/ / Dimensions (WxHxD)inch38.6x31.1x16.8Dimensions of Carton Box (WxHxD)inch42.5x19.1x33Dimensions of Package (WxHxD)inch42.6x19x33.7Net Weight / Gross WeightLbs.154 / 163Name of 24.6Gas Additional ChargeOz/ft0.5Connection PipeLiquid Pipe Outer Diameterinchf1/4Gas Pipe Outer Diameterinchf5/8Max. Interunit height DifferenceFt.32.8Max. Interunit Piping LengthFt.98.4* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 0065/ / 75/ / 38.6x31.1x16.842.5x19.1x3342.6x19x33.7161 / 170R410A91.724.60.2f1/4f5/832.898.413

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)ModelWADLF4AH36K1A208/230601Outdoor33600 (7400 36000)N/A3650 (410 3800)N/A15.9N/A420018.2 /824/706/677/ 1.669.21N/A16N/A495 753DLF4AH36K1ACross flowf4.25x20.58X2 /1550/1400/12300/ N/A600.473.5N/AAluminum Fin Copper Tubef11/402 0.055142.3x1x15MP24BA23.15dB (A) /59/56/53/ dB (A) /69/66/63/ Dimension (WxHxD)Dimension of Carton nsion of Package (WxHxD)Net WeightGross Weightinchlblb56.7X16.6X14.044.159.5Rated VoltagePowerRated FrequencySupplyPhasesPower Supply ModeCooling Capacity (Min Max)Heating Capacity (Min. Max)Cooling Power Input (Min. Max.)Heating Power Input (Min. Max.)Cooling Current InputHeating Current InputRated InputRated CurrentAir Flow Volume (S/H/M/L)Dehumidifying VolumeEERCOPSEERHSPFApplication AreaModel Indoor UnitFan TypeFan Diameter Length (DXL)Cooling Speed (SH/H/ML/SL)Heating Speed (SH/H/ML/SL)Fan Motor Power OutputFan Motor RLAFan Motor CapacitorInput of HeaterEvaporator FormEvaporator Pipe DiameterEvaporator Row fin GapEvaporator Coil Length (LxDxW)Indoor UnitSwing Motor ModelSwing Motor Power OutputFuse CurrentSound Pressure Level(SH/H/M/L/SL)Sound Power Level(SH/H/M/L/SL)14V r/minWAmFWWinchinchinch421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)PRODUCT SPECIFICATIONS (Cont.)Model Outdoor Power InputOverload ProtectorThrottling MethodSet Temperature RangeCooling Operation Ambient Temperature RangeHeating Operation Ambient Temperature RangeFormPipe DiameterCondenserRows Fin GapCoil Length (LxDxW)SpeedOutput of Fan MotorFan MotorR.L.A.CapacitorAir Flow Volume of Outdoor UnitTypeFanDiameterDefrosting MethodClimate TypeIsolationMoisture ProtectionPermissible Excessive Operating Pressure for theDischarge SidePermissible Excessive Operating Pressure for theSuction SideAAW F F ry61 865 109.019.4 75.0Aluminum Fin copper Tubef3/82 0.05537x1.7x309001700.73N/A2589Axial Flowf21.73N/AT1IIP24PSI551PSI174Sound Pressure Level (H/M/L)DB (A)65/ / Sound Power Level (H/M/L)DB (A)75/ / Dimensions (WxHxD)inch38.6x31.1x16.7Dimensions of Carton Box (WxHxD)inch42.5x19.1x33.1Dimensions of Package (WxHxD)inch42.6x19.2x33.6Net Weight / Gross WeightLbs.161 / 170Name of 24.6Gas Additional ChargeOz/ft0.2Connection PipeLiquid Pipe Outer Diameterinchf1/4Gas Pipe Outer Diameterinchf5/8Max. Interunit height DifferenceFt.32.8Max. Interunit Piping LengthFt.98.4* The above data is subject to change without notice. Please refer to the nameplate of the unit.421 08 9204 0015

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)MODEL SERIESPosition NumberDLC OutdoorDLF IndoorMODEL 4AV AC Outdoor4AH AC Indoor4HV HP Outdoor4HH HP IndoorType09 9k BTU12 12k BTU18 18k BTU24 24k BTU30 30k BTU36 36k BTUSizeJ 115 1 60K 208/230 1 60Voltage1AFactory DesignationUse of the AHRI Certified TM Mark indicates amanufacturer’s participation in the program. Forverification of certification for individual products,go to www.ahridirectory.org .SERIAL NUMBER NOMENCLATUREPosition Number1612345678910VSerial NumberYearWeekSequential Digits Unique for Each Factory102212345421 08 9204 00

SERVICE MANUALR 410A Ductless Split System: DLF4(A/H), DLC4(A/H)STANDARD FEATURES AND ACCESSORIESEase of OperationMounting BracketsLow Voltage ConnectionsComfort FeaturesMicroprocessor ControlsWireless Remote ControlRapid Cooling/HeatingAutomatic Air SweepCold Blow PreventionContinuous FanAuto Restart FeatureMemory FunctionAuto ChangeoverEnergy Saving FeaturesInverter Driven CompressorSleep Mode24 Hour Stop/Start Timer*Safety and ReliabilityIndoor Unit Freeze Protection3 Minute Compressor Time DelayHigh Compressor Discharge TemperatureLow Voltage ProtectionCompressor Overload ProtectionCompressor Over Current ProtectionIPM Module ProtectionEase of Service and MaintenanceCleanable FiltersDiagnostic LED’s ON Outdoor BoardError Messages Displayed Front PanelApplication FlexibilityCondensate PumpLow Ambient Heating and Cooling on most modelsStandard Warranty7 Year Compressor Limited Warranty5 Year Parts Limited WarrantyExtended Warranty6 10 Year Compressor Only2 6 Year Parts Only2 6 Year Parts Only; 1 6 Year Labor2 6 Year Parts Only; 6 10 Year Compressor Only;1 6 Year LaborLegendS StandardA AccessoryO Optional* Sizes 09, 18, & 24K have a clock.421 08 9204 00SSSSSSSSSSSCondensate PumpAssembly16’ TransparentSuction Discharge TubingLow VoltagePower CordDetection UnitMounting BracketAdhesiveDetection Unit5/8” Rubber ElbowTransparentDetectionUnit Vent TubingSSSMounting BracketSSSSSSSSSSAASSOOOOWire Ties (6)Power CableA12227Figure 1 - Accessory Condensate Pump KitTable 1 Accessory Condensate Pump Kit ContentsItem16 ft Transparent Suction/Discharge TubingCondensate Pump AssemblyLow voltage Power CordTransparent Detection Unit Vent TubingPower CableWire TiesWall Mount BracketAdhesiveDetection Unit Mounting Bracket⅝ in Rubber ElbowDetection Unit!Qt

421 01 9204 00 1/03/13 SERVICE MANUAL R 410A Ductless Split System Air Conditioner and Heat Pump MODELS: DLC4(A/H) Outdoor, DLF4(A/H) Indoor SIZES: 9K, 12K, 18K, 24K, 30K, and 36K INTRODUCTION