Operating Instructions

Application 2520: VAV Cooling Only
Siemens Building Technologies, Inc. 2-9
Point Database
Table 2-2. Point Database for Application 2520.
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 2486 – 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)
– –
06 DAY CLG STPT 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
08 NGT CLG STPT 82.0
(27.92888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
{10} CHK OUT NO – – – YES NO
11 RM STPT MIN 55.0
(12.80888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
12 RM STPT MAX 90.0
(32.40888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
{13} RM STPT DIAL 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
14 STPT DIAL NO – – – YES NO
{19} DI OVRD SW OFF – – – ON OFF
20 OVRD TIME 0 HRS 1 0 – –
{21} NGT OVRD NIGHT – – – NIGHT DAY
{29} DAY.NGT DAY – – – NIGHT DAY
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 – –
{35} AIR VOLUME 0
(0.0)
CFM
(LPS)
4
(1.8876)
0 – –
36 FLOW COEFF 1.0 – 0.01 0.0 – –
{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.
continued on next page. . .