0 10vdc Ecm Motor Wiring Diagram - Dcc/dch series light commercial packaged heating and cooling unit 3 to 6 ton (64 pages). View and Download AAON RQ SERIES installation operation & maintenance online. Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units. RQ SERIES Air Conditioner pdf manual download. Also for: Rq series.. Oil on the top of the motor, right behind the rear cylinder, under the starter. Likely to be the starter motor gasket (PN 31488-81) that is weeping primary fluid..