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TM 5-4110-234-14
TO 40R7-5-7-1
Route the end of the power cable through the grommeted hole in the upper right hand corner of the
condenser section frame and the open seal grip in the control box.
is used in the operation of this equipment
DEATH ON CONTACT
may result if personnel fail to observe safety precautions.
Never work on electrical equipment unless there is another person nearby who is familiar with the operation and
hazards of the equipment and who is competent in administering first aid. When the technician is aided by operators, he
must warn them about dangerous areas.
Whenever possible, the input power supply to the equipment must be shut off before beginning work on the
equipment. Take particular care to ground every capacitor likely to hold a dangerous potential. When working inside the
equipment, after the power has been turned off, always ground every part before touching it.
Be careful not to contact high-voltage connections of 208 volts ac input when installing or operating this
equipment.
Whenever the nature of the operation permits, keep one hand away from the equipment to reduce the hazard of
current flowing through vital organs of the body.
Do not operate the equipment without all grilles, guards, louvers, and covers in place and tightly secured.
Warning: Do not be misled by the term "low voltage." Potentials as low as 50 volts may cause death under
adverse conditions.
Pull enough cable through the seal grip to reach the E2 ground post.
Tighten the knurled nut on the seal grip.
Strip cable jacket back to within 1/4 inch (.64 cm) of the inside of the seal grip.
Install a terminal lug on the ground wire and connect the ground wire to the ground post.
Cut the remaining three wires to length, strip ends and install in the screw connection on the CB1 pull- out
disconnect (See wiring diagram figure 4-5 for correct phase relationship).
The pull-out disconnect should be rotated to the on position.
Close the control panel doors and install retaining screws.
Connect or turn on power source.
Turn the unit on and check to see that the rotation of the motor is clockwise as seen when facing the
condenser side of the refrigeration unit. If rotation is incorrect, reverse any two of the three voltage input
wires.
4-11
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