Operating Instructions

Chapter 3—Applications for ATEC—VAV with Reheat
3-82 Siemens Building Technologies, Inc.
Example
If using DO 3 and DO 4 as the physical terminations for a motor, follow these steps:
1. Set MTR SETUP as per Table 3-13 to enable both Motor 1 (the damper) and Motor 2.
2. Unbundle MTR2 COMD at the field panel to command the motor from the field panel.
For other combinations of DOs and motors, contact you local Siemens Building Technologies
representative for complete motor enable/reverse procedures.
Point Database
Table 3-14. Point Database for Application 2473.
Point
Number
Descriptor Factory Default
(SI Units)
Eng. Units
(SI Units)
Slope
(SI Units)
Intercept
(SI Units)
On
Text
Off
Text
01 CTLR ADDRESS 99 – 1 0 – –
02 APPLICATION 2473 – 1 0 – –
{03} CHK STATUS -1 – 1 -1 – –
{04} ROOM TEMP 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
{10} CHK OUT NO – – – YES NO
{13} RM STPT DIAL 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
{15} AI 3 74.0
(23.495556)
DEG F
(DEG C)
0.5
(0.28)
37.5
(3.055556)
– –
18 WALL SWITCH NO – – – YES NO
{19} DI OVRD SW OFF – – – ON OFF
{24} DI 4 OFF – – – ON OFF
{25} DI 3 OFF – – – ON OFF
{29} DAY.NGT DAY – – – NIGHT DAY
{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
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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