Installation guide

Appendix B - Common HVAC SNVT's
16 LonWorks
SNVT #
SNVT Name
Element #
Measurement
Value
18
minute
0 — 59, 0=not specified
18 second 0 — 59, 0=not specified
20 millisecond 0 — 999, 0=not specified
21 — 24 alarm_limit 0 — 255, 0=not specified
95 SNVT_switch 0 value 0 — 100%
1 state
0 = off,
1 = on,
–1 = undefined
103 SNVT_hvac_emerg 0 enumerated
0 = normal
1 = emergency pressurize
2 = emergency depressurize
3 = emergency purge
4 = emergency shutdown
5 = emergency fire
106
SNVT_temp_setpt
0
°C occupied cool
-273.17 — 327.66
1 °C standby cool -273.17 — 327.66
2 °C unoccupied cool -273.17 — 327.66
3 °C occupied heat -273.17 — 327.66
4 °C standby heat -273.17 — 327.66
5 °C unoccupied heat -273.17 — 327.66
108 SNVT_hvac_mode 0 enumerated
0 = auto
1 = heat
2 = morning warmup
3 = cool
4 = night purge
5 = pre cool
6 = off
7 = test
8 = emerg heat
9 = fan only
10 = free cooling
11 = ice
12 = max heat
13 = economy
14 = dehumidify
15 = calibrate
16 = emerg cool
17 = emerg steam
18 = max cool
19 = hvac load
20 = no load
109 SNVT_occupancy 0 status
0 = oc–occupied
1 = oc–unoccupied
2 = oc–bypass
3 = oc–standby
oc–nul 0xFF