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
Application 2500: VAV Cooling Only
Siemens Building Technologies, Inc. 3-3
Application 2500: VAV Cooling Only
Overview
In Application 2500, the controller modulates the supply air damper of the terminal box for
cooling. In order for it to work properly, the central air-handling unit must provide cool supply
air. See Figure 3-1 and Figure 3-2.
Spare DO
Autozero Module (Opt.)
Spare AI/DI
Wall Switch (Opt.)
DO3
DO4
AI3
AI4
NO
9
0
90
4
5
SUPPLY
AIR
3 TO 5 STRAIGHT DUCT
DIAMETERS REQUIRED
FOR PROPER SENSOR READING
AIR
VELOCITY
SENSOR
HI/LO Tubing
Connections
ATEC
24VAC
SUPPLY AIR
DAMPER
FLN
RTS
TEC2500CDR1
Figure 3-1. Application 2500 Control Drawing.