Azbil Infilex VC Specifications & Instructions
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Azbil Infilex VC Specifications & Instructions

Azbil Infilex VC Specifications & Instructions

Variable air volume controller with actuator for sc-bus communication
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Variable Air Volume Controller with Actuator
Overview
Infilex VC (Infilex: named for "Infinity" and "Flexible") Model
WY5206C is a VAV controller with an actuator that com-
municates via our proprietary protocol, SC-bus. Infilex VC
provides high-performance DDC of VAV unit in a building
air-conditioning system. Thus, Infilex VC, networked even
within a complicated HVAC system, controls VAV unit.
Besides, Infilex VC offers building owners and operators the
flexible and enhanced controls of temperature and VAV for
various VAV units.
Infilex VC sends unique energy-saving information to its
networked SC-bus zone controller, enhancing overall con-
trollability of a building management system.
DDC: Direct digital control
HVAC: Heating, ventilation, and air conditioning
VAV: Variable air volume
Features
●
Economical efficiency:
- Temperature and air-volume are controlled by a single
controller.
- VAV controller that resides on an actuator offers great
value.
●
Wide range of application:
Most of the major VAV types for industry are preconfig-
ured in the controller.
Our controller Infilex series: Infilex is named for "Infinity" and "Flexible".
Infilex
for SC-bus Communication
VC
●
Unique energy conservation control:
- VAV damper opens wide to minimize the fan power
consumed by static pressure.
- Network with a zone controller allows supply air tem-
perature to be modified at an optimum level.
●
Advanced building management integrated into BMS:
Our digital user terminal Neopanel enables users and
operators to modify the preset setting of temperature and
operating schedule (to extend) and offers flexibility of
temperature control and schedule control.
●
CE Marking certified product:
Infilex VC Model WY5206C conforms to all the applica-
ble standards of CE Marking.
© 2005-2019 Azbil Corporation. All Rights Reserved.
1
AB-6654
Specifications/Instructions

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Summary of Contents for Azbil Infilex VC

  • Page 1 Variable Air Volume Controller with Actuator for SC-bus Communication Overview Infilex VC (Infilex: named for “Infinity” and “Flexible”) Model WY5206C is a VAV controller with an actuator that com- municates via our proprietary protocol, SC-bus. Infilex VC provides high-performance DDC of VAV unit in a building air-conditioning system.

  • Page 2: Safety Precautions

    • Aeronautical/aerospace machines For system design, application design, instructions for use, or product applications, please contact Azbil Corporation. Azbil Corporation bears no responsibility for any result, or lack of result, deriving from the customer's use of the product. Warnings and Cautions ...
  • Page 3 AB-6654  CAUTION (2/2) Make sure all the wires are tightly connected to the corresponding terminals.  Failure to do so might cause device failure or overheating. For wiring, strip each wire insulation as specified in this manual. If the strip length is longer than the specified, the ...

  • Page 4: System Configuration

    *2 Maximum number of remote units (also known as "controllers") that can be connected to SCS via NC-bus varies depending on the system configurations. *3 Maximum of 50 sub remote units (also known as "sub controllers") such as Infilex VC and Infilex FC can be connected to Infilex ZM via SC-bus.

  • Page 5: Model Numbers

     Power Actuator — Description number DO output WY5206 Infilex VC for SC-bus communication 24 V AC Fixed. 5 Nm torque (Note 1) 10 Nm torque (Note 2) Airflow pulse input, DO: 0 pt. With internal airflow sensor, DO: 0 pt.

  • Page 6: Basic Specifications

    AB-6654 Specifications Basic specifications Item Specification 24 V AC  15 % (50 Hz/60 Hz) Power supply 5 Nm: 9 VA / 10 Nm: 10 VA Power consumption Rated torque 5 Nm / 10 Nm Operating range To 95 Operating time Operation mode 5 Nm torque type 10 Nm torque type...

  • Page 7: Input/Output Specifications

    This plug is also available at Azbil Corporation. (Part No. DY7207A0100, 100 pieces/set) *2 LAN cable compliant with EIA/TIA-568 Category 3 or over (Φ0.5 mm  4 poles) is required. For *1 and *2, the connector cable (regular cable: Part No. DY7210, short cable: Part No. DY7220) are available at Azbil Corporation.
  • Page 8 AB-6654 Dimensions 5 Nm torque type Φ6–Φ20 85.25 Figure 2. Dimensions: 5 Nm torque type (mm)
  • Page 9 AB-6654 10 Nm torque type Φ8–Φ26.7 90.5 Figure 3. Dimensions: 10 Nm torque type (mm) Universal bracket (requiring separate order) Φ4.4 R2.2 R2.2 R2.2 58.25 89.5 Figure 4. Dimensions: Universal bracket (mm)

  • Page 10: Parts Identification

    AB-6654 Parts Identification Rotation angle adjuster Orange LED Address switch Wire connection indication (printed on the body) (See Fig. 6.) Terminal block (11 pin) Connector (modular jack) Rotation angle adjuster Nonuse connector (for setting) Gear release button Damper shaft Low pressure port for differential pressure pickup High pressure port for differential pressure pickup...
  • Page 11 AB-6654 Wire Connection Indication Figure 6. Wire connection indication printed on Model WY5206C5X30...
  • Page 12 Wire Connection Examples Electric heater connection To temperature sensor To Neopanel To another Infilex VC To Infilex ZM or to another Infilex VC 24 V AC Power supply via safety isolating transformer. Notes: * Operate electric heater and fan by a relay with 24 V AC operating voltage.
  • Page 13 * Rated voltage of reheater output is 30 V AC. If the voltage of reheater output exceeds 30 V AC, operate reheater valve by a relay. * For accurate control of Infilex VC installed in a 24-hour system, floating valves are automatically closed when they are kept unclosed for 48 hours.

  • Page 14: Installation Precautions

    AB-6654 Installation Installation precautions ● Before installation, be sure to turn off the power to the product. ● Leave the maintenance clearance as shown in the figure below. Note: * Dimension L must be larger than [size Φ of the modular cables to be connected x 4] for the bend radius. (e.g., Dimension L for Φ6 mm modular cable is larger than 24 mm for bend radius.) Figure 10.
  • Page 15 * The universal bracket, required for the installation of this product, is commercially available. The universal bracket is also available at Azbil Corporation (Universal bracket: Part No. 12595-00001). Be sure to separately order if necessary. Figure 13. Attaching the universal bracket...
  • Page 16 AB-6654 4) Manually rotate the shaft clamp back to the fully closed position while pressing the gear release button. At this time, be sure to leave a clearance (approx. 1 mm) between the shaft clamp and the rotation angle adjuster (mechanical stopper) for the fully closed position.
  • Page 17 For differential pressure pickup, connect the tube for the total pressure measuring port of the air flow sensor to the high pressure port (indicated with "+") of Infilex VC. Also connect the tube for the static pressure measuring port of the air flow sensor to the low pressure port (indicated with "-") of Infilex VC.
  • Page 18 3) Insert a slotted screwdriver into a smaller square hole (for clamp release) on the terminal block located on the front surface. To insert the screwdriver to the deep end (approx. 10 mm deep), push and tilt it (towards the front surface of Infilex VC main unit) along the curving surface inside the square hole.
  • Page 19 7) Connect the modular plugs to the modular jacks. After successfully finishing the continuity check, insert a modular plug of the LAN cable into the modular jack of Infilex VC and the other modular plug into the modular jack of the user terminal / temperature sensor / sub remote unit (also known as "sub controllers") connected via SC-bus.

  • Page 20: Software Details

    BMS: Building management system VAV: Variable air volume Notes: *1 These functions are enabled by Infilex VC being combined with Infilex ZM and integrated in our BMS. *2 Dual setting is the method to have cooling setting and heating setting separately.
  • Page 21 Notes: *1 These functions are enabled by Infilex VC being combined with Infilex ZM and integrated in our BMS. *3 Room temperature for the group monitoring calculates either the average value in a group or the representative value of a...

  • Page 22: Led Indication

    LED Indication After the power is applied to Infilex VC, check that the status indicator LED blinks in approx. 10 seconds. If it stays ON, Infilex VC is in abnormal status. Note that the LED stays ON immediately after the power is applied to Infilex VC, which does not indicate error.

  • Page 23: Optional Parts

    Figure 23. Modular relay unit: Part No. DY7202A0000 Adapter for connecting to a Pt100 temperature sensor (See Fig. 24): Used to connect a temperature sensor to Infilex VC with a modular connector. Figure 24. Adapter for connecting to a Pt100 temperature sensor: Part No. DY7204A0003 Figure 25.
  • Page 24 EMCD: EN 61000-6-2 EN 61000-6-3 Infilex, PARAMATRIX, and savic-net are trademarks of Azbil Corporation in Japan or in other countries. BACnet is a registered trademark of American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). TYGON is a trademark of Saint-Gobain Performance Plastics Corporation.

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