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Indoor unit installation

Installation

Indoor unit installation

3.1

Super slim cassette indoor unit installation

3.1.1

Service space for indoor unit

Model

205

>235

24~42

245

>275

48/55

287

>317

3.1.2

Bolt pitch

3.1.3

Install the pendant bolt

Select the position of installation hooks according to the hook holes positions showed in upper picture.
Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the
expansible hooks (fittings).

Содержание LICH4012021T431E-1

Страница 1: ...LIFHC018021T431E 1 LIFHC024021T431E 1 LIFHC036021T431E 1 LIFHC048021T431E 1 LIFHC060021T431E 1 LIFHC012021T431E 1 LICH4018021T431E LICH4024021T431E 1 LICH4036021T431E 1 LICH4048021T431E 1 LICH4060021T...

Страница 2: ...ation 1 Part 2 Indoor Units 4 Part 3 Outdoor Units 63 Part 4 Installation 76 Part 5 Electrical Control System 106 The specifications designs and information in this book are subject to change without...

Страница 3: ...General Information General Information 1 Part 1 General Information 1 Model Lists 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 3...

Страница 4: ...Matched indoor units LIHP012000T431E Rotary GMCC LIFHC012021T431E 1 LICH4012021T431E 1 LIHP018000T431E Rotary GMCC LIUH018021T431E LIFHC018021T431E 1 LICH4018021T431E LIHP024000T431E Rotary GMCC LIUH0...

Страница 5: ...Indoor Units Indoor Units 3 2 External Appearance 2 1 Indoor Units Super slim cassette Duct Ceiling Floor Compact Four way cassette 2 2 Outdoor Units Single fan outdoor unit Double fan outdoor unit...

Страница 6: ...Indoor Units Indoor Units 4 Part 2 Indoor Units Super Slim Cassette Type 5 A6 Duct Type 20 Ceiling Floor Type 38 Four way Cassette Type Compact 53...

Страница 7: ...im Cassette Type 1 Features 6 2 Dimensions 9 3 Service Space 10 4 Wiring Diagrams 11 5 Air Velocity Distributions Reference Data 12 6 Electric Characteristics 15 7 Sound Levels 16 8 Accessories 17 9 T...

Страница 8: ...air quality more healthy and comfortable Ventilation motor is optional to increase the effect of fresh air 1 3Optional ionizer generator Ionizer generator is optional to get refreshing air to your roo...

Страница 9: ...ir or replace the draining pump Built in draining pump to make sure condensed water drain out reliably 1 6Terminals for alarm lamp and long distance on off controller connection are standard Reserve t...

Страница 10: ...Combination 18k 30k The units can be installed as Twin systems one outdoor unit can connect with two indoor units The indoor units can be combined in any of the different available ratings Alarm lamp...

Страница 11: ...t 680 780 780 680 136 126 91 196 132 A A B A A B A A B A B Service hole for draining pump Fresh air intake 75 55 80 80 4 install hanger Gas side Liquid side E parts box 135 90 Panel Body 92 92 92 92 D...

Страница 12: ...Service Space Indoor Units 10 3 Service Space 1000mm 1000mm 1000mm 1000m m Chart 3...

Страница 13: ...Wiring Diagrams Indoor Units 11 4 Wiring Diagrams...

Страница 14: ...Air Velocity Distributions Reference Data Indoor Units 12 5 Air Velocity Distributions Reference Data 24K Cooling Heating...

Страница 15: ...Air Velocity Distributions Reference Data Indoor Units 13 36K Cooling Heating...

Страница 16: ...Air Velocity Distributions Reference Data Indoor Units 14 48 60K Cooling Heating...

Страница 17: ...acteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA LICH4024021T431E 1 50 220 240V 198V 254V LICH4036021T431E 1 50 220 240V 198V 254V LICH4048021T431E 1 50 220 240V 198V 254V LICH4060021...

Страница 18: ...door Units 16 7 Sound Levels 1 4m Microphone Model Noise Power dB A Noise level dB A H M L LICH4024021T431E 1 62 46 42 39 LICH4036021T431E 1 65 56 52 48 LICH4048021T431E 1 65 55 51 48 LICH4060021T431E...

Страница 19: ...al ring 1 Remote controller Its Frame The product you have might not be provided the following accessories Remote controller Its Frame 1 Remote controller holder 1 Mounting screw ST2 9 10 C H 2 Remote...

Страница 20: ...utdoor Connecting Wiring Strong Electric Signal mm2 3 1 0 3x2 5 with auxiliary electric heater 3 1 0 3x2 5 with auxiliary electric heater 3 1 0 3x2 5 with auxiliary electric heater Model Btu h 48000 6...

Страница 21: ...Field Wiring Indoor Units 19 10 Field Wiring...

Страница 22: ...s 20 A6 Duct Type 1 Features 21 2 Dimensions 24 3 Service Space 25 4 Wiring Diagrams 26 5 Static Pressure 27 6 Electric Characteristics 33 7 Sound Levels 34 8 Accessories 35 9 The Specification of Pow...

Страница 23: ...48K unit 300mm 1 3 Constant air volume control For ordinary duct when the static pressure exceeds the expected range it is fairly difficult even for an experienced installer to calculate and adjust th...

Страница 24: ...from the inside by vacuum 1 7 Fresh air intake function Optional Install one duct from the reserved fresh air intake to outdoor Continually inhale the fresh air to improve the quality of the indoor a...

Страница 25: ...Features Indoor Units 23 1 8 Built in drain pump Optional Built in drain pump can lift the water to 750mm upmost which widens the drainage piping range Max 750mm...

Страница 26: ...30 79 7 48 1 57 36 22 20 00 3 07 5 83 3 46 4 41 24 mm 1100 249 774 700 140 926 50 175 1001 228 5 1140 598 80 150 130 155 inch 43 31 9 80 30 47 27 56 5 51 36 46 1 97 6 89 39 41 8 98 0 20 44 88 23 54 3...

Страница 27: ...Service Space Indoor Units 25 3 Service Space Ensure enough space required for installation and maintenance...

Страница 28: ...Wiring Diagrams Indoor Units 26 4 Wiring Diagrams 12k 18k 60k...

Страница 29: ...L Air flow rate m3 h no filter 10 20 25 30 40 50 0 External Static Pressure pa SP1 SP2 SP3 SP4 PS SP4 M SP3 H 100 200 300 400 500 600 700 800 900 1000 1100 1200 0 100 200 300 400 500 600 700 0 5 10 15...

Страница 30: ...0 100 110 120 130 140 150 160 200 400 600 800 1000 1200 1400 1600 1800 2000 0 1500 500 M H L Air flow rate m3 h no filter External Static Pressure pa SP1 SP2 SP3 SP4 0 200 400 600 800 1000 1200 0 10 2...

Страница 31: ...0 40 50 60 70 80 90 100 110 120 130 140 150 160 0 L M H 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 Air flow rate m3 h no filter SP1 SP2 SP3 SP4 0 200 400 600 800 1000 1200 1400 1600 1800...

Страница 32: ...0 120 130 140 150 160 H M L External Static Pressure pa 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2500 2600 2800 3000 3200 Air flow rate m3 h no filter SP1 SP2 SP3 SP4 0 500 1000 1500...

Страница 33: ...100 110 120 130 140 150 160 400 800 1200 1600 2000 2400 2800 3200 3600 4000 4400 4800 0 1500 3100 L M H External Static Pressure pa Air flow rate m3 h no filter SP1 SP2 SP3 SP4 0 500 1000 1500 2000 25...

Страница 34: ...20 130 140 150 160 400 800 1200 1600 2000 2400 2800 3200 3600 4000 4400 4800 0 1500 3100 L M H External Static Pressure pa Air flow rate m3 h no filter SP1 SP2 SP3 SP4 0 500 1000 1500 2000 2500 3000 3...

Страница 35: ...ly Hz Voltage Min Max MFA LIFHC012021T431E 1 50 220 240V 198V 254V LIFHC018021T431E 1 50 220 240V 198V 254V LIFHC024021T431E 1 50 220 240V 198V 254V LIFHC036021T431E 1 50 220 240V 198V 254V LIFHC04802...

Страница 36: ...ne 1 4m Concealed Duct Type Duct Duct Model Sound Power dB A Noise level dB A H M L LIFHC012021T431E 1 59 40 34 28 LIFHC018021T431E 1 58 42 40 38 LIFHC024021T431E 1 62 42 39 36 LIFHC036021T431E 1 62 4...

Страница 37: ...t s Fitting for some models Magnetic ring twist the electric wires L and N around the magnetic ring to five circles 1 Wired controller Its Frame Wired controller 1 Owner s manual of wired controller 1...

Страница 38: ...door Connecting Wiring Strong Electric Signal mm2 4 1 0 4x2 5 with auxiliary electric heater 3 1 0 3x2 5 with auxiliary electric heater 3 1 0 3x2 5 with auxiliary electric heater 3 1 0 3x2 5 with auxi...

Страница 39: ...Field Wiring Indoor Units 37 10 Field Wiring 12K 18K 60K...

Страница 40: ...pe 1 Features 39 2 Dimensions 40 3 Service Space 41 4 Wiring Diagrams 42 5 Electric Characteristics 43 6 Sound Levels 44 7 Air Velocity and Temperature Distributions Reference Data 45 8 Accessories 51...

Страница 41: ...ing 1 3 Two direction auto swing vertical horizontal and wide angle air flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of h...

Страница 42: ...40 2 Dimensions A B 220 222 C 120 2 40 120 140 2 33 Wiring connection port 204 94 Fresh air intake Drain discharge port Refrigerant pipe hole Hanging arm D Capacity KBtu h A B C D 18 24 1068 675 235...

Страница 43: ...Ceiling Floor Type Indoor Units 41 3 Service Space...

Страница 44: ...Ceiling Floor Type Indoor Units 42 4 Wiring Diagrams LIUH018021T431E 1 LIUH024021T431E 1 LIUH036021T431E 1 LIUH048021T431E 1 LIUH060021T431E 1...

Страница 45: ...oor Units Power Supply Hz Voltage Min Max MFA LIUH018021T431E 1 50 220 240V 198V 254V LIUH024021T431E 1 50 220 240V 198V 254V LIUH036021T431E 1 50 220 240V 198V 254V LIUH048021T431E 1 50 220 240V 198V...

Страница 46: ...hone 1m 1m Air outlet side 1 5m 1m Microphone Ceiling Floor Model Sound Power dB A Noise level dB A H M L LIUH018021T431E 1 56 44 39 34 LIUH024021T431E 1 64 53 48 42 LIUH036021T431E 1 65 56 53 50 LIUH...

Страница 47: ...Ceiling Floor Type Indoor Units 45 7 Air Velocity and Temperature Distributions Reference Data Model 18k 24k Ceiling installation Discharge angle 17 Discharge angle 50...

Страница 48: ...Ceiling Floor Type Indoor Units 46 Floor installation Discharge angle 17 Discharge angle 50...

Страница 49: ...Ceiling Floor Type Indoor Units 47 Model 36k Ceiling installation Discharge angle 17 Discharge angle 50...

Страница 50: ...Ceiling Floor Type Indoor Units 48 Floor installation Discharge angle 17 Discharge angle 50...

Страница 51: ...Ceiling Floor Type Indoor Units 49 Model 48k 60k Ceiling installation Discharge angle 17 Discharge angle 50...

Страница 52: ...Ceiling Floor Type Indoor Units 50 Floor installation Discharge angle 17 Discharge angle 50...

Страница 53: ...WER WIRING mm2 3 2 5 3 4 0 5 2 5 CIRCUIT BREAKER Fuse A 30 20 40 30 30 20 Indoor Outdoor Connecting Wiring Weak Electric Signal mm2 2 0 2 2 0 2 2 0 2 Indoor Outdoor Connecting Wiring Strong Electric S...

Страница 54: ...Field Wiring Indoor Units 52 10 Field Wiring...

Страница 55: ...e Type Compact 1 Features 54 2 Dimensions 56 3 Service Space 57 4 Wiring Diagrams 58 5 Air Velocity and Temperature Distributions Reference Data 59 6 Electric Characteristics 60 7 Sound Levels 60 8 Ac...

Страница 56: ...7 50 647mm The hooks are designed in the four corners of the body which can save installation space 1 3 Electric control box built in design The E box is simply and safely built inside the indoor unit...

Страница 57: ...Features Indoor Units 55...

Страница 58: ...Panel Gas side Liquid side 4 install hanger Body Drain pipe 32 Fresh air intake 65 647 647 50 Drain hole for Service 545 570 260 68 42 157 126 44 Wiring connection port 75 150 Distribution duct 2 E pa...

Страница 59: ...Service Space Indoor Units 57 3 Service Space...

Страница 60: ...Wiring Diagrams Indoor Units 58 4 Wiring Diagrams LICH4012021T431E 1 LICH4018021T431E...

Страница 61: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 59 5 Air Velocity and Temperature Distributions Reference Data Airflow velocity Temperature...

Страница 62: ...nits Power Supply Hz Voltage Min Max MFA LICH4012021T431E 1 50 220 240V 198V 254V LICH4018021T431E 50 220 240V 198V 254V Note MFA Max Fuse Amps A 7 Sound Levels 1 4m Microphone Model Noise Power dB A...

Страница 63: ...ontroller manual 1 Alkaline dry batteries AM4 2 Others Owner s manual 1 Installation manual 1 Installation accessory The product you have might not be provided the following accessories Expansible hoo...

Страница 64: ...Field Wiring Indoor Units 62 10 Field Wiring LICH4012021T431E 1 LICH4018021T431E...

Страница 65: ...Outdoor Units Outdoor Units 63 Part 3 Outdoor Units 1 Dimensions 64 2 Service Space 66 3 Wiring Diagrams 67 4 Piping Diagrams 72 5 Electric Characteristics 73 6 Operation Limits 74 7 Sound Levels 75...

Страница 66: ...Dimensions Outdoor Units 64 1 Dimensions Model KBtu h Unit mm W D H W1 A B 12 18 800 333 554 870 514 340 24 845 363 702 914 540 350 36 946 410 810 1030 673 403 W H W1 A B D...

Страница 67: ...Dimensions Outdoor Units 65 Model KBtu h Unit mm W D H W1 A B 48 60 952 415 1333 1045 634 404...

Страница 68: ...Service Space Outdoor Units 66 2 Service Space More than 60cm More than 30cm More than 60cm More than 200cm Air inlet Air inlet More than 30cm Air outlet Wall or obstacle Maintain channel...

Страница 69: ...Wiring Diagrams Outdoor Units 67 3 Wiring Diagrams LIHP012000T431E...

Страница 70: ...Wiring Diagrams Outdoor Units 68 LIHP018000T431E LIHP024000T431E...

Страница 71: ...Wiring Diagrams Outdoor Units 69 LIHP036000T431E...

Страница 72: ...Wiring Diagrams Outdoor Units 70 LIHP036000M431E...

Страница 73: ...Wiring Diagrams Outdoor Units 71 LIHP048000T431E LIHP048000M431E LIHP060000M431E...

Страница 74: ...mulator Electronic expansion valve CAPILIARY TUBE For LIHP024000T431E there is no accumulator LIHP036000T431E LIHP036000M431E LIHP048000T431E LIHP048000M431E LIHP060000M431E LIQUID SIDE GAS SIDE HEAT...

Страница 75: ...50 220 240V 198V 254V 16 LIHP018000T431E 50 220 240V 198V 254V 20 LIHP024000T431E 50 220 240V 198V 254V 20 LIHP036000T431E 50 220 240V 198V 254V 30 LIHP036000M431E 50 380 415V 342V 440V 20 LIHP048000...

Страница 76: ...used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air con...

Страница 77: ...of outdoor unit Model Noise Power dB A Noise level dB A LIHP012000T431E 60 57 LIHP018000T431E 64 57 LIHP024000T431E 65 61 LIHP036000T431E 66 61 LIHP036000M431E 67 62 LIHP048000T431E 72 65 LIHP048000M4...

Страница 78: ...unit installation 79 4 Outdoor unit installation Side Discharge Unit 92 5 Refrigerant pipe installation 93 6 Drainage pipe installation 97 7 Vacuum Drying and Leakage Checking 101 8 Additional refrige...

Страница 79: ...Wiring connection and electric safety checking Test operation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Indoor unit installation location selection Outdoor...

Страница 80: ...n The place shall easily support the outdoor unit s weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop can not exceed the allowable value The place wh...

Страница 81: ...for indoor unit Model A H 18 205 235 24 42 245 275 48 55 287 317 3 1 2 Bolt pitch 3 1 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed...

Страница 82: ...leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The body s lower part should...

Страница 83: ...the panel to the hooks on the mainbody If the panel is with auto lift grille please watch the ropes lifing the grille DO NOT make the ropes enwinded or blocked Tighten the screws under the panel hook...

Страница 84: ...in grill to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Install the 4 corner covers back Note The...

Страница 85: ...ing floor indoor unit installation 3 3 1 Service space for indoor unit 3 3 2 Bolt pitch Ceiling installation Capacity KBtu h D E 18 24 983 220 30K 1200 220 36 60 1565 220 Wall mounted installation 3 3...

Страница 86: ...ected positions on the ceiling Then embed the expansible hooks fittings Wall mounted installation Install the tapping screws onto the wall Refer to picture below 3 3 4 Install the main body Ceiling in...

Страница 87: ...Put the side panels and grilles back Wall mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit The bottom of body can touch with floor or suspe...

Страница 88: ...of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fitt...

Страница 89: ...lation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps between the body and the...

Страница 90: ...panel hooks till the panel closely stick on the ceiling to avoid condensate water Hang the air in grill to the panel then connect the lead terminator of the swing motor and that of the control box wit...

Страница 91: ...ng Be sure to mark the areas where ceiling hook holes will be drilled 2 Install and fit pipes and wires after you have finished installing the main body When choosing where to start determine the dire...

Страница 92: ...suspension bolts into the unit s hanging holes Fasten them using the washers and nuts provided 9 Mount the indoor unit onto the hanging screw bolts with a block Position the indoor unit flat using a...

Страница 93: ...sate An internal duct underlayer can be added to reduce noise if the end user requires 3 5 5 Adjust the air inlet direction From rear side to under side Take off ventilation panel and flange cut off t...

Страница 94: ...hen lifting it with a sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it sidelon...

Страница 95: ...000Btu h 30m 20m 24 000Btu h 50m 25m 36 000Btu h 60 000Btu h 65m 30m 5 2 The procedure of connecting pipes 5 2 1 Choose the pipe size according to the specification table 5 2 2 Confirm the cross way o...

Страница 96: ...pipe and fix it by supporter For horizontal refrigerant pipe the distance between supporters should not be exceed 1m For vertical refrigerant pipe the distance between supporters should not be exceed...

Страница 97: ...18K 18K 30m L L1 L2 24K 24K 50m 30K 30K 50m Max branch pipe length 15m L1 L2 Max branch pipe length difference 10m L1 L2 Drop Height Max height difference between indoor unit and outdoor unit 20m H1 M...

Страница 98: ...Refrigerant pipe installation Installation 96...

Страница 99: ...e water flowrate is decided by the capacity of indoor unit Relationship between water flowrate and capacity of indoor unit Capacity x1000Btu Water flowrate l h 12 2 4 18 4 24 6 36 8 48 12 60 14 Accord...

Страница 100: ...g distance Gas bag 6 2 5 The horizontal pipe layout should avoid converse flow or bad flow Drainage pipe Water flow Drainage pipe Drainage pipe Drain tee Drain tee Water flow Water flow Water flow Wat...

Страница 101: ...h Refer the following picture for installation reference Flexible pipe 300mm Hanger A A Length of horizontal pipe 150mm B Lift height the pump head of water pump Down incline pipe B 6 2 8 Blowhole set...

Страница 102: ...at drainage outlet In light of the length of drainage pipe water shall be discharged about 1 minute delayed 2 3 Stop the operation of air conditioner power off the power supply and put the cover of wa...

Страница 103: ...g after 1 5 hours of drying check whether there is leakage source 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum...

Страница 104: ...id pipe m Note Refrigerant may only be charged after performed the vacuum drying process Always use gloves and glasses to protect your hands and eyes during the charge work Use electronic scale or flu...

Страница 105: ...environment place the layer of insulation should be thicker accordingly 9 1 4 Installation highlights of insulation construction Gas pipe and liquid pipe shall be insulated separately if the gas pipe...

Страница 106: ...eld wiring construction should be finished by qualified electrician Air conditioning equipment should be grounded according to the local electrical regulations Current leakage protection switch should...

Страница 107: ...units The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 11 3 Test operation Set the air conditioner under the mode of COOLING by remote...

Страница 108: ...Electrical Control System Electrical Control System 106 Part 5 Electrical Control System 1 Electrical Control Function 107 2 Troubleshooting 119 3 Controller 154...

Страница 109: ...perature exceeds a pre determined threshold The unit will restart after the temperature guard of the compressor top restarts 1 2 4 Indoor Fan Delayed Open Function When the unit starts up the louver i...

Страница 110: ...tage too low 8 Communication fault 9 Parameter fault 10 L3 Current limited 11 L5 Voltage limited 12 Target speed cannot be met during the static pressure calculation process For other models If the in...

Страница 111: ...g mode 4 Auto fan When it fan only mode operates the same as auto fan in cooling mode with the temperature set at 24 a b c d T1 24 e H H L 0 75 L H L 0 5 L H L 0 25 L L 1 3 2 Cooling Mode 1 3 2 1 Outd...

Страница 112: ...e the indoor fan runs continuously and You can select the following speeds high medium low auto or silent When the compressor is running The indoor fan is regulated as illustrated as in the following...

Страница 113: ...imited and decreases to a lower level 4 T2 7 the compressor maintains its current frequency T2 7 the compressor frequency is not limited 1 3 2 4 High Condenser Coil Temperature Protection 12K 16 60K T...

Страница 114: ...i cold wind function is preferential When the compressor is running The indoor fan is regulated as illustrated as in the following figure Setting fan speed Actual fan speed H H H H H G M M M M M M Z L...

Страница 115: ...e than TCDE1 T3 remains at TCDE2 or above for 80 seconds The machine runs for 10 consecutive minutes in defrosting mode 1 3 3 4 High Evaporator Coil Temperature T2 Protection TEstop T2 Resume Off Decr...

Страница 116: ...ediately after the timer off function is set When the setting time is reached the timer LED switches ioff and the unit running mode remains unchanged 1 3 6 7 The timer uses relative time not clock tim...

Страница 117: ...mal display Displays running frequency running state or malfunction code 01 Indoor unit capacity demand code Actual data HP 10 If a capacity demand code is higher than 99 the digital display shows sin...

Страница 118: ...n communicate with outdoor unit General 1 Twins 2 19 Condenser pipe temperature of 1 indoor unit If the temperature is lower than 0 the digital display shows 0 If the temperature is higher than 70 the...

Страница 119: ...ncy limit caused by T2 in cooling 2 Frequency limit caused by T2 in heating 3 Preset temperature reached 4 Frequency limit caused by T4 5 Defrosting 6 Mode switching 7 High discharge temperature prote...

Страница 120: ...sor overcurrent protection 36 Compressor EE malfunction 37 Compressor start up malfunction 38 311 fan speed has been malfunction 39 Low pressure protection 40 High pressure protection 41 PFC module ma...

Страница 121: ...lanation on indoor display board A6 Duct 2 1 3 Auto lifting panel of 4 way cassette 2 1 4 Display board of Ceiling floor indoor unit OPERATION TIMER DEF FAN ALARM Temporary button Operation lamp Timer...

Страница 122: ...2B temperature open or short circuit F6 IPM module malfunction P0 DC voltage too high too low protection P1 High temperature protection of compressor top P2 Low ambient temperature protection P3 Inver...

Страница 123: ...at 2Hz 2 3 Outdoor Unit Malfunctions For 18 60K Display Malfunction or Protection E1 Communication malfunction between indoor and outdoor units F0 Overcurrent protection F1 Ambient temperature sensor...

Страница 124: ...ons Correct the connections No Yes No Replace the sensor Replace the sensor Replace the indoor PCB Replace the indoor PCB Measure the resistance value of the sensor via Appendix 1 Measure the resistan...

Страница 125: ...re code Possible causes Wiring mistakes Faulty water level switch Faulty water pump Faulty indoor PCB Is the water level switch inserted properly Is the water level switch inserted properly No Insert...

Страница 126: ...or the screws which fix the fan in place are too tight Find the cause of the problem and resolve it For example the fan may be blocked or the screws which fix the fan in place are too tight Check the...

Страница 127: ...ubleshooting Electrical Control System 125 DC motor voltage input and output NO Color Signal Voltage 1 Red Vs Vm 200V 380V 2 3 Black GND 0V 4 White Vcc 13 5 16 5V 5 Yellow Vsp 0 6 5V 6 Blue FG 13 5 16...

Страница 128: ...auses T2 sensor error Indoor PCB error Refrigerant system error such as leakage or blockages Is there cool air blowing out from indoor air outlet Yes Yes Check if T2 sensor is well fixed Correct the i...

Страница 129: ...tween temperature sensor and PCB Is it properly wired Ensure proper connection No Yes Replace outdoor main PCB Measure the resistance value of the sensor Is it within acceptable parameters Replace the...

Страница 130: ...fective F1 Displayed F1 Displayed Up down panel is defective Up down panel is defective Retry Can the panel move up and down normally Retry Can the panel move up and down normally Check the wiring of...

Страница 131: ...ommunication wires connection is it wired properly Check the PQE communication wires connection is it wired properly Yes Correct the wire connections Correct the wire connections No One of the 2 indoo...

Страница 132: ...k from EEPROM chip Possible causes Installation mistakes Faulty PCB Yes Replace the outdoor main PCB Replace the outdoor main PCB Power off then restart the unit 2 minutes later Does the malfunction s...

Страница 133: ...essor driven chip light Check the signal wire between the compressor driven chip and the compressor Is it connected properly Check the signal wire between the compressor driven chip and the compressor...

Страница 134: ...Malfunction Yes Replace the outdoor main PCB Replace the outdoor main PCB Power off then restart the unit 2 minutes later Does a problem still exist Power off then restart the unit 2 minutes later Do...

Страница 135: ...l exist Power off then restart the unit 2 minutes later Does a problem still exist No Replace the outdoor main PCB Power on Is the error resolved Replace the outdoor main PCB Power on Is the error res...

Страница 136: ...o Yes Yes Remove interference or add magnet ring on power wire Remove interference or add magnet ring on power wire Yes Replace the signal wire Replace the signal wire Yes Pull out and insert back Pul...

Страница 137: ...System 135 2 4 4 5 F0 Malfunction Malfunction conditions If the outdoor current exceeds the current limit value the LED displays a failure code Possible causes Wiring mistakes Faulty bridge rectifier...

Страница 138: ...bridge rectifier Replace the bridge rectifier No Is the bridge rectifier functioning normally Is the bridge rectifier functioning normally Is the wiring of the reactor or inductance properly wired Is...

Страница 139: ...s the wiring of the outdoor ambient temperature sensor T4 not connected properly Is the wiring of the outdoor ambient temperature sensor T4 not connected properly Is the resistance of the outdoor ambi...

Страница 140: ...ace the outdoor main PCB Power off then restart the unit 2 minutes later Does a problem still exist Power off then restart the unit 2 minutes later Does a problem still exist Outdoor EEPROM malfunctio...

Страница 141: ...s not normal the LED displays P0 and the unit turns off Possible causes Wiring mistakes Faulty IPM board Faulty outdoor fan assemby Compressor malfunction Faulty outdoor PCB First test the resistance...

Страница 142: ...iring Reconnect the wiring No Are the reactor or inductance normal Are the reactor or inductance normal Yes Replace reactor or inductance Replace reactor or inductance No Is the connecting wire betwee...

Страница 143: ...voltage between L and N is normal Measure whether the voltage between L and N is normal Yes Measure whether input voltage of bridge rectifier is normal Measure whether input voltage of bridge rectifie...

Страница 144: ...working order Have T2 and T2B been reversed Is the connection between T2 and The PCB is in working order Have T2 and T2B been reversed Is the resistance of T2 normal according to Appendix 1 Is the re...

Страница 145: ...g properly Yes Ensure that the outdoor unit ventilate is functioning properly Ensure that the outdoor unit ventilate is functioning properly Is the heat exchanger dirty Is the heat exchanger dirty No...

Страница 146: ...ing diagrams Are the compressor discharge temperature sensor and PCB connected properly according to the wiring diagrams Measure the resistance value of compressor discharge temp sensor If the value i...

Страница 147: ...ween main board and the PFC module is connected tightly Check whether the connecting line between main board and the PFC module is connected tightly Yes Measure whether the voltage between P and N is...

Страница 148: ...onnected properly Check the signal wire between the Compressor driven chip and the main board is it connected properly Reconnect and retry Is the error still displayed Reconnect and retry Is the error...

Страница 149: ...essure protector broken Is the outdoor ambient temperature is higher than 50 Is the outdoor ambient temperature is higher than 50 No Stop the unit Stop the unit Yes Check if the outdoor unit ventilati...

Страница 150: ...blem still exist No Replace low pressure protector Replace low pressure protector No Is the low pressure protector broken Is the low pressure protector broken Is the outdoor ambient temperature too lo...

Страница 151: ...re whether the voltage between L and N is normal Measure whether the voltage between L and N is normal Yes Measure whether input voltage of bridge rectifier is normal Measure whether input voltage of...

Страница 152: ...and outlet or the heat exchanger of indoor and outdoor units Yes No Yes Yes Turn off the power supply and turn it on 10 minutes later Check if the temperature of compressor Top Is more than 90 No Che...

Страница 153: ...6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0...

Страница 154: ...2 489 5 234 9 35 35 78 75 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29...

Страница 155: ...3 Appendix 3 Normal voltage of P and N 208 240V 1 phase 3 phase 380 415V 3 phase In standby around 310VDC around 530VDC In operation With passive PFC module With partial active PFC module With fully a...

Страница 156: ...ireless Remote Controller 3 1 1RG51Q1 BGE General Function for wireless remote controller Model RG51Q1 BGE Rated voltage 3 0V 2pieces of LR03 7 batteries Min voltage for sending signal of CPU 2 4V Eff...

Страница 157: ...8 FAN SPEED Fan speed will be selected in following sequence once pressing this button 9 TIME ON For time ON setting Once pressing this button the time will increase by 0 5 hour When the set time exce...

Страница 158: ...Fan speedsetting SW IN G AIR DIRECT IO N R ese t 13 1 Adjust Decrease the set temperature Keeping pressing will decrease the temp with 1 per 0 5s 2 Adjust Increase the set temperature Keeping pressing...

Страница 159: ...gy This function is available on COOL HEAT or AUTO mode only NOTE While the unit is running under Energy saving mode it would be cancelled if press MODE FAN SPEED or ON OFF button 11 TIME OFF For time...

Страница 160: ...push this button 5 RESET inner located Once the recessed RESET button is pressed all of the current settings will be cancelled and the controller will return to the initial settings 6 AIR DIRECTION P...

Страница 161: ...time exceeds 10 hours pressing the button will increase the time by 1 hour Adjust the figure to 0 00 will cancel time ON setting 13 LOCK inner located Push this button to lock in all the current sett...

Страница 162: ...r each press If cancel this function just set it to 0 0 4 Follow me button When under cool heat and auto mode press this button follow me function is active Press again this function is ineffective 5...

Страница 163: ...oller 1 Operation mode indication When press MODE button the following mode can be selected in circle Auto Cool Dry Heat Fan only Auto Auto Cool Dry Heat Fan only Auto For cooling only model heat mode...

Страница 164: ...lation Notice When the air conditioner needs the constant frequency wire controller be sure adding a wire joint with 5 terminal named A B C D E in indoor unit and fixing an infrared emitter whose anod...

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Lennox LICH4012021T431E-1, Руководство по обслуживанию

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