Installation guide

Appendix B - Common HVAC SNVT's
LonWorks 19
SNVT #
SNVT Name
Element #
Measurement
Value
4
1 = local
5 1 = limited
6 1 = chilled water flow
7 1 = conditioned water flow
128 SNVT_tod_event 0
current scheduled
occupancy state
0 = Area is occupied
1 = Area is unoccupied
2 = Area is temporarily occupied for the
bypass period
3 = Area is temporarily unoccupied
-1 = Value not available
1
next scheduled
occupancy state
0 = Area is occupied
1 = Area is unoccupied
2 = Area is temporarily occupied for the
bypass period
3 = Area is temporarily unoccupied
-1 = Value not available
2 Minutes to next state 0 — 65,535
138 SNVT_Volt_ac 0 Volt 0 — 65,535
139 SNVT_amp_ac 0 Amp 0 — 65,535
145 SNVT_hvac_type 0 enumerated
0 = Generic
1 = Fan coil
2 = VAV Terminal
3 = Heat Pump
4 = Roof Top Unit
5 = Unit Ventilator
6 = Chilled ceiling
7 = Radiator
8 = Air Handling Unit
9 = Self-contained unit
153 SNVT_Enthalpy 0 J/Kg -32,768 — 32,767