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n EGzG RO RON <br /> GJ industrial Division <br /> North Street, Saugerties,NY 12477 <br /> TEL. (914) 246-3401 FAX: (914) 246.3802 <br /> IMPORTANT: Read Before Wiring this Explosion-proof Blower <br /> This EG&G Rotron Explosion-proof Regenerative blower is equipped <br /> with Pilot Duty Thermal Overload protection. When properly wired <br /> to a motor starter, this protection limits the motor winding <br /> temperature rise per the National Electric Code (NEC) article <br /> 600 . Failure to properly wire this blower is a NEC violation and <br /> could cause an explosion. EG&G takes no responsibility for <br /> damages incurred by negligent use of this product, and may not <br /> warranty a blower on which the P.D.T.O. is not properly <br /> connected. <br /> In all cases, follow the motor controller manufacturer' s <br /> instructions . The following schematic is for conceptual <br /> understanding only, and may not apply to all motor controllers . <br /> Push <br /> Start <br /> Schematic �— <br /> Push <br /> Stop <br /> J <br /> Al <br /> 115V Mo netie <br /> Auxiliary J <br /> A2 <br /> Power <br /> Coil MI <br /> LI 0 j Motor <br /> M2 <br /> L2 0— <br /> M3 <br /> L3O— �-� <br /> Contacts Current <br /> overloads <br /> J - Pilot Duty Thermal overload Protection wires- <br /> L - Power leads from circut breaker box. <br /> M - Motor leads (refer to wiring diagram inside T'box or <br /> on motor nasteplote) . <br /> The above schematic is shown for a three phase motor . For a <br /> single phase motor disregard L3 and M3 . Pushing the START button <br /> completes the auxiliary control circuit, allowing current to flow <br /> through the magnetic coil .. The contacts are magnetically closed, <br /> starting the motor and latching the auxiliary circuit. The motor <br /> will continue to run until the STOP push button is depressed, the <br /> motor reaches the overload temperature , or the current sensing <br /> overloads trip out. <br /> If you have any questions , EG&G Rotron Application Engineers are <br /> available at ( 914 ) 246-3401 for your assistance . 06/29/92 <br /> REV.A <br />