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INSTALLATION AND MAINTENANCE INSTRUCTIONS
PIBVEXP Explosion Proof
Post Indicator and Butterfly Valve Switch
Specifications
Contact Ratings:
Dimensions:
Operating Temperature Range: –40°F - 160°F (–40°C – 71°C)
Maximum Stem Extension: 2.1875"
Shipping Weight:
Enclosure Rating:
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.
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 author-
ity having jurisdiction. Additional information is available
in National Fire Protection Association standards NFPA 13,
13D, 13R, 71, and 72.
D770-28-00
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
3.75"L X 3.25"D X 4.5"H
1-3/4 lb.
UL Listed explosion proof switch enclosure for use in hazardous locations.
Class I, Groups C and D; Class II, Groups E. F and G
CAUTION
3825 Ohio Avenue, St. Charles, Illinois 60174
General Information for Post Indicator Valves and
Butterfly Valves
1. Model PIBVEXP is designed for installation in a
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. M odel PIBVEXP is equipped with a removable
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 elimi-
nates any need for alteration of the length of the lever.
1
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
1 ⁄2
" NPT
1 ⁄2
" NPT
I56-1430-002R
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Summary of Contents for System Sensor PIBVEXP
- Page 1 These instructions apply to System Sensor switches for post of the valve and is released when the valve moves toward indicator and butterfly type valves. Read all instructions the closed position from the fully open position. 1 ⁄2 carefully before beginning. Follow only those instructions 2. M odel PIBVEXP is equipped with a removable ″ NPT that apply to the model being installed. pipe nipple which is locked in place with two set screws. A hex wrench is provided for this feature. These models also CAUTION include an adjustable length actuating lever which elimi- To prevent ignition of hazardous atmospheres, disconnect nates any need for alteration of the length of the lever.
- Page 2 5 ⁄8 ″ from the distance and set the length of the actuat- ing lever of the PIBVEXP from the end of the enclosure to this distance. Tighten the set screw which holds the actuating lever. 9. Close the valve 3 to 4 revolutions. 10. Install the PIBVEXP onto the nipple and orient the conduit entry per Section 1. Apply pressure to the PIBVEXP and lock the set screws to secure the nipple Section 1 to the PIBVEXP. Installation Instructions For Post Indicator Valves 11. Slowly open the valve to its fully open position. The 1. There are two types of post indicator valves - rising...
- Page 3 Check to ensure that in the full open position the actu- ating arm is not resting on the nipple. 9. Carefully close valve and note the number of handle revolutions until the switch trips. The switch must trip 1 ⁄5 within of the total travel range of the valve. 10. Wire the switch as shown in Fig. 3. NOTE: When removing the cover of the PIBVEXP use provided allen wrench in box. W0244-00 Figure 3: SUP. SWITCH SUP. SWITCH TO NON-SILENCEABLE END OF LINE INITIATING ZONE OF RESISTOR LISTED FACP...
- Page 4 WARNING The Limitations of Supervisory Switch Alarm Devices 1. Alarms generated by the actuation of the activating lever 3. Supervisory switches are not a substitute for insurance. may not be received by a central station if telephone or Building owners should always insure property and lives other communication lines to the alarm device are out of being protected. service, disabled, or open. 2. Supervisory switch alarm devices have a normal service life of 10-15 years. Please refer to insert for the Limitations of Fire Alarm Systems Three-Year Limited Warranty System Sensor warrants its enclosed supervisory switch to be free from Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174.
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