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WATTSTOPPER RECOMMENDS ADDING A
20KA SURGE SUPPRESSOR TO PROTECT
THE FIXTURE, DRIVER AND FSP SENSOR.
There are three configurations of the sensor:
• The FSP-201B mounts inside the fixture.
• The FSP-201B-S mounts to a fixture or an enclosure with a 1/2"
knockout.
• The FSP-201B-D mounts to a pole or fixture.
Mounting Inside the Fixture
1. Determine an appropriate mounting location inside the light fixture
minimizing the electric light contribution to the sensor's photocell.
Allow a minimum distance of 0.2" (5.1mm) from the wiring end of the
sensor to the wall of the fixture.
2. Drill a hole 1.30" (33.0mm) in diameter through the sheet metal in the
bottom of the fixture.
3. Add the rubber gasket to the threaded collar, and install the sensor
face down, parallel to the mounting surface. Ensure the rubber gasket
touches the inside surface of the fixture. Install the tightening nut
securely against the fixture to a torque of 25–30 in-lbs to ensure IP
rating is maintained.
NOTE: An optional collar can be installed in place of the tightening nut on the FSP-201B. This collar is included with the
FSP-201B-S and FSP201B-D, as shown below.
Mounting to a Fixture/Enclosure–Straight Nipple
1. Determine an appropriate mounting location minimizing the electric light contribution
to the sensor's photocell.
2. If there is no knockout, drill a hole 0.875" (22mm) in diameter through the sheet
metal in the fixture or enclosure.
3. Add the rubber gasket to the nipple, and install the sensor face down. Ensure the
rubber gasket touches the surface of the fixture. Install the nipple nut securely
against the fixture to a torque of 25–30 in-lbs to ensure IP rating is maintained.
Mounting to a Pole or Fixture–Drop Nipple
1. Determine an appropriate mounting location on the pole.
2. Drill a hole 0.875" (22mm) in diameter through the pole.
3. Add the rubber gasket to the nipple, and install the sensor face down. Ensure the
rubber gasket touches the surface of the fixture. If needed, add the nut between
the sensor body and the rubber gasket to ensure a secure fit. Install the nipple
nut securely against the fixture to a torque of 25–30 in-lbs to ensure IP rating is
maintained.
Completing the Installation
1. Align the locking features between the sensor and lens module and push the lens
module forward until the o-ring seals firmly. Turn the lens module clockwise to
ensure it locks in place.
2. Connect wires as shown in wiring diagram.
3. Restore power from the circuit breaker.
NOTE: The IP66 rating for this unit is based on proper installation as indicated above.
However, as Fixture housings may vary in thickness, material, and hole
dimensions to accommodate this unit, all precautions to maintain IP66 should be
considered with the combination and installation of the unit to the Fixture Housing.
This includes installation to an IP66 rated Fixture Housing and use of suitable
outdoor rated silicone seals or accessories.
CAUTION
INSTALLATION
TURN THE POWER OFF AT THE CIRCUIT BREAKER
1
Inside Fixture
Wall
Tightening Nut
(or Optional Collar)
NOTE: The Outside Fixture Wall thickness should be
2
WARNING
BEFORE INSTALLING THE SENSOR.
Mounting Within Fixture
2
Rubber
Gasket
Outside
Tightening Nut
Fixture Wall
(or Optional Collar)
no greater than 0.125" (3.18mm) for optimal
sensor mounting and security.
Straight Nipple Mount
Drop Nipple Mount
Drop Nipple Mount
Rubber
Fixture
Gasket
Wall
Lens Assembly
Nipple
Rubber
Nipple
Gaskets
Nut
Nipple
Rubber
Nipple
Gaskets
Nut
Nut
Nipple
Nipple
Rubber
Nut
Gaskets
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