Completed annual maintenance on a 2021 Bryant air conditioner. All electrical, mechanical and safety components of the system check out at this time. During testing of the unit the technician found no electrical protection device for the unit. Technician presented options hb7a-e. Customer chose option a. Technician completed repair and cycled unit successfully. Technician left air filter for customer as current filter had recently been changed. No issues at time of departure.