©2022 Lennox Industries Inc. Dallas, Texas, USA USER GUIDE Lennox Mini-Split Systems Wireless Indoor Unit Controller (22U49) CONTROLS 508184-01 8/2022 22U49 Mini-Split Systems Wireless Indoor Unit Controller IMPORTANT! Frequent changes to operating mode may cause system malfunction. Allow at least one minute between mode changes to allow the system to stabilize. This manual must be …
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