I2/b3 885 VAV Controller Installation Ftp://ftp.zenex.pl/katalogi/schneider/5_systemy_automatyki_i_bezpieczenstwa_w_budynkach/5_1_andover_continuum/pdf/instrukcje_materialy_techniczne/i2_b3_885_vav_controller_installation_instructions.en I2 B3 Instructions.en
User Manual: Pdf ftp://ftp.zenex.pl/katalogi/schneider/5_systemy_automatyki_i_bezpieczenstwa_w_budynkach/5_1_andover_continuum/pdf/instrukcje_materialy_techniczne/i2_b3_885_vav_controller_installation_instructions.en instructions pdf
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Attach the controller to the VAV box using the following procedure: 1. Loosen the nuts that attach the mounting U-bolt to the actuator motor. i2/b3 885 VAV Controller Installation 30-3001-848 Rev F Full programming and installation information can be found in the following documents: i2885 i2 Controller Technical Reference 30-3001-861 b3885 b3 and b4920 Technical Reference 30-3001-862 U-bolt clamp with nuts Manual override button 2. Manually, position the damper blade at its fully closed position. Mechanical Installation The 885 is designed for mounting directly to the damper shaft of a VAV box. The shaft is inserted through the opening in the actuator and secured using a U-bolt. It is secured via one sheet metal screw. Note: The unit requires that the VAV damper shaft be at least 1.5” (38 mm) in length and 1/4”- 5/8” (6-16 mm) in diameter (1/4”-7/16” (6-11 mm) square) for proper mounting. The unit 3. With the manual override button depressed, rotate the actuator clamp of the controller motor to approximately 1/16 - 1/8” between the actuator stop and clamp, depending on seal design. The rotation direction to turn depends on the setting of the rotation direction jumper on the controller. The default direction to position the clamp would be counterclockwise (full ‘-‘ position). See the other side of this sheet for details on the rotation direction jumper. Stop may be mounted in any orientation. 4. Position the unit at the proper perspective on the VAV box. Overall Dimensions Carefully insert the shaft of the VAV unit into the opening of the Note: actuator motor through the U-bolt. Make sure the controller is flush This equipment is intended for field installation within the with the VAV housing. Finger-tighten the nuts to secure the shaft to enclosure of another product. the actuator. 5. Insert a #8 self-tapping screw through the mounting slot to secure the controller to the housing. Position the screw in the center of the slot. Do not over-tighten. The controller should move freely on this screw. #8 Self-tapping screw secures the unit to the housing ODEL S/N DATE Shaft inserted into the actuator 6. Tighten the U-Bolt to the shaft using an 8 mm wrench. © 2010 Schneider Electric All Rights Reserved. Schneider Electric – One High Street – North Andover MA USA 01845 24 VAC Connection Input Connections The 885 controller is powered by an external 24 VAC source. PIN Function 1 2 Caution: Do not externally ground any input signal or damage may result. 24 VAC RETURN (Earth GND) L Temperature Voltage 0-5V Max. 24 VAC IN x IN x + V Thermistor - RET RET The ground wire should not exceed 12” in length and it must be connected to a good earth ground. The screw that connects the ground wire with earth ground shall have a green colored head that is hexagonal, slotted or both. Airflow Contacts IN x Caution: Earth ground ( ) must be connected to avoid module damage. Contact Closure E D O RET L /S N Powering Multiple Controllers AD ET Unless all the controllers you intend to power are resident in the same cabinet, it is imperative that you use a separate transformer for each controller. OU T IN Damper Direction Jumper ODEL S/N Output Connections DATE Form A RS-485 Connection Tri-State
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