Installation guide
Appendix B - Common HVAC SNVT's
LonWorks 17
SNVT #
SNVT Name
Element #
Measurement
Value
111
SNVT_hvac_overid
0
state
0 = Not overridden
-1 = Value not available
The next 16 override values apply to all devices or
groups.
1 = Override position percentage - use
percent field
2 = Override flow in liters/sec - use flow
field
3 = Override flow percentage - use
percent field
4 = Override to position = 100%
5 = Override to position = 0%
6 = Override to configured minimum
7 = Override to configured maximum
8–16 = Unused
The next 16 override values apply to the first device or
group.
17 = Override position percentage - use
percent field
18 = Override flow in liters/sec - use flow
field
19 = Override flow percentage - use
percent field
20 = Override to position = 100%
21 = Override to position = 0%
22 = Override to configured minimum
23 = Override to configured maximum
24–32 = Unused
The next 16 override values apply to the second device
or group.
33 = Override position percentage - use
percent field
34 = Override flow in liters/sec - use flow
field
35 = Override flow percentage - use
percent field
36 = Override to position = 100%
37 = Override to position = 0%
38 = Override to configured minimum
39 = verride to configured maximum
40–48 = Unused
1 Percent of full scale -163.83 — 163.83%
2 liters/second (flow) 0 — 65,534










