Least sensitive most sensitive, Adjustment of coverage area – Heath Zenith Motion Sensing Porch Light PF-4300-BK User Manual

Page 6

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Least Sensitive

Most Sensitive

The sensor is less sensitive to motion directly
towards it and more sensitive to motion across
coverage area.

Sensor

Motion

Motion

aDJustment oF coverage

area

The sensor on this light fixture detects “motion”
by the movement of heat (body heat) across the
coverage area. However, following are examples
of objects that also produce heat and can cause
the sensor to false trigger:
• Pools of Water

• Air Conditioners

• Dryer Vents

• Fenced-In Animals

• Heating Vents

• Automobile Traffic

If you suspect that a heat source of this type is falsely
triggering the sensor and reducing the sensitivity
does not solve the problem, then a lens shield
(included) can be installed. The plastic lens shield
is divided into 6 sections. Each section will reduce the
coverage angle by 30 degrees. Also, the tip of each
section may be removed to change the effective
range of the sensor.

1. Break off the amount of lens shield needed to

block the desired area of coverage.

2. Cut desired amount of foam tape needed to

adhere the lens shield to the sensor lens.

3. Remove paper backing from one side of cut

foam tape and adhere foam tape to inside of
lens shield.

4. Remove paper backing from other side of cut foam

tape and adhere lens shield to sensor lens.

5. Retest to confirm that the sensor is no longer

false triggering.

Note: To help determine amount of lens shield
required, apply small sections one at a time. Ad-
ditional sections can be applied if necessary.

Lens Shield

Sensor
Lens

Area
Blocked

Area
Blocked

Lens
Shield

Lens
Shield

Portion
Removed

Effective
Coverage Area
(Top View)

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