Recalls and Service Alerts

Furnaces - Air Conditioners - Heat Pumps

Lennox VRF units Low Demand in Cooling Mode

Type: Service Alert
Equipment: Air ConditionerHeat Pump
Recall or Alert Date: 09-01-2015
Serial Number: VRF-15-02
Brands Affected: Lennox

Description of Problem:

There is new information regarding operation of Lennox VRF units when the cooling demand is very low. Previous information indicated that the even the smallest of cooling demands would engage the external unit and provide full cooling to this one area. For example, based on previous information, a 7,000 BTU/h indoor unit calling for cooling would engage the connected triple-module 30-ton condenser to provide cooling to this unit

Affected Products:

Lennox VRF units. Lennox variable refrigerant flow outdoor units.