There shall be a Personnel Appeals Board of three members, appointed annually by the Council, to serve for the purpose of this Article. Each member of the Personnel Appeals Board shall be a qualified elector, known to be in sympathy with the merit principle as applied to the civil service, shall neither hold nor be a candidate for any other public office or employment and shall not be a member of any local, State or national committee of a political party or an officer in any partisan political club or organization.