Victa VFU-18A309I Owner's Manual
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Victa VFU-18A309I Owner's Manual

Victa VFU-18A309I Owner's Manual

Dc inverter duct type unit
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 Thank you for choosing these Air Conditioners, please read this owner's manual carefully
before operation and retain it for future reference.
DC Inverter
Duct Type Unit
Indoor Unit
Outdoor Unit
VFU-18A309I
VFU-18A309O
VFU-24A309I
VFU-24A309O
VFU-36A309I
VFU-36A309O
VFU-48A309I
VFU-48A309O
VFU-60A309I
VFU-60A309O

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Summary of Contents for Victa VFU-18A309I

  • Page 1 DC Inverter Duct Type Unit Indoor Unit Outdoor Unit VFU-18A309I VFU-18A309O VFU-24A309I VFU-24A309O VFU-36A309I VFU-36A309O VFU-48A309I VFU-48A309O VFU-60A309I VFU-60A309O  Thank you for choosing these Air Conditioners, please read this owner’s manual carefully before operation and retain it for future reference.

  • Page 2: Table Of Contents

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

  • Page 3: Safety Precautions

    DC Inverter Duct Type Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might WARNING! lead to the death or serious injury of the user. This mark indicates procedures which, if improperly performed, might CAUTION! possibly result in personal harm to the user, or damage to property. WARNING! (1).

  • Page 4: Outline Of The Unit And Main Parts

    DC Inverter Duct Type Unit 2 Outline of the Unit and Main Parts Fig. 2.1 NOTE! The connection pipe and duct for this unit should be prepared by the user. ①. The unit is standard equipped with rectangular duct. ②.

  • Page 5: Preparative For Installation

    DC Inverter Duct 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 3.1 Indoor Unit Accessories Name Appearance Q'ty Usage Wired Controller To control the indoor unit Hanger To fix the indoor unit To fix the hook on the...

  • Page 6: Selection Of The Installation Location

    DC Inverter Duct Type Unit Table 3.2 Outdoor Unit Accessories Name Appearance Q'ty Usage To plug the unused drain Drain Plug 2 or3 hole. To connect with the hard Drainage Connecter PVC drain pipe 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.
  • Page 7 DC Inverter Duct Type Unit (4). Install the unit where the drain pipe can be easily installed. (5). The space from the unit to the ceiling should be kept as much as possible so as for more convenient service. 3.2.2 Outdoor Unit WARNING! Install the unit where it will not be tilted by more than 5°.

  • Page 8: Connection Pipe Requirement

    Max. Height Drainage Item Pipe(Inch) Pipe Difference between pipe(Outer Length Indoor Unit and Diameter × wall Model Liquid Outdoor Unit (m) thickness)(mm) VFU-18A309I Φ30X1.5 VFU-18A309O VFU-24A309I Φ20X1.2 VFU- 24A309O VFU-36A309I Φ20X1.2 VFU- 36A309O VFU-48A309I Φ20X1.2 VFU-48A309O VFU-60A309I Φ20X1.2 VFU- 60A309O Notes: ①.

  • Page 9: Installation Of The Unit

    DC Inverter Duct Type Unit Notes: The fuse is located on the main board. ①. Install the disconnect device with a contact gap of at least 3 mm in all poles ②. nearby the units (Both indoor unit and outdoor unit).The appliance must be positioned so that the plug is accessible.
  • Page 10 DC Inverter Duct Type Unit WARNING! Install the indoor unit in a location which can withstand a load of at least five times the weight of ①. the main unit and which will not amplify sound or vibration. If the installation location is not strong enough, the indoor unit may fall and cause injuries. ②.
  • Page 11 DC Inverter Duct Type Unit For the units: 48K、60K Fig. 4.1 Table 4.1 Item Model VFU-18A309I 1037 VFU-24A309I 1101 1159 1279 1002 VFU-36A309I 1011 1115 1226 VFU-48A309I 1177 1150 1340 VFU-60A309I 1177 1150 1340 4.1.2 Drilling Holes for Bolts and Installing the Bolts Using the installation template, drill holes for bolts (four holes).
  • Page 12 DC Inverter Duct Type Unit Fig. 4.2 Fig. 4.3 Fig. 4.4 Fig. 4.5 Fig. 4.6 4.1.4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below. Fig. 4.7...

  • Page 13: Installation Of The Outdoor Unit

    DC Inverter Duct Type Unit 4.2 Installation of the Outdoor Unit WARNING Install the unit where it will not be tilted by more than 5°. ①. During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely. ②.

  • Page 14: Installation Of The Connection Pipe

    DC Inverter Duct Type Unit Fig. 4.9 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 15 DC Inverter Duct Type Unit making it difficult to bend or stretch them any more. Do not bend or stretch the pipes more than three times. (3). When bending the pipe, do not bend it as is. The pipe will be collapsed. In this case, cut the heat insulating pipe with a sharp cutter as shown in Fig.
  • Page 16 DC Inverter Duct Type Unit Fig. 4.14 Table 4.3 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.
  • Page 17 DC Inverter Duct Type Unit Fig. 4.16 4.3.7 Liquid Pipe and Drain Pipe (1). If the outdoor unit is installed lower than the indoor unit (See Fig. 4.17) 1). A drain pipe should be above ground and the end of the pipe does not dip into water.

  • Page 18: Vacuum And Gas Leakage Inspection

    DC Inverter Duct Type Unit 4.4 Vacuum and Gas Leakage Inspection CAUTION! Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation! There is no extra refrigerant in the outdoor unit for air purging! 4.4.1 Vacuum (1).
  • Page 19 DC Inverter Duct Type Unit Fig. 4.19 Note: For the large-sized unit, it has the service port for both the gas valve and the liquid valve. During evacuation, it is available to connect two hoses of the manifold valve assembly to two service ports to quicken the evacuating speed.

  • Page 20: Installation Of The Drain Hose

    DC Inverter Duct Type Unit When the height difference between the indoor unit and outdoor unit is larger than 10 meters, an oil bend should be employed for every 6 meters. Fig. 4.20 4.5 Installation of the Drain Hose 4.5.1 Installation of Drain Piping CAUTION! Install the drain hose in accordance with the instructions in this installation manual and keep the area warm enough to prevent condensation.
  • Page 21 DC Inverter Duct Type Unit Fig. 4.22 Fig. 4.23 Fig. 4.24 (1). Use a suitable drain hose, and see Table 3.3 for its size. (2). There is a drain port on both the left and right sides. Select the drain port to match the local conditions (Fig.
  • Page 22 DC Inverter Duct Type Unit CAUTION! Always check that the drain cap is installed to the unused drain port and is fastened with the nylon fastener. If the drain cap is not installed, or is not sufficiently fastened by the nylon fastener, water may drip during the cooling operation.
  • Page 23 DC Inverter Duct Type Unit The vertical height of the drain hose should be 75mm or less so that it is ①. unnecessary for the drain port to withstand additional force. Fig. 4.29 When multiple drain hoses are used, their installation should be performed ②.

  • Page 24: Installation Of The Duct

    4.6 Installation of the Duct 4.6.1 Dimensions of the Supply Air Outlet/Return Air Inlet Fig. 4.32 Supply Air Outlet Fig. 4.33 Return Air Inlet Table 4.5 Supply Air Outlet Return Air Inlet Item Model VFU-18A309I VFU-24A309I VFU-36A309I 1000 VFU-48A309I VFU-60A309I...
  • Page 25 DC Inverter Duct Type Unit 4.6.2 Installation of the Supply Air Duct (1). Installation of the Rectangular Duct. Fig. 4.34 Name Name Hanger Filter Main Air Supply Air Intake Pipe Pipe Canvas Air Pipe Air Supply Outlet Air Intake CAUTION! The maximum length of the duct means the maximum length of the supply air duct plus the ①.

  • Page 26: Electrical Wiring

    DC Inverter Duct Type Unit (3). If the bottom return air is desired, just change the place of the rectangular flange and the return air cover plate. (4). Connect one end of the return air duct to the return air outlet of the unit by rivets and the other to the return air louver.
  • Page 27 DC Inverter Duct Type Unit Use a special branch circuit breaker and receptacle matched to the capacity of the air ⑤. conditioner. The special branch circuit breaker is installed in the permanent wiring. Always use a circuit that ⑥. can trip all the poles of the wiring and has an isolation distance of at least 3 mm between the contacts of each pole.
  • Page 28 DC Inverter Duct Type Unit Fig. 4.37 Fig. 4.38 Fig. 4.39 (3). How to fix connection cord and power cord by cord clamp After passing the connection cord and power cord through the insulation tube, fasten it with the cord clamp.(Fig. 4.39) WARNING! Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
  • Page 29 DC Inverter Duct Type Unit (4). Electric wiring between the indoor and outdoor units Single-phase units (18~60K) VFU-18A309O +VFU-18A309I Power cord 3×1.5mm (H07RN-F) ①. Power cord 3×1.0mm (H05RN-F) ②. Communication Cords 2×0.75mm (H05RN-F) ③. VFU-24A309O +VFU-24A309I VFU-36A309O +VFU-36A309I Power cord 3×2.5mm (H07RN-F) ①.
  • Page 30 DC Inverter Duct Type Unit Fig. 4.41 The F, C, O connect to the COMMOM, CLOSE and OPEN terminal of the fresh air valve respectively. CAUTION! The power cord and the wire of the fresh air valve are high-voltage, while the communication ①.

  • Page 31: Installation Of Controllers

    DC Inverter Duct Type Unit Single phase: Fig. 4.42 Power lines should go along the right side plate and be fixed to the fixation hook with binding wires to keep no contact with pipelines. Communication lines between indoor and outdoor units also should go along the right side plate and keep away from power lines.
  • Page 32 DC Inverter Duct Type Unit Condenser temperature sensor error Outdoor ambient temperature sensor error Discharge temperature sensor error Temperature sensor error of wired controller Outdoor memory chip error Electric box sensor error Compressor overload protection Overloading IPM protection DC fan motor error Drive desynchronizing protection Pfc protection Activation failure...

  • Page 33: Working Temperature Range

    DC Inverter Duct Type Unit Note: When the unit is connected with the wired controller, the error code will be simultaneously shown on it. (2). Instructions to the Error Indicating Lamps on the Panel of the Duct Type Unit. Fig. 6.1 6.2 Working Temperature Range Table 6.2 Indoor Side...

  • Page 34: Unit Function

    DC Inverter Duct Type Unit 7 Unit Function 7.1 Setting of Double Indoor Room Sensors This series of ducted air-conditioning unit has two indoor room sensors. One is located at the air intake of the indoor unit and the other one is located inside the wire controller.

  • Page 35: Fresh Air Control

    DC Inverter Duct Type Unit 7.3 Fresh Air Control 11-levels control can be realized for the amount of fresh air taken in. The function not only facilitates the health of users, but also controls the electricity consumption loss because of taking in fresh air. This kind of control can be carried out through the wire controller.

  • Page 36: Routine Maintenance

    VICTA. Only ask professional serviceman to check and repair the unit.
  • Page 37 DC Inverter Duct Type Unit once a half year.) If dirt becomes impossible to clean, change the air filter. (Air filter for exchange is optional.) (1). Removing the air filter from the duct. (2). Cleaning the air filter Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water.

This manual is also suitable for:

Vfu-18a309oVfu-24a309iVfu-24a309oVfu-36a309iVfu-36a309oVfu-48a309i ... Show all

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