SDC EP493 User manual

INSTALLATION INSTRUCTIONS
EP493 EXPLOSION PROOF / WEATHERPROOF PULL STATION
EMERGENCY DOOR RELEASE
P:\INSTALLATION INST\Accessories\INST-EP493.vsd REV Page 1 10-18 Any suggestions or comments to this instruction or
product are welcome. Please contact us through
our website or email [email protected]
This pull station is suitable for use in hazardous areas including
outdoor applications. It is important to read all information
pertaining to this device and its application.
Electrical Rating:
Contacts: DPDT
Contact Rating: 10 amps @ 125/250VAC
Wiring Connection: Terminal Block (#6-32)
Acceptable Wire AWG: 14 to 22 AWG
UL Rating:
Class Group
I B, C, D
II E, F, G
III
Outdoor Rating – NEMA Type 4X
SECURITY DOOR CONTROLS
801 Avenida Acaso, Camarillo, Ca. 93012 • [phone] • Fax: [phone]
www.sdcsecurity.com • E-mail: [email protected]om
Power Supply
24VDC
(-)
+
NOTE: Switch polarity shown with the T-handle
in the non-activated (up) position.
EP17624
Explosion
Proof
Maglock
+
(-)
Grounding: 3/4“ NPT
Wiring Connections:
COM
N/O
N/C N/O
General Purpose Area
Hazardous Location
Hazardous
Rated
Wiring
Cover
O-Ring

Before Closing Assembly:
1. Make sure that mating
surfaces are clean and free of
debris.
2. Inspect to assure all O-ring
seals are in their place. If not,
carefully re-install making sure of
proper fit.
3. Squeeze insulator inward and
slide switch assembly over
backbox making sure insulator is
inside backbox.
4. Before tightening assembly,
check to make sure of proper
seating.
Basic Assembly:
O-ring seal. Backbox
Note: Do not substitute O-rings or cover
screws with other hardware, as this may
degrade or produce failure of device.
DOOR RELEASE
EMERGENCY
Glass Rod Replacement:
The pull station is shipped with the
glass rod removed. It is
recommended that the station be
activated and tested prior to
installation of the glass rod.
To replace a broken glass rod,
use the supplied allen wrench to
open the front cover. Carefully
remove the glass debris from
broken rod & reset T-Handle to
the normal position.
Insert one end of rod under Spring
Tab. Then, lift other end of Spring
Tab allowing Glass Rod to slip into
place.
Replacement Glass Rod
SDC P/N 492-GL4
Switch
Assembly
Front Cover
6"
5.375"
4.875" (backbox)
3.2"
2.125"
Dimensions:
Side View
3.63"
2.75"
2.00"
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