Electro Industries EM-MC00 Series Installation & Operating Manual page 14

Packaged make-up air, no heat models
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4. Example – required three wraps, means the wire must go through the CT, loop back
around, and then loop back around the second time through before it's terminated at its
original connection point.
5. The phasing or direction through the CT is not critical, simply one continuous wire.
6. The secondary side of the CT (pigtail wires) is connected at terminal block (TB2).
a. CT black wire, connect to either:
i. TB2-2, TB2-4 or TB2-6
b. CT red wire, connect to either:
i. TB2-1, TB2-3 or TB2-5.
Clothes Dryer Installations – When installing this product with a clothes dryer, make sure the
power wire which services both one leg of the heating element and the drum/fan motor is used.
Some dryers modulate the heating element on and off during the drying cycle which will cause
the Make-Up Air unit to shut off prematurely if the CT is installed on the power leg that services
the heating element only.
WARNING
DO NOT RETURN SOURCE POWER TO UNIT UNTIL CT SECONDARY IS TERMINATED AT
CONTROL BOARD. OPERATING THE VENT HOOD WITHOUT THE CT TERMINATED CAN
CAUSE DAMAGE TO THE CT AND A VERY HIGH SHOCK HAZARD.
Advanced Installation & Special Equipment Concerns section provides more information.
07/29/2019
12
EI915

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