ACPro AC Pro C Series Installation Instructions Manual Download Page 69

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Technical Information

Replace the outdoor mainboard

YES

F5 Malfunction of Wired Controller Temperature Sensor

H6 Malfunction of Outdoor Fan Motor

Replace the outdoor fan motor and

then restart the unit to see if there

still is malfunction of outdoor fan

motor

Malfunction of outdoor fan motor

Correctly connect the

control wire of fan

motor on the mainboard

Operate the unit with

the new motor

Check if the control wire of

outdoor fan motor is connected on

the outdoor mainboard correctly

YES

Malfunction of wired controller

temperature sensor

Replace the wired

controller

Summary of Contents for AC Pro C Series

Page 1: ...AC Pro C D F Series 18 48k BTU Installation Instructions Models AUHD18ND3FO AUHD24ND3FO AUHD30ND3FO AUHD36ND3FO AUHD42ND3FO AUHD48ND3FO Refrigerant R410A...

Page 2: ...2 Installation Site 2 3 Caution for Installation 2 4 Dimension Data Table of Contents 3 Refrigeration Piping work 3 1 Refrigeration Piping Work Procedures and Caution in Connecting 3 2 Specification o...

Page 3: ...communication wire is correct otherwise it may lead to communication malfunction 2 The signal wires and communication wires of wired controller should be separated from power cord and connection wire...

Page 4: ...rocedures of wired controller are as shown in Figure 2 5 2 Figure 2 5 2 Installation of wired controller Brief instructions of installation procedure 1 Pull out the 2 core signal wire in the installat...

Page 5: ...l memory chip PF Malfunction of electric box sensor H3 Compressor overload protection H4 Overload protection H5 IPM protection H6 Malfunction of DC fan motor H7 Drive desynchronizing protection HC PFC...

Page 6: ...7 1 2 Outline Drawing of Press Buttons 34 When there is a malfunction during operation error will be displayed on the temperature displaying zone of LCD When several malfunctions occur at the same tim...

Page 7: ...tion to Symbols on the LCD U Match Series DC Inverter Service Manual 9 Thu 4 12 It is used for the switchover between unit 4and unit 12 Under the timing or clock setting status it indicates Thursday 1...

Page 8: ...lashing for on or else for off 10 Error Child lock It displays the error codes when some error s arises and also CHILD LOCK when this function is activated 7 1 4 3 NetworkTopology Network Connection o...

Page 9: ...to this interface 2 Electrical characteristic none 3 Working principle when the card is inserted this interface is short circuited when the card is not inserted this interface is cut off Connect the d...

Page 10: ...e connected the unit will control the ON OFF of unit ac detection board When the card is not connected the unit controller icon will be displayed on the wired controlle If the unit is without wired co...

Page 11: ...ower failure The detailed setting is as shown in the Figure below U Match Series DC Inverter Service Manual Table 2 7 3 Door control wiring port No Terminal name Terminal instruction 1 CN1 CN1 wiring...

Page 12: ...setting method is Under off state of the unit press Function and Timer buttons at the same time for 5s to go to the debugging menu Press Mode button to adjust to 10 in temperature displaying zone Time...

Page 13: ...ing value will be memorized after power failure The detailed setting is as shown in the Figure below 2 Address setting of each unit when the address mode is set to be long distance control address mod...

Page 14: ...only one of them can be selected 2 255 sets of unit in maximum can be connected in the same network the unit addresses in the same network must be different otherwise the unit control will be affected...

Page 15: ...5s to enter setting interface of wired controller address LCD displays address sequence Press or button to adjust the address sequence and then press Enter Cancel button to confirm The setting value w...

Page 16: ...s controller When the address is set the wired controller can be removed and connect the centralized controller to the indoor main board Then connect the required units to realize centralized control...

Page 17: ...nction instructions When the user needs centralized control over several units malfunction signals can be connected to control room through this malfunction output interface The user can indicate the...

Page 18: ...t If malfunction light is connected please make sure its power is not too big it should be within 10W otherwise the relay on main board will be burnt 3 Setting method Do not need to set this function...

Page 19: ...iliary heating board 22 Interface of outdoor unit 23 Interface of wired controller 24 Monitor interface 25 Ambient temperature sensor Figure 2 7 16 Table 2 7 4 Corresponding interfaces of main board N...

Page 20: ...L X501 V NEW CLOSE X2 V NEW OPEN X1 AC N X500 HEALTH X4 N2 X6 DC MOTOR1 Figure 2 7 18 7 2 8 Interface of anion generator For the cold plasma anion generator connect the red line to HEALTH X4 and the...

Page 21: ...ric heating belt can be equipped on the chassis to prevent freezing of the chassis U Match Series DC Inverter Service Manual 51 7 2 9 Chassis electric heating belt of outdoor unit is optional When out...

Page 22: ...possible explosion or fire due to leakage 1 1 2 Installation Site Ensure the top hanging piece has strong strength to withstand the weight of the unit The drainage pipe has convenient flow of water T...

Page 23: ...fix it Level inspection of the indoor unit After the indoor unit is installed it is required to check the level of the whole unit The unit must be placed horizontally but the condensate pipe shall be...

Page 24: ...n 1 1 4 Dimension Data 55 Figure 3 1 5 1 1 4 Dimension Data For the units 18k For the units 24k 42k U Match Series DC Inverter Service Manual For the units 48k A B C D E F G H I J Figure 3 1 6 Table 3...

Page 25: ...nnector on indoor unit Insulation materials for liquid pipe 1 Used for liquid pipe connector on indoor unit Insulation materials for drainage pipe 2 Used for wrapping the condensate pipe and rubber pl...

Page 26: ...ondensation Problems with the piping may lead to water leaks 1 Install the drain hose with downward gradient 1 50 to 1 100 and no risers or traps are used for the hose Figure 3 1 8 2 Be sure there is...

Page 27: ...tioned d The drain hose for the unit with the condensate pump should be arranged as shown in the figure below U Match Series DC Inverter Service Manual Drain hose insulation Drain port Insulated drain...

Page 28: ...in the figure below U Match Series DC Inverter Service Manual 0 1000mm 0 39 3 8inch 1 7 8 T joint converging drain pipes T joint converging drain pipes Figure 3 1 17 1 1 7 Installation of air duct Dim...

Page 29: ...Air Intake Pipe 6 Main Air Supply Pipe 3 Canvas Air Pipe 7 Air Supply Outlet 4 Air Intake CAUTION 1 The maximum length of the duct means the maximum length of the supply air duct plus the maximum leng...

Page 30: ...he metal section of the building make sure that the electrical insulation must comply with applicable standards Ensure that the place of installation is far from the area where the inflammable or expl...

Page 31: ...ipe can be easily installed 5 The space from the unit to the ceiling should be kept as much as possible so as for more convenient service 1 2 3 Indoor Unit Installation 1 Determine the location of the...

Page 32: ...Match Series DC Inverter Service Manual 64 3 Firstly unfix two buckles on the grille as shown on the picture Remove the screws under the buckles by a screwdriver and then open the inlet grille Remove...

Page 33: ...ght of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother 1 2 4 Leveling The water level test must be done after installing the indoor unit to make...

Page 34: ...1634 64 3 8 280 11 700 27 1 2 1 2 6 Drain Piping Work 1 2 6 1 Precautions When Doing the Piping Work 1 Keep piping as short as possible and slope it downwards at a gradient of at least 1 100 so that...

Page 35: ...late the pipe clamp and the drain hose using heat insulation sponge Figure 3 1 35 a Metal clamp b Insulation sponge Note Step 1 to Step 3 have been finished by the manufacturer 4 When drain hose requi...

Page 36: ...el is correct and the machine is in good condition Please also check if the specification and quantity of accessory parts are correct Determine the correct handling route and methods thus to avoid dam...

Page 37: ...approval 1 Obstruct should be put away from the intake or outlet vent of the indoor unit so that the airflow can be blown through all the room 2 Make sure that the installation meets the requirement o...

Page 38: ...at four directions If not the water pump and the float switch would function improperly and even lead to water leakage 5 Remove the gasket anchor board and tighten the nut remained 6 Remove the paper...

Page 39: ...cting pipe Figure 3 1 44 2 Place the panel at the unit and latch the hooks beside and opposite the swing flap motor 3 Latch other two hooks 4 Tighten four hexagonal screws under the latches about 15mm...

Page 40: ...position Hook Swing flap motor Indoor unit Ceiling Air outlet Panel Indoor unit Figure 3 1 45 7 Improper screwing of the screws may cause the troubles shown in Figure 3 1 46 Air leak Condensate Figure...

Page 41: ...e swing flap motor as shown in Figure 3 1 48 1 3 7 Dimension Data U Match Series DC Inverter Service Manual 73 9 Wire the swing flap motor as shown in Figure 3 1 48 Connect them to the main body accor...

Page 42: ...le Insulating tube commercially available Indoor unit drain hose Insulating tape accessory Figure 3 1 50 74 Unit mm inch Item Model A B C D E F G H I GKH24D3FI 950 37 3 8 840 33 1 8 780 30 3 4 680 26...

Page 43: ...p Drain hose accessory Grey tape accessory 3 When unifying multiple drain pipes install the pipes as Figure 3 1 51 Select converging drain pipes whose gauge is suitable for the operating capacity of t...

Page 44: ...Doing Riser Piping Work 1 Make sure that heat insulation work is executed on the following 2 spots to prevent any possible water leakage due to dew condensation 1 Connect the drain hose to the drain...

Page 45: ...OOL running Drain hose Test hole cover Test hole Immiting water from the rest hole Plastic water pot The length of the pipe should be about 100mm 3 7 8inch Immiting water from the outlet vent terminal...

Page 46: ...warm air 5 Take the air conditioner weight into account and select a place where noise and vibration are small 6 Install the outdoor unit where is capable of withstanding the weight of the unit and g...

Page 47: ...s 2 4 Dimension Data 79 To install the drainage pipe please insert the drainage joint to the drainage hole on the outd ssis and connect a drainage pipe on the drainage joint The installing height of o...

Page 48: ...y bent or stretched the material will harden making it difficult to bend or 80 1 Cut the connection pipe with the pipe cutter and remove the burrs 2 Hold the pipe downward to prevent cuttings from ent...

Page 49: ...as been tightened properly too tight would mangle the nut and lead to leakage Examine the connection pipe to see if it leaks then take the treatment of heat insulation as shown in the Figure 3 3 4 Use...

Page 50: ...e 3 3 6 3 1 7 Vacuum and Gas Leakage Inspection Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation There is no extra refrigerant in the outdoor unit for air purgin...

Page 51: ...ump Cap Service pipe Cap Connection pipe Figure 3 3 7 Note For the large sized unit it has the service port for both the gas valve and the liquid valve During evacuation it is available to connect two...

Page 52: ...s 3 2 Specification of Connection Pipe Table 3 3 3 Model Item Size of Fitting Pipe mm inch Max Pipe Length m feet Max Height Difference between Indoor Unit and Outdoor Unit Drainage pipe Outer Diamete...

Page 53: ...rning of the electric parts 3 Erroneous wiring may cause burning of the electric parts 4 Connect the connection cords firmly to the terminal block Imperfect installation may cause a fire 5 Always fast...

Page 54: ...e ground wire 4 Electric wiring between the indoor and outdoor units Duct Type Unit Single phase units 18k 30k Single phase units 36k 48k 4 Electric wiring between the indoor and outdoor units DuctTyp...

Page 55: ...tch Series DC Inverter Service Manual Cassette Type Unit Single phase units 18k Single phase units 24k 30k Single phase units 36k 42k CassetteType Unit Single phase units 18k Single phase units 24k 30...

Page 56: ...over L1 L2 F C O H1 H2 1 2 Figure 3 4 5 The F C O connect to the COMMOM CLOSE and OPEN terminal of the fresh air valve respectively Cassette Type Unit For the units 18k 42k 5 Electric wiring of indoor...

Page 57: ...gs at different electric box covers Do not bundle the connection wire of the wired controller and the communication cord together or arrange them in parallel otherwise improper operation would occur C...

Page 58: ...unication cord and the power cable into the terminal board Single phase U Match Series DC Inverter Service Manual 92 The high voltage and low voltage lines should be fixed separately and securely with...

Page 59: ...matically Refrigerant lacking protection If the unit reports system refrigerant lacking within 10min after turning on the unit the unit will stop operation If the fault occurs successively 3 times the...

Page 60: ...the error code is displayed and the indoor unit can work normally 11 F3 Malfunction of outdoor ambient temperature sensor Outdoor ambient temperature sensor If the outdoor ambient temperature sensor...

Page 61: ...irection changing malfunction of 4 way valve 4 way valve After the compressor starts operation in heating mode if the outdoor unit detects the difference between evaporator temperature and indoor ambi...

Page 62: ...PM or PFC temperature sensor error P7 P7 Compressor current protection P5 P5 DC busbar under voltage protection PL PL Compressor startup failure Lc Lc Drive module reset P0 P0 Compressor motor desynch...

Page 63: ...er than 4 2Mpa 609 psig Check if the liquid valve and gas valve of outdoor unit open completely Check if the wiring of high pressure switch is corrected Replace the outdoor mainboard NO Check if the a...

Page 64: ...and then cancel the refrigerant lacking protection mode Check if the liquid and gas valve of outdoor unit is open completely E3 protection Check if the system low pressure is lower than 0 05MPa 7 252...

Page 65: ...ceeds 115 C 239 F YES Check if the discharge temperature sensor is normal Replace the discharge temperature sensor Replace the outdoor main control board E6 Communication Malfunction Check if the outd...

Page 66: ...lfunction of Indoor AmbientTemperature Sensor Disconnect the temperature sensor and measure if its resistance is normal Malfunction of indoor ambient temperature sensor Correctly insert the temperatur...

Page 67: ...temperature sensor on the needle stand F2 Malfunction of CondenserTemperature Sensor Disconnect the temperature sensor and measure if its resistance is normal Malfunction of condensor temperature sen...

Page 68: ...the needle stand Replace the temperature sensor Check if the discharge temperature sensor on mainboard is inserted on the needle stand correctly YES NO NO Replace the outdoor mainboard YES Disconnect...

Page 69: ...art the unit to see if there still is malfunction of outdoor fan motor Malfunction of outdoor fan motor Correctly connect the control wire of fan motor on the mainboard Operate the unit with the new m...

Page 70: ...r Check if the control wire of indoor fan motor is connected on the outdoor mainboard correctly YES NO NO 2 2 Troubleshooting Flow Chart of Drive Malfunction Note For Outdoor Unit Drive Inverter by Si...

Page 71: ...module P8 is displayed in the mainboard 88 Indicating lamp NO YES PH DC busbar over voltage protection PL DC busbar under voltage protection Replace the compressor Is input voltage ranged from 185VAC...

Page 72: ...8 indicating lamp NO YES P5 Compressor current protection H7 Compressor motor desynchronizing H5 IPM protection Ld Phase loss Replace the mainboard Does it work normally Is the compressor phase sequen...

Page 73: ...PU is displayed on the wired controller Tighten the PFC wire or adjust the sequence Replace the mainboard PU is displayed in the mainboard 88 indicating lamp NO YES Work normally ee driving board chi...

Page 74: ...d Does it work normally Is the motor phase sequence right H6 is displayed on the wired controller Is the Fan wire terminal loose H6 is displayed in the mainboard 88 indicating lamp YES Work normally A...

Page 75: ...us voltage 2 pin Suspended 3 pin DC bus GND 4 pin 15V 5 pin Control signal input 6 pin DC fan motor feedback 6 CN3 Control power output 1 GND 2 18V 3 15V Power supply interface to the drive 1 pin GND...

Page 76: ...11 HPP High pressure switch for system protection obligate Interface of high pressure protection 12 LPP Low pressure switch for system protection obligate interface of low pressure protection 13 OVC C...

Page 77: ...13 W Compressor PhaseW 14 V Compressor Phase V 15 U Compressor Phase U U Match Series DC Inverter Service Manual 112 GUHD18ND3FO GUHD24ND3FO GUHD30ND3FO GUHD36ND3FO GUHD42ND3FO 1 Driving Board 2 3 4 1...

Page 78: ...unding wire 5 E2 Reserved 6 AC L Live wire input red 7 AC N Neutral wire input white U Match Series DC Inverter Service Manual 2 Filtering Board 1 2 3 5 4 6 7 No Printing Interface No Printing Interfa...

Page 79: ...DC bus electric discharging needle stand for testing 11 DC BUS DC bus interface connect to filtering board 12 U Compressor Phase U 13 V Compressor Phase V 14 W Compressor Phase W NO PRINTING INTERFACE...

Page 80: ...input red 5 N Neutral wire input white 6 E1 Reserved 7 E Grounding wire screw hole U Match Series DC Inverter Service Manual 115 2 Filtering Board 3 4 5 6 7 1 2 No Printing Interface No Printing Inter...

Page 81: ...PFC module is normal If any measured valve is 0 it indicates the PFC is damaged AUHD18ND3FO AUHD24ND3FO AUHD30ND3FO AUHD36ND3FO AUHD42ND3FO 116 1 Preparation before test prepare a universal meter and...

Page 82: ...iring should always refer to the wiring diagram of the unit Model GUHD18ND3FO 3 WIRING DIADRAM 3 1 Outdoor unit The actual wiring should always refer to the wiring diagram of the unit Model AUHD18ND3F...

Page 83: ...83 Technical Information Model AUHD24ND3FO U Match Series DC Inverter Service Manual 118 Model GUHD24ND3FO Model GUHD30ND3FO Model AUHD30ND3FO...

Page 84: ...84 Technical Information Model AUHD36ND3FO U Match Series DC Inverter Service Manual 119 Model GUHD36ND3FO Model GUHD42ND3FO Model AUHD42ND3FO 119 Model GUHD36ND3FO Model GUHD42ND3FO...

Page 85: ...t Type Model GFH18D3FI GFH24D3FI GFH30D3FI GFH36D3FI GFH42D3FI 120 Model GUHD48ND3FO 3 2 Indoor unit The actual wiring should always refer to the wiring diagram of the unit 3 2 1 Duct Type Model GFH18...

Page 86: ...8D3FI 3 2 2 Floor Ceiling Type Model GTH18D3FI GTH24D3FI GTH30D3FI GTH36D3FI GTH42D3FI GTH48D3FI 3 2 2 FloorCeiling Type Model ATH18D3FI ATH24D3FI ATH30D3FI ATH36D3FI ATH42D3FI ATH48D3FI 121 Model GFH...

Page 87: ...122 3 2 3 Cassette Type Model GKH18D3FI Model GKH24D3FI GKH30D3FI GKH36D3FI GKH42D3FI U Match Series DC Inverter Service Manual 122 3 2 3 Cassette Type Model GKH18D3FI Model GKH24D3FI GKH30D3FI GKH36D...

Page 88: ...88 Technical Information Model AKH48D3FI U Match Series DC Inverter Service Manual Model GKH48D3FI...

Page 89: ...tration Handling Instruction 1 Disassembly of electric box cover Disassemble the screw according to the position shown in the circle and the box and remove the electric box in the direction of the arr...

Page 90: ...Technical Information...

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Summary of Contents for AC Pro C Series

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