INSTALLATION, OPERATIONS & MAINTENANCE MANUAL
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www.acorneng.com
for most current specifications.
SENSOR OPERATION & CONNECTIONS
ACORN ENGINEERING FIELD SERVICE
TOLL FREE
800-743-8259 •
LOCAL
626-855-4866 •
FAX
626-855-4863
MERIDIAN 3802
-SO Sensor Operation Range Adjustment
NOTE: SENSOR IS FACTORY SET. IF ADJUSTMENT IS
DESIRED SEE BELOW:
1. Make sure power supply is disconnected from
sensor and make short circuit on red wires.
See DETAIL A.
2. Connect power supply to sensor. Red light should
be flashing.
3. Move hand in front of sensor to distance of 2” to 4”
within 5 seconds and wait until red light flashes
quickly.
4. Move hand to desired sensing distance.
See DETAIL B.
5. Hold hand at desired sensing distance until red light
stops flashing and solenoid activates.
See DETAIL C.
DETAIL A
DETAIL B
DETAIL C
Transformer must
be plugged into a
GFI protected
circuit. Fixture must
be earth grounded
per N.E.C. or
applicable codes.
Jumper
By Others
-SO Sensor Operation
-SO-BAT Sensor Operation
(Battery Operated)
Red Power
Plug-in
White Valve
Plug-ins
Date: 01/10/17
Page 10 of 22
Part #: 6216-011-000