D770-28-00
1
I56-1430-000
PIBVEXP Explosion Proof
Post Indicator and Butterfly Valve Switch
INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
Important
Please Read Carefully and Save
This instruction manual contains important information on
the installation and operation of supervisory switches.
Purchasers who install supervisory switches for use by oth-
ers must leave this manual or a copy of it with the user.
These instructions apply to System Sensor switches for post
indicator and butterfly type valves. Read all instructions
carefully before beginning. Follow only those instructions
that apply to the model being installed.
CAUTION
To prevent ignition of hazardous atmospheres, disconnect
supply circuit before opening. Keep assembly tightly closed
when in operation. Do NOT leave unused wires exposed.
All supervisory switch installations must comply with local
codes and ordinances and the requirements of the authority
having jurisdiction. Additional information is available in
National Fire Protection Association standards NFPA 13,
13D, 13R, 71, and 72.
Specifications
Contact Ratings:
One SPDT (Form C) Switch
15 A @ 125/250/480 VAC; 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC
1/2 A @ 125 VDC; 1/4 A @ 250 VDC
Dimensions:
3.75"L X 3.25"D X 4.5"H
Operating Temperature Range:
-40
°
F - 160
°
F (-40
°
C – 71
°
C)
Maximum Stem Extension:
2.1875"
Shipping Weight:
1-3/4 lb.
Enclosure Rating:
UL Listed explosion proof switch enclosure for use in hazardous locations.
Class I, Groups C and D; Class II, Groups E. F and G
General Information for Post Indicator Valves and
Butterfly Valves
1. Model PIBVEXP is designed for installation in a
1
/
2
" NPT
tapped hole and located so that the actuating lever of the
switch engages the target or flag of the valve . The switch
actuating lever is spring loaded against the flag or target of
the valve and is released when the valve moves toward
the closed position from the fully open position.
2. Model PIBVEXP is equipped with a removable
1
/
2
" NPT
pipe nipple which is locked in place with two set screws.
A hex wrench is provided for this feature. These models
also include an adjustable length actuating lever which
eliminates any need for alteration of the length of the lever.
D770-28-00
4
I56-1430-000
©
System Sensor 1999
Three-Year Limited Warranty
System Sensor warrants its enclosed supervisory switch to be free from
defects in materials and workmanship under normal use and service for a
period of three years from date of manufacture. System Sensor makes no
other express warranty for this supervisory switch. No agent, representa-
tive, dealer, or employee of the Company has the authority to increase or
alter the obligations or limitations of this Warranty. The Company’s obli-
gation of this Warranty shall be limited to the repair or replacement of any
part of the supervisory switch which is found to be defective in materials
or workmanship under normal use and service during the three year pe-
riod commencing with the date of manufacture. After phoning System
Sensor’s toll free number 800-SENSOR2 (736-7672) for a Return Authori-
zation number, send defective units postage prepaid to: System Sensor,
Repair Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL
60174. Please include a note describing the malfunction and suspected
cause of failure. The Company shall not be obligated to repair or replace
units which are found to be defective because of damage, unreasonable
use, modifications, or alterations occurring after the date of manufacture.
In no case shall the Company be liable for any consequential or incidental
damages for breach of this or any other Warranty, expressed or implied
whatsoever, even if the loss or damage is caused by the Company’s negli-
gence or fault. Some states do not allow the exclusion or limitation of inci-
dental or consequential damages, so the above limitation or exclusion may
not apply to you. This Warranty gives you specific legal rights, and you
may also have other rights which vary from state to state.
1.
Alarms generated by the activation of the actuating lever
may not be received by a central station if telephone or
other communication lines to the alarm device are out of
service, disabled, or open.
2.
Supervisory switch alarm devices have a normal service life
of 10-15 years.
WARNING
The Limitations of Supervisory Switch Alarm Devices
3.
Supervisory switches are not a substitute for insurance.
Building owners should always insure property and lives
being protected.
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