SECTION V
UL EX-4510 12-1-01 Page 5-15
Design
ACCESSORIES
Specific selection and placement of accessories that may
be used with the INERGEN system are:
Mechanical Manual Pull
The mechanical manual pull station allows the INERGEN
system to be manually operated at some point distant from
the control system or cylinders. The pull station should be
installed at a maximum height of 60 in. (15.2 cm) and locat-
ed in the path of exit.
The total length of wire rope used for each mechanical
manual pull station within a system must not exceed 125 ft.
(38 m).
The maximum number of pulley elbows that may be used
per pull station is 10.
Parts that are required for installation of a remote manual
pull station, either electric or mechanical are:
Descr
iption Part No.
Latch Type Pull Box 45062
Type A Break Glass Pull Box 41527
Pair of Legs for Pull Box 41542
1/16 in. Cable W/Swaged End 42104
Fitting – 50 ft. (15.2 m)
1/16 in. Cable W/Swaged End Fitting – 42109
100 ft. (30.5 m)
1/16 in. Cable W/Swaged End Fitting – 42113
150 ft. (45.7 m)
Aluminum Corner Pulley (Use With EMT) 423250
Brass Corner Pulley-Nylon Wheel-Watertight 42678
Brass Corner Pulley-Brass Wheel-Watertight 45515
Dual/Triple Control Box 42784
Pull Cable Equalizer 42791
1/16 in. Cable Clamp 45333
Flared End Fitting 40060
Pulley Adaptor – Right and Left 40696
Hand (Brass Pulley Only)
Pressure Switch
The pressure switch is operated by the INERGEN agent
pressure when the system is discharged. The piping to the
pressure switch is normally run from the distribution mani-
fold but can also be run from an ANSUL AUTOMAN
Release Cartridge. The pressure switch can be used to
open or close electrical circuits to either shut down equip-
ment or turn on lights or alarms or to signal the control
panel.
The piping required to connect from the system manifold to
the pressure switch is 1/4 in. Schedule 40 (if connected to
distribution piping), or Schedule 80 (if connected to mani-
fold). Maximum length of 1/4 in. piping from INERGEN man-
ifold to all accessories must not exceed 100 ft.
(30.5 m).
Pressure switches that may be used on system are:
Descr
iption Part No.
Pressure Switch – DPST 46250
The pressure switches are rated as follows:
Part No. 46250 – 2 HP @ 240VAC/480 VAC or 2 HP @ 250
VDC, 30A 250V AC/DC 5A 480V AC/DC
Pressure Trip
The pressure trip is connected to the actuation or discharge
line of a INERGEN system. By either pneumatic or manual
actuation, the pressure trip can release spring or weight
powered devices to close doors and windows, open fuel
dump valves, close fire dampers or close fuel supply valves.
Piping to the pressure trip must be determined based on
the maximum pressure at point of connection. Refer to
Estimation Chart (Pipe Pressure) in Appendix Section to
determine required schedule and grade.
Pressure trip piping connection must be made to the sys-
tem piping at the point where the system piping is closest to
the pressure trip installed location. Maximum length of 1/4
in. piping to all accessories must not exceed 100 ft. (30.5
m).
Pressure trip that may be used on system is:
Descr
iption
Part No.
Pressure Trip 5156
To Next Page
Loading...
