STI LT-1UL - Manual (Page 2)

Printed in USA LT-1PCB 05/11
2306 Airport Road
Waterford, Michigan 48327-1209
Phone: 248-673-9898 • Toll Free: 800-888-4784 • Fax: 248-673-1246
www.
sti-usa
.com
FAIL SAFE MODE
WIRING DIAGRAM
12-24 VAC/VDC
UB-1/UB-2
BUTTON LED
CONTACT SET 1
CONTACT SET 2
MESSAGE LED
NO
COM
NO
NC
NC
COM
+
–
RST
INPUT COM
TRIG
RELAY NC
RELAY COM
RELAY NO
LT-1
DOOR
LOCK
RESET SWITCH
(OPTIONAL EXCEPT ON
LATCH TIMER SETTING)
FAIL SECURE MODE
WIRING DIAGRAM
12-24 VAC/VDC
UB-1/UB-2
BUTTON LED
CONTACT SET 1
CONTACT SET 2
MESSAGE LED
NO
COM
NO
NC
NC
COM
+
–
RST
INPUT COM
TRIG
RELAY NC
RELAY COM
RELAY NO
LT-1
DOOR
LOCK
RESET SWITCH
(OPTIONAL EXCEPT ON
LATCH TIMER SETTING)
19082 #6 - 32 x 5/16”
PHILLIPS PAN HEAD SCREW
(2) PROVIDED
CASE BASE
CASE TOP
LT-1PCB
ELECTRONIC INSULATION PAPER
INSTRUCTIONS FOR MOUNTING
1. Locate suitable mounting position
in a listed gang box.
2. Using case base as a template,
mark and drill (2) 7/64” holes.
3. Attach case base with 2 thread
forming screws (included).
4. Install insulation paper.
5. Snap circuit board into place with
terminal strip toward case edge
with arrow.
6. Snap on case top.
7. Wire devices.
When used with UB-1/LTUL & UB-2/LTUL Form “C”
contacts are rated maximum 30 VDC 3A.
SS-2XX4/LTUL Form “C” contacts are rated
maximum 30 VDC 3A.
SS-2XX5/LTUL Form “C” contacts are rated
maximum 30 VDC 3A.
SS-2XX7/LTUL Form “C” contacts are rated
maximum 30 VDC 3A.
WARRANTY
One year guarantee on electro mechanical and electronic
components.
Electronic warranty form at www.sti-usa.com/wc14.
CONTACT RATINGS