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Wiring diagram 

Outdoor Units 

109 

U4MR

T

-

42, U4MRT-50, U4MRT-60

Содержание LCAC

Страница 1: ...SERVICE MANUAL english LCAC AIR CONDITIONING SYSTEMS...

Страница 2: ......

Страница 3: ...nformation 1 Part 2 Indoor Units 6 Part 3 Outdoor Units 97 Part 4 Installation 110 Part 5 Electrical Control System 144 The specifications designs and information in this book are subject to change wi...

Страница 4: ...ii General Information...

Страница 5: ...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 4...

Страница 6: ...Coo ling and he ating Four way cas sette compact Coo ling and he ating Console Coo ling and he ating Floor standing Coo ling and heat ing Floor standing Coo ling and he ating 1 2 Outdoor Units Univers...

Страница 7: ...External Ap pearance General Information 3 2 External Appearance 2 1 Indoor Units Super slim cassette Duct Compact Four way cassette Console Floor standing Floor standing Ceiling Floor...

Страница 8: ...External Appearance 4 General Information 2 2 Outdoor Units Single fan outdoor unit Double fan outdoor unit...

Страница 9: ...oor Units 6 Indoor Units Part 2 Indoor Units Super Slim Cassette Type 7 Duct Type 22 Ceiling Floor Type 39 Four way Cassette Type Compact 55 Console Type 64 Floor standing Type 75 Floor standing Type...

Страница 10: ...e Type 1 Features 8 2 Dimensions 11 3 Service Space 12 4 Air Velocity Distributions Reference Data 13 5 Electric Characteristics 16 6 Sound Levels 17 7 Accessories 18 8 The Specification of Power 19 9...

Страница 11: ...on motor is optional to increase the effect of fresh air 1 3 Optional ionizer generator Ionizer generator is optional to get refreshing air to your room Ionizer can be switched on or off by remote con...

Страница 12: ...r replace the draining pump 7 8 9 Built in draining pump to make sure condensed water drain out reliably 1 6 Terminals for alarm lamp and long distance on off controller connection are standard Reserv...

Страница 13: ...s 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 lam...

Страница 14: ...680 136 126 91 196 132 A A B A A B A A B A B Service ho le for draining pump Fresh air in take 75 55 80 80 4 install hanger Gas side Liquid side E parts box 135 90 Pa nel Body 92 92 92 92 D D 92 92 D...

Страница 15: ...Service Space 12 Indoor Units 3 Service Space 1000mm 1000mm 1000mm 1000m m...

Страница 16: ...Air Velocity Distributions Reference Data Indoor Units 13 4 Air Velocity Distributions Reference Data 24K Cooling Heating...

Страница 17: ...Air Velocity Distributions Reference Data 14 Indoor Units 36 42K Cooling Heating...

Страница 18: ...Air Velocity Distributions Reference Data Indoor Units 15 50 60K Cooling Heating...

Страница 19: ...Characteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA V4MCI 24 50 220 240 198 254 10 V4MCI 36 50 220 240 198 254 10 V4MCI 42 50 220 240 198 254 10 V4MCI 50 50 220 240 198 254 10 V4MCI...

Страница 20: ...Levels Indoor Units 17 6 Sound Levels 1 4m Microphone Model Noise Power dB A Noise level dB A H M L 62 46 42 39 65 56 52 48 64 52 40 47 65 55 51 48 69 52 49 46 V4MCI 24 V4MCI 36 V4MCI 42 V4MCI 50 V4M...

Страница 21: ...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 22: ...5 3 4 0 CIRCUIT BREAKER Fuse A 30 20 40 30 Indoor Outdoor Connecting Wiring Weak Electric Signal mm 2 2 0 2 2 0 2 Indoor Outdoor Connecting Wiring Strong Electric Signal mm 2 Model Btu h 42000 60000...

Страница 23: ...Field Wiring 20 Indoor Units 9 Field Wiring...

Страница 24: ...Wiring diagram Indoor Units 21 10 Wiring diagram V4MCI 24 V4MCI 36 V4MCI 42 V4MCI 50 V4MCI 60...

Страница 25: ...nits Duct Type 1 Features 23 2 Dimensions 26 3 Service Space 27 4 Static Pressure 28 5 Electric Characteristics 31 6 Sound Levels 32 7 Accessories 33 8 The Specification of Power 34 9 Field Wiring 35...

Страница 26: ...rear to the bottom in order to matching the installation condition 1 3 Fresh air intake function Optional for 18 60k Install one duct from the reserved fresh air intake to outdoor Continually inhale t...

Страница 27: ...mote on off and central control ports Reserved remote on off ports and central control ports can connect the cable of an on off controller or a central controller to realize remote on off control func...

Страница 28: ...of 10m The unit will realized remoter control The wired controller and the display board can display the error code or production code when the chips detect some failure 1 8 Twins Combination The uni...

Страница 29: ...take 25 Drain pipe 25 Drain pipe Note standard product without filter Unit mm Model Outline dimension mm Air outlet opening size Air return opening size Size of install hanger Size of refrigerant pipe...

Страница 30: ...Service Space Indoor Units 27 3 Service Space Ensure enough space required for installation and maintenance All the indoor units reserve the hole to joint the fresh air pipe The hole size as following...

Страница 31: ...Static Pressure 28 Indoor Units 4 Static Pressure V4MDI 12 V4MDI 18...

Страница 32: ...Static Pressure Indoor Units 29 V4MDI 24...

Страница 33: ...Static Pressure 30 Indoor Units V4MDI 36 V4MDI 42 V4MDI 50 V4MDI 60...

Страница 34: ...nit Power Supply Hz Voltage Min Max MFA V4MDI 12 50 220 240 198 254 16 V4MDI 18 50 220 240 198 254 10 V4MDI 24 50 220 240 198 254 10 V4MDI 36 50 220 240 198 254 10 V4MDI 42 50 220 240 198 254 10 V4MDI...

Страница 35: ...n Discharge Microphone 1 4m Concealed Duct Type Duct Duct Model Sound Power dB A Noise level dB A H M L V4MDI 12 59 42 38 35 V4MDI 18 57 44 40 37 V4MDI 24 60 44 42 38 V4MDI 36 64 46 43 40 V4MDI 42 68...

Страница 36: ...lation sheath 2 Binding tape 1 Seal sponge 1 Drainpipe Fittings for cooling heating Drain joint 1 Seal ring 1 Wired controller Its Frame Wired controller 1 Others Owner s manual 1 Installation manual...

Страница 37: ...RING mm2 3 2 5 3 2 5 3 4 0 CIRCUIT BREAKER Fuse A 20 16 30 20 40 30 Indoor Outdoor Connecting Wiring Weak Electric Signal mm2 2 0 2 2 0 2 Indoor Outdoor Connecting Wiring Strong Electric Signal mm2 4...

Страница 38: ...Wiring Diagram 36 Indoor Units 10 Wiring Diagram V4MDI 12 V4MDI 18 V4MDI 24 V4MDI 42 V4MDI 50 V4MDI 60...

Страница 39: ...Wiring Diagram Indoor Units 37...

Страница 40: ...g Floor Type 1 Features 40 2 Dimensions 41 3 Service Space 42 4 Electric Characteristics 43 5 Sound Levels 43 6 Air Velocity and Temperature Distributions Reference Data 44 8 Accessories 50 9 The Spec...

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

Страница 42: ...20 222 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 Btu h A C D V4MKI 18 V4MKI 24 1068 675 235 983 V4MKI 36...

Страница 43: ...Service Space 42 Indoor Units 3 Service Space...

Страница 44: ...36 50 220 240 198 254 10 V4MKI 42 50 220 240 198 254 10 V4MKI 50 50 220 240 198 254 10 V4MKI 60 50 220 240 198 254 10 Note MFA Max Fuse Amps A Sound Level 5 Microphone 1m 1m Air outlet side 1 5m 1m Mi...

Страница 45: ...city and Temperature Distributions Reference Data 44 Indoor Units 6 Air Velocity and Temperature Distributions Reference Data Model V4MKI 18 V4MKI 24 Ceiling installation Discharge angle 17 Discharge...

Страница 46: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 45 Floor installation Discharge angle 17 Discharge angle 50...

Страница 47: ...Air Velocity and Temperature Distributions Reference Data 46 Indoor Units Model V4MKI 36 Ceiling installation Discharge angle 17 Discharge angle 50...

Страница 48: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 47 Floor installation Discharge angle 17 Discharge angle 50...

Страница 49: ...Air Velocity and Temperature Distributions Reference Data 48 Indoor Units Model V4MKI 42 V4MKI 50 V4MKI 60 Ceiling installation Discharge angle 17 Discharge angle 50...

Страница 50: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 49 Floor installation Discharge angle 17 Discharge angle 50...

Страница 51: ...OOR UNIT POWER Phase 1 phase 1 phase 1 phase Frequency and Voltage 220 240V 50Hz 220 240V 50Hz POWER WIRING mm2 3 2 5 3 4 0 CIRCUIT BREAKER Fuse A 30 20 40 30 Indoor Outdoor Connecting Wiring Weak Ele...

Страница 52: ...Wiring Diagram Indoor Units 51 10 Field Wiring...

Страница 53: ...Wiring Diagram 52 Indoor Units 11 Wiring diagram V4MKI 18...

Страница 54: ...Ceiling Floor Type Indoor Units 53 V4MKI 36 V4MKI 24...

Страница 55: ...Wiring Diagram 54 Indoor Units...

Страница 56: ...ity and Temperature Distributions Reference Data 59 5 Electric Characteristics 60 6 Sound Levels 60 7 Accessories 61 8 The Specification of Power 61 9 Field Wiring 62 10 Field Wiring 63 1 Dimensions 9...

Страница 57: ...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 58: ...s 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 parts box...

Страница 59: ...Service Space 58 Indoor Units 3 Service Space...

Страница 60: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 59 4 Air Velocity and Temperature Distributions Reference Data Airflowvelocity Temperature...

Страница 61: ...s Model Indoor Units Power Supply Hz Voltage Min Max MFA V4MCRI 12 50 220 240 198 254 20 V4MCRI 18 50 220 240 198 254 20 Note MFA Max Fuse Amps A 6 Sound Levels 1 4m Microphone Model Noise Power dB A...

Страница 62: ...T2 9 10 C H 2 Remote controller 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 acce...

Страница 63: ...Wiring Diagram 62 Indoor Units 9 Field Wiring V4MCRI 12 V4MCRI 18...

Страница 64: ...Field Wiring Indoor Units 63 10 Field Wiring V4MCRI 12 V4MCRI 18...

Страница 65: ...Features 65 2 Dimensions 67 3 Service Space 68 4 Air Velocity and Temperature Distributions Reference Data 69 5 Electric Characteristics 70 6 Sound Levels 71 7 Accessories 72 8 The Specification of Po...

Страница 66: ...d bottom to make quick cooling When the A C is just switched on or room temp is still high cold air will be blown out from top and bottom air outlet to cool down the room quickly Air outlet from top t...

Страница 67: ...ed in a high position the lower louver closed 1 4 Four air inlets 1 5 Low noise DC indoor fan motor which has five speeds Low noise and energy saving Advanced centrifugal fan technology makes a fast a...

Страница 68: ...Console Type Console Type 67 2 Dimensions 16 Drain pipe 195 Hanging arm Unit mm 700 600 210...

Страница 69: ...Console Type 68 Console Type 3 Service Space...

Страница 70: ...Console Type Console Type 69 4 Air Velocity and Temperature Distributions Reference Data Discharge angle 60 Airflow velocity Temperature...

Страница 71: ...Console Type 70 Console Type 5 Electric Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA V4MLI 12 V4MLI 18 50 220 240 198 254 16...

Страница 72: ...Console Type Console Type 71 6 Sound Levels 1 5m 1m Microphone Model Noise Power dB A Noise level dB A H M L V4MLI 12 V4MLI 18 58 47 41 35...

Страница 73: ...n fittings Hook 2 Remote controller Its Frame Remote controller 1 Frame 1 Mounting screw ST2 9 10 C H 2 Alkaline dry batteries AM4 2 Others 1 l a u n a m n o i t a l l a t s n I Owner s manual 1 18000...

Страница 74: ...Console Type Console Type 73 9 Field Wiring V4MLI 12 V4MLI 18...

Страница 75: ...Console Type 74 Console Type 10 Field Wiring V4MLI 12 V4MLI 18...

Страница 76: ...g Type 75 Floor standing Type 1 Features 76 2 Dimensions 77 3 Service Space 78 4 Wiring Diagrams 79 5 Electric Characteristics 80 6 Sound Levels 81 7 Accessories 82 8 The Specification of Power 83 9 F...

Страница 77: ...touch buttons make the operation easy clear and precise 1 4 Comfortable Air Flow Long distance air supply 3D air distribution Vertical and horizontal louvers auto swing optional 1 5 Fresh Air Optiona...

Страница 78: ...Dimensions Floor standing Type 77 2 Dimensions H W D Dimension Model W mm D mm H mm V4MFI 24 500 315 1700...

Страница 79: ...Service Space 78 Floor standing Type 3 Service Space...

Страница 80: ...Wiring Diagrams Floor standing Type 79 4 Wiring Diagrams V4MFI 24...

Страница 81: ...Electric Characteristics 80 Floor standing Type 5 Electric Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA V4MFI 24 50 220 240V 198V 254V 10 Note MFA Max Fuse Amps A...

Страница 82: ...Sound Levels Floor standing Type 81 6 Sound Levels 1m 1m Microphone Model Sound Power Level dB A Noise level dB A H M L V4MFI 24 63 49 5 46 43 5...

Страница 83: ...ion Sleeves 2 6 Seal 1 7 Drain joint 1 8 Pipe hole protection Ring 1 9 Remote Battery 2 10 Remote Controller 1 11 Remote controller manual 1 12 User s manual 1 13 Installation manual 1 14 Remote contr...

Страница 84: ...uency and Voltage 220 240V 50Hz POWER WIRING mm 2 3 1 0 CIRCUIT BREAKER Fuse A 15 10 OUTDOOR UNIT POWER Phase 1 phase Frequency and Voltage 220 240V 50Hz POWER WIRING mm2 3 2 5 CIRCUIT BREAKER Fuse A...

Страница 85: ...Field Wiring 84 Floor standing Type 9 Field Wiring...

Страница 86: ...Wiring diagram Floor standing Type 85 10 Wiring diagram V4MFI 24...

Страница 87: ...ding Type 1 Features 87 2 Dimensions 88 3 Service Space 89 4 Air Velocity and Temperature Distributions Reference Data 90 5 Electric Characteristics 91 6 Sound Levels 92 7 Accessories 93 8 The Specifi...

Страница 88: ...ir outlet louver of the unit can be closed manually to prevent the dust falling in 1 3 Simple and bright panel Adopts simple and bright style panel Floor Standing series are suitable for most differen...

Страница 89: ...Dimensions 88 Floor standing Type 2 Dimensions Dimension Mode W mm D mm H mm V1MFI 50B V1MFI 66B 610 390 1925...

Страница 90: ...Service Space Floor standing Type 89 3 Service Space...

Страница 91: ...Air Velocity and Temperature Distributions Reference Data 90 Floor standing Type 4 Air Velocity and Temperature Distributions Reference Data Model 50 66K Airflow velocity Temperature...

Страница 92: ...Electric Characteristics Floor standing Type 91 5 Electric Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA V1MFI 50B V1MFI 66B 50 380 420V 342V 440V 16 Note MFA Max Fuse Amps A...

Страница 93: ...Sound Levels 92 Floor standing Type 6 Sound Levels 1m 1m Microphone Model Sound Power Level dB A Noise level dB A H M L V1MFI 50B V1MFI 66B 67 59 53 47...

Страница 94: ...elf tapping Screw 3 9 25 2 3 Flat Washers 2 4 Bushing Sleeve Cover 1 5 Sound Heat Insulation Sleeves 2 6 Seal 1 7 Drain joint 1 8 Pipe hole protection Ring 1 9 Remote Battery 2 10 Remote Controller 1...

Страница 95: ...3 phase Frequency and Voltage 380 420V 50Hz Power Wiring mm 2 5 1 5 Circuit Breaker A 16 OUTDOOR UNIT POWER Phase 3 phase Frequency and Voltage 380 420V 50Hz Power Wiring mm 2 5 2 5 Circuit Breaker A...

Страница 96: ...Field Wiring Floor standing Type 95 9 Field Wiring...

Страница 97: ...Field Wiring 96 Floor standing Type 10 Field Wiring V1MFI 50B V1MFI 66B...

Страница 98: ...rature Distributions Reference Data 59 5 Electric Characteristics 60 6 Sound Levels 60 7 Accessories 61 8 The Specification of Power 61 9 Field Wiring 62 10 Field Wiring 63 1 Dimensions 99 2 Service S...

Страница 99: ...Dimensions Outdoor Units 99 1 Dimensions W H W1 A B D 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 42 946 410 810 1030 673 403...

Страница 100: ...Dimensions 100 Outdoor Units Model KBtu h Unit mm W D H W1 A B 50 60 952 415 1333 1045 634 404...

Страница 101: ...Service Space Outdoor Units 101 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 102: ...Evaporator temp sensor middle Accumulator Electronic expansion valve CAPILIARY TUBE U4MRS 36 U4MRT 42 U4MRT 50 U4MRT 60 LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER Compressor...

Страница 103: ...4 Electric Characteristics U4MRS 12 U4MRS 18 U4MRS 24 U4MRS 36 U4MRT 42 U4MRT 50 U4MRT 60...

Страница 104: ...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 105: ...6 Sound Levels H 1 0m Outdoor Unit Microphone Note H 0 5 height of out door unit Model Noise Power dB A Noise level dB A U4MRS 12 60 57 U4MRS 18 64 56 5 U4MRS 24 65 60 5 U4MRS 36 66 61 U4MRT 42 71 63...

Страница 106: ...Wiring diagram 106 Outdoor Units 7 Wiring diagram U4MRS 12 U4MRS 18...

Страница 107: ...Wiring diagram Outdoor Units 107 U4MRS 24 U4MRS 36...

Страница 108: ...Wiring diagram Outdoor Units 109 U4MRT 42 U4MRT 50 U4MRT 60...

Страница 109: ...unit installation 113 4 Outdoor unit installation Side Discharge Unit 130 5 Refrigerant pipe installation 131 6 Drainage pipe installation 135 7 Vacuum Drying and Leakage Checking 139 8 Additional ref...

Страница 110: ...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 111: ...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 112: ...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 113: ...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 114: ...g 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 hoo...

Страница 115: ...r 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 Th...

Страница 116: ...Btu Size of outline dimension mounted plug L M 12 740 350 18 24 960 350 36 60 1240 500 3 2 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions sh...

Страница 117: ...hexangular nuts on the four installation 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 3 2 5 Install the air filter...

Страница 118: ...hed seal sponge as per the indicating place in the following fig and then change the mounting positions of air return panel and air return flange When install the filter mesh please plug it into flang...

Страница 119: ...ice space for indoor unit 3 3 2 Bolt pitch Ceiling installation Capacity KBtu h D E 18 24 983 220 36 60 1565 220 Wall mounted installation 3 3 3 Install the pendant bolt Ceiling installation Select th...

Страница 120: ...ible hooks fittings Wall mounted installation Install the tapping screws onto the wall Refer to picture below 3 3 4 Install the main body Ceiling installation The only installation method for the unit...

Страница 121: ...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 122: ...n 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 fit...

Страница 123: ...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 124: ...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 wi...

Страница 125: ...door unit installation 3 7 7 Service space for indoor unit 3 7 8 Install the main body Fix the hook with tapping screw onto the wall Hang the indoor unit on the hook The bottom of body can touch with...

Страница 126: ...xposed to direct sunlight f In the center of the room where possible 3 6 1 1 Please stand the unit in hard and flat ground Please reserve space for installation and maintenance 3 6 2 Installing 3 6 2...

Страница 127: ...a A place which provides the spaces around the indoor unit as required above in the diagram b A place where is no obstacle near the inlet and outlet area c A place which can bear the weight of the ind...

Страница 128: ...nting the air inlet grid Please take off the air inlet grid before connecting the pipes wires The grid is hitched by a loop inside To dismount the air inlet grid hold both sides of the grid and pull i...

Страница 129: ...allation 4 Outdoor unit installation Side Discharge Unit 4 1 Service space for outdoor unit More than 60cm More than 30cm More than 60cm More than 200cm Air inlet Air inlet More than 30cm Air outlet W...

Страница 130: ...firmly to prevent it from collapsing in case of earthquake or strong wind 5 Refrigerant pipe installation 5 1 Maximum pipe length and height drop Considering the allowable pipe length and height drop...

Страница 131: ...the pipes so that it can pass the wall smoothly 5 2 9 Bind and wrap the wire together with the insulated pipe if necessary 5 2 10 Set the wall conduit 5 2 11 Set the supporter for the pipe 5 2 12 Loc...

Страница 132: ...er 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 30 7 36 8 42 10 48 12 60 14...

Страница 133: ...ng 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 Wa...

Страница 134: ...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 135: ...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 136: ...mHg 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 vacuu...

Страница 137: ...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 138: ...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 139: ...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 140: ...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 141: ...Electrical Control System 144 Electrical Control System Part 5 Electrical Control System 1 Electrical Control Function 145 2 Troubleshooting 155 3 Controller 184...

Страница 142: ...w ly B N orm al A Frequency holding Frequency lim it2 T5 C om pressor off Frequency lim it N orm al Frequency holding 1 2 3 Sensor protection at open circuit and breaking disconnection 1 2 5 Indoor fa...

Страница 143: ...louver operates same as in cooling mode 4 Auto fan a b c d 5 0 4 0 2 5 1 0 6 0 T 1 2 4 e H H L 0 7 5 L H L 0 5 L H L 0 2 5 L L 1 3 2 Cooling Mode 1 3 2 1 Outdoor fan running rules The outdoor unit wi...

Страница 144: ...Setting fan speed Actual fan speed H H H G A H H B C M M M Z D M M M E F L L L D G L L L H I T1 Td F L L L L D H H H H G M M M M Z The auto fan acts as below rules a b c d T1 Td e H H L 0 75 L H L 0 5...

Страница 145: ...esume Off Decrease Hold 1 3 3 Heating Mode 1 3 3 1 Outdoor fan running rules 12K T 4 A A F re q u e n cy lin ka g e a re a Frequency linkage area Frequency of compressor operation B C A A 18 60K T 4 E...

Страница 146: ...AC will enter the defrosting mode After the compressor starts up and keeps running mark the minimum value of T3 from the 10th minutes to 15th minutes as T30 1 If the compressor cumulate running time...

Страница 147: ...Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minu...

Страница 148: ...speed Anti cold wind function has the priority 1 3 7 3 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode but doesn t turns off but for console the unit will turn off 1 3 7 4...

Страница 149: ...eless remote controller but buzzer will not respond When the PCB receives turning off follow me signal from wired remote controller the unit will quit follow me function at once The follow me function...

Страница 150: ...limit caused by current Bit0 Frequency limit caused by voltage 16 DC fan motor speed 0 Off 1 Turbo 2 High 3 Medium 4 Low 5 Breeze 6 Supper breeze 17 IGBT radiator temp The display value is between 0...

Страница 151: ...used by current 1 Frequency limit caused by T2 in cooling 2 Frequency limit caused by T2 in heating 3 Reach to the setting temperature 4 Frequency limit caused by T4 5 Defrosting 6 Mode switching 7 Hi...

Страница 152: ...xplanation on indoor display board Duct OPERATION TIMER DEF FAN ALARM Temporary button Operation lamp Timer indicator Infrared signal receiver Alarm indicator PRE DEF indicator cooling and heating typ...

Страница 153: ...roubleshooting 156 Electrical Control System 2 1 5 Icon explanation on indoor display board Compact cassette 2 1 6 Icon explanation on indoor display board Console 2 1 7 Display board of Floor standin...

Страница 154: ...Troubleshooting Electrical Control System 157 2 1 8 Display board of Floor standing...

Страница 155: ...on X off flash at 2Hz For other type 12K Malfunction Error Code Timer Lamp Operation Lamp flashes Indoor EEPROM malfunction E0 X 1 Communication malfunction between indoor and outdoor units E1 X 2 In...

Страница 156: ...or free match indoor units P5 Sensor of outdoor IGBT is faulty P7 For other type 18K 60K Malfunction Error Code Timer Lamp Operation Lamp flashes Indoor EEPROM malfunction E0 X 1 Communication malfunc...

Страница 157: ...ction P1 2 High temperature protection of top of compressor P2 3 Too low ambient temperature protection P3 4 Error rotor position protection of compressor P4 5 Mode conflict For free match indoor unit...

Страница 158: ...ection P1 Voltage protection too high or too low P3 Protection of ultra low ambient temperature P4 Rotor position protection of compressor J0 High temperature protection of indoor heat exchanger in he...

Страница 159: ...4 1 1 Open or short circuit of temperature sensor Check the connections between temperature sensor and PCB Are the connections good Correct the connections No Yes No Replace the sensor Replace the ind...

Страница 160: ...al Control System 163 2 4 1 3 Indoor EEPROM malfunction EEPROM An electrically erasable programmable read only memory whose contents can be erased and reprogrammed using a pulsed voltage 2 4 1 4 Water...

Страница 161: ...n the unit is in standby measure the voltage of pin1 pin3 pin4 pin3 in fan motor connector If the value of the voltage is not in the range showing in below table the PCB must have problems and need to...

Страница 162: ...there any leakage Especially the connection parts such as the gas valve and the liquid valve No Shut off the power supply and turn it on 2 minutes later Is it still displaying the error code Replace i...

Страница 163: ...ubleshooting 166 Electrical Control System 2 4 2 For the super slim cassette with up down panel 2 4 2 1 Communication error between indoor unit and up down panel 2 4 2 2 Up down panel is defective F7...

Страница 164: ...uct 2 4 3 1 Communication malfunction between master unit and indoor unit 2 4 3 2 Other malfunction between master unit and indoor unit One indoor unit displays E9 which means another indoor unit is f...

Страница 165: ...4 4 1 F4 malfunction Outdoor EEPROM malfunction E0 display Yes Replace the outdoor main PCB Power off then restart the unit 2 minutes later EEPROM An electrically erasable programmable read only memo...

Страница 166: ...Troubleshooting Electrical Control System 169 2 4 4 2 E1 malfunction For current loop communication...

Страница 167: ...wire Yes Yes Replace the signal wire Yes Pull out and insert back No No Replace indoor main PCB is the error distinguished Yes Replace the outdoor Main PCB No Check whether there s any interference S...

Страница 168: ...Troubleshooting Electrical Control System 171 2 4 4 3 J4 malfunction J4...

Страница 169: ...outdoor ambient temperature sensor T4 Check whether the wiring of the outdoor ambient temperature sensor T4 is broken off Check whether the resistance of outdoor ambient temperature sensor T4 is wrong...

Страница 170: ...L and N is normal Yes Measure whether input voltage of bridge rectifier is normal Yes No No Measure whether the voltage between P and N is normal refer to the Appendix 3 Replace the bridge rectifier N...

Страница 171: ...Troubleshooting 174 Electrical Control System 2 4 4 6 F5 malfunction The same as E3 in indoor 2 4 4 7 J5 malfunction J5...

Страница 172: ...outdoor main board No Replace low pressure protector No Whether the low pressure protector is broken Check whether the outdoor ambient temperature is too low No Stop the unit Yes Open fully valve cor...

Страница 173: ...No Yes Replace the PFC module If has No Measure whether the voltage between P and N is normal refer to the Appendix 3 Replace the bridge rectifier No Check whether bridge rectifier is normal Check the...

Страница 174: ...ischarge temp is more than 115 C Check whether the connection is right between compressor discharge temp sensor and PCB according to wiring diagrams Measure the resistance value of compressor discharg...

Страница 175: ...No Check whether the outdoor ambient temperature is higher than 50 No Stop the unit Yes Check if the outdoor unit ventilation is good Yes Make the outdoor unit ventilate well Check whether the heat ex...

Страница 176: ...Yes Replace the PFC module If has No Measure whether the voltage between P and N is normal refer to the Appendix 3 Replace the bridge rectifier No Check whether bridge rectifier is normal Check the wi...

Страница 177: ...Troubleshooting 180 Electrical Control System 2 4 4 13 J0 malfunction J0...

Страница 178: ...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 179: ...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 15...

Страница 180: ...3 Appendix 3 Normal voltage of P and N 208 240V 1 phase 3 phase 380 420V 3 phase In standby around 310VDC around 530VDC In operation With passive PFC module With partial active PFC module With fully a...

Страница 181: ...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 182: ...air conditioner 8 FAN SPEED Fan speed will be selected in following sequence once pressing this button AUTO LOW MED HIGH 9 TIME ON For time ON setting Once pressing this button the time will increase...

Страница 183: ...on Fan speedse tting SWING AIR DIRECTION Res et 13 1 Adjust Decrease the set temp Keeping pressing will decrease the temp with 1 per 0 5s 2 Adjust Increase the set temp Keeping pressing will increase...

Страница 184: ...ture and save energy 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...

Страница 185: ...automatically if 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...

Страница 186: ...hour When the set 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 al...

Страница 187: ...h increasement after 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 functio...

Страница 188: ...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 189: ...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...

Страница 190: ...Scan here to download the latest version of this manual LCAC AIR CONDITIONING SYSTEMS...

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