Description
The Trane RLY03874 Time Delay Relay is an electrical component used to delay or sequence electrical signals, which assist in timing components of the HVAC systems, compressors, fans, or pumps to start and run. It maintains or postpones contact closure over a period of time to avoid early action on downstream equipment. It is installed in the control panel and wired to the control circuit, which reacts to incoming signals from thermostats or safety parts. It can be used to control timed responses, ensuring that they are properly sequenced and the system components are not overloaded.
