Installation guide

Appendix B - Common HVAC SNVT's
LonWorks 15
SNVT #
SNVT Name
Element #
Measurement
Value
7
alarm type
-13 = Alarm header
-12 = Alarm footer
-11 = Alarm debug
-10 = Alarm info
-6 = Alarm system info
-5 = Alarm value invalid
-4 = Alarm constant
-3 = Alarm offline
-2 = Alarm unknown
-1 = Value not available
0 = No alarm condition present
1 = Unspecified alarm condition present
2 = Total/service interval alarm 1
3 = Total/service interval alarm 2
4 = Total/service interval alarm 3
5 = Alarm low limit alarm clear 1
6 = Alarm low limit alarm clear 2
7 = Alarm high limit alarm clear 1
8 = Alarm high limit alarm clear 2
9 = Alarm low limit alarm 1
10 = Alarm low limit alarm 2
11 = Alarm high limit alarm 1
12 = Alarm high limit alarm 2
13 = Fire Alarm Condition
14 = Fire Pre-alarm condition
15 = Fire Trouble (fault) condition
16 = Fire Supervisory condition
17 = Fire Alarm condition in Test Mode
18 = Fire Pre-Alarm condition in Test Mode
19 = Fire Maximum environmental
compensation level reached
20 = Fire Abnormal condition with an input
object
21 = Fire Maintenance Alert
30 = Alarm fatal error
31 = Alarm error
32 = Alarm warning
8 priority level
0 (lowest priority) — 3 (highest priority)
LONMARK Fire products use the following:
4 = Life Safety Fire Alarms
(BACnet Priority 2)
5 = Property Safety Fire Alarms
(BACnet Priority 3)
6 = Fire Supervisory Alarm
(BACnet Priority 4)
7 = Fire Trouble/Fault (Display)
(BACnet Priority 5)
8 = Fire Pre-Alarm, HVAC Critical
Equipment Alarm
(BACnet Priority 6)
9 = HVAC Alarms
(BACnet Priority 8)
10 = HVAC Critical Equipment RTN, Fire
RTN (Display)
(BACnet Priority 10)
11 = HVAC RTN (lowest priority)
(BACnet Priority 16)
-1 = Value not Available
9 index of NV in alarm 0 — 65,535
10 — 13 values of index 0 — 255, 0=not specified
14 year 0 — 3,000, 0=not specified
15 month 0 — 12, 0=not specified
16 day 0 — 31, 0=not specified
17 hour 0 — 23, 0=not specified