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SERVICE MANUAL

−

410A Ductless Split System: DLF4(A/H), DLC4(A/H)

421 08 9204 00

UNIT 18K & 24K, 230 Volts (Cont.)

Malfunction

Indoor Unit Display

Outdoor unit display

(LED’s have 3 modes)

OFF,

ON,

Flash

Operation Status

Malfunction

Error

Code

Display

Indicator Display

(LED Flash 0.5s

−

ON/0.5s

−

OFF

Running

LED

Cooling

LED

Heating_

LED

D40

/D5

D41

/D6

D42/

D16

D43/

D30

Overload limit,

compressor speed

reduction

flash 6

times

Operation normal,

compressor speed

reduced.

Refer to

troubleshooting

section of manual.

Over current compressor

speed reduction

flash 8

times

Operation normal,

compressor speed

reduced.

1. System voltage is

too low.

2. System voltage is

high.

Compressor discharge

temp high, compressor

speed reduction

flash 9

times

Operation normal,

compressor speed

reduced.

1. Load is too great,

ambient temp is too

high

2. Refrigerant is low

3. Electric expansion

valve malfunction

DC voltage is too high

flash 11

times

Cooling; compressor

stops, and outdoor fan

runs. Heating all stop

1. Check voltage at

terminal L and N. If

higher than 265VAC,

cut off power supply

and restart system.

2. If input voltage is

normal, check the

voltage at capacitor

on AP1. Replace AP1

if the capacitor

voltage range is

200

−

280v.

System current too high

flash 13

times

Cooling, Dehumidifying;

compressor stops, and

indoor fan motor runs.

Heating all stop.

AP1 malfunction,

replace the AP1 in

outdoor unit.

Compressor current too

high

flash 15

times

Cooling, Dehumidifying;

compressor stops, and

indoor fan motor runs.

Heating all stop.

Refer to service

manual (IPM

protection,

compressor speed

reduction, compressor

overcurrent

protection)

Defrost

flash 1

times

Heating mode,

compressor runs,

indoor/outdoor fan motor

stop

Normal Operation

Compressor overload

protection

flash 3

times

Cooling, Dehumidifying;

compressor stops, and

indoor fan motor runs.

Heating all stop.

1. Compressor

terminal loose, the

resistance should be

lower than 1 ohm.

2. Refer to service

manual.

(discharge/overload

protection)

System overload

protection

flash 4

times

Cooling, Dehumidifying;

compressor stops, and

indoor fan motor runs.

Heating all stop.

Refer to

troubleshooting

section of manual.

IPM protection

flash 5

times

Cooling, Dehumidifying;

compressor stops, and

indoor fan motor runs.

Heating all stop.

Refer to

troubleshooting

section of manual.

Содержание DLF4AH09J1A

Страница 1: ...ow all warnings or 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 current editions o...

Страница 2: ...0 7 5 Air Volume CFM 370 370 Dehumidifying Volume I h 0 8 0 8 EER C O P 14 2 14 2 SEER HSPF 22 22 9 8 Indoor Unit DLF4AH09J1A DLF4HH09J1A Fan Motor Speed SH r min 1260 1260 1320 H r min 1050 1050 120...

Страница 3: ...50 900 Output of Fan Motor W 40 40 R L A A 0 17 0 17 Capacitor mF Air Flow Volume of Outdoor Unit Ft3 min 1118 1118 Fan Type Axial Fan Axial Fan Diameter inch 15 7 15 7 Defrosting Method Climate Type...

Страница 4: ...0 7 5 Air Volume CFM 370 370 Dehumidifying Volume I h 0 8 0 8 EER C O P 14 2 14 2 SEER HSPF 22 22 9 8 Indoor Unit DLF4AH12J1A DLF4HH12J1A Fan Motor Speed SH r min 1260 1260 1320 H r min 1050 1050 120...

Страница 5: ...t of Fan Motor W 40 40 R L A A 0 17 0 17 Capacitor mF Air Flow Volume of Outdoor Unit Ft3 min 1118 1118 Fan Type Axial Fan Axial Fan Diameter inch 15 7 15 7 Defrosting Method Auto Defrost Climate Type...

Страница 6: ...m2 16 24 16 24 Model Indoor Unit DLF4AH12K1A DLF4HH12K1A Indoor Unit Fan Type Cross flow Cross flow Fan Diameter Length DXL inch f3 6x25 4 f3 6x25 4 Cooling Speed S H M L r min 1330 1100 950 750 1330...

Страница 7: ...F N A N A Air Flow Volume of Outdoor Unit CFM 941 6 941 6 Fan Type Axial Flow Axial Flow Diameter inch 15 748 15 748 Defrosting Method N A Automatic Defrosting Climate Type T1 T1 Isolation I I Moistur...

Страница 8: ...2 27 42 Model Indoor Unit DLF4AH18K1A DLF4HH18K1A Indoor Unit Fan Type Cross flow Cross flow Fan Diameter Length DXL inch f3 86x28 f3 86x28 Cooling Speed S H M L r min 1500 1200 1050 900 1500 1200 105...

Страница 9: ...F N A N A Air Flow Volume of Outdoor Unit CFM 1883 2 1883 2 Fan Type Axial Flow Axial Flow Diameter inch 20 472 20 472 Defrosting Method N A Automatic Defrosting Climate Type T1 T1 Isolation I I Moist...

Страница 10: ...2 27 42 Model Indoor Unit DLF4AH24K1A DLF4HH24K1A Indoor Unit Fan Type Cross flow Cross flow Fan Diameter Length DXL inch f3 86x30 f3 86x30 Cooling Speed S H M L r min 1500 1200 1050 900 1500 1200 105...

Страница 11: ...1 1 1 Capacitor mF 4 4 Air Flow Volume of Outdoor Unit CFM 2354 2354 Fan Type Axial Flow Axial Flow Diameter inch 21 732 21 732 Defrosting Method N A N A Climate Type T1 T1 Isolation I I Moisture Prot...

Страница 12: ...53 Model Indoor Unit DLC4HV30K1A DLC4HH36K1A Indoor Unit Fan Type Cross flow Cross flow Fan Diameter Length DXL inch f4 25x20 58X2 f4 25x20 58X2 Cooling Speed SH H ML SL r min 1410 1280 1200 1550 1400...

Страница 13: ...A N A Air Flow Volume of Outdoor Unit CFM 2354 2589 Fan Type Axial Flow Axial Flow Diameter inch f21 73 f21 73 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation...

Страница 14: ...ation Area m2 495 753 Model Indoor Unit DLF4AH36K1A Indoor Unit Fan Type Cross flow Fan Diameter Length DXL inch f4 25x20 58X2 Cooling Speed SH H ML SL r min 1550 1400 12300 Heating Speed SH H ML SL r...

Страница 15: ...f Outdoor Unit CFM 2589 Fan Type Axial Flow Diameter inch f21 73 Defrosting Method N A Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge S...

Страница 16: ...ndoor Type 09 9k BTU 12 12k BTU 18 18k BTU 24 24k BTU 30 30k BTU 36 36k BTU Size J 115 1 60 K 208 230 1 60 Voltage 1A Factory Designation Use of the AHRI Certified TM Mark indicates a manufacturer s p...

Страница 17: ...Compressor Only O 2 6 Year Parts Only O 2 6 Year Parts Only 1 6 Year Labor O 2 6 Year Parts Only 6 10 Year Compressor Only 1 6 Year Labor O Legend S Standard A Accessory O Optional Sizes 09 18 24K hav...

Страница 18: ...D H A12377 Unit Size W In mm H In mm D In mm Net Operating Weight Lbs Kg 9k 33 3 846 10 7 272 7 1 180 29 13 12k 33 3 846 10 7 272 7 1 180 29 13 18k 37 0 940 11 7 297 7 9 201 29 13 24k 39 7 1008 12 4...

Страница 19: ...A H DLC4 A H 421 08 9204 00 19 DIMENSIONS OUTDOOR UNIT SIZE 09 21 3 541 Net Operating Weight 96 lbs 44 kg A12380 in mm 10 254 0 30 762 0 23 2 589 3 11 3 287 0 33 4 848 4 12 6 320 0 21 3 541 0 UNIT SI...

Страница 20: ...204 00 13 4 340 4 35 889 0 37 6 955 0 22 558 8 14 5 368 3 27 6 701 0 15 6 396 2 in mm UNIT SIZE 18 Net Operating Weight 99 lbs 45 kg A12382 14 6 368 3 16 8 426 7 38 6 980 4 36 914 4 24 609 6 15 7 398...

Страница 21: ...less Split System DLF4 A H DLC4 A H 421 08 9204 00 21 14 6 370 8 36 914 4 24 609 6 15 7 398 8 31 1 789 9 38 6 980 4 16 7 424 2 in mm UNIT SIZE 30 Net Operating Weight 154 lbs 70 kg 36 Net Operating We...

Страница 22: ...Back Wall 12 305 mm Air Discharge Side 79 2007 mm Above Unit 20 508 mm Air Inlet Side 12 305 mm Distance to Wall 20 508 mm Valve Cover Indoor Unit Outdoor Unit The clearance dimensions are necessary...

Страница 23: ...rating Range A C F C 55 115 13 46 55 115 13 46 5 109 15 43 5 109 15 43 5 109 15 43 N A 64 109 18 43 Cooling Ambient Operating Range HP F C 55 115 13 46 55 115 13 46 5 109 15 43 5 109 15 43 5 109 15 43...

Страница 24: ...MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 24 421 08 9204 00 SYSTEM OPERATING ENVELOPES CONT Figure 5 18k 24k and 30k 230V System Operating Envelopes Figure 6 36k 230V System Operating Env...

Страница 25: ...from the outdoor unit to indoor unit consists of four wires and provides the power for the indoor unit as well as the communication signal and ground between the outdoor and indoor unit Two wires are...

Страница 26: ...Terminal Block Use Copper Conductors Only With Minimum 300 Volt 2 64 Thick Insulation Connecting Cable Outdoor to Indoor 115 1 60 Low V DC L2 L1 L1 GND 208 230 1 60 Low V DC 208 230 1 60 208 230 1 60...

Страница 27: ...AL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 27 Symbol Color Symbol Symbol Parts Name OG Orange Protective Earth WH White COMP Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way V...

Страница 28: ...WIRING DIAGRAMS CONT Size 9k and 12k 115V AC Outdoor Unit Size 9k and 12k 115V HP Outdoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 28 421 08 9204 00...

Страница 29: ...WIRING DIAGRAMS CONT Size 12k and 18k 230V Indoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 29...

Страница 30: ...WIRING DIAGRAMS CONT Size 24k 230V Indoor Unit Size 12k 230V Outdoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 30 421 08 9204 00...

Страница 31: ...WIRING DIAGRAMS CONT Size 18k 230V AC Outdoor Unit Size 18k 230V HP Outdoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 31...

Страница 32: ...WIRING DIAGRAMS CONT Size 24k 230V AC Outdoor Unit Size 24k 230V HP Outdoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 32 421 08 9204 00...

Страница 33: ...WIRING DIAGRAMS CONT Size 30k 36k 230V AC HP Indoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 33...

Страница 34: ...WIRING DIAGRAMS CONT Size30k 230V HP Outdoor Unit Size 36k 230V AC Outdoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 34 421 08 9204 00...

Страница 35: ...WIRING DIAGRAMS CONT Size36k 230V HP Outdoor Unit SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 35...

Страница 36: ...ystem DLF4 A H DLC4 A H 36 421 01 9204 00 REFRIGERANT SYSTEM DIAGRAM Cooling Only Models Size 9k 12k 115V and Size 12k 18k 24k 230 V Cooling and Heating Models Size 12k 115V and Size 12k 18k 24k 230 V...

Страница 37: ...Split System DLF4 A H DLC4 A H 421 08 9204 00 37 REFRIGERANT SYSTEM DIAGRAM Cooling Only Models Size 36k 230 V Cooling and Heating Models Size 30k 36k 230 V Refrigerant pipe diameter Liquid Gas Figure...

Страница 38: ...ies are based on runs of 25ft 7 6m For runs over 25ft 7 6m consult long line section for charge adjustments Refrigerant lines should not be buried in the ground If it is ne cessary to bury the lines n...

Страница 39: ...re 13 Manifold Deep Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth The deep...

Страница 40: ...ght Button to Turn ON or OFF Display on Front Panel 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Remote Control Size 30 36 1 Remote Control Display 2 ON OFF Button 3 MODE Button 4 Setpoint Timer Up and Down Butto...

Страница 41: ...e TEMPERATURE DISPLAY Temperature setting from 61 F 16 C to 86 F 30 C will be displayed If FAN mode is selected there will be no temperature displayed CLOCK DISPLAY Indicates the current time 0 to 24...

Страница 42: ...able on these models DRY COIL DISPLAY Indicates unit is running in DRY COIL mode where the fan continues to run after the unit is shut off to dry the coil TEMPERATURE DISPLAY Not available on these mo...

Страница 43: ...rise will be allowed if Itotal B frequency rise will not be allowed if Itotal C the compressor will run at reduced frequency and if Itotal D the compressor will stop and the outdoor fan will stop wit...

Страница 44: ...F Once energized if Tamb 68 F the unit will be started under heating mode if 68 F Tamb 77 F the unit will run under fan mode and the run indicator will be bright and if Tamb 77 F the unit will be sta...

Страница 45: ...r is powered up or receives the information sent by the remote control or there is a button pushed 8 Auto button If the controller is on it will stop when the button is pressed If the controller is of...

Страница 46: ...y up from a lower starting limit to protect the compressor Figure 18 Compressor Frequency When the compressor is turned off it cannot be turned back on for 3 minutes ex cept after defrost Discharge Pi...

Страница 47: ...d Check if there is electricity on the case and copper pipe of the air conditioner with a voltage tester Take sufficient care to avoid directly touching any of the circuit parts without first turning...

Страница 48: ...or overheat Low refrigerant Capillary blocked Overload protection H4 Flash 6 Times Ambient temp is abnormal Heat exchanger blocked Stop for IPM module protection H5 Flash 4 Times IPM module over tempe...

Страница 49: ...t temperature sensor malfunction F1 flash 1 times Bad terminal connection Temp sensor malfunction Indoor tube temperature sensor malfunction F2 flash 2 times Bad terminal connection Temp sensor malfun...

Страница 50: ...ure Anti High temp protection E8 flash 8 times Cooling compressor stop and indoor fan motor runs Heating all stop Refer to troubleshooting section of manual Indoor unit fan motor no feedback H6 flash...

Страница 51: ...f power supply and restart system 2 If input voltage is normal check the voltage at capacitor on AP1 Replace AP1 if the capacitor voltage range is 200 280v System current too high U9 flash 13 times Co...

Страница 52: ...ehumidifying compressor stops and indoor fan motor runs Heating all stop Replace outdoor board AP1 Capacitor charge malfunction PU flash 17 times Cooling Dehumidifying compressor stops and indoor fan...

Страница 53: ...ard AP1 Indoor freeze protection FH Operation normal compressor speed reduced Indoor unit return air blocked or fan speed is too low Fan module protection L3 Cooling outdoor fan motor and compressor s...

Страница 54: ...atch Compressor frequency limited by over current protection Flash 1 times Outdoor unit over current Ambient temp is abnormal Compressor frequency limited by discharge temp protection Flash 2 times Lo...

Страница 55: ...ner has malfunctioned Measure the insula tion resistance or eliminate the malfunc tion If the breaker itself has a malfunction then replace the breaker Check the voltage If it is lower than 10 of the...

Страница 56: ...the exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumulated on the surface of the heat exchanger Air filter were blocked Clean the filter Fan speed was set too slow...

Страница 57: ...o s s e r p m o c e h t e c a l p e R r o s s e r p m o c f o n o i t c n u f l a M Run capacitor of compressor malfunction Replace the capacitor The voltage is too low or too high Voltage should be...

Страница 58: ...inage pipe blocked or broken Change drainage pipe Re wrap and make it tight Air gap in refrigerant pipe insulation Water leakage Change controller Wire loose or wrong connection In cool heat mode the...

Страница 59: ...ver load protection Possible causes insufficient or too much refrigerant blockage of capillary or metering device and increase of suction temp improp er running of compressor stuck bearing damage of d...

Страница 60: ...he voltage Replace the control panel AP1 Measure the AC voltage between terminal L and N on wiring XT power supply Shut down the power and repair the power supply to restore the range 210VAC 250VAC po...

Страница 61: ...AP1 and com pressor COMP secure Loose Is the connection in correct order Is the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the...

Страница 62: ...to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective...

Страница 63: ...erheat and high temperature protection 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the...

Страница 64: ...n Has the compressor stopped long enough before re start Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Do...

Страница 65: ...inutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the...

Страница 66: ...t diagnosis process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the firs...

Страница 67: ...her there is any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two termina...

Страница 68: ...he equipment operate normally before the failure occured The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circ...

Страница 69: ...corresponding malfunction directly Some mal functions will be displayed on the indoor unit directly and some malfunctions will be seen on the remote controller by pressing light button for 4 times in...

Страница 70: ...air the power supply to restore the range 210VAC 250VAC N power on and restart the unit If the fault is eliminated Shut down the power and wait 20n muties or use DC voltmeter to measure the voltage on...

Страница 71: ...6 D30 IPM protection Desynchronizing malfunction Compressor overcurrent Detection If control board AP1 and compressor COMP are well connected If they are loose If the connection se quence is correct I...

Страница 72: ...nit Y 4 7 0 Replace the control panel AP1 N N Y Y Y Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoo...

Страница 73: ...broken If the indoor and outdoor fan work well De energize the unit and wait for 20min Replace the control board replace the outdoor control board in cooling mode replace the indoor control board in...

Страница 74: ...d start it If the compressor wire COMP UVW is well connected and connection sequence is correct Replace control board AP1 If the stop time of compressor is more than 3min N If the stop time is not eno...

Страница 75: ...ce compressor If the outdoor fan works normally If the stop time of compressor is more than 3min End Synchronization after energizing the unit and starting it Connect wire well Synchronization during...

Страница 76: ...ing to wiring diagram Check if the expansion valve is blocked If the wiring terminal FA of electronic expansion is well connected Remove malfunction Remove malfunction Check if the coil of electronic...

Страница 77: ...k communication circuit of outdoor unit Problem of communication circuit Check if the controller connection wire inside indoor and outdoor electric box is loose Connection correct Connect wire of indo...

Страница 78: ...Test10 position in diagram with voltage meter Number jumping Number jumping Number jumping Number jumping Outdoor unit malfunction Test voltage value of Test 13 position in diagram with voltage meter...

Страница 79: ...SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 79...

Страница 80: ...SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 80 421 08 9204 00...

Страница 81: ...SERVICE MANUAL R 410A Ductless Split System DLF4 A H DLC4 A H 421 08 9204 00 81...

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