How safe is the spring selection based only on the weight data of a fan?
The test case fan is equipped with 3HS20 InfiniSpring®-springs and a 2.2 kW electric motor, which is controlled via variable-frequency drive. The motor nominal speed is 1440 rpm. The fan is used in air handling units and typically equipped with rubber elements. This article focuses on validating InfiniSpring®-spring selection based on the fan weight data.READ MORE