Related Manuals for AC Pro A-Series
Summary of Contents for AC Pro A-Series
- Page 1 AC Pro A-Series 9-12K 230V Installation Manual Models AWH09QB-D3DNB8K/I AWH9QB-D3DNA5K/O AWH12QC-D3DNB8K/I AWC12QC-D3DNA5K/O (Refrigerant R410A)
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Page 2: Notes For Installation And Maintenance
INSTALLATION & MAINTENANCE NOTES FOR INSTALLATION AND MAINTENANCE SAFETY PRECAUTIONS: 10. If the power cord or power connection wire is not long enough, replace with specialized cable from IMPORTANT! manufacturer before proceeding with installation or Please read the safety precautions carefully before repair. - Page 3 IF SAFETY PRECAUTIONS 6. DO NOT install the unit in an area exposed to (or potentially exposed to) corrosive or flammable gas FOR INSTALLING AND leaks. RELOCATING THE UNIT: Leaking gas near the unit may cause fire or explosion leading to property damage, severe injury or death.
- Page 4 MAIN TOOLS FOR INSTALLATION AND MAINTENANCE 1. Level meter, measuring 2. Screwdrivers 3. Impact drill, drill head, electric drill tape 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8. Vacuum pump 9.
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Page 5: Installation Dimension Diagram
ervice Manual 8. Installation INSTALLATION INSTALLATION DIMENSION DIAGRAM 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 6 At least 6 Drainage pipe unit:inch llation and Maintenance... - Page 6 Start installation Preparation before installation Read the requirements for Select installation location Prepare tools electric connection Select indoor unit Select outdoor unit installation location installation location Install the support of Install wall-mounting frame, outdoor unit drill wall holes (select it according to the actual situation) Connect pipes of indoor unit and drainage pipe...
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Page 7: Selection Of Installation
INSTALLATION PARTS CHECKING REQUIREMENTS FOR ELECTRIC CONNECTION Name Name 1. Safety Precaution Indoor Unit Sealing Gum • Follow ALL electric safety requirements during Outdoor Unit Wrapping Tape installation. Connection Pipe Support of Outdoor • Use qualified power supply circuit and air switch – Unit according to local safety regulations. - Page 8 pulling the frame. If the plastic expansion particle is loose, (ST4.2X25TA) and then check if the frame is firmly installed by in the holes. (2) Pretightening the union nut with hand. in Fig.5) in the holes. torque wrench.(As show in Fig.6) in the holes.
- Page 9 7. Connect Wire of Indoor Unit 8. Bind up Pipe degree, separate the indoor power and then separate the drain Service Manual (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose Service Manual hose.(As show in Fig.15) 7.
- Page 10 Service Manual 8.6 Installation of Outdoor Unit 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: Refer to the following table for wrench moment of force: Service Manual 8.6 Installation of Outdoor Unit 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: Refer to the following table for wrench moment of force: 1.
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Page 11: Test Operation
Service Manual Service Manual 8.8 Check after Installation and Test (3) The water outlet cant be placed in water in order to drain 8.8 Check after Installation and Test (3) The water outlet cant be placed in water in order to drain CHECK AFTER INSTALLATION AND smoothly.(As show in Fig.27) c. - Page 12 Wired Controller Wired Controller Wired Controller Service Manual Wired Controller Wired Controller Wired Controller Wired Controller Wired Controller 8.9 Wired Controller Wired Controller Wired Controller product you bought is equipped with wired controller, please refer to the following introductions of wired controller. 8.9 Wired Controller product you bought is equipped with wired controller, please refer to the following introductions of wired controller.
- Page 13 Manual Symbols Description Manual Manual Lock function Lock function Service Manual Manual Shield functions (Button operation, temperature setting, On/Off operation,Mode setting are Lock function SHIELD SHEILD Shield functions (Button operation, temperature setting, On/Off operation,Mode setting are disabled by the Lock function disabled by the remote monitoring system.) Shield functions (Button operation, temperature setting, On/Off operation,Mode setting are Lock function...
- Page 14 3 Operation Instructions 3.1 On/Off Press On/Off to turn unit on or off. Note: The state shown in Fig.3.1.1 indicates “Off”. The state shown in Fig.3.1.2 indicates “On”. 3.2 Mode Setting While ON, press Mode to switch the operation modes in the following sequence: Auto–Cooling–Dry–Fan–Heating. 3.3 Temperature Setting Press ...
- Page 15 Timer off setting: If Timer button is pressed, while on, LCD will display xx. Press or button to adjust timer on and press Timer to confirm. Cancel timer: After timer is set, press timer button to display LCD and confirm, Fig.3.5.1 Timer OFF Setting Turn on the unit,without Press Timer repeatedly...
- Page 16 Timer range: 0.5-24hr. Press or to increase/decrease set time by 0.5hr. If either of them is pressed continuously, the set time will increase/ decrease by 0.5hr every 0.5 seconds. 3.6 Swing Setting Press the SWING button to adjust the fan blowing angle as seen below. •...
- Page 17 Turn off the unit,without Press Function repeatedly Press Enter/Cancel Sleep function activated to get to the Sleep to activated the Sleep setting status function Press Enter/Cancel to Press Function repeatedly cancel this setting to get to the Sleep 3.8 TURBO Setting function again Under COOL or HEAT mode, pressing the function button will speed up cooling or heating.
- Page 18 3.9 E-heater Setting 3.9 E-heater Setting E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be turned on for improvement of effciency. E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be turned on for improvement of effciency. 3.9 E-heater Setting Once the wired controller or the remote controller enters the Heating mode, this function will be turned on automatically.
- Page 19 3.11 Other Functions a. Lock Upon startup of the unit without malfunction or under the “Off” state of the unit, press ▲ and ▼ at the same time for 5s till the wired Notes: controller enters the Lock function. In this case, LCD displays ted, if turning off the unit by pressing On/Off or by the remote controller, the indoor fan will run at the If the unit is turned off while the blow function is activated, the indoor fan will run at low speed for 2 minutes with the word “BLOW”...
- Page 20 Service Manual Fig.4.2 Fig.4.2 Fig.4.2 shows the installation steps of the wired controller, but there are some issues that need your attention. Fig.4.2 (1) Prior to the installation, please firstly cut off the power supply of the wire buried in the installation hole, that is, no operation is allowed Fig.4.2 with electricity during the whole installation.
- Page 21 5.0 Errors Display Service Manual If an error occurs during the operation of the system, the error code will be displayed on the LCD screen. If multiple errors present at the same time, their codes will be displayed circularly. 5 Errors Display Fig.5.1.
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Page 22: Error Code List
MAINTENANCE ERROR CODE LIST Display of lamp (the time of blinking) Display of Name of malfunction indoor unit Indoor Outdoor Anti-freezing protection Block or Low pressure of refrigerant system Compressor exhaust high temperature protection AC over-current protection Communication failure between indoor unit and outdoor unit Anti-high temperature protection No feedback of indoor fan motor Jumper cap malfunction protection... -
Page 23: Troubleshooting For Main Malfunction
TROUBLESHOOTING FOR MAIN MALFUNCTION Indoor unit 1. Malfunction of Temperature Sensor F1, F2 Main detection points: • Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? • Is there short circuit due to trip-over of the parts? •... - Page 24 s the control terminal of PG motor connected tightly? s the feedback interface of PG motor connected tightly? otor can't operate? is broken? 2. Malfunction of Blocked Protection of IDU Fan Motor H6 circuit of the mainboard is defined abnormal? Main detection points: diagnosis process: •...
- Page 25 (3) Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? 3. Malfunction of Protection of Jumper Cap C5 ● The jumper is broken? Main detection points: ●...
- Page 26 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: • Instant energization after de-energization while the capacitor discharges slowly? • Is the zero-cross detection circuit of the mainboard defined abnormal? Malfunction diagnosis process: Start Turn power off for 1 minute,the turn back on...
- Page 27 Service Manual 5. Malfunction of Detecting Plate (Wifi) JF 5. Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
- Page 28 6. Malfunction of Insufficient Flourine Protection F0 Service Manual 6. Malfunction of Insufficient fluorine protection F0 （4） Troubleshooting for F0 malfunction Heat exchangers are Clean the heat exchangers and remove Malfunction is too dirty or the air inlet/outlet eliminated. blockage of air inlet/outlet. is blocked.
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Page 29: Outdoor Unit
Service Manual ●Outdoor unit: Outdoor Unit (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: Main Check Points: ●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. - Page 30 (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Is the connection between control panel AP1 and compressor COMP secure? Loose? Is the connection in correct order? Is the voltage input of the machine within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) Is the compressor coil resistance normal? Is the insulation of compressor coil against the copper tube in good...
- Page 31 Service Manual Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring terminal L and N machine has run for restore it to board XT is within a period of time?
- Page 32 3. High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: • Is outdoor ambient temperature within normal range? • Are the outdoor and indoor fans operating normally? • Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
- Page 33 4. Start-up failure (following AP1 for outdoor unit control board) Mainly detect: • Whether the compressor wiring is connected correctly? • Is compressor broken? • Is time for compressor stopping, enough? Fault diagnosis process: Power on the unit Is stop time of the Restart it up after compressor longer than 3 minutes?
- Page 34 5. Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: • Is the system pressure too high? • Is the input voltage too low? Fault diagnosis process: Out of step occurs once the Out of step occurs in unit is powered on.
- Page 35 6. Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: • Is the PMV connected securely or not? Is PMV damaged? • Is refrigerant leaked? Fault diagnosis process: 20 minutes after the Connect the wires correctly? complete unit is powered off Is the terminal FA for the electronic expansion valve...
- Page 36 7. Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: • Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken Fault diagnosis process: Start Check wiring of the reactor...
- Page 37 8. Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: • Is there any damage to the indoor unit mainboard communication circuit? • Detect the indoor and outdoor unit connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...
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Page 38: Troubleshooting For Normal Malfunction
TROUBLESHOOTING FOR NORMAL MALFUNCTION 1. Air Conditioner Cant be Started Up Discriminating Method Possible Causes Troubleshooting (Air conditioner Status) Confirm whether its due to power failure. If yes, wait for No power supply, or poor connection for On power-up, operation indicator isnt bright power recovery. - Page 39 4. ODU Fan Motor Cant Operate Discriminating Method Possible Causes Troubleshooting (Air conditioner Status) Check the wiring status according to circuit Connect wires according to wiring diagram to make sure all Wrong wire connection, or poor connection diagram wiring terminals are connected firmly Measure the capacity of fan capacitor with an universal meter and find the capacity is out of Capacity of the ODU fan motor is damaged...
- Page 40 Service Manual 10. Exploded View and Parts List EXPLODED VIEW AND PARTS LIST Indoor Unit 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. The component picture is only for reference please refer to the actual product. Installation and Maintenanc...
- Page 41 Part Code Description AWH12QC-D3DNB8K/I AWH09QB-D3DNB8K/I Product Code CB438N08300 CB438N08100 Front Panel 20000300074T 20000300073T Filter Sub-Assy 11122468 11122219 Display Board 30565260 30565260 Front Case Assy 00000200045 00000200040 Guide Louver 1051293101 1051276301 Helicoid Tongue 26112436 26112508 Left Axile Bush 10512037 10512037 Rear Case assy 00000100093 00000100066 Drainage Hose...
- Page 42 Service Manual Outdoor Unit GWH12QC-D3DNA5K/O(LCLH) GWH09QB-D3DNA5K/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 43 Part Code Description AWH12QC-D3DNA5K/O AWH09QB-D3DNA5K/O Product Code CB425W08100 CB425W08500 Front Grill 01473012 01473012 Front Panel Assy 0153304804 0153304804 Axial Flow Fan 10333004 10333004 Chassis Sub-assy 017000000126 017000000133P Clapboard Sub-Assy 0123338502 0123338502 Drainage Connecter 06123401 06123401 Compressor Gasket 76710287 76710287 4-Way Valve Assy 030152000094 030152000171 011002000508...
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Page 44: Removal Procedure
11. Removal Procedure 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the after turning off all power supplies and discharge the after turning off all power supplies and discharge the refrigerant completely before removal. - Page 45 Service Manual Service Manual Step Procedure Step Procedure 4. Remove detecting plate and electric box cover 2 Screw 4. Remove electric box cover 2 and detecting Electric box cover2 Step Procedure plate(WIFI) 4. Remove detecting plate and electric box cover 2 Screw Remove the screw fixing detecting plate Electric box cover2...
- Page 46 Service Manual Step Procedure Step Procedure 7. Remove Electric Box Assy 7. Remove electric box assy Screw Loosen the connection clasps between shield cover of electric box sub-assy and Clasps electric box, and then remove the shield cover of electric box sub-assy. Remove the screw fixing electric box assy .
- Page 47 Service Manual Step Procedure Step Procedure Service Manual Instruction: Some wiring terminal of this Instruction: Some wiring terminal of this Step Procedure product is with lock catch and other devices. product is with lock catch and other devices. circlip The pulling method is as below: The pulling method is as below: Instruction: Some wiring terminal of this holder...
- Page 48 Service Manual Step Procedure 10. Remove motor and cross flow blade Steps Procedure 10. Remove motor and cross flow blade Remove the screws fixing motor clamp Screws and then remove the motor clamp. a. Remove screws fixing motor clamp then remove the motor clamp.
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Page 49: Removal Procedure Of Outdoor Unit
11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the Warning: Be sure to wait for a minimum of 20 minutes REMOVAL PROCEDURE OF OUTDOOR UNIT refrigerant completely before removal. - Page 50 Service Manual Service Manual Service Manual Step Procedure 3.Remove grille and front panel 3.Remove grille and front panel 3. Remove Grille and Front Panel 3.Remove grille and front panel Remove connection screws between the front grille Remove connection screws between the Remove connection screws between the front grille and the front panel.
- Page 51 Service Manual Step Procedure Service Manual 6.Remove electric box assy 6. Remove electric box assy Electric box assy 6.Remove electric box assy Electric box assy Remove the 2 screws fixing the cover of elec- Remove the 2 screws fixing the cover of Service Manual tric box.
- Page 52 Service Manual Service Manual Step Procedure 9. Remove Motor and Motor Support 9.Remove motor and motor support 9.Remove motor and motor support Motor support Motor support Remove the 4 tapping screws fixing the motor. Pull out the lead-out wire and remove the Remove the 4 tapping screws fixing the motor.
- Page 53 Service Manual Step Procedure 11. Remove Compressor 11.Remove Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when unsoldering the welding spot.) Remove the 2 Liquid valve screws fixing liquid valve.