Operating Instructions
Table Of Contents
- Table of Contents
- How To Use This Manual
- Chapter 1—Hardware
- Chapter 2—Applications for ATEC— Base VAV
- Chapter 3—Applications for ATEC—VAV with Reheat
- Chapter Overview
- Introduction
- Application 2500: VAV Cooling Only
- Application 2501: VAV Cooling or Heating
- Application 2522: VAV with Electric Reheat or Baseboard Radiation
- Application 2523: VAV with Hot Water Reheat (only one reheat valve)
- Application 2524: VAV Series Fan Powered with One Stage of Electric Reheat
- Application 2526: VAV Parallel Fan Powered with One Stage of Electric Reheat
- Application 2473: Slave Mode
- Chapter 4—Point Database
- Chapter 5—Troubleshooting
- Glossary
- Index
Chapter 3—Applications for ATEC—VAV with Reheat
3-42 Siemens Building Technologies, Inc.
Hardware Inputs
Analog
• Air velocity sensor
• Room temperature sensor
• Room temperature setpoint dial (optional)
Digital
• Night mode override (optional)
• Wall switch (optional)
Hardware Outputs
Analog
• None
Digital
• Damper actuator (wired internally)
• Valve actuator (required)
Ordering Notes
Actuating Terminal Equipment Controller with Reheat—Electronic Output
Single unit 550-405
10-pack 550-405P10
Contact your local Siemens Building Technologies representative for additional product
numbers.
Valve actuator
Temperature sensor (select one)
• Terminal Equipment Controller room temperature sensor
• Duct temperature sensor, 10K
Ω
, TEC (return-duct sensor)
4-inch (10.2 cm) 540-128
18-inch (46 cm) 540-739