UNITEC AT400 Door Operator Survey Form


    Check one here and one at right.
    UNITEC quotes AT400 operator upgrade packages for these Otis operators. Pre-Engineering done on most. AT400 can be applied to many non-Otis operators also.

    For HPLIM and i-Motion II, there is no upgrade to the AT400 unless a controller Mod is done. (* Some exceptions may apply for 6970 and OVL operators.)




    Ask about our package pricing Mini-Mod discounts.


    NOTE: Installation instructions provide specific wiring guidance for the most popular Otis controllers used with the following door operators: 7300, 7777, 7770A, QL, Black Belt, i-MOTION I.