STI LT-1UL - Manual

NOTE:
It is important to read, understand and follow all instructions provided with this product. It is the installer’s responsibility to
comply with NFPA 70, 72 & 101, NEC, mounting specifications according to ADA and other applicable codes. This product
is not to be used in place of panic hardware. To avoid electrical shock, DO NOT attempt to install this product when power
is on. After installation and testing are complete, provide a copy of this manual to all personnel responsible for testing and
maintenance of this product.
*For access control installations, power for the LT-1UL Timer must be supplied by a power source Listed to UL294. When
used for access control, this device shall be used a part of an access controlled egress door system. It is up to the local
AHJ to allow use of this device in place of an automatic sensor. For higher security installations, lower time limits should
be used.
STI LATCHING/TIMER MODEL LT-1UL
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
RELAY MODE
N.O. - Relay N.O. -switches with power to circuit - Fail Safe (default)
N.C. - Relay is in same state as with no power to circuit - Fail Secure (cut jumper)
TO CHANGE TIMER SETTINGS (default = 15 seconds): Cut jumpers with “X”, do not cut jumpers
with “
“.
If the trigger is activated during a timing cycle, the timer is restarted.
NOTE: To ensure jumpers do not reattach or short to other components, cut jumper off completely
flush to PCB.
+ -
x
TIMER START
SWITCH
TIMER OVERRIDE
RESET (OPTIONAL)
*POWER IN
12-24 VAC/VDC
TO MAGNETIC LOCK
(FAIL SAFE MODE)
JUMPERS
15 SEC
RELAY MODE JUMPER
30 SEC 45 SEC LATCH
ILLUMINATING GREEN
ILLUMINATING RED
SHOWN: POWER ON
NORMAL CONDITION
x x
x