Adressez toutes les communications et expéditions à:
FEDERAL SIGNAL CORPORATION
Electrical Products Division
2645 Federal Signal Drive
University Park, IL 60466-3195
INSTRUCTION SHEET FOR MODELS 27S AND 27SD ROTATING LIGHTS
SAFETY MESSAGE TO INSTALLERS
It is important to follow all instructions shipped with this product. This device is to be installed by a
trained electrician who is thoroughly familiar with the National Electrical Code and will follow the
NEC Guidelines as well as local codes.
The selection of the mounting location for the device, its controls and the routing of the wiring is to
be accomplished under the direction of the facilities engineer and the safety engineer. In addition,
listed below are some other important safety instructions and precautions you should follow:
• Read and understand all instructions before installing or operating this equipment.
• Do not connect this light to the system when power is on.
• After installation, ensure that all set screws and threaded joints are properly tightened.
• After installation, test the light system to ensure that it is operating properly.
• After testing is complete, provide a copy of this instruction sheet to all personnel.
• Establish a procedure to routinely check the light system for proper activation and operation.
Failure to follow all safety precautions and instructions may result in property damage, serious
injury, or death to you or others.
I. UNPACKING.
After unpacking the light, examine it for damage that may have occurred while in transit. If the
light has been damaged, do not attempt to install or operate it. File a claim immediately with the
carrier stating the extent of damage. Carefully check all envelopes, shipping labels and tags before
removing or destroying them.
II. INSTALLATION.
A.Mounting.
All mounting hardware and installation details are left to the installer. The light has been
investigated by UL as meeting Type 3R (rainproof) enclosure requirements.
1. Suspended from a guy wire.
The Model 27S can be suspended on a guy wire as shown in figure 1. The power
connections are contained in the bottom section of the light. Use approved flexible cable for
the power connection to the light.
2. 1/2" Pipe mounting.
When mounting on 1/2" pipe, electrical connections are contained in a conduit box. See
figure 2.
Power required is 120VAC @ 79 watts for 27S.
B. Electrical Connections.
1. Pipe Mount (see figure 2).
Complete the wiring in the condulet box as follows:
a. Connect the phase (hot) power source wire to the light’s black wire.
b. Connect the neutral power source wire to the light’s white wire.
c. Connect earth ground to the light’s green wire.
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2. Suspended Mount (see figures 1 and 3).
Complete the wiring in the bottom section of the light as follows:
a. Remove and retain the acorn nuts and washers.
b. Carefully lift the lamp housing from the light.
c. Remove and retain the nuts, clips, and bolts. Carefully lift the lens cylinder from the base.
Lift the motor plate to provide access to the light’s base for connecting to the power
source.
d. Connect the phase (hot) power source wire to the light’s black wire.
e. Connect the neutral power source wire to the light’s white wire.
f. Connect earth ground to the light’s green wire.
g. Reassemble the light by performing steps a through c in the reverse order.
III. MAINTENANCE.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
Listed below are some important safety instructions and precautions you should follow:
• Read and understand all instructions before operating this system.
• Any maintenance to the light system must be done with the power turned off.
• Any maintenance to the light system must be performed by a trained electrician in accordance
with NEC Guidelines and local codes.
• Never alter the unit in any manner. Safety in hazardous locations may be endangered if additional
openings or other alterations are made in units specifically designed for use in these locations.
• The nameplate, which may contain cautionary or other information of importance to maintenance
personnel, should not be obscured if exterior of housings used in hazardous locations are painted.
Failure to follow all safety precautions and instructions may result in property damage, serious
injury, or death to you or others.
A. Relamping.
WARNING
Property damage, serious injury, or death could occur if the light fails to warn. Installing a lamp
exceeding wattage of the supplied lamp could cause it to fail. Always replace the lamp
with an exact replacement lamp.
1. See figure 3. Remove and retain the acorn nuts and washers.
2. Carefully lift the lamp housing from the light.
3. Replace the lamp with an exact replacement. Use Federal Part No. K8241A014B for 27S.
4. Replace the lamp housing on the light using care to avoid pinching the wires. Secure the
housing on the light using the previously removed nuts and washers.
B. Cleaning Reflector.
If the mirror requires cleaning, use hot water and a soft cloth only. Do not use any abrasive
material to clean the mirror.
C. Lubrication.
The motor and gear reducer are sealed and do not require any lubrication.
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D. Service.
The Federal Signal factory will service your equipment or provide technical assistance with
any problems that cannot be handled locally.
Any units returned to Federal Signal for service inspection or repair must be accompanied by a
Return Material Authorization. This RMA can be obtained from the local Distributor or
Manufacturer’s Representative.
At this time, a brief explanation of the service requested or the nature of the malfunction
should be provided.
Address all communications and shipments to:
FEDERAL SIGNAL CORPORATION
Electrical Products Division
Service Department
2645 Federal Signal Drive
University Park, IL 60466-3195