Edwards Signaling 57EDF Series - Manual

P/N 500003 ISSUE 3 © 1998 FARMINGTON, CT 203-699-3000 FAX 860-677-7746
Installation Instructions for 57EDF Series Heavy Duty
Double Flash Strobe Lights
Description
The 57EDF series signaling appliances are heavy duty, double
flash strobe lights intended for use in general signaling (non-fire
alarm) applications. The strobe lights are UL listed and CSA
Certified, have a NEMA 4X enclosure and are available in 24V
DC, 120V AC and 240V AC. See Table 1 for specifications.
The 23 joule strobe is rated at 2.3 million peak candela.
Installation
3. Apply power to the unit and ensure proper operation.
Maintenance
Strobe Tube Replacement
EDWARDS
Figure 1. Dimensions
8“
(203 mm)
6 1/2“
(165 mm)
WARNING
To prevent electrical shock, do not connect power
until installation has been completed and unit is
tightly assembled and secured.
Install this unit in accordance with the applicable requirements
in the latest edition of the National Electrical Code. See the
unit's label and Table 1 for specifications.
NOTE: For indoor applications, the strobe light can be
mounted vertically either facing up or facing down.
For outdoor applications, the unit must be mounted
vertically with the lens facing up.
1. Pull appropriate power source wiring through 3/4" (19 mm)
NPT conduit. Install the unit on the conduit.
2. Connect red positive (+) lead to positive power source wire
and black negative (-) lead to negative power source wire.
Polarity must be observed on 24V DC unit. For AC units,
connect green ground wire to earth ground.
WARNING
To prevent electrical shock, disconnect from the
supply circuit and allow five (5) minutes for stored
energy to dissipate before disassembling the unit.
Disassemble the unit as follows:
1. Remove the four (4) screws from the lens assembly and
remove the globe and lens as shown in Figure 2.
CAUTION
To prevent damage to the strobe tube, hold the
tube only by its base;
do not handle the tube.
2. Pry the strobe tube straight up and out of the strobe tube
socket.
3. Refer to Table 1 for the correct replacement catalog number
and replace the strobe tube.
4. Assemble the unit:
a. Ensure that the o-ring, part number 044001, is in place
around the base of the unit and replace the lens and dome
(Figure 2).