Sequence:
Supply Fan Proving is active when the Supply Fan is commanded ON. The supply fan speed must be greater than 30 rpm for 40 continuous seconds. If the supply fan speed falls below 30 rpm, a supply fan failure diagnostic is generated, and the operation is stopped.
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.