STI LT-1 User manual

NOTE:
It is important to read, understand and follow all instru tions provided with this
produ t. It is the installer’s responsibility to omply with NFPA 70, 72 & 101, NEC,
mounting spe ifi ations a ording to ADA and other appli able odes. This produ t is
not to be used in pla e of pani hardware. To avoid ele tri al sho k, DO NOT attempt
to install this produ t when power is on. After installation and testing are omplete,
provide a opy of this manual to all personnel responsible for testing and maintenan e
of this produ t.
STI LATCHING/TIMER MODEL LT-1
RELAY ACTIVE LED RED
POWER LED GREEN
1.28 in.
33mm
1.74 in.
44mm
.632 in.
16mm
+
-
*POWER IN
12 - 24 VAC/VDC, 18 mA
TIMER
CONTROL
FORM “C”
DRY CONTACTS
3A, 30VDC
RESET
INPUT COM
TRIGGER
N.C.
COM
N.O.
1

Printed in USA LT-1PCB 11/10
RELAY MODE
N.O. - Relay swit hes with power to ir uit - Fail Safe
N.C. - Relay is in same state as with no power to ir uit - Fail Se ure
TO CHANGE TIMER SETTINGS
Cut jumpers with “X”, do not ut jumpers with “ “.
Default timer setting is 15 se onds.
If the trigger is a tivated during a timing y le, the timer is restarted.
NOTE: To ensure jumpers do not reatta h or short to other omponents, ut jumper off ompletely
flush to PCB.
Three year warranty or a one year limited warranty (from date of pur hase) on most produ ts. See
website for details.
Ele troni warranty form at www.sti-usa. om/w 14.
+-
x
xx
x
TIMER START
SWITCH
TIMER OVERRIDE
RESET (OPTIONAL)
*POWER IN
12-24 VAC/VDC,15mA
TO MAGNETIC LOCK
(FAIL SAFE MODE)
JUMPERS
15 SEC
RELAY MODE JUMPER
30 SEC 45 SEC LATCH
IF TRACES ARE INADVERTENTLY CUT,
SOLDER JUMPER WIRES USING
APPROPRIATE HOLES.
RELAY MODE
N.O.
N.C.
NO CUT
CUT
15s
30s
45s
Ltch
Relay
NO
Relay
COM
Relay
NC
Trig Input
Com
Reset Power Input
+
-
12 to 24 Volts
AC or DC
MODEL LT-1
RELAY MODE
N.O.
N.C.
NO CUT
CUT
15s
30s
45s
Ltch
Safety Technology International Ltd
Taylor House • 34 Sherwood Road • Bromsgrove
orcestershire • B60 3DR, England • Tel: [phone]
Fax: [phone] • [email protected] • www.sti-europe.com
2306 Airport Road • aterford, MI 48327, USA
Phone: [phone] • Fax: [phone]
[email protected] • www.sti-usa.com