Fireye YB110 - YP100 Operating Sequence; YP100 Terminal Sequence Chart

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YP100 OPERATING SEQUENCE
Terminal
PTFI MTFI AUTO Post
Purge
STANDBY
3
Operating control
M
Cycle complete
Air flow (terminal P) must close within 10 seconds of HFS (M-8) closing
P
Valve closes in one second
13 (POC)
Proof of valve closure
Don't care state
X (HI)
Purge Complete
12 (LO)
11 (Auto)
PTFI/MTFI times keypad selectable
6 (PV)
15 s
10 s
5 (IGN/PV)
10 s
W (IGN)
5s
7 (MV)
Programmable time begins (30 sec minimum)
8 (HFS)
LFS must be closed Don't care state
D (LFS)
30 s LFS