Honeywell - L7224

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Contents

Honeywell 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 Adjusting Settings To discourage unauthorized changing of Aquastat settings a procedure to enter the adjustment mode is required To enter the adjustment mode press the UP DOWN and I buttons simultaneously for three seconds Press the I button until the feature requiring adjustment is displayed HL High Limit LL Low Limit Ldf Low Limit differential ...