Wattstopper CI-355 User manual

CI-355

360° Passive Infrared • Line Voltage

Occupancy Sensor

with Light Level feature

SPECIFICATIONS

Voltages ............................................. 120//230/277/347VAC, 50/60Hz

Load Ratings

@120VAC.........................................0-800W Ballast/Tungsten/LED

@230VAC (Single Phase)...............................0-1200W Ballast/LED

@277VAC ...................................................... 0-1200W Ballast/LED

@347VAC ...................................................... 0-1500W Ballast/LED

Operating Temperature................................ 32° to 131°F (0° to 55°C)

Light Level One-Step Adjustment....................................10FC–300FC

Time Delay Adjustment............................... 30 seconds to 30 minutes

Walk-Through Mode ..............3 minutes if no activity after 30 sec.

Test Mode.......................................... 5 sec. upon DIP switch reset

PIR Coverage

Model CI-355............................................................... up to 1200ft2

Model CI-355-1 ............................................................. up to 500ft2

Sensitivity Adjustment............................ High or Low (DIP switch)

Santa Clara, CA 95050

Installation Instructions

Call 800.879.8585 for Technical Support

UNIT DESCRIPTION

The WattStopper CI-355 360° passive infrared (PIR) occupancy sensors turn

lighting systems on and off based on occupancy and ambient light levels. The

light level feature can be used to keep lights from turning on if the ambient light

level is sufﬁcient.

The sensors can be conﬁgured to turn lighting on, and hold it on as long as the

sensor detects occupancy. After no movement is detected for a user speciﬁed

time (30 seconds to 30 minutes) the lights are switched off. A “walk-through”

mode can turn lights off after only 3 minutes, if no activity is detected after 30

seconds of an occupancy detection.

The CI-355 operates on 120VAC, 230VAC (1Ø), 277VAC, or 347VAC.

COVERAGE PATTERN

The CI-355 provides a 360° coverage pattern. Two lens patterns are available. The

CI-355 provides up to 1200 square feet of coverage and the CI-355-1 provides up

to 500 square feet of coverage. The coverage shown represents walking motion

at a mounting height of 8 feet. For building spaces with lower levels of activity or

with obstacles and barriers, coverage size may decrease.

Drawings not to scale

Side View Top View @ 8ft

24 ft

7.3m

44 ft

13.4m

CI-355 Coverage Pattern

(standard lens)

CI-355-1 Coverage Pattern

(high density, reduced range lens)

Visit our website for FAQs: www.wattstopper.com

PLACEMENT GUIDELINES

Depending upon obstacles such as furniture or partitions, the area of coverage

may be less or more than the sensing distances shown in the coverage pattern.

This must be considered when planning the number of sensors and their

placement. It is also recommended to place the sensor 4 to 6 feet away from air

supply ducts as rapid air currents or the differences in temperatures may cause

false activations.

Mount the sensor to the ceiling. The CI-355 is designed for a ceiling height of

about 8-12 feet. Mounting above or below this range will signiﬁcantly affect the

coverage patterns. Be aware that as you decrease the mounting height, you

decrease the range and increase the sensitivity to smaller motions. Conversely,

when you increase the height, you increase the range and decrease the sensitivity

to smaller motions. At heights of more than

12-14 feet, you may start to signiﬁcantly

reduce sensitivity. As a general rule, each

occupant should be able to clearly view the

sensor.

Often the best location to install a CI-355 in

a closed ofﬁce is off-center. Avoid placing

a sensor directly in line with an open door

through which it has a clear view out, as the

sensor may detect people walking by.

Masking the PIR Lens: Opaque adhesive tape is supplied so that sections of

the PIR lens can be masked. This restricts the sensor’s view and allows you to

eliminate PIR coverage in unwanted areas such as hallways outside of the desired

coverage area. Since masking removes bands of coverage, remember to take this

into account when troubleshooting coverage problems.

Optimizing Coverage: To get complete

coverage in an open ofﬁce area, install

multiple sensors so that there is an

overlap with each adjacent sensor’s

coverage area.

For open ofﬁce areas with partitions it is

best to place sensors over intersection of

four workstations.

For large areas of coverage use multiple

sensors.

CI-205

36'

CI-205

12'

18'

Call 800.879.8585 for Technical Support

WIRING DIRECTIONS

CAUTION

TURN POWER OFF AT THE CIRCUIT BREAKER

BEFORE INSTALLING SENSORS.

Single Sensor, Single Load

WARNING: This application does not allow for Load to increase.

Load

Switch Load Hot

Neutral

Ground

(Optional)

Hot

Neutral

Load

Line

Neutral

Line

Ground

(Optional)

Ground

(Optional)

Strip Gauge

#12 to #16 AWG

Cu Wire Only

Multiple Sensors Connected in Parallel

MOUNTING THE SENSOR

Using a 4-Inch Square Junction

Box with Double-Gang Mudring

1. Pull the high voltage wires into

the J-Box through the conduit

knockout.

2. Connect the high voltage wires to

the appropriate terminals on the

sensor.

3. Align the sensor in the J-Box

so that the mudring mounting

screw tabs on the box match the

mudring mounting holes on the

sensor’s rear housing.

4. Use two machine screws

(included with the sensor) to

attach the sensor to the mounting tabs on the J-Box.

5. Snap the front cover onto the sensor.

Using an Octagonal Junction Box

1. Pull the high voltage wires into

the J-Box through the conduit

knockout.

2. Connect the high voltage wires to

the appropriate terminals on the

sensor.

3. Align the sensor in the J-Box so

that the mounting screw tabs on

the box match the key holes on the

sensor’s rear housing.

4. Use two machine screws (included

with the J-Box) to attach the

sensor to the mounting tabs on the

J-Box.

5. Snap the front cover onto the sensor.

4" Octagonal, 2.25" Deep*

Junction Box

Ceiling

Sensor

Screws

Front

Cover

4" Square, 2.25" Deep*

Junction Box with

Double Gang

Mudring attached

Drop Ceiling

Front

Cover

CA-1 Adapter

Rear Housing

Screws

Sensor Flange

* The Junction Box must be at

least 2.25” deep. If it is not, an

extension ring is required.

Visit our website for FAQs: www.wattstopper.com

Mounting to a 4” Square Junction Box with

Mudring

Mounting to an Octagonal Junction Box

Call 800.879.8585 for Technical Support

SENSOR ADJUSTMENT

This unit is pre-set for basic operation as described

in this guide. Adjustment is optional.

The sensors are factory preset to allow for quick installation in most applications.

Veriﬁcation of proper wiring or coverage, or customizing the sensor’s settings can

be done using the following procedures. To make adjustments, open the Front

Cover by pulling on the cover tab.

There is a 30 second warm-up period when power is ﬁrst applied.

Before making adjustments,

make sure the ofﬁce furniture

is installed, lighting circuits

are turned on, and the HVAC

systems are in the overridden/

on position. VAV systems

should be set to their highest

airﬂow. Set the DIP switches to

the desired settings. See “DIP

Switch Setting”, next page.

To Test Occupancy

Sensors

1. Ensure the Time Delay is

set for Test Mode* using the “Test Mode/20 minutes” setting. (DIP switches

1,2, & 3 are OFF).

2. Ensure that the Light Level is at default (maximum). See the Light Level

Feature section of this document for instructions.

3. Remain still. The red LED should not ﬂash. The lights should turn off after 5

seconds. (If not, see “Troubleshooting.”)

4. Move about the coverage area. The lights should come on.

When testing and adjustment is complete, reset DIP switches and Light Level to

the desired settings, and replace the cover on the sensor.

* Test Mode is a temporary state that starts when you ﬁrst set the sensor’s DIP

switches for the “Test Mode/20 minutes” (switches 1, 2, 3 OFF). If you need to

invoke the Test Mode and the DIP switches are already set for Test Mode/20

minutes, toggle DIP switch 1 ON then back to the OFF position. This provides a

10 minute test period. During the test period, the Time Delay is only 5 seconds.

Keyhole slots

(for mounting to

4" octagonal box)

Double gang

mudring

mounting holes

Light level

pushbutton

DIP

switches

PIR lens

1234567

ECE

PIR Activity

LED (Red)

LIGHT LEVEL FEATURE

The Light Level feature holds lights off upon initial occupancy if adequate ambient

light exists. It will not turn the lights off if they are on. The default setting is for

maximum, meaning that even the brightest ambient light will not hold the lights

off.

Notes on Functionality

• Avoid mounting the sensor close to lighting ﬁxtures

• Adjust during daylight hours when ambient light in the area is at desired level.

• Light Level cannot be enabled while Test Mode is active. Either

wait for Test Mode to expire or select any of the other Time

Delay settings before enabling the Light Level feature.

• The red LED will ﬂash periodically to indicate

the sensor has Light Level enabled.

• Light Level settings are only saved in the event of a power loss. Disabling

Light Level and then reenabling it will not return it to previous settings.

• If Test Mode is enabled after Light Level has been set, Light Level

functionality will cease to function throughout the duration of Test

Mode. When Test Mode period expires, the Light Level functionality

will resume, even if the Dip Switches remain set to Test Mode.

Setting Light Level

1. Make sure Test Mode is not active.

2. Toggle the state of the sensor, by brieﬂy pressing the Light Level button, to

include or exclude the lighting load from the light level calibration. Open the

Front Cover and locate the LIght Level pusbbutton. See Sensor Adjustment.

3. Press and hold the Light Level button between 2s and 5s. The red LED will

be ON showing 2s is reached and then be OFF showing 5s has passed*. The

sensor enters setup mode, as indicated by the rapidly ﬂashing LED. The

LED will ﬂash throughout the setup process. Occupancy indications from

the LED is disabled during setup.

4. Move away from the sensor to avoid interference with light level detection.

The sensor measures the light level for a 10 second period, then averages

the readings and automatically sets the level that will be used as the new

setting. The sensor will hold lights off when the ambient light exceeds this

setting.

Visit our website for FAQs: www.wattstopper.com

Call 800.879.8585 for Technical Support

5. When the LED stops ﬂashing, replace the Front Cover.

*Disabling Light Level

Pressing the pushbutton for 5 seconds or more resets the light to default (maxi-

mum).

Press and hold the Light Level button over 5s, the LED will be ON and then OFF

showing 5s mark has passed. The LED ﬂashes rapidly for 10 seconds after the set-

ting has changed.

DIP SWITCH SETTING

The CI-355 has 6 DIP switches under the cover.

Time Delay: Switches 1, 2, 3

The sensor will hold the lights ON as long as

occupancy is detected. The time delay countdown

starts when no motion is detected. After no motion is

detected for the length of the time delay, the sensor

will turn the lights OFF.

Walk Through: Switch 4

Walk-through mode turns the lights OFF three

minutes after the area is initially occupied, if no

motion is detected after the ﬁrst 30 seconds. If

motion continues beyond the ﬁrst 30 seconds, the

selected time delay applies.

Sensitivity: Switch 5

• Minimumforcesareduceddetectionrangeforthe

PIR.

• Maximumforcesthe sensitivity to the maximum

coverage area. This setting is constantly updated.

Service: Switch 6

To override all sensor functions, set DIP switch 6 to

the ON position. The red LED will come on and stay

on for the duration of the override.

This bypasses the light level and occupancy detection control functions of the

sensor.

www.wattstopper.com

Switch#

5 minutes

10 minutes

15 minutes

20 minutes

25 minutes

30 minutes

30 seconds

123

Time Delay



Test Mode/20 min

Minimum

PIR Sensitivity

Maximum 



Normal

Service

= ON

= OFF

= Factory Setting



Disabled

Enabled

Walk-Through

Feature

TROUBLESHOOTING

For any unexpected operation

1. Check DIP switch settings.

2. Make sure the switches are set according to the deﬁned settings in the

DIP Switch Setting chart.

Lights do not turn ON with occupancy, and the following condition exists:

Red LED does not ﬂash:

1. When power is initially applied to the sensor, there is a warm-up period

of up to 30 seconds before the red LED is active.

2. Check that the circuit breaker has been turned back on.

3. Check all sensor wire connections.

4. Make sure that PIR Sensitivity is set to 100% (DIP switch #5 set to OFF).

5. If it still does not ﬂash, call 800.879.8585 for Technical Support.

LED ﬂashes:

1. Check all sensor wire connections.

Lights do not turn OFF automatically:

1. The sensor technology (PIR) may be experiencing activations from

outside the controlled area or from some type of interference (see

“Unwanted Sensor Activations” below).

2. Check all sensor wire connections.

• Turn sensitivity and time delay to minimum and allow the sensor to

time out.

• If the lights turn off, the sensor is working properly (see number 1,

above, and “Sensor Adjustment” for readustment of sensor).

CAUTION

TURN POWER OFF AT THE CIRCUIT BREAKER

BEFORE WORKING WITH OR NEAR HIGH VOLTAGE.

Call 800.879.8585 for Technical Support

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