Murphy ST8 User Manual download pdf

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 rec-

ommended 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

WARNING

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.

6-3/8 in.

(162 mm)

5-11/16 in.

(144 mm)

2-3/16 in.

(56 mm)

5-7/8 in.

(149 mm)

2-7/8 in.

(73 mm)

Clearance

1-3/4 in.

(44 mm)

5-3/8 in.

(137 mm)

Gimbal

Mounting

Bracket

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.

1 2 3 4

Summary of Contents

Page 1 - Model ST8

ST-94112N page 1 of 4Installation and Operation Instructions for SELECTRONIC®TATTLETALE®AnnunciatorModel ST8ST-94112NRevised 07-04Section 25(00-02-075

Page 2 - Gimbal Mount Model (ST8-G)

ST-94112N page 2 of 4MOUNTING1. Cut a hole in the panel according to the mounting hole dimen-sions shown below.2. Install the flush mount mounting bra

Page 3 - Typical Wiring

ST-94112N page 3 of 4ELECTRICALABBatteryRunRemove jumper from terminals 12 and 13 and set individual sensor Lockout Switch for a 25 to 35 second locko

Page 4 - Setting Lockout Switches

ST-94112N page 4 of 4BASIC OPERATIONST81. Apply power to the ST8 TATTLETALE®(terminals 13 and 14). 2. The “POWER ON” and “RUN” LED light will switch O

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Murphy ST8 User Manual

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