NSi Industries PC20A User Manual

Tork occupancy sensors, Passive infrared occupancy sensors ceiling mount, Occup ancy sensors

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OCCUP

ANCY

SENSORS

TORK OCCUPANCY SENSORS

TORK

1 Grove St., Mt. Vernon, NY 10550 • Tel: 914-664-3542 • Fax: 914-664-5052 • Internet: http://www.tork.com

PASSIVE INFRARED
OCCUPANCY SENSORS

CEILING MOUNT

Three Versions for Open Areas,
Hallways, or W ide Area Coverage

APPLICATIONS

Controls:
• Fluorescent and Incandescent Lighting Systems
• HVAC Electrical Equipment
• Ventilating and Exhaust Fans
• Self-Contained Air Conditioning Units
For use in:
• Offices

• Motels

• Lavatories

• Conference Rooms

• Classrooms

• Hallways

FEATURES

Adjustable timer for delayed turn-off in 30 seconds to 15
minutes after no movement or presence is detected.
Manual override ON by inserting key in slot of unit (for
emergency use).
Powerpack (to be ordered separately)

is

capable of

operating up to four PC10A/PC10H/PC20A sensors.

SPECIFICA

TIONS

SENSOR MODEL #PC10A/PC10H/PC20A
Input Voltage:
24VDC (supplied by TRP). Input voltage
for TRP to be specified. 16 MA nominal.
View Angle: (Model PC10A/PC20A) 360°
Detection Range: (Model PC10H) 80’
Wiring: Class 2, #22 AWG (between sensor and powerpack)
Temperature Range: 0° to 150°F (–18°

to 66°C)

Size: 4-3/4” length x 2-13/16” width x 1-1/8” depth.
Weight: 3 oz.
Color: White
Mounting: Ceiling
For area coverage diagrams, see pages 72-73

MODEL #TRP POWERPACKS - MUST BE USED IN
CONJUNCTION WITH SENSOR

FOR CONTACT RATINGS, SEE PAGE 68

SPECIFICA

TION WRITER’S GUIDE

Furnish and install where indicated a passive infrared occupancy sensor
capable of (Model PC10A) covering an area of up to 1000 square feet or .

. .

(Model PC10H) for aisles, corridors, hallways with a detection range of 80
feet long x 16 feet wide . . . or (Model PC20A) covering an area of up of
2000 sq. ft. Sensor shall be equipped with a separate adjustment for
delayed time off of 30 seconds to 15 minutes. Sensor shall be designed for
mounting onto a ceiling.

Sensor is to be supplied with a transformer relay power pack which can be
installed remote from sensor using low voltage wire. (Powerpack can be
installed close to load in order to minimize line voltage wiring). The remote
powerpack shall be capable of installation in a single or multiple gang box.
One remote powerpack shall be capable of operating a maximum of four
sensors. Sensor and transformer relay powerpack shall be TORK Models
PC10A/PC10H/PC20A and TRP respectively.

MODEL

DESCRIPTION

INPUT VOLTAGE

PC10A

Sensor only

24 VDC supplied

from powerpack

PC10H

Sensor only – for hallways

24 VDC supplied

from powerpack

PC20A

Sensor only – for wide

24 VDC supplied

area coverage

from powerpack

TRP1

Powerpack

120 VAC

TRP2

Powerpack

277 VAC

TRP5

Powerpack

230 VAC

ORDERING INFORMATION

BALLAST
LIGHT FIXTURE #1

BALLAST
LIGHT FIXTURE #2

BALLAST
LIGHT FIXTURE #3

120 VAC OR 277 VAC

NEUTRAL

WHITE

RED

BLACK

(LINE)

HOT

BLACK

RED

BLUE

POWER PACK
MODEL TRP1 120 VAC
20 AMP 2400 WATTS

EXISTING SWITCH CAN REMAIN
IN RETROFIT INSTALLATIONS.
IT IS NOT REQUIRED IN NEW
CONSTRUCTION UNLESS MANUAL
OFF IS DESIRED IN WHICH CASE
SIMPLY RUN 22AWG WIRE FROM
TRP AND BREAK THE BLUE WIRE.

POWER PACK
MODEL TRP2 277 VAC
20 AMP 4800 WATTS

POWER PACK
MOUNT IN APPROVED
JUNCTION BOX OR
BALLAST HOUSING OF
FIRST LIGHT FIXTURE

LOAD
RED

LOW VOLTAGE CABLE
3 CONDUCTOR 22 GA.
CLASS 2 WIRING

Power Pack 277V
Model TRP2
or Power Pack 120V
Model TRP1

New Cover With
1/2 K.O. Provision

New
Extension
Box

Existing
Junction
Box

Bend Tabs After
Inserting in K.O.
Hole

New Extension Box
Only Used When
Low Voltage Wiring
Has to be Enclosed

SPECIAL NOTES: One Power Pack can operate 4 PC10/PC10H
Units and all low voltage wires are connected in parallel. Some
existing lighting systems are wired directly from Breaker Control
Cabinet and therefore have no light switches. For this type of
lighting system, it is sometimes more convenient to install Power
Packs close to the Circuit Breaker Control Cabinet. This allows for

OPTIONAL MANUAL
ON OVERRIDE
SWITCH

PC10A/20A SERIES

Standard low voltage installation

with remote power pack
in accessible tile ceiling

SPECIAL NOTES: One Power Pack can operate 4 sensors and all
low voltage wires are connected in parallel. Some existing lighting
systems are wired directly from Breaker Control Cabinet and there-
fore have no light switches. For this type of lighting system, it is
sometimes more convenient to install Power Packs close to the
Circuit Breaker Control Cabinet. This allows for ease of circuit identi-
fication, and also wiring of low voltage cable to sensor units.

TRPS are UL Listed.

Meets California

Energy Commission

Title 24 requirements.

PC10A/20A SERIES

Model TRP1

Model PC10A

LISTED

UL

®

PC10A Covers up to 1000 square feet
PC20A Covers up to 2000 square feet
PC10H Covers up to 40 feet X 16 feet

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