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 2526: VAV Parallel Fan Powered with One Stage of Electric Reheat
Siemens Building Technologies, Inc. 3-79
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
64 CLG I GAIN 0.01
(0.018)
– 0.001
(0.0018)
0.0 – –
65 CLG D GAIN 0 (0.0) – 2 (3.6) 0 – –
66 CLG BIAS 0.0 PCT 0.4 0.0 – –
67 HTG P GAIN 10.0 (18.0) – 0.25 (0.45) 0.0 – –
68 HTG I GAIN 0.01
(0.018)
– 0.001
(0.0018)
0.0 – –
69 HTG D GAIN 0 (0.0) – 2 (3.6) 0 – –
70 HTG BIAS 0.0 PCT 0.4 0.0 – –
71 FLOW P GAIN 0.0 – 0.05 0.0 – –
72 FLOW I GAIN 0.01 – 0.001 0.0 – –
73 FLOW D GAIN 0 – 2 0 – –
74 FLOW BIAS 50.0 PCT 0.4 0.0 – –
{75} FLOW 0.0 PCT 0.25 0.0 – –
{76} CTL FLOW MIN 220
(103.818)
CFM
(LPS)
4
(1.8876)
0 – –
{77} CTL FLOW MAX 2200
(1038.18)
CFM
(LPS)
4
(1.8876)
0 – –
{78} CTL TEMP 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
{79} CLG LOOPOUT 0.0 PCT 0.4 0.0 – –
{80} HTG LOOPOUT 0.0 PCT 0.4 0.0 – –
{81} AVG HEAT OUT 0.0 PCT 0.4 0.0 – –
82 STAGE MAX 90.0 PCT 0.4 0.0 – –
83 STAGE MIN 10.0 PCT 0.4 0.0 – –
85 SWITCH LIMIT 5.2 PCT 0.4 0.0 – –
86 SWITCH TIME 10 MIN 1 0 – –
88 STAGE COUNT 1 – 1 0 – –
89 STAGE TIME 10 MIN 1 0 – –
90 SWITCH DBAND 1.0
(0.56)
DEG F
(DEG C)
0.25
(0.14)
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.
Continued on next page…