INVENTOR V2CI-12 Owner's Manual
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INVENTOR V2CI-12 Owner's Manual

INVENTOR V2CI-12 Owner's Manual

Air conditioners dc inverter umatch series cassette type unit
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V2CI-12
V2CI-18
V2CI-24
V2CI-30
V2CI-36
V2CI-45
V2CI-50
V2CI-60
DC Inverter U-match Series Cassette Type Unit

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Summary of Contents for INVENTOR V2CI-12

  • Page 1 V2CI-12 V2CI-18 V2CI-24 V2CI-30 V2CI-36 V2CI-45 V2CI-50 V2CI-60 DC Inverter U-match Series Cassette Type Unit...

  • Page 3: Table Of Contents

    Contents 1 Safety Precautions ..................1 2 Outline of the Unit and Main Parts..............3 3 Preparative for Installation ................4 3.1 Standard Accessory Parts ................4 3.2 Selection of the Installation Location ............5 3.3 Connection Pipe Requirement ..............7 3.4 Electrical Requirement ................

  • Page 4: Safety Precautions

    DC Inverter U-match Series Cassette Type Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might lead to the WARNING! death or serious injury of the user. This mark indicates procedures which, if improperly performed, might possibly result CAUTION! in personal harm to the user, or damage to property.
  • Page 5 DC Inverter U-match Series Cassette Type Unit (14). During installation, attach the refrigerant piping securely before running the compressor. If the compressor is not attached and the stop valve is open during pump-down, air will be sucked in when the compressor is run, causing abnormal pressure in the freezer cycle which will lead to breakage and even injury.

  • Page 6: Outline Of The Unit And Main Parts

    DC Inverter U-match Series Cassette Type Unit 2 Outline of the Unit and Main Parts Indoor 1. Drainage device 2. Drainage pipe 3. Air flow flap Outdoor 4. Connection pipe Air inlet 5. Wireless Controller 6. Wired Controller 7. Big handle 8.

  • Page 7: Preparative For Installation

    DC Inverter U-match Series Cassette Type Unit 3 Preparative for Installation 3.1 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 To fix the hook on the cabinet of the...

  • Page 8: Selection Of The Installation Location

    DC Inverter U-match Series Cassette Type Unit 3.2 Selection of the Installation Location WARNING! The unit must be installed where strong enough to withstand the weight of the unit and fixed securely, otherwise the unit would topple or fall off. CAUTION! ①...
  • Page 9 DC Inverter U-match Series Cassette Type Unit Table 3 Models H(mm) V2CI-12 V2CI-18 V2CI-20 V2CI-30 V2CI-36 V2CI-45 V2CI-50 V2CI-60 Fig.2 3.2.2 Outdoor Unit WARNING! ① . Install the unit where it will not be tilted by more than 5°. ② . During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely.

  • Page 10: Connection Pipe Requirement

    Pipe(Inch) Pipe Difference between pipe(Outer Length Indoor Unit and Diameter × wall Model Liquid Outdoor Unit (m) thickness) (mm) V2CI-12 U2RS-12 V2CI-18 U2RS-18 V2CI-24 U2RS-24 V2CI-30 U2RS-30 V2CI-36 U2RS-36 Φ25×1.5 V2CI-45 U2RS-45 V2CI-50 U2RS-50 V2CI-36 U2RT-36 V2CI-45 U2RT-45 V2CI-50 U2RT-50 V2CI-60 U2RT-60 The connection pipe should be insulated with proper water-proof insulating material.
  • Page 11 DC Inverter U-match Series Cassette Type Unit Table 6 Minimum Sectional Area of Power Capability of Air Model Power Cable and Earth line Supply Switch(A) U2RS-12 U2RS-18 U2RS-24 220-240V ～ 50Hz U2RS-30 U2RS-36 U2RS-45 U2RS-50 U2RT-36 U2RT-45 380-415V 3N~ 50Hz U2RT-50 U2RT-60 Notes:...

  • Page 12: Installation Of The Unit

    DC Inverter U-match Series Cassette Type Unit 4 Installation of the Unit 4.1 Installation of the Indoor Unit 4.1.1 Indoor unit dimension Fig.4 Table 7 Item Model V2CI-12 V2CI-18 V2CI-20 V2CI-30 V2CI-36 V2CI-45 V2CI-50 1040 V2CI-60 4.1.2 Installing the Main Body Unit...

  • Page 13: Installation Of The Outdoor Unit

    DC Inverter U-match Series Cassette Type Unit (1). Install the hoisting stand on the hoisting screw by using nuts and gaskets at both the upper and lower sides of the hoisting stand. To prevent the gasket from breaking off, a gasket anchor board can be helpful.
  • Page 14 DC Inverter U-match Series Cassette Type Unit 4.2.1 Outdoor unit dimension Fig.10 Table 8 Unit: mm Item Model U2RS-12 U2RS-18 U2RS-24 U2RS-30 U2RS-36 1107 1100 U2RT-36 U2RS-45 U2RT-45 1349 U2RS-50 U2RT-50 U2RT-60 1085 1365 4.2.2 Condensate Drainage of the Outdoor Unit(Only for the heat pump unit) (Fig.11) (1).

  • Page 15: Installation Of The Connection Pipe

    DC Inverter U-match Series Cassette Type Unit Bottom Drain cap Drain pipe mounting hole Fig.11 4.3 Installation of the Connection Pipe 4.3.1 Flare Processing (1). Cut the connection pipe with the pipe cutter and remove the burrs. (2). Hold the pipe downward to prevent cuttings from entering the pipe. (3).
  • Page 16 DC Inverter U-match Series Cassette Type Unit CAUTION! ① . To prevent breaking of the pipe, avoid sharp bends. Bend the pipe with a radius of curvature of 150 mm or over. ② . If the pipe is bent repeatedly at the same place, it will break. 4.3.3 Connecting the Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes.
  • Page 17 DC Inverter U-match Series Cassette Type Unit Table 9 Flare nut tightening torque Pipe Diameter Tightening Torque 1/4˝(Inch) 15-30 (N·m) 3/8˝(Inch) 35-40 (N·m) 5/8˝(Inch) 60-65 (N·m) 1/2˝(Inch) 45-50 (N·m) 3/4˝(Inch) 70-75 (N·m) 7/8˝(Inch) 80-85 (N·m) CAUTION! Be sure to connect the gas pipe after connecting the liquid pipe completely. 4.3.4 Connecting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector.

  • Page 18: Vacuum And Gas Leakage Inspection

    DC Inverter U-match Series Cassette Type Unit 4.3.7Liquid Pipe and Drain Pipe Sealed If the outdoor unit is installed lower than the indoor unit (See Fig.18) Saddle (1). A drain pipe should be above ground and the end of the pipe does not dip into water.
  • Page 19 DC Inverter U-match Series Cassette Type Unit (5). The evacuation duration depends on the unit’s capacity, generally, 15 minutes for the 12K units, 20 minutes for the 18K units, 30 minutes for the 24/30/36K units, 45 minutes for the 45/50/60 units. And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads -1.0Mp (-75cmHg), if not, it indicates there is leak somewhere.

  • Page 20: Installation Of The Drain Hose

    DC Inverter U-match Series Cassette Type Unit Outdoor Oil bend Indoor Oil bend Fig.21 4.5 Installation of the Drain Hose 4.5.1 Installationof Drain Piping (1). Keep piping as short as possible and slope it downwards at a gradient of at least 1/100 so that air may not remain trapped inside the pipe.
  • Page 21 DC Inverter U-match Series Cassette Type Unit (3). When unifying multiple drain pipes, install the pipes as Fig.23. Select converging drain pipes whose gauge is suitable for the operating capacity of the unit.(take the cassette type unit for example) T-joint converging drain pipes T-joint converging drain pipes Fig.23 (4).
  • Page 22 DC Inverter U-match Series Cassette Type Unit 3-way connection of drainage pipe joint Connection of drain elbow Connection of horizontal pipe Fig.27 Fig.28 Fig.29 4.5.3 Precautions When Doing Riser Piping Work (1). Make sure that heat insulation work is executed on the following 2 spots to prevent any possible water leakage due to dew condensation.

  • Page 23: The Panel Installation

    DC Inverter U-match Series Cassette Type Unit Drain hose(attachment) Fig.32 4.5.4 Testing of Drain Piping After piping work is finished, check if drainage flows smoothly. Shown in the Fig.33, Add approximately 1liter of water slowly into the drain pan and check drainage flow during COOL running.
  • Page 24 DC Inverter U-match Series Cassette Type Unit (2). Improper screwing of the screws may cause the troubles shown in Fig.35. Condensate Fig.35 (3). If gap still exists between ceiling and decoration panel after tightening the screws, readjust the height of the indoor unit. (Fig.36) Fig.36 (4).

  • Page 25: Electrical Wiring

    DC Inverter U-match Series Cassette Type Unit (4). Adjust the panel along the direction indicated by the arrow as shown in Fig.38. (5). Tighten the screws until the thickness of the sealing material between the panel and the indoor unit reduces to 5-8cm. Fig.38 4.7 Electrical Wiring 4.7.1 Wiring Precautions...
  • Page 26 DC Inverter U-match Series Cassette Type Unit ⑤ . Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner. ⑥ . The special branch circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole.
  • Page 27 ⑤ . Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not clamped, electric leakage may occur.) ⑥ . Always connect the ground wire. (4). Electric wiring between the indoor and outdoor units Single-phase units(12K~30K) U2RS-12+V2CI-12 U2RS-18+V2CI-18 ① . Power cord 3×1.5mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③...
  • Page 28 DC Inverter U-match Series Cassette Type Unit Single-phase units(36K~50K) U2RS-36+V2CI-36 U2RS-45+V2CI-45 ① . Power cord 3×2.5mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③ . Communication Cords 2×0.75mm (H05RN-F) U2RS-50+V2CI-50 ① . Power cord 3×6.0mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③...
  • Page 29 DC Inverter U-match Series Cassette Type Unit CAUTION! ① . The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection wire of the wired controller are low-voltage. They should run separately against electromagnetic interference.

  • Page 30: Installation Of Controllers

    DC Inverter U-match Series Cassette Type Unit Three-phase: 36K~50K Fig.45 5 Installation of Controllers Refer to the Installation Manual of the controller for more details. 6 Test Running 6.1 Trial Operation and Testing (1). The meaning of error codes as shown below: Table 11 Number Error code...
  • Page 31 DC Inverter U-match Series Cassette Type Unit IPM protection DC fan motor error Drive desynchronizing protection Pfc protection Activation failure Compressor phase sequence protection Compressor stalling protection Power protection Indoor and outdoor mismatch 4-way valve direction changing protection Drive reset protection Over-current protection Communication error between main control and drive Drive module sensor error...

  • Page 32: Working Temperature Range

    DC Inverter U-match Series Cassette Type Unit ◆ “88” Display: When there is no error, and it receives valid remote control information. It will display the temp setup for 5s, then display the temp of indoor. When the unit has error, It will display the error code. When there are more than one error, the error code will be displayed alternately.

  • Page 33: Troubleshooting And Maintenance

    Note: After carrying out the check of the above items and taking relevant measures to solve the problems but the air-conditioning unit still does not function well, please stop the operation of the unit immediately and contact the local service agency designated by Inventor. Only ask professional serviceman to check and repair the unit.

  • Page 34: Routine Maintenance

    DC Inverter U-match Series Cassette Type Unit 7.2 Routine Maintenance Only a qualified service person is allowed to perform maintenance. Before accessing to terminal devices, all power supply circuits must be disconnected. Do not use water or air of 50°C or higher for cleaning air filters and outside panels. Notes: Do not operate the air conditioner with the filter uninstalled, otherwise dust would come into ①...
  • Page 35 DC Inverter U-match Series Cassette Type Unit 2. Disassemble the air inlet grille Open the air inlet grille at 45°, raise it and remove the grille. 3. Disassemble the filter screen Draw out the filter screen and remove it. Filter screen 4.

This manual is also suitable for:

V2ci-30V2ci-18V2ci-36V2ci-45V2ci-24V2ci-50 ... Show all

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