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Summary of Contents for Sinclair MV-C12BI2
- Page 1 Service Manual Ver. 01 11 05 2021 MULTI VARIABLE SERIES CASSETTE UNITS MV-C12BI2 MV-C18BI2 MV-C24BI2...
- Page 2 I M P O R T A N T N O T E : Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
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Page 3: Table Of Contents
Table of Contents Service Manual Part Ⅰ : Technical Information ........2 1. Summary ................. 2 2. Specifications ............... 3 2.1 Specification Sheet ....................3 3. Outline Dimension Diagram ........7 4. Refrigerant System Diagram ......... 8 5. Electrical Part ............... 9 5.1 Wiring Diagram ......................9 5.2 PCB Printed Diagram... - Page 4 Service Manual 9. Maintenance ..............34 9.1 Error Code List ......................34 9.2 Procedure of Troubleshooting ................35 9.3 Troubleshooting for Normal Malfunction ............41 10. Exploded View and Parts List ......43 11. Removal Procedure ..........51 Appendix ................55 Appendix 1: Reference Sheet of Celsius and Fahrenheit .......55 Appendix 2: Configuration of Connection Pipe ..........55...
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Page 5: Part Ⅰ : Technical Information
1. Summary Service Manual Indoor Unit: MV-C12BI2 MV-C18BI2 MV-C24BI2 Remote Controller: YAP1F7(WiFi) ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP Model list: Remote Model Product code Controller MV-C12BI2 CN510N0290 YAP1F7 MV-C18BI2 CN510N0280 (WiFi) MV-C24BI2 CN510N0300... -
Page 6: Specifications
2. Specifications Service Manual 2.1 Specification Sheet Model MV-C12BI2 Product Code CN510N0290 Rated Voltage 220-240 Power Rated Frequency Supply Phases Cooling Capacity 3.50 Heating Capacity 4.00 Air flow volume 560/490/420/350 Dehumidifying Volume Fan Type Centrifugal Fan Diameter-height Φ315-162.5 Fan Motor Cooling Speed... - Page 7 Service Manual Model MV-C18BI2 Product Code CN510N0280 Rated Voltage 220-240 Power Rated Frequency Supply Phases Cooling Capacity 5.00 Heating Capacity 5.50 Air flow volume 650/490/420/350 Dehumidifying Volume Fan Type Centrifugal Fan Diameter-height Φ315-162.5 Fan Motor Cooling Speed 780/660/600/560/520/480/440 Fan Motor Heating Speed 780/660/600/560/520/480/440 Fan Motor Power Output Fan Motor Power Input...
- Page 8 Service Manual Model MV-C24BI2 Product Code CN510N0300 Rated Voltage 220-240 Power Rated Frequency Supply Phases Cooling Capacity 7.00 Heating Capacity 8.00 Air flow volume 1100/1050/950/910870//830/800 Dehumidifying Volume Fan Type Centrifugal Fan Diameter-height Φ478.4-134 Fan Motor Cooling Speed 560/540/520/500/480/460/440 Fan Motor Heating Speed 560/540/520/500/480/460/440 Fan Motor Power Output Fan Motor Power Input...
- Page 9 Service Manual Note: Nominal capacities are based on the follow conditions. Mode Indoor ºC(ºF) Outdoor ºC(ºF) DB:27 (80.6) DB:35(95) Cooling WB:19 (66.2) WB:24(75.2) DB:20 (68) DB:7(44.6) Heating WB:--(--) WB:6 (42.8) Piping Length The air volume is measured at the relevant standard external static pressure. Noise is tested in the semianechoic room, so it should be slightly higher in the actual operation due to environmental change.
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Page 10: Outline Dimension Diagram
3. Outline Dimension Diagram Service Manual MV-C12BI2 , MV-C18BI2 Unit: mm Model MV-C12BI2 MV-C18BI2 MV-C24BI2 Unit: mm Model MV-C24BI2... -
Page 11: Refrigerant System Diagram
4. Refrigerant System Diagram Service Manual... -
Page 12: Electrical Part
Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. MV-C12BI2 , MV-C18BI2 600007064519... - Page 13 Service Manual MV-C24BI2 600007064520 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
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Page 14: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram MV-C12BI2 , MV-C18BI2 Name Name Fuse Up&down swing terminal Interface of live and neutral wire Water full detection terminal Interface of fan 10 Interface of tube temperature sensor Interface of gate-control detection Interface of ambient temperature sensor... - Page 15 Service Manual MV-C24BI2 Name Name Interface of fan Water full detection terminal Interface of live wire 10 Up&down swing terminal Fuse Jumper cap terminal Interface of netural wire 12 Display interface Terminal with outdoor unit 13 Wired controller communication wire Water pump control 14 Interface of gate-control detection Interface of ambient temperature sensor...
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Page 16: Function And Control
6. Function and Control Service Manual 6.1 Remote Controller Introduction NOTE: ● This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status. ●... - Page 17 Service Manual NOTE: ● Set temperature range from remote controller: 16~30℃ (61- ● Press this button continuously more than 2s, the main unit 86℃ ). ● Under auto mode, temperature can be displayed; will swing back and forth from left to right, and then loosen Under auto mode, set temperature can be adjusted.
- Page 18 Service Manual blinking. " " icon resumes displaying. Cancel T-ON: Unde ● The interval between two operations can't exceed 5s. the condition that T-ON is started up, press "T-ON " button to Otherwise, remote controller will quit setting status. Operation cancel it.
- Page 19 Service Manual ● Sleep function and energy-saving function can't operate at WiFi the same time. If energy-saving function has been set under Press " WiFi " button to turn on WiFi function, " WiFi " icon will cool mode, press SLEEP button will cancel energy-saving be displayed on the remote controller;...
- Page 20 Service Manual Replacement of batteries in remote controller ① ④ ② ③ Fig.1 Fig.2 1. Lift the cover along the direction of arrow (as shown in Fig 1 ① ). 2.Take out the original batteries (as shown in Fig 1 ② ). 3.Place two 7# (AAA 1.5V) dry batteries, and make sure the position of “...
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Page 21: Brief Description Of Models And Functions
Service Manual 6.2 Brief Description of Models and Functions Indoor Unit speed and swing function is turned on. Press this auto button at ● ON status to turn off the unit. (3) Auto fan 1.Basic function of system Heating mode: During auto heating mode or normal heating ode, (1)Cooling mode auto fan speed will adjust the fan speed automatically according (1) Under this mode, fan and swing operates at setting status. - Page 22 Service Manual pipe. (17)Instructions to the Error Indicating Lamps on the (2) Exit refrigerant recycling function Panel of the Cassette Type Unit. After entering refrigerant recycling mode, when receive any remote control signal or enter refrigerant recycling mode for 25min, the unit will exit refrigerant recycling mode automatically If the unit is in standby mode before refrigerant recycling, it will be still in standby mode after finishing refrigerant recycling;...
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Page 23: Notes For Installation And Maintenance
7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! 11. For the air conditioner without plug, an air switch must be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than Please read the safety precautions carefully before 3mm. - Page 24 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 5.When installing the unit, make sure that connection keep the refrigerant circuit free from air or substances pipe is securely connected before the compressor other than the specified refrigerant.
- Page 25 Service Manual Installation notes Safety Precautions for Refrigerant ●To realize the function of the air conditioner unit, a special ●The air conditioner is not allowed to use in a room that has running fire (such as fire source,working coal gas ware, refrigerant circulates in the system.
- Page 26 Service Manual f. Carry back to the service spot for welding ●Make sure that there isnt any naked flame near the outlet of the vacuum pump and its well-ventilated. ●The refrigerant should be recycled into the specialized storage tank. Filling the refrigerant ●Use the refrigerant filling appliances specialized for R32.
- Page 27 7. Notes for Installation and Maintenance Service Manual Main Tools for Installation and Maintenance Level meter Measuring tape Screw driver Impact drill Drill head Electric drill Electroprobe Universal meter Inner hexagon Electronic Torque wrench Open-end wrench spanner leakage detector Vacuum pump Pressure meter Pipe pliers Pipe pliers...
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Page 28: Installation
8. Installation Service Manual 8.1 Outline of the Unit and Main Parts Indoor 1. Drainage device Drainage pipe 4. Connection pipe... -
Page 29: Preparative For Installation
Service Manual 8.2 Preparative for Installation 8.2.1 Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories Name Appearance Q'ty Usage To connect with the hard PVC drain Drain Hose pipe Nut with Washer... -
Page 30: Installation Of Cassette Type
Models H(mm) that the electrical insulation must comply with applicable MV-C12BI2 standards. MV-C18BI2 Ensure that the place of installation is far from the area where the inflammable or explosive substances are stored, thus to MV-C24BI2 avoid possible explosion or fire due to leakage. -
Page 31: Installation Of The Connection Pipe
Service Manual Notes: 8.3.7. Leveling (1). The fuse is located on the main board. (2). Install the disconnect device with a contact gap of at least The water level test must be done after installing the indoor 3mm in all poles nearby the units (Both indoor unit and outdoor unit to make the unit is horizontal, as shown below. - Page 32 Flare nut tightening torque Service Manual Pipe Diameter Tightening Torque CAUTION! CAUTION! 1/4˝(Inch) 15-30 (N·m) Flare nut tightening torque Table 5 3/8˝(Inch) Flare nut tightening torque 35-40 (N·m) To prevent breaking of the pipe, avoid sharp bends. Bend the Pipe Diameter Tightening Torque To prevent breaking of the pipe, avoid sharp bends.
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Page 33: Installation Of The Drain Hose
Indoor Unit into the connection pipe when removing the hose. Note that MV-C12BI2 ≤12mm the gas and liquid valve can be opened fully only after the Indoor Unit MV-C18BI2 manifold valve assembly is removed. - Page 34 (1). Make sure that heat insulation work is executed on the following Service Manual 2 spots to prevent any possible water leakage due to dew condensation. 1). Connect the drain hose to the drain lift pipe, and insulate them. (3). When unifying multiple drain pipes, install the pipes 2).
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Page 35: Installing The Front Panel
(4). Fig.30 CAUTION! Service Manual The power source capacity must be the sum of the air conditioner current and the current of other 8.6 Installing the Front Panel (3) After installing the front panel, make sure there’s no gap capacity. between the unit and the front panel. -
Page 36: Installation Of Controrllers
i l p mm (15/16") . 2). Using a screwdriver, remove the terminal screw(s) on the Outdoor unit connection terminal board. Service Manual 3). Using pliers, bend the solid wire to form a loop suitable for the terminal screw. 4). Shape the loop wire properly, place it on the terminal (2). -
Page 37: Maintenance
9. Maintenance Service Manual 9.1 Error Code List 1. In defect of refrigerant; The Dual-8 Code 2. Indoor evaporator In defect of Display will show temperature sensor refrigerant F0 and the complete works abnormally; unit stops. 3. The unit has been plugged up somewhere. -
Page 38: Procedure Of Troubleshooting
Service Manual 9.2 Procedure of Troubleshooting 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 39 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Start Turn the fan blades by hand under power-off condition Adjust the motor and blade Whether the fan blades assembly so that rotor can run can run smoothly? smoothly.
- Page 40 Service Manual 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? ● The jumper is broken? ● The motor is broken? ●...
- Page 41 Service Manual 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 Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of Malfunction eliminated?
- Page 42 Service Manual 5. Malfunction of Insufficient fluorine protection F0 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.
- Page 43 Service Manual 6. Full Water Protection E9...
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Page 44: Troubleshooting For Normal Malfunction
Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isnt bright wait for power recovery. - Page 45 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is universal meter and find that the capacity is out of...
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Page 46: Exploded View And Parts List
10. Exploded View and Parts List Service Manual MV-C12BI2 , MV-C18BI2 The component picture is only for reference; please refer to the actual product. - Page 47 Service Manual Part Code Description MV-C12BI2 MV-C18BI2 Product Code CN510N0290 CN510N0280 Electric Box Assy 100002071502 100002071509 Terminal Board 422000060015 422000060015 Main Board 300002061959 300002061959 Water Tray Assy 000069060065 000069060065 Centifugal Fan 103003060008 103003060008 Connection Sheet Sub-Assy 017025060047 017025060047 Water Level Switch...
- Page 48 TF-05 panel The component picture is only for reference; please refer to th e actual product.
- Page 49 Part Code Description TF-05 Product Code TL10000230 Front Grill 200226060012S Display Board 300001060286 Corner Cover Sub-assy 209066060003 Left Axile Bush 10512037 Step Motor 15729401 Crankshaft 200023060001 Corner Cover Sub-assy 209066060002 Corner Co v er Sub-assy 209066060001 Guide Louver 200004060025 Front Case 200002060020 Filter Sub-Assy 111001060046...
- Page 50 Service Manual MV-C24BI2 The component picture is only for reference; please refer to the actual product.
- Page 51 Service Manual Part Code Description MV-C24BI2 Product Code CN510N0300 Electric Box Assy 100002071503 Terminal Board 42000100000207 Diversion Circle 26909400067 Water Tray Assy 000069060008 Centrifugal Fan 10429400004 Liquid Level Switch 4502021601 Body Installing Plate 01332701 Seal plate Assy 01499400003 Fixed Mount 0184940002001P Evaporator Assy 011001000254...
- Page 52 TF-06 panel The component picture is only for reference; please refer to the actual product.
- Page 53 Part Code Description TF-06 Product Code TL10000220 Front Grill Assy 000142000003 Front Panel 20000300010202 Left Axile Bush 10512037 Motor Box 26909460 Step Motor 15729401 Crank 10582070 Louver Motor Sub-assy 15409407 200248000004 Corner Cover Corner Cover 200248000003 120000060167 Foam Foam 120000000035 120000000036 Foam Corner Cover...
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Page 54: Removal Procedure
11. Removal Procedure Service Manual Caution: discharge the refrigerant completely before removal. Removal of fan and motor Note: Before removing the motor, power must be cut off. Step Picture Work instruction Turn off the power supply of indoor unit. Push the 4 corner plates in the 1. - Page 55 Service Manual Removal of fan and motor Note: Before removing the motor, power must be cut off. Step Picture Work instruction Use a screwdriver to remove the 4. Remove the fan. clamping band of motor. Then remove the fan. Use a screwdriver to unscrew 5.
- Page 56 Service Manual Removal of fan and motor Note: Before removing the motor, power must be cut off. Step Picture Work instruction Direct the 4 corners of water tray to the 4 corners of the unit and then press them. Use a screwdriver to tighten the screws in the 4 corners.
- Page 57 Service Manual Removal and installation of drain pump Step Picture Work instruction 5. Remove the drain pipe and Take out the drain pipe and use loosen the screws of water a screwdriver to loosen the pump. screws of water pump. Remove and replace the Remove the pump and replace pump.
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Page 58: Appendix
Appendix Service Manual Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（℉） temperature（℉） temperature（℉） （℉） （℃） （℉） （℃）... -
Page 59: Appendix 3: Pipe Expanding Method
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please expand Pipe cutter the pipe according to the following steps: A:Cut the pip Leaning Uneven Burr ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●... -
Page 60: Appendix 4: List Of Resistance For Temperature Sensor
Appendix Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90... - Page 61 Great Britain www.sinclair-world.com This product was manufactured in China (Made in China). R E P R E S E N T A T I V E SINCLAIR Global Group s.r.o. Purkynova 45 612 00 Brno Czech Republic T E C H N I C A L S U P P O R T SINCLAIR Global Group s.r.o.
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