Installation Instructions

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Table Of Contents

Document No. 540-1035

June 10, 2015

ATEC Controller Base VAV

Item No. 540-1035 Rev. AA Page 1 of 6

Parts List

a. Actuator with pre-terminated tubing

b. Position indicator

c. Mounting bracket

d. Self-tapping mounting screws

e. 4 mm hex key

f. 3/8 inch shaft adapter (8 to 10 mm shafts)

Control Applications

2520 and 2521

Product Description

These installation instructions describe direct-

coupled mounting of the Actuating Terminal

Equipment Controller (ATEC) Base VAV. This is a

combination TEC and OpenAir™ GDE131 Non-

spring Return Rotary Electronic Damper Actuator.

Generic Controller I/O Layout. See

Wiring Diagram

for application specific details.

Product Numbers

Actuating Terminal Equipment

Controller (ATEC) Base VAV

(GDE)

550-400N

Summary of content (6 pages)

PAGE 1
Installation Instructions Document No. 540-1035 June 10, 2015 ATEC Controller Base VAV Parts List a. Actuator with pre-terminated tubing b. Position indicator c. Mounting bracket d. Self-tapping mounting screws e. 4 mm hex key f. 3/8 inch shaft adapter (8 to 10 mm shafts) Control Applications 2520 and 2521 Product Description These installation instructions describe directcoupled mounting of the Actuating Terminal Equipment Controller (ATEC) Base VAV.
PAGE 2
Document No. 540-1035 Installation Instructions June 10, 2015 Accessories Low cost temporary temperature sensor, 10K Ω thermistor with RJ11 (1” long), that enables space control if the permanent room or duct sensor is not installed (pack of 25). Required Tools and Equipment 540-658P25 Parts for CE Compliance: RJ11 (6 wire) RTS cable in 25 ft, 50 ft, or 588-100 series 100 ft (7.6 m, 15.2 m, 30.48 m).
PAGE 3
Document No. 540-1035 Installation Instructions June 10, 2015  remove the 1/2-inch shaft guide and proceed to Step 2. the adjustment lever to the right. Return the switch to automatic.  If the blades will rotate clockwise, slide the manual override switch to manual, and move the adjustment lever to the left. Return the switch to automatic. - If the damper shaft is 3/8 inch,  remove the 1/2-inch shaft guide.  Use the 3/8-inch adapter, provided in the actuator packaging.
PAGE 4
Document No. 540-1035 Installation Instructions June 10, 2015 4. Mark the end of the damper shaft with a pencil/marker. 5. Tighten the set screw until the first thread can be seen in the shaft hole. 6. Using the pencil mark as a guide, mount the actuator on the damper shaft. 7. Install the position indicator. 10. Connect the airflow tubing for the Differential Pressure Sensor. - RED connects to HIGH. - BLUE connects to LOW. The installation is complete. WARNING 8.
PAGE 5
Document No. 540-1035 Installation Instructions June 10, 2015 Wiring Instructions 1. Connect the FLN. 2. Connect the power trunk. DO NOT apply power to the controller without first consulting the specialist. This ATEC is designed to work with 2wire AC power (Neutral and Phase (hot) at 24 Vac +/-20%. Using the earth terminal is optional and, if used, it should be connected to the nearest earth ground (building steel, conduit or duct work (if earthed)).
PAGE 6
Document No. 540-1035 Installation Instructions June 10, 2015 Wiring Diagram Power Wiring. Application 2520 and 2521 Cooling Only Wiring Diagram. CAUTION It is important that the neutral that supplies the TEC must be earth grounded at the source of the 24 Vac power. Possible erratic equipment operation or damage if neutral is not grounded. NOTE: There are no external I/Os for the Cooling Only applications 2520 and 2521.