Fireye YB110 - YP200 Operating Sequence; YP200 Terminal Sequence Chart

31
®
YP200 OPERATING SEQUENCE
OPEN DAMPER PURGE
(begins after terminal M energized or
cycle start)
PTFI MTFI AUTO Post Purge
3
Operating control
M
Cycle complete
Air Flow (terminal P) must close within 20 seconds of cycle start
P
13 (POC)
Proof of valve closure
Programmable time begins (30 sec minimum) Don't care state
X (HI)
12 (LO)
11 (Auto)
6 (PV)
10 s 15 s
5 (IGN)
10 s 10 s
7 (MV)
Ignore M-8 Input
8 (HFS)
Don't care state
D (LFS)
30 s