Installation Guide

SWITCH POSITIONS
* Terminals may be labeled differently
or may not appear on the device.
Please consult the monitored device
installation instructions
98
❸ Connect one Dry Contact Sensor wire to the Normally
Opened wire or terminal on the float switch
❹ Connect the remaining Dry Contact Sensor wire to
the C terminal on the HVAC control board.
❺ The switches on the front of the Dry Contact Sensor
should be set to NO (white) and 24V (orange).
❻ Remove the battery tab from the Dry Contact Sensor.
❼ Using the screws, double-sided adhesive tape, or cable
tie provided, install the mounting bracket to a wall or
pipe near the desired monitoring area, and then
mount the Dry Contact Sensor.
❽ Turn on power to the HVAC unit. If the LEDs are
blinking in a pattern, that means the switches are
configured incorrectly. Please double check the wiring
and switch positions before testing the unit.
❾ Test the operation of the Dry Contact Sensor by
tripping the float sensor and holding it in that position
for approximately two seconds. Make sure the Alert
LED on the Dry Contact Sensor turns on for 3 seconds.
If the sensor remains in the alert state, it will continue
to blink for 5 minutes
Monitoring Normally Open or Closed
Dry Circuit (with no power running)
❶ Connect the wires to the dry circuit you want
to monitor.
❷ The switches on the front of the Dry Contact Sensor
should be set to NC (black) and
(purple) or NO
(white) and
(purple).
❸ Remove the battery tab from the Dry Contact Sensor
❹ Using the screws, double-sided adhesive tape, or cable
tie provided, install the mounting bracket to a wall or
pipe near the desired monitoring area, and then
mount the Dry Contact Sensor.
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