Lennox 603364-39, Cooling Stage-Up Timer Relay
Cat # : 24G40
Model/Part # : 603364-39
Product Overview
Cooling Stage-Up Timer Relay for KGC/KCC/KHC/ZG/ZC/ZH092-150 and ELXA/ELXC Units
This kit is designed for retrofit applications where a three-stage cooling unit is replacing a two-stage cooling unit and building thermostat wiring does not have additional wire for the 3rd cooling stage. This kit allows the unit to run in the rated 3 cooling stages. The kit uses a timer delay relay activated from the 2nd stage cooling demand (Y2) to initiate a 3rd cooling stage demand (Y3) after a user selectable time delay.
- Allows the unit to attain an additional stage of cooling without the need for extra thermostat connections
- Adjustable - 1 to 1023 seconds
- Mounts internal to unit