Related Manuals for ACPro A Series
Summary of Contents for ACPro A Series
- Page 1 AC Pro A-Series 18-24K Service Manual Models AWH18QD-D3DNB8K/I AWH18QD-D3DNA5K/O AWH24QE-D3DNB8K/I AWH24QE-D3DNA5K/O (Refrigerant R410A)
- Page 2 We reserve the right to correct any clerical errors. Copyright 2018 AC pro.
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Page 3: Safety Precautions: Important
PART I : INSTALLATION & MAINTENANCE 1. 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 repair. DO NOT elongate these wires. Please read the safety precautions carefully before installation or prior to performing any maintenance. - Page 4 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 5 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 6: Installation Dimension Diagram
ervice Manual 8. Installation 2. INSTALLATION 2.1 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 Technical Information llation and Maintenance... - Page 7 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 8: Selection Of Installation Location
2.2 INSTALLATION PARTS CHECKING 2.4 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 9 (ST4.2X25TA) and then check if the frame is firmly installed by pulling the frame. If the plastic expansion particle is loose, (2) Pretightening the union nut with hand. in Fig.5) in the holes. in the holes. torque wrench.(As show in Fig.6) in the holes.
- Page 10 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.
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Page 11: Installation Of Outdoor Unit
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. - Page 12 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 2.8 CHECK AFTER INSTALLATION smoothly.(As show in Fig.27) c.
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Page 13: Wired Controller
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 14 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 15 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 16 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 17 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 18 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.
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Page 19: E-Heater Setting
3.9 E-heater Setting E-heater (also known as auxiliary electric heating function). • This setting improves the efficiency of the heater function. • Press the Function button in heating mode to enter E-heater setting interface. • Pressing ENTER/CANCEL to cancel out of this function. Turn off the unit, without Press Function repeatedly until Press Enter/Cancel to activated... - Page 20 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 21 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 22 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 23: Precautions Before Maintenance
Service Manual Service Manual Maintenance 9. Maintenance 3. MAINTENANCE 1 Precautions before Maintenance 3.1 PRECAUTIONS BEFORE MAINTENANCE 9.1 Precautions before Maintenance e are high-capacity electrolytic capacitors on the outdoor mainboard. Thus, even the power is cut off, there is high voltage inside apacitors and it needs more than 20min to reduce the voltage to safety value. - Page 24 Indoor unit display method Outdoor uniot display (LED have 3 status) Indicator display (LED blinks OFF ON Blinks 0.5s-ON/0.5s-OFF) Name of Double AC Status Malfunctions malfunction 8 code Only for the mode with this function display Running Cooling Heating D40/ D41/ D42/ D43/...
- Page 25 Indoor unit display method Outdoor uniot display (LED have 3 status) Indicator display (LED blinks OFF ON Blinks 0.5s-ON/0.5s-OFF) Name of Double AC Status Malfunctions malfunction 8 code Only for the mode with this function display Running Cooling Heating D40/ D41/ D42/ D43/...
- Page 26 Indoor unit display method Outdoor uniot display (LED have 3 status) Indicator display (LED blinks OFF ON Blinks 0.5s-ON/0.5s-OFF) Name of Double AC Status Malfunctions malfunction 8 code Only for the mode with this function display Running Cooling Heating D40/ D41/ D42/ D43/...
- Page 27 3.3 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 a short circuit due to trip-over of the parts? •...
- Page 28 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: 2. Malfunction of Blocked Protection of IDU Fan Motor H6 • Is the control terminal of PG motor connected tightly? Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? •...
- Page 29 3. Malfunction of Protection of Jumper Cap C5 Main detection points: • Is there a jumper cap on the mainboard? • Is the jumper cap inserted correctly and tightly? • Is the jumper broken? • Is the motor broken? • Detection circuit of the mainboard defined abnormal? Malfunction diagnosis process: Appearance of the Start...
- Page 30 4. Communication malfunction E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to wiring Malfunction eliminated? diagram. Main board matches Match correctly with display board? Main according to the...
- Page 31 5. 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? Replace the detecting plate with the same model Technical Information...
- Page 32 ●Outdoor unit: Key detection point "Test point NO." Test point Related elements Test value under normal condition Test 1 Between A and C Neutral wire ,live wire 160V-265V Test Point Test Point Related Elements Test Value Under Normal Condition Test 2 Between B and C Neutral wire ,live wire 160V-265V...
- Page 33 1. Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: • Detect if the voltage of L and N terminal of wiring board is between 210AC-240AC by alternating voltage meter; • Is reactor (L) well connected? Is connection wire loosened or pulled out? Is reactor (L) damaged? Malfunction diagnosis process: Turn on unit and wait 1 minute Use DC voltmeter to measure the voltage...
- Page 34 2. IPM protection, desynchronizing malfunction, phase current of compressor is overcurrent (AP1 below control board of outdoor unit) Main detection points: • Is control board AP1 and compressor 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)? •...
- Page 35 Energize and switch on If the voltage IPM protection occurs after Use AC voltmeter to measure Check the supply between terminal L and N the machine has run for a the voltage between terminal L voltage and restore it to on wiring board XT is within period of time? and N on the wiring board XT)
- Page 36 3. Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit) Mainly detect: • Is outdoor ambient temperature in normal range? • Is the outdoor and indoor fan operating normally? • Is the radiating environment of indoor and outdoor unit functioning. Malfunction diagnosis process: Anti-high temperature overload protection...
- Page 37 4. Diagnosis for failure start up malfunction (AP1 below is control board of outdoor unit) Main detection point: • Is the compressor wiring correct? • Is the stop time of compressor enough? • Is the compressor damaged? • Is the refrigerant charging too much? Malfunction diagnosis process: Power on the unit If the stop time is not enough...
- Page 38 5. Diagnosis for compressor synchronism (AP1 below is control board of outdoor unit) Main detection point: • Is the system pressure over-high? • Is the work voltage over-low? Malfunction diagnosis process: Synchronism occurred Synchronize, then start during operation Check if the fan Replace Is stop time of the Does the outdoor fan...
- Page 39 6. Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit) Main detection point: • Is the electron expansion valve connected securely? Is the expansion valve damaged? • Is the refrigerant leaking? • Is the overload protector damaged? Malfunction diagnosis process: 20 minutes after the Connect wire securely with...
- Page 40 7. Communication malfunction (AP1 below is control board of outdoor unit) Main detection point: • Check if the connection wire and the built-in wiring of indoor and outdoor unit is connected well and no damaged; • Is the communication circuit of indoor mainboard damaged? Is the communication circuit of outdoor mainboard (AP1) damaged Malfunction diagnosis process: Start...
- Page 41 8. Diagnosis process for outdoor communication circuit Start Test voltage value with test 10 position in diagram with voltage meter Number jumping Test voltage value with test 13 position in diagram with voltage meter Number jumping Test voltage value with test Outdoor unit 11 position in diagram with malfunction...
- Page 42 3.4 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 After energization, operation indicator isnt power recovery.
- Page 43 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 that the capacity Capacity of the ODU fan motor is damaged...
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Page 44: Exploded View And Parts List
10. Exploded View and Parts List 4. EXPLODED VIEW AND PARTS LIST 10.1 Indoor Unit 4.1 Indoor Unit 18K 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. stallation and Maintenance Technical Information... - Page 45 Part Code Description AWH18QD-D3DNB8K/I Product Code CB438N07800 Front Panel 20000300075T Filter Sub-Assy 11122089 Decoration board(left and right) 20192662 Front Case 2002248401 Guide Louver 1051276501 Axile Bush 10542036 Air Louver(Manual) 10512732 Helicoid Tongue 26112512 Left Axile Bush 10512037 Display Board 30565260 Rear Case assy 22202571 Rubber Plug (Water Tray)
- Page 46 Service Manual 24K 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. Technical Information Installation and Maintenance...
- Page 47 Part Code Description AWH24QE-D3DNB8K/I Product Code CB438N07900 Front Panel 20000300076T Filter Sub-Assy 11012007 Screw Cover 2425245301 Front Case 2002248603 Air Louver(Manual) 10512737 Helicoid Tongue 26112513 Left Axile Bush 10512037 Display Board 30565260 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...
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Page 48: Outdoor Unit
4.2 OUTDOOR UNIT Service Manual GWH24QE-D3DNA5K/O AWH18QD-D3DNA5KO 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. Technical Information... - Page 49 Part Code Description AWH18QD-D3DNA5K/O AWH24QE-D3DNA5K/O Product Code CB425W07400 CB425W07700 Front Grill 01473049 01473049 Cabinet 01433047P 01433047P Axial Flow Fan 10335008 10335008 Fan Motor 1501506402 1501506402 Chassis Sub-assy 01700000093P 01700000161P Drainage Hole Cap 06813401 06813401 Clapboard Assy 01233153 01235081 4-way Valve Assy 030152000291 030152000073 Compressor and Fittings...
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Page 50: Removal Procedure
Service Manual Service Manual Service Manual 11. Removal Procedure 11. Removal Procedure 11. Removal Procedure 5. REMOVAL PROCEDURE Warning: Be sure to wait a minimum of 20 minutes Warning: Be sure to wait for a minimum Warning: Be sure to wait for a minimum 11.1 Removal Procedure of Indoor Unit Warning: Be sure to wait for a minimum 11.1 Removal Procedure of Indoor Unit... - Page 51 Service Manual Service Manual Service Manual Step Procedure Electric box cover 2 4. Remove electric box cover 2 and detecting plate(WIFI) Electric box cover 2 4. Remove electric box cover 2 and detecting 4. Remove electric box cover 2 and detecting plate(WIFI) Electric box cover 2 Screw plate(WIFI)
- Page 52 Service Manual Step Procedure 7. Remove electric box assy a. Loosen the connection clasps between shield cover of electric box sub-assy and electric box, and then remove the shield cover of electric box sub-assy. Take off the water retaining sheet. Indoor tube i.
- Page 53 Step Procedure 8. Remove evaporator assy a. Remove 3 screws fixing evaporator assy. b. At the back of the unit, remove the screw fixing connection pipe clamp and remove the connection pipe clamp. G roove R ear case ass y c.
- Page 54 Service Manual Step Procedure 9. Remove motor and cross flow blade a. Remove 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.
- Page 55 11.2 Removal Procedure of Outdoor Unit 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after Warning: Be sure to wait for a minimum of 20 minutes after 5.2 REMOVAL PROCEDU RE OF OUTDOOR UNIT turning off all power supplies and discharge the refrigerant turning off all power supplies and discharge the refrigerant NOTE: Take AWH24QE-D3DNA6E/O for example.
- Page 56 Service Manual Service Manual Step Procedure Steps Procedure Steps Procedure Remove screws connecting the outer case Remove the screws connecting the outer case with Remove the screws connecting the outer case with with motor support, isolation plate and motor support, isolation plate and chassis; lift the motor support, isolation plate and chassis;...
- Page 57 Service Manual ervice Manual Steps Procedure Step Procedure Steps Procedure 4. Remove axial flow blade 4. Remove axial flow blade 4. Remove axial flow blade Remove the nut fixing axial flow blade and then Remove the nut fixing axial flow blade and then remove the blade.
- Page 58 Service Manual Service Manual Service Manual Steps Procedure Step Procedure Steps Procedure Steps Procedure 6. Remove the soundproof sponge 6. Remove the soundproof sponge 6. Remove the soundproof sponge 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the Tear off the sticking stripe and then remove the soundproof sponge.
- Page 59 ervice Manual Service Manual Step Procedure Steps Steps Procedure Procedure 9. Remove compressor 9. Remove compressor 9. Remove compressor Remove the 3 foot nuts fixing compressor, compressor compressor Remove the 3 foot nuts fixing compressor and then Remove the 3 foot nuts fixing compressor and then lift compressor upwards to remove lift the compressor upwards to remove the lift the compressor upwards to remove the...
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