Sinclair SDV6 User And Installation Manual
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Sinclair SDV6 User And Installation Manual

Commercial air conditioners
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FULL DC INVERTER SYSTEMS
USER AND INSTALLATION MANUAL
INDOOR UNITS SDV6-Hxx
C O M M E R C I A L A I R C O N D I T I O N E R S S D V 6

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  • Page 1 FULL DC INVERTER SYSTEMS USER AND INSTALLATION MANUAL INDOOR UNITS SDV6-Hxx C O M M E R C I A L A I R C O N D I T I O N E R S S D V 6...
  • Page 2 Original instructions IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
  • Page 3 For downloading manual for this pro- Um das Handbuch für dieses Produkt duct, please enter the model name at herunterzuladen, geben Sie bitte den this link: Modellnamen für diesen Link ein: Para descargar el manual de este pro- Per scaricare il manuale di questo pro- ducto, ingrese la designación del mo- dotto, inserisci il nome del modello a delo en el siguiente enlace:...
  • Page 4 Preface Dear users, Thank you for purchasing and using our product. Please read this manual carefully before you install, use, maintain or troubleshoot this product so that you can familiarize yourself with the product and use it correctly. For ODUs or other IDUs, please refer to the applicable installation & owner's manuals provided with them.

  • Page 5: Table Of Contents

    Contents Safety Warning Warning Signs / 1 Safety Precautions / 2 Electric Safety Requirements / 3 Appendix / 3 Operation Operating Precautions / 7 Optimum Operation / 8 Symptoms That Are Not Faults / 10 Display Panel / 12 Installation Installation Precautions / 13 Product Installation / 19 Electrical Connection / 38...

  • Page 6: Safety Warning

    Please thoroughly read and ensure that you fully understand the safety precautions (including the signs and symbols) in this manual, Safety Warning and follow relevant instructions during use to prevent damage to health or property. Explanation of symbols displayed on the unit This symbol shows that this appliance used a flammable refrigerant.

  • Page 7: Safety Precautions

    Warning contents Ensure Proper Professional Only Grounding Prohibition signs No Flammable No Strong Current No Open Fire No Acid or Alkali Materials Materials Safety Precautions Danger During thunderstorms, disconnect the main power switch. Otherwise, lightning may damage the unit. In the event of refrigerant leakage, smoking and open flames are prohibited. Disconnect the main power switch immediately, open windows to allow ventilation, keep away from the leakage point, and contact your local dealer or technical support to request a professional repair.

  • Page 8: Electric Safety Requirements

    Electric Safety Requirements Warning The air conditioner shall be installed according to the local wiring specifications. Wiring work must be completed by qualified electricians. All wiring work must comply with electrical safety specifications. The air conditioner must be well grounded. Specifically, the main switch of the air conditioner must have a reliable grounding cable.
  • Page 9 The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants, i.e. non-sparking, adequately sealed or intrinsically safe.
  • Page 10 Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of ageing or continual vibration from sources such as compressors or fans. When breaking into the refrigerant circuit to make repairs –...
  • Page 11 couplings and in good condition. Before using the recovery machine, check that it is in satisfactory working order, has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release. Consult manufacturer if in doubt. The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged.

  • Page 12: Operation

    Operation Operation Precautions Warning If the unit will be not used for a long time, disconnect the main power switch. Otherwise, an accident may occur. The installation height of the air conditioner shall be at least 2.5m above the ground to avoid the following risks: 1.

  • Page 13: Optimum Operation

    Disposal: Do not dispose of this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary. Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities. Contact your local government for information regarding the collection systems available. If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundwater and get into the food chain, damaging your health and well-being.
  • Page 14 In Heating Mode To improve the heating effect in the lower parts of a room, adjust the louvers of air outlet grille downwards. Operating Range To maintain good performance, operate the air conditioner under the following temperature conditions: Indoor temperature 16~32°C Cooling ≤80%...

  • Page 15: Symptoms That Are Not Faults

    Symptoms That Are Not Faults Normal Protection of the Air Conditioner During operation, the following phenomena are normal and do not require maintenance. When the power switch is on, if you start the system right after it is stopped, it is normal that Protection the ODU does not operate for about four minutes as frequent compressor start/stop is not supported.
  • Page 16 Normal Phenomena that Are Not Air Conditioner Faults The following phenomena are normal during operation of the air conditioner. They can be solved according to the instructions below or do not need to be solved. The IDU emits white mist 1.

  • Page 17: Display Panel

    Display Panel Display functions: ① In Standby mode, the main interface displays "---". ② When starting up in Cooling or Heating mode, the main interface displays the set temperature. In Fan mode, the main interface displays the indoor temperature. In Dry mode, the main interface displays the set temperature, and when the humidity is set, the set humidity value is displayed on the wired controller.

  • Page 18: Installation

    Installation Carefully read this manual before installing the IDU. Installation Precautions Qualification and Safety Regulation Requirements Warning Please carry out the installation according to local standards. Ask your local dealer or professionals to install the product. This unit must be installed by professional technicians with relevant specialized knowledge. Users MAY NOT install the unit themselves;...
  • Page 19 Before and after installation, exposing the unit to water or moisture will cause electrical short circuit. Do not store the unit in a humid basement or expose it to rain or water. Make sure the installation base and lifting are robust and reliable; Insecure installation of the base may cause the air conditioner to fall, leading to an accident.
  • Page 20 Precautions for Carrying and Lifting the Air Conditioner Before carrying the air conditioner, determine the route that will be used to move it to the installation site. Do not unseal the air conditioner until it is moved to the installation site. When unpacking and moving the air conditioner, do not apply force to the refrigerant piping, drainage pipe and plastic accessories, so as to avoid damaging the air conditioner and causing personal injury.
  • Page 21 Recommended Installation Sites It is recommended to install the air conditioner according to the design drawing of the HVAC engineer. The selection principle for the installation site is as follows: Ensure that the airflow in and out of the IDU is reasonably organized to form an air circulation in the room. Ensure IDU maintenance space.
  • Page 22 Recommended Installation Sites Crowded places such as living rooms and offices The unit is usually installed in a concealed manner, with air supplied on the side and returned at the bottom. The air outlet must not face areas where people frequently spend time, such as sofas and coffee tables.
  • Page 23 Parts Part Description (kW≤8.0) Panel assembly Display panel Panel frame Room temperature sensor Electric control parts *Power cable and ground wire Left and right louver parts Upper and lower louvers Filter (optional) 11 Wired controller (optional) *Connection wire Remote controller (optional) * To be purchased separately on site.

  • Page 24: Product Installation

    Product Installation (Unit: mm) Product Dimensions k W≤8.0: Right pipe Left pipe knockout knockout Drainage pipe knockout Drainage pipe knockout Model (kW) kW≤3.6 3.6＜kW≤5.6 5.6＜kW≤8.0 1200 1025 1186 Installation...
  • Page 25 Installation Distance kW≤8.0: ≥30 ≥50 ≥50 ≥25 ≥2500 (from the ≤120 ground) Installed on a higher place Ground Pipe Routing Direction The refrigerant pipe can be routed from four directions: left, left rear, right, and right rear; drainage pipe can be routed from six directions: left, left rear, right, right rear, upper left, and upper right.
  • Page 26 Drainage pipe routing direction Upper left outlet (for drainage pipe of water pump only) Upper right outlet (reserved) Cut along Left outlet the knockouts Left rear outlet Right outlet Right rear outlet Instructions on Cutting Left and Right Knockouts kW≤8.0: Hole shared by copper pipe and cable (FCU models) Hole shared by copper pipe and cable...
  • Page 27 Installation Board Positioning kW≤8.0 Ceiling Wall φ108 Fixing Wall hole screw hole cover Onsite piping Liquid pipe Gas pipe φ65 Wall hole Left pipe Right pipe Reserved length of power Distance cable and signal cable Left pipe Right pipe Model (kW) kW≤3.6 ≥225 ≥225...
  • Page 28 Installation Materials Accessories List of accessories Installation & Owner's Brass nut X 2 Drainage hose X 1 Installation board X 1 Rubber sleeve of Manual X 1 expansion screw X 4 For use in the IDU Installation installation of Instructions connecting pipe (Make sure to hand it over to the user)
  • Page 29 Heat Insulation Material Requirements Copper pipe insulation ① Use the closed-cell foam insulation material, which is rated at a flame retardancy level of B1 and heat resistance of over 120℃. ② Thickness of the insulation pipe: 1. When the diameter of the copper pipe is equal to or greater than 15.9mm, the insulation thickness is at least 20mm. 2.
  • Page 30 Pipe Layout Bend the pipes or punch holes in the wall as needed. The deformed pipe area must not exceed 15% of the total area. A protective casing should be installed at the wall or floor hole. The weld joint must not be inside the casing.
  • Page 31 The check valve of the ODU is completely closed when leaving the factory. Unscrew the nuts from the check valve in each connection, and connect the flared tube within 5 minutes. When the nuts at the check valve are removed and placed somewhere for too long, dust and other sundries may enter the pipeline system and cause failures after extended operation.
  • Page 32 2. Flaring Rough Slope Burrs 90° To cut the piping with a pipe cutter, rotate the pipe cutter repeatedly. Put the pipe into the connecting nut flaring, and both the gas pipe and liquid pipe of the IDU are connected by flaring. Pipe cutter 90°±4 A (mm)
  • Page 33 Pipe size (mm) Tightening torque [ N.m (kgf.cm)] Φ6.35 14.2–17.2 (144–176) Φ9.52 32.7–39.9 (333–407) Φ12.7 49.5–60.3 (504–616) Φ15.9 61.8–75.4 (630–770) Φ19.1 97.2–118.6 (990–1210) Caution Depending on the installation conditions, excessive torque will damage the flared mouth, and too small torque cannot tighten the nut, which will cause refrigerant leakage.
  • Page 34 Caution Leak detection will be conducted at each spot for at least 3 minutes. If any leak has been identified, tighten the nut and perform the detection again until no leaks are found. After completing the leak detection, wrap the exposed IDU pipe joint with insulation material and tie it with a binding tie to prevent condensation and dripping water.
  • Page 35 5. Installation and insulation tips Outer tape Heat insulation material (1) Wrong Liquid pipe Gas pipe The gas pipe and the liquid pipe are insulated together, which reduces the heating or cooling effects. Pipes should not be bound together. (2) Correct Heat insulation material a.
  • Page 36 Steps to repair protection sponge: (see the figure below) Straight joint Protection of copper pipe sponge 300mm Copper pipe Protection sponge for repair 500mm Cut a section of protection sponge longer than the gap, pull open the two ends, insert the protection sponge, and apply glue to the joint.
  • Page 37 Installation of Drainage Hose Caution Before installation of the condensate pipeline, determine its direction and elevation to avoid intersection with other pipelines to ensure that the slope is smooth and straight. The highest point of the drainage pipe should be equipped with a discharge port to ensure the smooth discharge of condensate water, and the discharge port must face downwards to prevent dirt from entering the pipe.
  • Page 38 ① Selection of drainage outlet kW≤8.0: Drainage outlet of drain pump Natural drainage outlet Water outlet pipe of drain pump Caution For models without drain pumps, a water outlet pipe is connected to the natural drainage outlet when the unit Drainage plug leaves factory.
  • Page 39 Method to discharge water with the drain pump: The pipe discharge faces Pipe fixture clamp downward to 500~1000 500~1000 avoid intake of foreign matters. The drainage pipe should have a slope of 1/100 or more. Ceiling Vertical Water pump suction condensate pipe Caution Requirements for slope of the drainage pipe:...
  • Page 40 ③ Installation requirement for drainage pipe The drainage pipe must be inclined downward (1/100 or above) to avoid condensate water flow. Drainage hose Downward Downslope PVC hose (inner diameter 15mm) or rigid PVC pipe (VP-16)* Use PVC adhesives The end of the Upward Water accumulates drainage hose is...
  • Page 41 Extend the drainage pipe. ① To extend the length of a drainage pipe, you need to purchase an extension drainage hose locally. Make sure the extension portion of the drainage hose indoors undergoes heat insulation treatment. Extended portion of the drainage pipe Drainage hose of IDU Insulation casing (purchased locally) Drainage hose...
  • Page 42 Hang the IDU. Upper hook ① Pass the properly bundled pipeline and connection lines through the wall hole, making sure that the pipe socket is Installation board not damaged, and that the connecting pipes of the unit are free of sand and dust. Buffer ②...

  • Page 43: Electrical Connection

    Electrical Connection Danger The power supply must be cut off before any electrical work is carried out. Do not conduct electrical work when the power is on; otherwise, it may cause serious personal injury. The air conditioning unit must be grounded reliably and must meet the requirements of the local country/region. If the grounding is not reliable, serious personal injury due to electric leakage may occur.
  • Page 44 Electrical Characteristics Electric specifications of the IDU Unit power Frequency Voltage (kW) power (Hz) input (W) 0.28 0.22 0.29 0.23 0.36 0.29 0.39 0.31 220~240 0.41 0.33 0.51 0.41 0.69 0.55 0.98 0.78 Notes: MCA: Min. Circuit Amps. (A), which is used to select the minimum circuit size to ensure safe operation over a long period of time.
  • Page 45 Caution All weak point connection points meet SELV, such as X1, X2, P, Q, E, M1, M2, CN18, CN55 etc. Wiring Open the IDU's electric control box cover. Loosen the screws on the right side of the electric control box cover and remove the electric control box cover.
  • Page 46 When there is a number of weak current wires, making it impossible for the cable clamp to fix all the wires, please use two ST3.6*6.5 self-tapping screws to fix the power cable clamp from the accessory package on the installation board, and fix those weak current wires that cannot be fixed on the drain pan here.
  • Page 47 When the IDUs are provided with independent power supplies, the IDUs in the same refrigerant system should be SDV6 IDUs*, and the communication between IDUs and ODU adopts a HyperLink with an independent power supply.This connection method has the function of an independent power supply, so in the same refrigerant system, the number of IDUs must not exceed 30 sets, and a maximum of only two repeaters may be installed*.
  • Page 48 IDUs are provided with uniform power supply*, which are wired as follows: 1. HyperLink communication with the uniform power supply: Power supply for IDU L1+La+Ln ≤ 2000m Wire diameter: 0.75mm Communication wire × × Circuit breaker Power cable Distribution box Distribution box Master ODU IDU 1#...
  • Page 49 Caution When the IDUs are provided with a uniform power supply, if the IDUs in the same refrigerant system are SDV6 IDUs, thenIDUs and ODU can communicate either via HyperLink with a uniform power supply, or via P/Q. If some of the IDUs inthe same refrigerant system are non-SDV6 series, then IDUs and ODU can only communicate via P/Q or P/Q/Ecommunication.
  • Page 50 Do not connect both HyperLink communication line and PQ communication line to the same system, otherwise the IDU and ODU cannot communicate normally. If some of the IDUs in the same refrigerant system are non-SDV6 series, only P/Q/E communication can be selected for the IDU and ODU communication. The three-core shielded cable of 3×0.75mm is required to connect "P", "Q",...
  • Page 51 3. IDU and ODU communication HyperLink communication (with independent power supply) Single unit: HyperLink communication is a new type of IDU and ODU communication technology. When the IDUs are provided with independent power supplies, use 2×1.5mm communication cables. M1 and M2 ports are located at terminal block "CN10"...
  • Page 52 Caution If the total distance is ≤ 200m and the total number of IDUs is ≤ 10 sets, the valve is powered and controlled by the master ODU. If the total distance is longer than 200m or the total number of IDUs is more than 10 sets, a repeater is required to increase the bus voltage.
  • Page 53 System: The HyperLink communication line with a uniform power supply between IDU and ODU can reach a length of up to 2000 meters, supporting any topology connection. The following figure shows a serial connection: Power supply for IDU Communication wire Circuit breaker Power cable Distribution box...
  • Page 54 L1+La+Ln ≤ 1200m P/Q/E communication If some of the IDUs in the same refrigerant system are non-SDV6 series, it is required to connect "P", "Q", and "E" for P/Q/E communication. Single unit: Use a shielded cable for the P/Q/E communication and properly ground the shield layer. P, Q, and E ports are located at terminal block "CN6"...
  • Page 55 Caution When P/Q or P/Q/E communication is used, the IDUs need to be powered uniformly. Either P/Q, P/Q/E communication or HyperLink communication can be selected. If it is required for IDUs to have independent power supplies, then HyperLink communication must be selected. Use only shielded cables for P/Q or P/Q/E communication.
  • Page 56 L1+L2 ≤ 200m, L3+Ln ≤ 1200m Caution When the IDUs in the same refrigerant system are SDV6 IDUs, D1D2 communication can enable one-to-multiple and two-to-multiple functions of the IDU wired controller. To enable two-to-multiple functions, wired controllers must be of the same model.
  • Page 57 External board connection (limited to ODU and system configuration) The external board is a connection module outside the main control board, including a Switch module, and 1# Expansion board和 2# Expansion board. 1. Display panel connection The display panel is connected to the main control board through a 4-core cable, and is connected to the "CN30" socket of the main control board, as shown in the following figure: CN30 Main...
  • Page 58 Reclose the electric control box cover Straighten out the connecting wires and lay them flat, and separate and fix the strong- and weak-current cables with cable clamps. Caution Do not cover the electric control box during power-on. When covering the electric control box, arrange the cables carefully and do not clip the connecting wires on the electric control box cover.

  • Page 59: Application Control

    Application Control Error Codes and Definitions In the following circumstances (warning failures excluded), please stop the air conditioner immediately, cut off the power switch and contact the local air conditioner customer service center. The error code is displayed on the display panel and the wired controller display.
  • Page 60 Error Error code Digital display Abnormal communication between the IDU and ODU Abnormal communication between the IDU main control board and fan drive board Abnormal communication between the IDU and wired controller Abnormal communication between the IDU and Wi-Fi Kit Abnormal communication between the IDU main control board and display board Abnormal communication between the AHU Kit slave unit and master unit Number of AHU Kits is not the same as the set number...
  • Page 61 Digital display Error Error code The built-in room temperature sensor of the wired controller short-circuits or cuts off The wireless temperature sensor short-circuits or cuts off The external room temperature sensor short-circuits or cuts off Tcp (pre-cooled fresh air temperature sensor) short-circuits or cuts off Tph (pre-heated fresh air temperature sensor) short-circuits or cuts off TA (outlet air temperature sensor) short-circuits or cuts off Outlet air humidity sensor fault...
  • Page 62 Phase lack protection of motor Operating Status Codes and Definitions (Non-Error) Definition Code Digital display Oil return or preheating operation Self-cleaning Mode conflict (SDV6 communication protocol adopted)Defrosting Static pressure detection Remote shutdown IDU backup operation ODU backup operation Main control program upgrading...
  • Page 63 Spot Check Description Use the bi-directional communication wired controller (for example, SWC-61) to activate the spot check function in the following steps: 1. On the main page, hold " " and "▲" for 2s to enter Check No. the query page. The ODU displays u00-u03, the IDU displays n00-n63 (the last two digits show the IDU Spot check address), and the wired controller displays CC.

  • Page 64: Test Run

    Test Run Before the Test Run, Make Sure That IDUs and the ODU are properly installed. The piping is correct, and the refrigerant piping system has been checked for leakage. Piping length and the amount of refrigerant charged have been recorded. The wiring is correct and firm without virtual connection issues.
  • Page 65 Inspection After Installation To ensure a comfortable indoor environment, please run down through the list to check whether the installation of the air conditioner meets the requirements. Insert a "×" for Fail and a "√" for Pass. Check Result Check Item Check Criteria (Pass/Fail) The air conditioner does not fall or...

  • Page 66: Cleaning, Maintenance And After-Sales Service

    Cleaning, Maintenance and After-Sales Service Safety Warning Warning For safety reasons, always turn off the air conditioner and turn off the power before cleaning the air conditioner. Do not disassemble or repair the air conditioner by yourself; otherwise, it may cause fire or other hazards. Only professional service personnel can carry out the maintenance.
  • Page 67 Cleaning the Air Filter Caution Air filters can be used to remove dust or other particles from the air, and if clogged, the effectiveness of the air conditioner will be greatly reduced. Therefore, be sure to clean the air filter frequently when using it for an extended period. If the unit is installed in a place with a lot of dust, it is recommended that you clean the filter once a month.
  • Page 68 Maintenance During in-depth maintenance, the air conditioner should be cleaned and maintained by professional technicians every 2 to 3 years. Clean the filter regularly. When operating in a dusty environment, the air flow and capacity of the filter will decrease. The filter may even become blocked, and the air conditioner performance and indoor air compromised.

  • Page 69: Maintenance Of Conventional Parts

    Maintenance of Conventional Parts Disassembly and Installation of Panel and IDU Wiring Disassembly of the Front Panel There is no need to disassemble the panel frame when confirming the electrical cable distribution and condensed water drainage. ① Pull out slightly on the panel from the buckle position on both sides of the unit body. ②...
  • Page 70 Replacement of the Filter Open the panel assembly. Remove and replace the filter. Panel assembly Filter Maintenance of the Electric Control Board Dismantle the panel assembly. Panel assembly Loosen the screws on the right side of the electric Loosen the screws inside the electric control box, control box cover and remove the electric control remove the main control board and start repairing box cover.
  • Page 71 Maintenance of Display Panel Follow the steps above to dismantle the panel assembly. First remove the display box cover, then remove the display panel and unplug the cable. Display panel Display box cover Maintenance of Infrared Human Sensor, Temperature Sensor, Drain Pump and Water Level Switch Remove the upper and lower louver near the screw hole, loosen the screws, and then remove the panel frame.
  • Page 72 Plasma generator (optional): ① Remove the screws (two). ② Pull out the electrode, remove the plasma generator and repair it. Humidity sensor: Remove the humidity sensor cable from the electric control board, pull out the humidity sensor and repair it. Electronic expansion valve coil: Remove the electronic expansion valve coil cable from the electric control board, pull out the coil and repair it.
  • Page 73 Maintenance of Motor and Wind Wheel Pull the plug of the motor, electronic expansion valve and each temperature sensing line out of the electric control board, pull out the drainage pipe from the chassis outlet, push the buckle of the drain pan assembly upward so that the buckle is separated from the chassis, and then pull the drain pan assembly out horizontally.(The 71/80 model needs to remove a screw and support sheet metal as shown before removing the drain pan assembly.) Screw (one)
  • Page 74 Loosen the screw (one), pull the evaporator horizontally a little and hang the evaporator. Evaporator Screw (one) Loosen the screws (two), swivel out slightly and take out the motor mounting rack (hold the motor and prevent it from falling). Pull out the motor and wind wheel horizontally. Motor mounting rack Motor Take the motor and wind wheel out horizontally;...
  • Page 75 Maintenance of Wind Wheel Bearing Follow the steps above to remove the motor and wind wheel; push the wind wheel bearing to remove and repair it. Wind wheel bearing Cleaning, Maintenance and After-Sales Service...
  • Page 76 Maintenance of Oscillation Motor Follow the steps above to remove the panel frame and upper and lower louvers. First loosen the screws (three) to remove the display panel, remove the cable terminal on the oscillation motor, then disconnect the left and right louver rod and the left and right swing motor rod, and take the swing motor and repair Left and right louver rod Connecting rod...
  • Page 80 United Kingdom 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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