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Related Manuals for Sinclair AST-24BI
Summary of Contents for Sinclair AST-24BI
- Page 1 SERVICE MANUAL TOWER SERIES AST-24BI...
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Page 3: Table Of Contents
Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................2 2.1 Specification Sheet ......................2 2.2 Operation Characteristic Curve ..................4 2.3 Capacity Curve in Different Outdoor Temperature ............4 2.4 Cooling Data Sheet in Rated Frequency ................5 2.5 Noise Curve ........................5 3. - Page 4 Service Manual 9.Troubleshooting ....................35 9.1 Judgement by Flashing LED of Indoor ................35 9.2 How to Check Simply the Main Part of Indoor ...............38 9.3 How to Check Simply the Main Part of Outdoor .............48 9.4 Maintenance Method for Normal Malfunction ..............50 10.
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Page 5: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: Outdoor Unit: Remote Controller: YAP1F4(WiFi) Technical Information... -
Page 6: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Parameter Unit Value Model AST-24BI Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 7200 Heating Capacity 7900 Cooling Power Input 2050 Heating Power Input 2330 Cooling Power Current... - Page 7 Service Manual Model of Outdoor Unit AST-24BI/O Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO,LTD. Compressor Model QXFS-D25zX090H Compressor Oil R68EP Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input 2420 Overload Protector 1NT11L 6233/KSD115℃ /HPC115/95U1 Throttling Method Electron expansion valve Operation Temp ºC...
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Page 8: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling 220V 220V Conditions Indoor:DB27°C/WB19°C Outdoor:DB35°C/WB24°C Indoor air flow:Super High Pipe length:5m 230V 230V 240V Conditions Indoor:DB20°C/WB15°C 240V Outdoor:DB7°C/WB6°C Indoor air flow:Super High Pipe length:5m Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Curve in Different Outdoor Temperature Cooling Heating Conditions... -
Page 9: Cooling Data Sheet In Rated Frequency
Service Manual 2.4 Cooling Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Rated cooling condition(°C) Inlet and outlet pipe Fan speed Fan speed Compressor connecting indoor and (DB/WB) temperature of heat exchanger Model of indoor of outdoor frequency outdoor unit unit unit... -
Page 10: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Unit:mm Model 1770 Technical Information... -
Page 11: Outdoor Unit
Service Manual 3.2 Outdoor Unit Unit:mm Technical Information... -
Page 12: Refrigerant System Diagram
Valve Capillary Strainer Service Manual COOLING 4. Refrigerant System Diagram Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Electronic Strainer expansion COOLING HEATING Connection pipe specification:... -
Page 13: Electrical Part
Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Indoor Unit ● 600007060138 Technical Information... - Page 14 Service Manual ● Outdoor Unit 600007061708 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
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Page 15: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor unit ● Top view Copper pin terminal of communication wire Needle stand of display board Needle stand of up&down swing Needle stand of left&right swing Needle stand of temperature sensor Needle stand of DC fan Earthing wire terminal Fuse Copper pin terminal of live... - Page 16 Service Manual Outdoor unit Top View Name Name Name Compressor three phase input interface Terminal of high pressure protection 11 Terminal of chassis electric heating Terminal of low ambient temperature Terminal of low pressure protection 12 Terminal of live wire cooling temperature sensor Terminal of electronic expansion valve Terminal of outdoor fan...
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Page 17: Function And Control
Service Manual 6. Function and Control 6.1 Function Buttons of Air Conditioner Button’s Name and Function ON/OFF button MODE button FAN button FUNCTION button ▼/▲ button ON/OFF button MODE FUNC. Introduction for icons on display screen of air conditioner Ambient temperature Timer Operation or set temperature... - Page 18 Service Manual Button’s introduction ▼/▲ button After each pressing of "▲" or "▼" button, set temperature will increase or decrease . Temperature adjustment range is . This button is invalid under auto mode. Timer setting can be set in 1h increment among 0~24h. When it is adjusted to auxiliary heating function setting through Function button,press this button to turn on or turn off auxiliary heating.
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Page 19: Remote Control Operations
Service Manual 6.2 Remote Control Operations Buttons on remote controller ON/OFF button SAVE button FAN button MODE button ▲/ button HEAT button COOL button button button SLEEP button WiFi button X-FAN/E-HEATER button QUIET button LIGHT button TIMER button Introduction for icons on display screen Set fan speed fan speed. - Page 20 Service Manual ON/OFF button Press this button can turn on or turn off the air conditioner. After turning on the air conditioner, indoor unit will give out a sound. SAVE button Under cooling mode, press this button to start up or turn off energy-saving function.When energy-saving function is started up, "SE"...
- Page 21 Service Manual button Under simple swing mode, press this button can turn on (" " icon is displayed) or turn off (" " icon is not displayed) the left&right swing function. When the unit is turned off by remote controller, press "▲" button and " "...
- Page 22 Service Manual QUIET button Press this button can turn on or turn off QUIET function. This function is not available for this unit. LIGHT button Press this button to turn off display light on indoor unit. Press this button again to turn on display light. TIMER button ▲...
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Page 23: Description Of Each Control Operation
Service Manual 6.3 Description of Each Control Operation Note:Heating function is not available for this model. 1.Basic Functions 1.1 Cooling Mode When Tamb.≥Tpreset+1 , the unit will run in cooling mode. Meanwhile, compressor and outdoor fan will run. Indoor fan will run at setting fan speed;... - Page 24 Service Manual 3.3 Sleep If the controller is in cooling or dry mode, after the sleep function is started, Tpreset will be increased but it won’t increase over 3 . Then the unit will run at the increased temperature. If the controller is in heating mode, after the sleep function is started, Tpreset will be decreased and it won’t decrease over 3 .
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Page 25: Ewpe Smart App Operation Manual
Service Manual 6.4 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Home Wi-Fi Cellular/ home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version... - Page 26 Service Manual Your notices Gree Cloud Gree intelligent home appliances Technical Information...
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Page 27: Part Ⅱ : Installation And Maintenance
Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire from the manufacture or distributor. Prohibit prolong the wire by Important! yourself. - Page 28 Service Manual To ensure safety, please be mindful of the following precautions. ●When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
- Page 29 Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant.
- Page 30 Service Manual Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
- Page 31 Service Manual Main Tools for Installation and Maintenance 1. Measuring tape 2. Screw driver 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.
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Page 32: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Away from wall (30cm at least for piping side) Away from obstacles Space to the wall Away from wall (30cm at Space to the wall At least 5 8/9 inch At least 5 8/9 inch least for piping side) Away from back side Drainage pipe... - Page 33 Service Manual Installation procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Drill wall holes (select it according to the actual situation) Connect pipes of indoor Fix outdoor unit unit and drainage pipe...
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Page 34: Installation Parts-Checking
Service Manual 8.2 Installation Parts-checking 8.4 Requirements for electric connection Name Name Safety Precaution: Indoor unit Sealing gum 1.Must follow the electric safety regulations when installing the unit. Outdoor unit Wrapping tape 2.If the supply cord is damaged, it must be replaced by the Support of outdoor Connection pipe manufacturer or its... - Page 35 Service Manual Note: 1.Pay attention to dust prevention and take relevant Refer to the following table for wrench moment of force: safety measures when opening the hole. Hex nut diameter(mm) Tightening torque(N m) 2.The plastic expansion particles are not provided and Φ6(1/4") 15~20 should be bought locally.
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Page 36: Installation Of Outdoor Unit
Service Manual 3. Adjust the position of upper and lower adjusting baffle; Step Eight: place the indoor unit 1.Put the bound pipes in the wall pipe and then make them clamp the connection pipe and drain pipe as firm as pass through the wall hole. - Page 37 Service Manual Step two: install drain joint (only for cooling and heating Handle unit) 1. Connect the outdoor drain joint into the hole on the chassis, N(1) 2 as shown in the picture below. yellow- blue black brown brown blue yellow- 2.
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Page 38: Vacuum Pumping And Leak Detection
Service Manual 8.8 Check after Installation and Test 8.7 Vacuum Pumping and Leak Detection Operation Use Vacuum Pump 1. Check After Installation 1. Remove the valve caps on the liquid valve and gas valve Check according to the following requirement after finishing and the nut of refrigerant charging vent. -
Page 39: Troubleshooting
Service Manual 9.Troubleshooting 9.1 Judgement by Flashing LED of Indoor Malfunction Error A/C Status Possible Causes Name Code 1. The main board and the display panel are not connected well. 2. The OVC terminal on main board is not connected well with the high pressure switch on the complete unit. - Page 40 Service Manual Malfunction Error A/C Status Possible Causes Name Code 1. Main board of indoor unit is damaged; WIFI Loads operate normally, while the unit can’t 2. Detection board is damaged; communication be normally controlled by APP. 3. The connection between indoor unit and detection malfunction board is not good;...
- Page 41 Service Manual Malfunction Error A/C Status Possible Causes Name Code 1. The wiring terminal between outdoor discharge The unit will stop operation as it temperature sensor and maiboard is loosened or poorly reaches the temperature point. Outdoor contacted; During cooling and drying operation, discharge 2.
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Page 42: How To Check Simply The Main Part Of Indoor
Service Manual 9.2 How to Check Simply the Main Part of Indoor 1. High pressure protection (E1) Start Connect the display panel with the main board well Are the display panel and main board Malfunction is eliminated. connected tightly? Are the OVC terminal Connect the OVC terminal on the main board with on the main board connected Malfunction is eliminated. - Page 43 Service Manual 2. Freeze protection(E2) Start Clean the filter, check Is the problem Poor air return in indoor unit space at the top of solved? indoor unit Check whether jumper Is the problem The fan speed is abnormal cap and motor is solved? normal Is the problem...
- Page 44 Service Manual 3. Low pressure protection of compressor (E3) “E3" is displayed on the unit. Is the terminal Re-insert it tightly of low pressure switch to ensure reliable inserted well? contact. Is the malfunction eliminated? Is the system pressure higher than the acting Add refrigerant.
- Page 45 Service Manual 4. High discharge temperature protection of compressor (E4) Start Check the system; Problem is Abnormal system (blockage) eliminate the solved blockage Motor speed of Check wiring and Problem is outdoor unit is abnoral fan capacitor, solved (under cooling mode) replace motor Check the unit to Abnormal air in for...
- Page 46 Service Manual 5. Overcurrent protection (E5) Start Normal fluctuation is within 10% of the rated voltage on the Is the supply voltage unstable with big fluctuation? Malfunction is eliminated. nameplate Is the supply voltage too low with overload? Adjust the supply voltage to maintain it within normal range Malfunction is eliminated.
- Page 47 Service Manual 6. Malfunction of Temperature Sensor (F1, F2, F3, F4, F5) Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip - over of the parts? Make the parts upright Is malfunction...
- Page 48 Service Manual 7. Communication malfunction(E6) If the unit operates normally before malfunction Check the connection wire according to the wiring diagram. Check built-in wiring If the connection wire of indoor and outdoor is connected well? unit Reconnect the wire or Replace the If the wiring is replace the connection...
- Page 49 Service Manual 8. High temperature and overload protection (AP1 below means control board of outdoor unit) E8 Main detection points: If the outdoor ambient temperature is in normal range; If the indoor and outdoor fan are running normally; If the radiating environment of indoor and outdoor unit is good. Malfunction diagnosis process: Start Normal protection, please use it...
- Page 50 Service Manual 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. Compressor doesn't work Malfunction is Make compressor run normally. normally. Strange noise or leakage occurs. eliminated.
- Page 51 Service Manual 10. 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...
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Page 52: How To Check Simply The Main Part Of Outdoor
Service Manual 9.3 How to Check Simply the Main Part of Outdoor 1. E1: High pressure protection Malfunction description: The pressure of ODU high pressure side is too high. Main check points: a. Is the system pressure is normal; b. Is the pressure switch is normal; c. - Page 53 Service Manual They should be almost the same, if they’re with big difference, the compressor is damaged, please check the insulation condition of three phases to the case. 11. HC: PFC protection Main check points: a. Check if the unit voltage input is normal; b.
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Page 54: Maintenance Method For Normal Malfunction
Service Manual 9.4 Maintenance Method for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery. - Page 55 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
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Page 56: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 57 Service Manual Part Code Description AST-24BI Baffle Plate 2611454401 Left Side Plate Sub-Assy 00013100003 Top Cover Sub-Assy 20906900008 Rear Plate Sub-Assy 01304364 Right Side Plate Sub-Assy 00013000005 Breakwater Sub-Assy 01364069P Evaporator Assy 01100100218 Protection Cover 20124112 Air Guard Sub-Assy SteppingMotor...
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Page 58: Outdoor Unit
Service Manual 10.2 Outdoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 59 Service Manual Part Code Description AST-24BI/O Front Grill 22413045 Front Panel 01535013P Axial Flow Fan 10335008 Fan Motor 1501506402 Electric Box Assy 100002066933 Main Board 300027060927 Terminal Board 422000060009 Handle 26233053 Left Side Plate 01305093P Supporting Board(Condenser) 01795031 Coping 012049000007P...
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Page 60: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure 1.Outside view of indoor unit 2.Remove the big front panel sub-assy Open the screw cover, use screwdriver to remove the screws at both side of big front panel sub-assy air-in panel, push the big front panel upwards and then separate the connector... - Page 61 Service Manual Step Procedure 3.Remove display box sub-assy screw Take out the connection wire of display from the wire groove, remove the fixing screws of display box sub-assy, and then remove the display box sub-assy. display box sub-assy big front panel sub-assy 4.
- Page 62 Service Manual Step Procedure 6.Remove electric box and wire-passing groove sub-assy Remove the four screws fixing the electric box cover and then remove the electric box cover; disconnect the wiring terminal of each electronic components and then remove related electronic components according to your requirements;...
- Page 63 Service Manual Step Procedure 8.Remove upper cover, horizontal louver, swing board swing board upper cover a.Remove 2 screws at the upper part of the upper cover and two screws at the screw back side of the air-outlet panel. horizontal louver b.After removing the air-guiding connecting robe, and then pull the horizontal louver air swing...
- Page 64 Service Manual Step Procedure 11.Remove top cover screw Remove 5 screws used for fixing the top cover, pull it upwards and then remove the top cover top cover. 12.Remove evaporator Remove 4 screws used for fixing the top screw connection board and lower connection board of evaporator and 2 screws used for fixing the side plate, pull left and right side plates outwards slightly and take...
- Page 65 Service Manual Step Procedure 13.Remove propeller housing, centrifugal blade and motor a.Remove 3 screws used for fixing the press plate of propeller housing, and then propeller housing take out the pressure plate of propeller housing. b.Rotate the diversion loop to a certain diversion loop position in the clockwise direction and then take out the diversion loop,...
- Page 66 Service Manual Step Procedure 15. Remove left and right side plates sub-assy Remove screws on both plates, pull it to both sides respectively and then remove left and right side plates sub-assy. right side plate sub-assy left side plate sub-assy Installation and Maintenance...
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Page 67: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps Procedure 1. Remove big handle,valve cover and top cover Remove the screw connecting the big handle and right side plate, and then remove the big handle. - Page 68 Service Manual Steps Procedure Remove the screws connecting the outer case with motor support, isolation plate and chassis; lift the outer case upwards; loosen the clasps of outer case with right side plate and left side plate, and then remove the outer case. outer case 3.
- Page 69 Service Manual Steps Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow fan motor support Remove the 6 screws fixing the motor and then remove the motor. Remove the 2 screws connecting the motor support and chassis, and then loosen the stopper to remove the motor support.
- Page 70 Service Manual Steps Procedure 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the soundproof sponge. soundproof sponge 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
- Page 71 Service Manual Service Manual Steps Procedure 9. Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects.
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Page 72: Appendix
Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius （℃） Celsius （℃） Celsius （℃） temperature temperature temperature （℉）... -
Page 73: Appendix 3: Pipe Expanding Method
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●... -
Page 74: Appendix 4: List Of Resistance For Temperature Sensor
Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009... - Page 75 Service Manual Resistance Table of Tube Temperature Sensors for Outdoor and Indoor(20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2 4.289...
- Page 76 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08 580.6...
- Page 77 This product was manufactured in China (Made in China). REPRESENTATIVE SINCLAIR EUROPE spol. s r.o. Purkynova 45 612 00 Brno Czech Republic TECHNICAL SUPPORT Sinclair Global Group spol. s r.o. Purkyňova 45 612 00 Brno Czech Republic Tel.: +420 800 100 285 Fax: +420 541 590 124 www.sinclair-solutions.com...