Xtralis VESDA VLS - Page 22

VESDA Products
2-2 VESDA Student Workbook
RSET vs. ASET
Time
Initiation
of Fire
Detection
&Warning
Egress
Signal
Untenable
Condition
RSET
ASET
Completion
Egress
ASET – Available safe Egress time
RSET – Required safe Egress time
Objective: ASET > RSET
ASD technology advantages
Standard fire prevention
methods are reactive, leaving
little time for preventative
response.
Active aspirating smoke
detection provides time for
local response before lives,
assets, or business
continuity are threatened.
Detect
Assess
Respond
Early Detection
Detect
Assess
Respond
Standard Detection