1. Disassemble the light as follows:
a. Remove dome assembly by grasping the die-cast ring attached to the dome and
turning it counter-clockwise.
b. Remove three no. 10 hex head screws that secure motor mounting base to
housing.
c. Remove motor mounting base.
d. If desired, remove factory supplied leads from the terminal block.
2. If conduit side entries are to be used, attach either Myers STNTB-2 or T&BH075-
TBH 3/4" N.P.T. conduit hub with 3/4" N.P.T. close nipple (all user-supplied) to
housing and tighten securely. When side entries are used, the bottom 1" N.P.T.
conduit entry must be plugged with threaded plug (user-supplied).
3. Route supply wires (10 AWG to 16 AWG) into the light housing taking care to
keep wires clear of motor fan.
4. Strip a maximum of .28” (7 mm) of wire insulation from the ends of the power
leads. Connect wires to terminal block by inserting the stripped ends of the wire
into the connector as far as they can travel and tightening the clamping screw
(max. tightening torque = 7.0 in-lbs {.8 N-m}).
IMPORTANT
Proper grounding of the light requires two connections to a solid earth ground.
5. See figure 3. Connect earth ground to terminal block and green ground screw
located in light housing.
6. Re-assemble the light and test for proper operation.
II. 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/CEC Guidelines and local codes.
•
Never alter the unit in any manner. Safety may be endangered if additional openings
or other alterations are made to units.
•
The nameplate, which contains cautionary or other information of importance to
maintenance personnel, should not be obscured.
•
If the dome is damaged in any way, the complete dome assembly MUST be replaced.
•
After performing any maintenance, test the light system to ensure that it is operating
properly.
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