Recalls and Service Alerts

Furnaces - Air Conditioners - Heat Pumps

iComfort® Max Defrost Operations

Type: Service Alert
Equipment: Heat Pump
Recall or Alert Date: 12-11-2014
Serial Number: C-14-04
Brands Affected: Lennox

Description of Problem:

Lennox has developed an improved defrost control algorithm for use on our XP17 and XP21 Heat Pumps Models to address applications where the outdoor fan assembly is subjected to ice bridging. The Intellifrost* Defrost Control has been designed to alleviate the icing issues associated with these units for applications primarily in Northern markets. The upgraded defrost
controls were implemented into production beginning with October 2013 serial number units

Affected Products:

XP17 and XP21 with iComfort® Outdoor Control 103369-03 or -04