35
BTU VENTILATION CORPORATION ● OFFICE 888-884-8070 ● FAX 218-346-7485 ●
www.btucorp.com
XT-70 Control Panel 35
Green
Yellow
Blue
Red
Indicates the door is active, partially open or between retract and extend limit switches.
Indicates that the door is fully open.
Indicates that the door is fully closed.
Indicates that there is no door affiliated with the door number.
Indicates a door failure. A door failure will be indicated as a blown fuse, faulty limit switch, or the
door has timed out (indication of a faulty drive motor). Note: If a door fails for any reason, the sys-
tem will alarm or alert by sending a text message, will skip the failed door and will continue to run
the system as long as the system setpoints can be achieved.
Grey
FRESH AIR DOOR DEFROST: Defrosts the doors using return air. To disable the door defrost, set each of the
parameters to zero. For the above example, if the outside air is less than 15°, initiate a defrost cycle for 15 min-
utes every six hours. For a defrost cycle, the fresh air doors will go full closed and the return air will circulate and
defrost the doors. After the defrost cycle, the doors will operate as normal.
To Next Page
Loading...