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
3-78 Siemens Building Technologies, Inc.
Table 3-12. Point Database for Application 2526.
Point
Number
Descriptor Factory
Default
(SI Units)
Eng. Units
(SI Units)
Slope
(SI Units)
Intercept
(SI Units)
On Text Off Text
23 REHEAT END 100.0 PCT 0.4 0.0 – –
{24} DI 4 OFF – – – ON OFF
{25} DI 3 OFF – – – ON OFF
26 SERIES ON 20.0 PCT 0.4 0.0 – –
27 SERIES OFF 10.0 PCT 0.4 0.0 – –
28 PARALLEL ON 20.0 PCT 0.4 0.0 – –
{29} DAY.NGT DAY – – – NIGHT DAY
30 PARALLEL OFF 30.0 PCT 0.4 0.0 – –
31 CLG FLOW MIN 220
(103.818)
CFM
(LPS)
4
(1.8876)
0 – –
32 CLG FLOW MAX 2200
(1038.18)
CFM
(LPS)
4
(1.8876)
0 – –
33 HTG FLOW MIN 220
(103.818)
CFM
(LPS)
4
(1.8876)
0 – –
34 HTG FLOW MAX 2200
(1038.18)
CFM
(LPS)
4
(1.8876)
0 – –
{35} AIR VOLUME 0 (0.0) CFM (LPS) 4 (1.8876) 0 – –
36 FLOW COEFF 1.0 – 0.01 0.0 – –
{40} AI 4 74.0
(23.495556)
DEG F
(DEG C)
0.5
(0.28)
37.5
(3.055556)
– –
{41} DO 1 OFF – – – ON OFF
{42} DO 2 OFF – – – ON OFF
{43} HEAT STAGE 1 OFF – – – ON OFF
{44} FAN OFF – – – ON OFF
{48} DMPR COMD 0.0 PCT 0.4 0.0 – –
{49} DMPR POS 0.0 PCT 0.4 0.0 – –
51 MTR1 TIMING 95 SEC 1 0 – –
56 DMPR ROT ANG 90 – 1 0 – –
58 MTR SETUP 1 – 1 0 – –
59 DO DIR. REV 0 – 1 0 – –
63 CLG P GAIN 20.0 (36.0) – 0.25 (0.45) 0.0 – –
1. Points not listed are not used in this application
2. A single value in a column means that the value is the same in English units and in SI units.
3. Point numbers that appear in brackets { } may be unbundled at the field panel.
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