Murphy ST8 User Manual
ST-94112N page 1 of 4
Installation and Operation Instructions for
SELECTRONIC
®
TATTLETALE®Annunciator
Model ST8
ST-94112N
Revised 07-04
Section 25
(00-02-0758)
Description
The ST8 is an eight point TATTLETALE®panel designed to give “first out”
indication of cause of alarm or shutdown. This “first out” feature means
that only the first fault will be shown by LED; this feature isolates the
primary cause of shutdown, and helps simplify troubleshooting. The
ST8 is available in two different types of mounting: flush mounting
(“F”), and gimbal mounting (“G”).
Specifications
All specifications apply to both models unless indicated.
Power Input (Operating Voltage): 8–32 VAC, 8–40 VDC
Sensor Inputs: 8 sensor switches, normally open or
normally closed dry contacts.
Number of Alarm Points: ST8: 8 first out shutdown/alarm.
Lockout Time Delay During Startup:
25 to 35 seconds (selectable for each sensor input).
Please read the following information before installing. A visual inspection of this product for damage during shipping is recommended before mounting. It is your responsibility to have a qualified person install this unit and make sure it conforms to
NEC and local codes.
GENERAL INFORMATION
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT
✔ Disconnect all electrical power to the machine.
✔ Make sure the machine cannot operate during installation.
✔ Follow all safety warnings of the machine manufacturer.
✔ Read and follow all installation instructions.
ST8-F ST8-G
DIMENSIONS
Certain danger to human safety and to equipment may
occur if some equipment is stopped without pre-warning.
It is recommended that monitored functions be limited to
alarm-only or to alarm before shutdown.
WARNING
5-11/16 in.
(144 mm)
2-3/16 in.
(56 mm)
2-7/8 in.
(73 mm)
Clearance
6-3/8 in.
(162 mm)
5-7/8 in.
(149 mm)
5-3/8 in.
(137 mm)
Gimbal
Mounting
Bracket
1-3/4 in.
(44 mm)
ST-94112N page 2 of 4
MOUNTING
1. Cut a hole in the panel according to the mounting hole dimen-
sions shown below.
2. Install the flush mount mounting bracket on the TATTLETALE
®
.
3. Insert the TATTLETALE®into the hole through the front of
the panel.
4. Install the four 6-32 x 5/8 screws supplied.
Flushmount
Bracket
Mounting
Screws (4)
Bracket Mounting
Screws (2)
TATTLETALE
®
Mounting Holes
Gimbal
Bracket
Washers (2)
Mounting Bracket
Knobs (2)
Customer Supplied
Bracket Mounting
Screws (3)
TATTLETALE
®
1. Install the gimbal mounting bracket with three screws (cus-
tomer supplied) according to the mounting hole dimensions
shown below. NOTE: Verify the TATTLETALE
®
s rotation
clearance (see Dimensions, page 1).
2. Attach the TATTLETALE
®
to the gimbal bracket with the
washer and mounting bracket knobs.
APPLYING PREPRINTED LABELS
Preprinted label are supplied with the TATTLETALE®. These
labels are precut, pressure sensitive and when properly applied
are permanent. To insure proper label application perform the
following steps:
1. Be sure the TATTLETALE
®
s faceplate is clean and free of oil.
Gimbal Mounting Bracket Hole Dimensions
Panel Mounting Hole Dimensions
2. Peel one label at a time and position on the faceplate in the
box which matches the input sensor position.
3. Before pressing down, be sure label is correctly placed.
4. Press firmly on the label, and leave untouched for
several hours.
Panel Mount Model (ST8-F)
Gimbal Mount Model (ST8-G)
3-1/2 in.
(89 mm)
1 in.
(25 mm)
1-3/4 in.
(44 mm)
9/64 in. (4 mm)
diameter 3 places
5-5/16 in.
(135 mm)
5-3/8 in.
(137 mm)
5/32 in.
(4 mm)
Typical
4 places
4-11/16 in.
(119 mm)
5-3/4 in.
(146 mm)
Loading...