Sinclair MULTI VARIABLE SERIES Service Manual
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Summary of Contents for Sinclair MULTI VARIABLE SERIES
- Page 1 SERVICE MANUAL MULTI VARIABLE SERIES CASSETTE MV-CxxBI...
- Page 2 “Original instructions” IMPORTANT NOTE: Read this manual ca r efully befo r e 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
Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................2 2.1 Specification Sheet ......................2 3. Outline Dimension Diagram ................5 4. Refrigerant System Diagram ..............6 5. Electrical Part ......................7 5.1 Wiring Diagram .........................7 5.2 PCB Printed Diagram .......................9 6. - Page 4 Service Manual Appendix: ........................42 Appendix 1: Reference Sheet of Celsius and Fahrenheit ............42 Appendix 2: Configuration of Connection Pipe ..............42 Appendix 3: Pipe Expanding Method ...................43 Appendix 4: List of Resistance for Temperature Sensor ............44...
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Page 5: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit MV-C12BI MV-C18BI MV-C24BI Remote Controller YT1F(MOTO) -
Page 6: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Parameter Unit Value Model MV-C12BI MV-C18BI Product Code CN510N0120 CN510N0130 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Cooling Capacity 3.50 4.50 Heating Capacity 4.00 Air flow volume(SH/H/M/L/SL) 650/560/520/450/- 710/670/590/450/- Dehumidifying Volume Fan Type Centrifugal Centrifugal... - Page 7 Service Manual Parameter Unit Value Model MV-C24BI Product Code CN510N0140 Rated Voltage 220-240 Power Rated Frequency Supply Phases Cooling Capacity 7.10 Heating Capacity Air flow volume(SH/H/M/L/SL) 1280/1220/1100/880/- Dehumidifying Volume Fan Type Centrifugal Fan Diameter-height Φ450-142 Fan Motor Cooling Speed(SH/H/M/L/SL) 650/620/560/450/- Fan Motor Heating Speed(SH/H/M/L/SL) 650/620/560/460/- Fan Motor Power Output...
- Page 8 Service Manual Note: Nominal capacities are based on the follow conditions. Mode Indoor Outdoor 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 9: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram MV-C12BI, MV-C18BI MV-C24BI Unit:mm Item Model MV-C12BI MV-C18BI MV-C24BI... -
Page 10: Refrigerant System Diagram
Service Manual 4. Refrigerant System Diagram... -
Page 11: Electrical Part
Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol 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. ●... - Page 12 Service Manual MV-C24BI 600007060124 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
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Page 13: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Top view Name Interface of fan Interface of live wire Fuse Interface of netural wire Air terminal Terminal with outdoor unit communication wire Water pump control Interface of ambient temperature sensor Interface of tube temperature sensor 10 Water full detection terminal Up&down swing motor 12 Jumper cap terminal... -
Page 14: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on remote controller ON/OFF button MODE button +/- button FAN button I FEEL button button button button CLOCK button TIMER ON/TIMER OFF button X-FAN button Note: X-FAN is the same with BLOW TEMP button TURBO button SLEEP button... - Page 15 Service Manual MODE button Press this button to select your required operation mode. AUTO COOL HEAT After selecting auto mode, air conditioner will operate automatically according to ambient temperature. Set temperature can’t be adjusted and will not be displayed as well. Press " FAN" button can adjust fan speed. Press " "...
- Page 16 Service Manual button Press this button can select up&down swing angle. Fan blow angle can be selected circularly as below: no display (horizontal louvers stops at current position) When selecting " ", air conditioner is blowing fan automatically. Horizontal louver will automatically swing up & down at maximum angle.
- Page 17 Service Manual When selecting " " with remote controller, temperature indicator on indoor unit displays outdoor ambient temperature. Note: Outdoor temperature display is not available for some models. At that time, indoor unit receives " "signal, while it displays indoor set temperature. It’s defaulted to display set temperature when turning on the unit.There is no display in the remote controller.
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Page 18: Brief Description Of Modes And Functions
Service Manual 6.2 Brief Description of Modes and Functions 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status. - Page 19 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 16 C.
- Page 20 Service Manual (17)Instructions to the Error Indicating Lamps on the Panel of the Cassette Type Unit. Receiver "88" Dispaly" Auto" Button Power Timer "Test" Button Indicating Lamp Indicating Lamp Power and ON/OFF Indicating Lamp: It goes red when the unit is powered on while it goes white when the unit is started. Timer Indicating Lamp: Timer indicator on indoor unit will be on when timer ON is set under off status and timer OFF is set under on status.
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Page 21: 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 Important! from the manufacture or distributor. Prohibit prolong the wire by yourself. - Page 22 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 23 Service Manual Main Tools for Installation and Maintenance 1. Level meter, 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.
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Page 24: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Indoor... -
Page 25: Installation Of Cassette Type
Service Manual 8.2 Installation of Cassette Type 8.2 Installation of Cassette Type 8.2.1. Before Installation After receiving the machine, please check for any transport damage. If finding any surface or internal damage, please immediately report to the transport company or equipment company in writing. After receiving the machine, please check the unit and Note: There will be large amount of greasy dirt accumulated on the fan, heat exchanger and water accessories in reference to the packing list. - Page 26 Service Manual 8.2.3. Installing the Suspension Bolts (2) Place the panel at the unit, and latch the hooks beside and opposite the swing flap motor. (1) Using the installation template, drill holes for bolts (four (3) Latch other two hooks. holes).
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Page 27: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List If cut-off of water level switch is detected for 8s successively once Full water Water level energized, the system will enter protection switch full water protection. In this case, switch off the unit and then switch it on to eliminate this malfunction. -
Page 28: Troubleshooting For Main Malfunction
Service Manual 9.2 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 29 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 30 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 31 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 32 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 33 Service Manual 6. Full Water Protection E9...
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Page 34: Maintenance Method For Normal Malfunction
Service Manual 9.3 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 35 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 36: Removal Procedure
Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 1. Loosen the screws fixing the water tray Use screwdriver to loosen the screws fixing the water tray 2. - Page 37 Service Manual 4. Remove the fan Remove the fan 5. Loosen the screws fixing the motor Use screwdriver to loosen the screws fixing the motor 6. Remove the motor and replace it Remove the motor and replace it 7. Tighten the screws fixing the motor Use screwdriver to tighten the screws fixing the motor.
- Page 38 Service Manual 8. Mount the fan and tighten the fixing bolts Mount the fan and use spanner to tighten the bolts fixing the fan. 9. Mount the water tray and tighten the screws Use screwdriver to loosen the screws fixing the water tray 10.Removal and Installation of Drainage Pump Loosen the screws...
- Page 39 Service Manual Take out the pump and replace it Connect the drainage pipe and use screwdriver to tighten the screws fixing the water pump. Mount the water tray and tighten the screws Use screwdriver to loosen the screws fixing the water tray...
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Page 40: 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 60.8 69/70 69.8 78/79 78.8 62/63... -
Page 41: 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 42: Appendix 4: List Of Resistance For Temperature Sensor
Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (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 16.39 3.454... - Page 43 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 1.233...
- Page 44 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 73.83...
- Page 45 PARTS GUIDE MULTI VARIABLE SERIES MV-C12BI, MV-C18BI, MV-C24BI...
- Page 46 MV-C12BI...
- Page 47 Description Part Code Note Qty Price Code MODEL: MV-C12BI Cassette unit Rear Grill 26909400007 Brushless DC Motor 15709400004 Water Tray Assy 01289400004 Water Pump 4313800005801 Supporter none Liquid Level Switch 450102013 Pump Drainpipe 26909400069 Water Pump Assy 15409400008 Right Side Plate Sub-Assy 01319400013 Bottom Foam Assy 12509400004...
- Page 48 MV-C18BI...
- Page 49 Description Part Code Note Qty Price Code MODEL: MV-C18BI Cassette unit Rear Grill 26909400007 Diversion Circle 10479400001 Water Tray Assy 01289400004 Centrifugal Fan 10429400001 Supporter 01809400007 Baffle Plate Sub-assy 01359400002 Liquid Level Switch 450102013 Pump Drainpipe 26909400069 Left Side Plate Sub-Assy 01319400012 Press Plate (Outlet Pipe) 01349400004...
- Page 50 MV-C24BI...
- Page 51 Description Part Code Note Qty Price Code MODEL: MV-C24BI Cassette unit Tube Exit Plate Assy 01382715 Shell Assy 01432703 Body Installing Plate 01332701 Front Side Plate assy 01302718 Left Side Plate Assy 01302715 Base Plate Assy 01222701 Rear Side Plate Assy 01302714 Bottom Foam Assy 52012722...
- Page 52 Description Part Code Note Qty Price Code MODEL: MV-C24BI Cassette unit: PANEL Front Grill 26909466 Hanging Ring 70810101 Outer Conner Cover Sub-assy 01269410 Louver Motor Sub-assy 15409407 Step Motor 15729401 Crank 10582070 Inner Conner Cover IV Sub-assy 01269411 Inner Conner Cover III Sub-assy 01269412 Foam 52069409...
- Page 54 SINCLAIR CORPORATION Ltd. 1-4 Argyll St. London W1F 7LD Great Britain www.sinclair-world.com 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 NEPA spol. s r.o. Purkynova 45...
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