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Installation and Service Instructions for Commander
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D; Class II, Division 2;
Class 3 or non-hazardous locations only.
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 Electric Code/Canadian Electric Code and will follow
the NEC/CEC Guidelines as well as local codes.
The selection of 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.
•
To reduce the risk of ignition of hazardous atmospheres, disconnect the fixture from the supply circuit
before opening. Keep tightly closed when in operation.
•
The strobe housing is not be used as a raceway for through branch circuit conductors.
•
After installation, ensure that the threaded dome ring joint is fully engaged.
•
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 operating personnel.
•
Establish a procedure to routinely check the light installation for integrity and proper
operation.
Failure to follow all safety precautions and instructions may result in property damage, serious injury, or
death to you and others.
I. INSTALLATION
A. Unpacking.
After unpacking the light, examine it for damage that may have occurred in transit. If the equipment has
been damaged, do not attempt to install or operate it. File a claim immedi ately with the carrier stating
the extent of the damage. Carefully check all envelopes, shipping labels, and tags before removing or
destroying them.
B. Mounting (see Figure 1).
To reduce the risk of fire or explosion, do not install in hazardous location if the operating
temperature exceeds the hazardous atmosphere's ignition temperature. Refer to the product
nameplate for operating temperature markings.
The Model 371DST lights are designed for mounting on a flat horizontal surface or on a 1" NPT
pipe. For surface mounting on solid substrates, a separately purchased Model 371BRCKT (3-point
mounting bracket) may be used. When using Model 371BRCKT, the bottom 1" NPT conduit entry
of the light must be plugged with the 1" NPT close-up plug provided with the kit. If conduit side
entry is to be used, disassemble light as described in section ID.1 and remove knockout with a
blunt tool prior to mounting light. Use a file to remove excess flash around the knockout.
Model 371DST Strobe Lights
for Use in Hazrdous Locations
Safety Message to Installers,
Users and Maintenance Personnel
CAUTION
1
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