AA1TSS LED CONTROLLER
M.A-2016.AA1TSS LED
9-14-15 REV 9-13-16
1.0
GENERAL INFORMATION
The TWR Lighting
®
, Inc. (TWR
®
) Model AA1TSS LED Controller is for A1 lighting of
towers 151’ to 350’ AGL (above ground level) in accordance with the Federal Aviation
Advisory Circular 70/7460-1K. One (1) LED beacon should be placed at the top of the
structure. Three (3) LED obstruction lights should be placed at the mid-level with
respect to overall tower height.
The flash rate of the LED beacon is 30 per minute. The LED sidelights burn steady.
A by-pass switch (SW1) allows the controller to be turned on during daylight hours
without covering the photocell. This is particularly helpful since the controller can be
mounted indoors while the photocell is outdoors. SW1 can be operated by turning the
switch to “ON.”
The photocell is the three (3) blades, twist to lock, type.
Power supplied to the controller shall be 120V AC 50/60 Hz.
The controller housing is rated at NEMA 4X. It is suitable for indoor or outdoor
mounting.
1
