AC Pro AWH18QD-D3DNA1G/O Installation Manual Download

Page: 60 / 63

Technical Information

ƶƹ

Indoor unit

Outdoor unit

COOLING

HEATING

4-Way valve

Discharge

Suction

Heat
exchanger
(evaporator)

Heat
exchanger
(condenser)

Valve

Liquid pipe
side

Gas pipe
side

Strainer

Electron
expansion
valve

Strainer

Accumlator

Compressor

&RQQHFWLRQSLSHVSHFL¿FDWLRQ

Connection pipe
specification:
Liquid pipe:1/4”
Gas pipe:1/2” for 18K
Gas pipe:5/8” for 24K

REFRIGERANT SYSTEM DIAGRAM

AWH18QD-D3DNA5K

AWH24QE-D3DNA5K

Summary of Contents for AWH18QD-D3DNA1G/O

Page 1: ...AC Pro A Series 18 24K àøĀ ØØ ĀÅæà Manual Models AWH18QD D3DNB8K I AWH18QD D3DNA5K O AWH24QE D3DNB8K I AWH24QE D3DNA5K O Refrigerant R410A ...

Page 3: ...r cord or power connection become severed they MUST be repaired replaced by qualified technician 10 If the power cord or power connection wire is not long enough replace with specialized cable from manufacturer before proceeding with installation or repair DO NOT elongate these wires 11 An air switch MUST be installed if there is no plug found on the air conditioner The air switch MUST be all pole...

Page 4: ...nes are fully closed and power is disconnected before detaching the connection pipe If the compressor starts running while stop valve is open and connection pipe is not affixed air will be sucked in causing pressure to rise and potentially causing compressor rupture which may lead to severe injury or death 5 When installing the unit make sure the connection pipe is securely connected before the co...

Page 5: ...rs 3 Impact drill drill head electric drill 4 Electroprobe 5 Universal meter 6 Torque wrench open end wrench inner hexagon spanner 7 Electronic leakage detector 8 Vacuum pump 9 Pressure meter 10 Pipe pliers pipe cutter 11 Pipe expander pipe bender 12 Soldering appliance refrigerant container tape essure meter ...

Page 6: ...At least 6 At least 6 Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction At least 24 At least 12 At least 24 At least 12 At least 78 A t l e a s t 1 1 8 Space to the obstruction ...

Page 7: ...t Bind up pipes and hang the indoor unit Install the support of outdoor unit select it according to the actual situation Fix outdoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Install drainage joint of outdoor unit only for cooling and heating unit Connect pipes of outdoor unit Connect wires of outdoor unit Neaten the pipes Vacuum pumping and leakage detecti...

Page 8: ...TION 1 Safety Precaution Follow ALL electric safety requirements during installation Use qualified power supply circuit and air switch according to local safety regulations Power supply MUST match the requirement of the air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction Install proper power supply cables prior to using air conditioner ...

Page 9: ...nique on union nut and pipe joint Tighten the union nut with torque wrench Shown in Figure 6 Use insulation tape to wrap indoor pipe and joint of connection pipe Shown in Figure 7 below Refer to the following table for wrench moment of force Hex nut diameter inch Tightening Torque ft lb ĭ1 4 11 10 14 75 ĭ3 8 22 12 29 50 ĭ1 2 33 19 40 56 ĭ5 8 44 24 47 94 ĭ3 4 51 32 55 31 5 Install Drain Hose Connec...

Page 10: ...act distance MUST be more than 1 8 7 Bind Up Pipe Bind the connection pipe power cord and drain hose with band Shown in Figure 14 below Reserve a length of drain hose and power cord for installation during binding When binding to a specific degree separate the indoor power and separate the drain hose Shown in Figure 15 below Bind all cordage and hoses evenly The liquid and gas pipes should be boun...

Page 11: ... 55 31 5 Connect Outdoor Electric Wire Insert power connection wire and power wire through wire passing hole Remove wire clip and connect the power connect wire and the power wire to wiring terminal Affix with screws Shown in Figure 23 below Affix the power connection wire and power wire with wire clip Install the cable cross plate sub assy ÌNote After tightening the screw pull the power cord slig...

Page 12: ...ION ANDTESTOPERATION 1 Check after Installation Use chart below No Check Following Possible Malfunction 1 Was unit installed firmly securely Unit may shake or emit rattling noise 2 Was refrigerant leakage test performed This may cause insufficient cooling heating capacity 3 Is heat insulation of pipeline sufficient May cause condensation and water leakage 4 Does water drain well May cause leakage ...

Page 13: ... Part LJ 2XWOLQH RI ZLUHG FRQWUROOHU LJ GLVSOD 1 1 LCD Display ofWired Controller No Symbols Description 1 Swing function 2 Air exchange function 3 Sleep function Only sleep 1 4 Each kind of running mode of indoor unit auto mode 5 Cooling mode 6 Dry mode 7 Fan Mode 8 Heating mode 9 Defrosting function for the outdoor unit 10 Gate control function ...

Page 14: ... of the indoor unit range 16 30 C 6 T Timer setting range 0 5 24 hr 3 Fan Setting of the high middle low auto fan speed 4 Mode Setting of the Cooling Heating Fan Dry Auto mode of the indoor unit 6 Function Switchover among the functions ofTurbo Save E heater Blow etc 7 Timer Timer setting 8 On Off Turn on off the indoor unit 4 2 S Mode Press for 5s under to enter cancel the Memory function If memo...

Page 15: ...er of them continuously will increase the temperature by 1 C 1 F every 0 5s as shown in Fig 3 3 1 In Cooling Dry Fan or Heating mode the temperature setting range is 16 30 C 61 86 F In Auto mode the setting temperature is not adjustable 3 4 Fan Setting While ON press Fan and then fan speed and the indoor unit fan mode change circularly as shown in Fig 3 4 1 3 5 Timer Setting While ON PressTimer bu...

Page 16: ...ter timer is set press timer button to display LCD and confirm Turn on the unit without Timer activated PressTimer repeatedly to get to the setting status Press S T to adjust the time PressTimer to cancel this setting Press Enter Cancel to confirm this setting Fig 3 5 1 TimerOFF Setting Figure 3 5 2 TimerON setting while unit is OFF Turn on the unit without Timer activated PressTimer repeatedly to...

Page 17: ...appears cancel swing operation Fig 3 6 1 Swing Setting Notes SLEEP TURBO and FAN settings are the same as the SWING setting 3 7 Sleep Setting Under COOL HEAT or DRY Mode press this button to start the SLEEP function Press ENTER CANCEL to confirm setting In COOL or DRY modes the system will increase temperature by 1 2ºF each hour after SLEEP mode is enabled In HEAT mode the system will decrease tem...

Page 18: ...ting Under COOL or HEAT mode pressing the function button will speed up cooling or heating Press the button again to exit turbo function and the icon will disappear Turbo feature is not available in AUTO DRY or FAN mode s Turbo function is shown below Turn off the unit without Turbo function activated Press Enter Cancel to cancel this setting Press Function repeatedly to get to theTurbo function a...

Page 19: ... heater setting interface Pressing ENTER CANCEL to cancel out of this function Turn off the unit without E heater function activated Press Function repeatedly until go to the E heater setting status Press Enter Cancel to activated the E heater function Press Enter Cancel to cancel this setting Press Function repeatedly until go to the E heater setting function again 3 10 Blow Setting When the unit...

Page 20: ...econds to switch between memory ON and memory OFF Once activated memory will be displayed Memory allows the user to set the following ON OFF Set Temperature Mode Set Fan Speed and Lock Function 4 Installation and Dismantlement 4 1 Connection of the Signal Line of theWired Controller Open the cover of the electric control box on the indoor unit Place the single line of the wired controller through ...

Page 21: ...core twisted pair line into slot of the wired controller Snap the front panel and the soleplate of the wired controller together Fix the front panel and the soleplate of the wired controller tightly by screws ST2 9XS CAUTION Pay special attention to the following notes in order to avoid malfunction of the air conditioner due to electromagnetic interference 1 Separate the signal and communication l...

Page 22: ...code will be displayed on the LCD screen If multiple errors present at the same time their codes will be displayed circularly Fig 5 1 If multi errors occur at the same time their codes will be displayed circularly Note In the event of any error turn unit off and consult professional installer service technician ...

Page 23: ...s shown above connect the plug of discharge resistance about 100ohm 20W If there is no discharge resistance you can use the plug of soldering iron to points A and B of electrolytic capacitor There will be sparks when touching points A and B Press down on them forcibly for 30 seconds to discharge electricity of electrolytic capacitor 3 After discharging electricity measure the voltage between point...

Page 24: ...p indoor fan motor works Heating all will stop Please refer to trouble shooting 6 Anti high temp protection E8 3s off blink eight times Cooling compressor will stop indoor fan motor works Heating all will stop Please refer to trouble shooting 7 Indoor unit mo tor no feedback H6 3s off blink 11 times Whole unit stop running 1 Poor insert for GPF 2 Indoor control board AP1 malfunction 3 Indoor motor...

Page 25: ... wireTerminal L and N Position If higher than 265VAC please cut off the power supply and restart until back to normal 2 If input voltage is normal testing the voltage of electrolytic capacitor on AP1 after turn on the unit There may be some problem and replace the AP1 if the electrolytic capacitor voltage range at 200 280v 19 Complete unit current detection malfunction U5 3s off blink 13 times Coo...

Page 26: ...sor stops running indoor fan motor works Heating all will stop running Replace the outdoor control board AP1 32 Module temp over high protection P8 3s off blink 19 times Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running To check whether the ambient temp of IPM is too high or the heat sinhing of IPM is dirty else replace the outdoor board AP1 33 DC ...

Page 27: ...oken Malfunction diagnosis process Start End Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Is there a short circuit due to trip over of the parts Replace the mainboard with the same model NO NO YES YES NO NO YES NO YES YES Position parts upright Replace it with a temperature sensor with the same model Is malfunction eliminated Insert the temp...

Page 28: ...est whether the voltage between terminal 1 and terminal 2 of motor interface is within 280 310VDC While power is off check the wiring terminal between indoor fan and main board Check whether the voltage between terminal 2 and terminal 3 of the motor interface is 15VDC Start Reinsert the wiring terminal of indoor fan NO Check whether there is voltage between terminal 2 and terminal 4 of the motor i...

Page 29: ...correctly and tightly Is the jumper broken Is the motor broken Detection circuit of the mainboard defined abnormal Malfunction diagnosis process End Is there a jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Is malfunction eliminated Replace the jumper cap with the same model Replace the mainboard with the same model Start YES Is malfunction eliminated Insert the jumpe...

Page 30: ...electric box are correctly connected Correct connection Connect the line according to wiring diagram Malfunction eliminated NO Main board matches with display board Main board of IDU matches with that of ODU YES Communication cord damaged Replace IDU s main board Malfunction eliminated End Match correctly according to the product specification Malfunction eliminated YES NO NO NO Replace IDU s main...

Page 31: ... Malfunction of detecting plate WIFI JF Start Check if the connection wire is correctly connected Replace the detecting plate with the same model Malfunction eliminated YES Replace the detecting plate with the same model YES End ...

Page 32: ...electrolytic capacitor C47 C47 12V power DC 12V 13V Test 7 Both ends of electrolytic capacitor C60 C60 5V power DC 5V Test 8 Both ends of electrolytic capacitor C73 C73 3 3V power DC 3 3V Test 9 Between S and T Communication circular current DC 56V Test 10 Between N and GND C50 to N terminal ground signal receiving terminal of outdoor unit Jumping between 0V and 3 3V Test 11 U7 Between 1 and 2 at ...

Page 33: ...sure AC voltage between terminal L and N on wiring board XT power supply Shut down power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of capacitor test 3 until the voltage is lower than 20V Voltage within 210VAC 250VAC Check the connection of the reactor L in the Electrical Wiring Diagram Is the wiring of reactor L is normal Replace the control panel AP1 End Fault...

Page 34: ...mpressor COMP well connected Are tehy loose Is connection sequence correct Is voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter Is coil resistance of compressor is normal Is compressor coil insulating to copper pipe well Is the work load of unit heavy Is radiating unit is correct Is the refrigerant charging appropriately Malfunction diagnosis pro...

Page 35: ...t the heat exchange of indoor and outdoor unit 2 Are indoor and outdoor fans are working normally 3 Is the environment temperature too high resulting in the system pressure being too high and exceeds the permissible range 4 Is the charge volume of refrigerant too much resulting in the system pressure being high 5 Other conditions resulting in that the system pressure becoming too high Has the capa...

Page 36: ...perature overload protection YES Is outdoor ambient temperature higher than 127 4 F After unit de energize for 20 minutes Is the radiating of outdoor and indoor unit normal If the indoor and outdoor fan work normal Replace the control panel AP1 End Normal protection use to improve the outdoor ambient temperature Improve the radiating environment of unit 1 Check if the fan terminal OFAN is connecte...

Page 37: ... than 3 minutes Is the compressor wire COMP UVW is well connected and connection sequence correct Is the refrigerant charging too much Charge the refrigerant according to service manual Does the unit start up normally Replace the compressor End YES YES YES NO If the stop time is not enough and the high and low pressure of system is not balanced start it after 3 minutes Improve the connection of co...

Page 38: ...lace the control panel AP1 Replace the compressor End YES YES Connect wires correctly NO Synchronism occurred during operation NO Does the outdoor fan work normally If the radiating of unit functioning If the fault is eliminated Is the input voltage of unit normal Replace the compressor End NO YES Check if the fan terminal OFAN is connected correctly Replace the fan capacitor C1 Improve the radiat...

Page 39: ...e overload protector SAT is well connected Under ambient temperature test the resistance of overload protector with ohmic meter resistance value 1000 ȍ The resistance value of first 4 lead foot and the fifth lead foot is similar less than 100 ȍ Is the wiring terminal FA of electron expansion well connected Replace EKV coil of electron expansion valve End YES If the fault is eliminated Replace cont...

Page 40: ... unit operation normal before malfunction Check built in wiring of indoor and outdoor unit Check communication circuit and outdoor unit Is wiring damaged Problem of communication circuit End NO Malfunction of circuit is detected with control board AP1 voltage Has malfunction been removed Replace the indoor board Replace outdoor mainboard AP11 Check connection wire of indoor and outdoor unit with c...

Page 41: ...mber jumping Test voltage value with test 13 position in diagram with voltage meter Test voltage value with test 11 position in diagram with voltage meter The circuit of outdoor unit communication is normal End YES NO Test voltage value with test 12 position in diagram with voltage meter Number jumping Number jumping Number jumping YES YES Outdoor unit malfunction NO ...

Page 42: ... for indoor unit and outdoor unit is improper Check whether the installation postion is proper according to installation requirement for air conditioner Adjust the installation position and install the rainproof and sunproof for outdoor unit Refrigerant is leaking Discharged air temperature during cooling is higher than normal discharged wind temperature Discharged air temperature during heating i...

Page 43: ...pressor Cylinder of compressor is blocked Compressor cant operate Repair or replace compressor 6 Air Conditioner is Leaking Possible Causes Discriminating Method Air conditioner Status Troubleshooting Drain pipe is blocked Water leaking from indoor unit Eliminate the foreign objects inside the drain pipe Drain pipe is broken Water leaking from drain pipe Replace drain pipe Wrapping is not tight Wa...

Page 44: ...ODED VIEW AND PARTS LIST Ƶ 1 Indoor Unit The component picture is only for reference please refer to the actual product 8QLW 36 35 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 19 20 21 25 26 27 28 29 32 31 24 33 34 37 38 39 22 23 17 30 10 ...

Page 45: ...177 1 16 Evaporator Assy 011001000207 1 17 Cross Flow Fan 10352060 1 18 Fan Motor 1501214503 1 19 Motor Press Plate 26112511 1 20 Wall Mounting Frame 01362026 1 21 Connecting pipe clamp 2611218801 1 22 Crank 73012005 1 23 Stepping Motor 1521240212 1 24 Drainage Hose 05230014 1 25 Electric Box Assy 10000204786 1 26 Lower Shield of Electric Box 01592139 1 27 Electric Box 2011221102 28 Jumper 4202021...

Page 46: ...l Information ƵƵ The component picture is only for reference please refer to the actual product 8QLW 36 35 37 38 1 8 2 3 4 6 7 9 10 12 13 14 15 17 18 19 20 21 22 23 24 26 27 28 29 30 31 33 5 25 11 16 34 8 32 39 ...

Page 47: ...d Plasma Generator 17 Wall Mounting Frame 01252229 1 18 Motor Press Plate 26112515 1 19 Fan Motor 1501214501 1 20 Connecting pipe clamp 26112514 1 21 Drainage Hose 0523001405 1 22 Stepping Motor 1521240212 1 23 Crank 73012005 1 24 Guide Louver 1051232001 1 25 Axile Bush 10542036 2 26 Electric Box 2011221102 1 27 Terminal Board 42011233 1 28 Electric Box Cover2 2011221001 1 29 Main Board 3000020003...

Page 48: ...Technical Information ƵƷ 31 The component picture is only for reference please refer to the actual product AWH18QD D3DNA5KO Ƶ 2 OUTDOOR UNIT ...

Page 49: ...ate 0130509403P 0130509002P 1 14 Valve Cover 22245002 22245002 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Valve Support Block 26115007 1 18 Temperature Sensor 3900030901 3900030902 1 19 Rear Grill 01473043 01475020 1 20 Condenser Assy 011002000513 011002000244 1 21 Coping 012049000007P 012049000007P 1 22 Motor Support Sub Assy 01703154 01705067 1 23 Condenser ...

Page 50: ...he front case Then remove the left and right filters one by one 2 Remove horizontal louver Push out the axile bush on horizontal louver Bend the horizontal louver by hand and separate horizontal louver from the crankshaft of step motor to remove it 3 Remove panel a Unscrew the 2 screws that are locking the displayboard Separate the displayboard from the front panel b Separate the panel rotation sh...

Page 51: ...re removing the screws around the air outlet 2 The quantity of screws fixing the front case sub assy is different for different models 3 Loosen the connection clasps between front case sub assy and bottom case Lift up the front case sub assy and take it out 6 Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertical louver Remove the screws that...

Page 52: ...ad wire c Rotate the electric box assy Twist off the screws locking the wire clip and loosen the power cord Remove the wiring terminal of power cord Lift up the main board and take it off Instruction Some wiring terminal of this product is with lock catch and other devices The pulling method is below 1 Remove the soft sheath for some terminals hold the circlip and then pull out the terminals 2 Pul...

Page 53: ...screw fixing connection pipe clamp and remove the connection pipe clamp c First remove the left side of the evaporator from the groove of bottom case and then remove right side from the clasp on the bottom case d Adjust position of connection pipe on evaporator slightly and then lift evaporator upwards to remove it R ear case assy Groove Clasp ...

Page 54: ...e the screws fixing motor clamp then remove the motor clamp b Remove screws at the connection place of cross flow blade and motor lift motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Remove the screw fixing step motor and then remove the step motor ...

Page 55: ... and right side plate and then remove valve cover Remove the screws connecting the top cover with outer case right side plate and left side plate lift the top cover upwards to remove it 2 Remove grille and outer case Remove the 4 screws connecting the grille and outer case then remove the panel grille Ì Warning Be sure to wait for a minimum of 20 minutes after turning off all power supplies and di...

Page 56: ...case with right side plate left side plate and then remove outer case 3 Remove right left side plate Remove screws connecting the right side plate with electric box assy valve support chassis and condenser side plate then remove the right side plate Remove screws connecting left side plate with chassis then remove left side plate outer case left side plate right side plate ...

Page 57: ... the motor then remove motor Remove the 2 screws connecting the motor support and chassis then loosen stopper to remove the motor support 5 Remove electric box Remove the screws fixing the electric box sub assy loosen wire bundle pull out wiring terminals then pull electric box upwards to remove it axial flow fan motor support fan motor electric box ...

Page 58: ...emove the 3 screws connecting isolation plate and chassis then remove isolation plate 8 Remove 4 way valve assy Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove 4 way valve Note Before unsoldering the welding joint wrap the 4 way valve with a wet cloth completely to avoid damage to valve caused by high temperature soundproof sponge...

Page 59: ...cushion Note Keep the ports of discharge pipe and suction pipe from foreign objects 10 Remove condenser sub assy Remove the screws connecting the support condenser and condenser assy then remove support condenser Remove the 2 screws fixing the condenser and chassis then lift condenser upwards to remove it compressor support condenser chassis subassy sub assy ...

Page 60: ...porator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Accumlator Compressor RQQHFWLRQ SLSH VSHFL FDWLRQ Connection pipe specification Liquid pipe 1 4 Gas pipe 1 2 for 18K Gas pipe 5 8 for 24K REFRIGERANT SYSTEM DIAGRAM AWH18QD D3DNA5K AWH24QE D3DNA5K ...

Page 61: ...this model Indoor Unit AWH18QD D3DNB8K I AWH24QE D3DNB8K I 60000700023002 1 2 7 50 1 7 03 6 1625 867 7 03 6 1625 2875220 28778 7 03 6 1625 8 203 203 6 7 29 B 203 5 57 20B 11 5 9 8 8 8 9 5 1 B 1 7B6 1625 8 1 7 1 1 8 32 5 1 225 81 7 29 5 2 3527 725 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULFDO VKRFN 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 51 1 0 1 7 5 1 0 1 7 5 ...

Page 62: ... 1 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 1RWH 0RWRU JURXQG 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 20B 11 5 1 B 35 17 5 8 7 2 5 1 3 3 7B6 1625 5 9 8 8 29 B 203 203 9 8 5 1 0 1 7 29 5 2 3527 725 1 8 5 57 57 57 5 6 7 203 8 7 03 6 1625 28778 2875220 7 03 6 1625 867 7 03 6 1625 0 2 1 1 02725 1 LURQ VKHOO PRWRU R...

Page 63: ...re protection 3 Compressor overload protection terminal 4 Interface of temperature sensor 5 Terminal of electronic expansion valve 6 Terminal for low pressure protection 7 Interface of fan 8 4 way valve terminal 9 2 way valve terminal 10 Terminal of compressor electric heater 11 Terminal of chassis electric heater 12 Live wire 13 Communication wire 14 Grounding wire 15 Neutral wire ...

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AC Pro AWH18QD-D3DNA1G/O, Installation Manual

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