WARNING TOREDUCETHERISKOFFIRE,ELECTRICSHOCK,ORINJURYTOPERSONS, OBSERVETHEFOLLOWING: a. Use this unit only in the manner intended by the manufacturer, If you have questions, contact the manufacturer. b. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominentwarning device, such as tag, to the service panel. C