STEINEL TR 150 - Manuel (Page 7)

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12
Operation
Manual ON
To select manual ON
operation, adjust the
mode switch to the left.
In manual ON mode,
occupants operate a
low voltage momentary
switch to turn lights ON.
When the occupancy
sensor is the only input
keeping the load ON,
the load turns OFF after
the sensor’s time delay
elapses. If the sensor
detects occupancy and
re-triggers within 30
seconds after the load
turns OFF, the load will
turn ON again. Isolated relay
The TR 150 contains
a single-pole, double-
throw isolated relay with
normally open (yellow
with red stripe), normally
closed (yellow with black
stripe), and common
(yellow) outputs rated 1
Amp @ 30 VAC/VDC. The
isolated relay is used with
HVAC controls and other
low voltage devices.
13
Operation
LED Indicator
The power pack led
indicator follows the state
of the relay under normal
operating conditions.
When the LED is off the
relay is open and the load
is off. When the LED is
illuminated the relay is
closed and the load is on.
If the 24VDC is in
overload (greater than
250mA) the LED indicator
will slowly flash, the load
will turn off but 24VDC
will continue to be
available. If there is a short in the
24VDC wiring the LED will
turn off, the load will be
turned off and the 24VDC
will be shut down. After
the short is removed the
24VDC will return after
3 seconds.
If there is an over
temperature in the power
pack (100°C) the LED
will flash rapidly, the load
will be turned off but
24VDC will continue to
be available. The power
pack returns to normal
operation when the
temperature falls below
65°C.