Edwards Signaling 92PLC Series - Manual (Page 2)

P-047550-1760 ISSUE 6
Cleaning
Strobe Tube Replacement
Refer to "Replacement Parts" for the required strobe tube.
1. Lift the lens off of the signal base being careful not to
tear the gaskets permanently affixed to the lens.
To prevent leakage, use care when disassembling
the signal to prevent tearing of the weatherproof
gaskets.
CAUTION
To prevent damage to the lens, do not use abrasive
materials or cleaners.
CAUTION
Clean the signal lens periodically with a soft cloth or
sponge using water or a mild detergent solution to main-
tain optimum light visibility. Ensure that the lens is com-
pletely dry before replacing.
To prevent damage to the external strobe tube wire
and strobe tube, handle the strobe tube
only by the
base.
CAUTION
To prevent electrical shock, disconnect power and
allow five minutes for stored energy to dissipate
before diassembling the signal.
WARNING
Fasten the base to the surface using (2) #10 wood
screws (not supplied) or other suitable hardware
through the knockout holes in the base.
b. Mounting on a 4" (102mm) Octagon Box
(indoor only)
Remove the (2) knockouts for mounting screws
from the bottom of the signal base.
Route the field wiring from a 120V 50/60 Hz power
source through the conduit entrance hole in the
base.
Fasten the base to the octagon box (not supplied)
using the screws supplied with the box through
the knockout holes in the base.
c. Mounting on 1/2" (13mm) NPT Conduit
(indoor or outdoor)
Route the field wiring from a 120V 50/60 Hz power
source through the conduit and then through the
conduit entrance hole in the base.
Install the base on the conduit.
4. Connect the field wiring to the signal wire leads using
wire nuts (not supplied). Polarity is not important.
Connect the green ground wire leads using wire nuts
(not supplied). Place the connected wires inside the
base and reassemble the signal on the base.
5. Turn on power and verify that the signal operates
properly.
Maintenance Maintenance Maintenance Maintenance Maintenance
2. Grasp the base of the strobe tube and pull firmly, or
carefully pry between the strobe tube base and the
socket to remove the tube from the socket. Install
the new strobe tube by aligning the key on the strobe
tube base with the slot in the socket and then pressing
the strobe tube base onto the socket. Reassemble the
signal.
3. Turn on the power and verify that the strobe operates.