L7224 Series Oil Electronic Aquastat® Controller (2012 Compliant) The following service procedur e provides a quick overview for L7224 Series Controllers. For more information, refer to forms 69-1720 L7224U Installation Instructions, 66-1202 Wireless Outdoor Reset Installation Instructions, 69-2335. The L7224A,C and L7248A,C,L control the circulator, oil burner and boiler temperature. The L7224/L7248 is "Outdoor Temperature Reset" ready which is enabled when connected to the W8735S1000 Outdoor Reset Kit. Outdoor Reset with the L7224/L7248 is intended for all applications except for tankless coil systems for domestic hot water.
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Page 1 L7224 Series Oil Electronic Aquastat® Controller TECHNICIAN'S QUICK REFERENCE GUIDE The following service procedure provides a quick overview for L7224 Series Controllers. For more information, refer to form 69-1384. On the L7224U the High Limit, High Limit Differential, Low Limit, and Low Limit Differential can be adjusted to the settings recommended by the boiler OEM.. The L7224/L7248 is "Outdoor Temperature Reset" ready which is enabled when connected to the W8735S1000 Outdoor Reset Kit. Outdoor Reset with the L7224/L7248 is intended for all applications except for tankless coil systems for domestic hot water. Compliance to 2012 DOE regulation ensures efficiency is maximized without
