Edwards Signaling 57EDF User Manual

EDWARDS

Installation Instructions for 57EDF Series Heavy Duty

Double Flash Strobe Lights

8

(203 mm)

6 1/2

(165 mm)

Figure 1. Dimensions

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

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.

3. Apply power to the unit and ensure proper operation.

Maintenance

Strobe Tube Replacement

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;

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).

do not

handle the tube.

F ARMINGTON, CT 203-699-3000 F AX 860-677-7746

P/N 500003 ISSUE 3 © 1998

g

g

g

g

b. Install four (4) screws removed in step 1.

5. After the unit is assembled, apply power and ensure the unit
functions properly.

Dome

Lens

(4) S c re ws w ith was hers
for securin
to b a se

Strobe Tube

dome and lens

Strobe Tube
Socket

Base

(3) S c re ws w ith was hers
for securin
to b a se

base plate

Thread ed C o nduit
Entra n ce Hole

O-Rin
P/N 044001

O-Rin
P/N 044002

Base Plate

Figure 2. Replacing the Strobe Tube

Table 1. Specifications

Strobe Tube Replacement Parts

Cat. No. Ratings Lens Color Life* Strobe Tube Lens Dome

57EDFA-G1 24V DC Amber 3,000 Hours 92-ST 57E-LA 57E-DC
57EDFB-G1 2.2A Blue 57E-LB
57EDFC-G1 Clear 57E-LC
57EDFG-G1 Green 57E-LG
57EDFR-G1 Red 57E-LR

57EDFA-N5 120V 50/60 Hz Amber 3,000 Hours 92-ST 57E-LA 57E-DC
57EDFB-N5 0.2A Blue 57E-LB
57EDFC-N5 Clear 57E-LC
57EDFG-N5 Green 57E-LG
57EDFR-N5 Red 57E-LR

57EDFA-R5 240V 50/60 Hz Amber 3,000 Hours 92-ST 57E-LA 57E-DC
57EDFB-R5 0.1A Blue 57E-LB
57EDFC-R5 Clear 57E-LC
57EDFG-R5 Green 57E-LG
57EDFR-R5 Red 57E-LR

*Calculated strobe tube life at operating power to 75% efficiency.

P/N 500003 ISSUE 3