Legrand LightSaver® LS-150 Photocell Installation guide

Legrand
Brand
Legrand
Model
LightSaver® LS-150 Photocell
Type
Installation guide

Legrand LightSaver® LS-150 Photocell is a low-voltage device designed to work with LCO series daylighting control modules to manage interior or exterior lighting based on ambient light levels. It features a range of light sensitivity options, from 2 to 2000 footcandles, allowing customization to specific lighting conditions. The photocell sends data to Watt Stopper LCO series controllers to adjust lighting levels accordingly, helping optimize energy efficiency.

Legrand LightSaver® LS-150 Photocell is a low-voltage device designed to work with LCO series daylighting control modules to manage interior or exterior lighting based on ambient light levels. It features a range of light sensitivity options, from 2 to 2000 footcandles, allowing customization to specific lighting conditions. The photocell sends data to Watt Stopper LCO series controllers to adjust lighting levels accordingly, helping optimize energy efficiency.

All information in this drawing is the property of The Watt Stopper Inc. and
cannot be copied or used without the written approval of The Watt Stopper Inc.
Installation Instructions
Technical Support:
1(800)879-8585 1(972)578-1699 xxxxxr1 8/00
Mounting
Bracket
Wiring
LS-150 Series
Interior/Exterior Photocells
Drawn by: HUCKABONE
PLM:
Project Engr:
MarComm Dir:
Sheet: 1 of 1 Scale: 1 : 1
the Watt Stopper Inc.
SANTA CLARA, CALIFORNIA
Title:
LS-150 Photocell series Installation Instructions
Drawing #: Original Drwg. Date: 15 AUG 00 Rev #:
xxxxx Rev. Date: 15 AUG 00 d2
REV. DESCRIPTION INT: REV. DATE APPROVED
1 ECO#xxxxxxxx
Model#s
LS-156. . . . . . . . . . . . . 2 fc to 20 footcandles
LS-157. . . . . . . . . . . 20 fc to 200 footcandles
LS-158 . . . . . . . . . 200 fc to 2000 footcandles
Specifications
Supply Voltage. . . . . . . . . . . . . 24VDC ±10%
Output Signal . . . . . . . . . . . . . . . . . . 0–20mA
Linearity. . . . . . . . . . . . . . . . . . . . . . . . . ±5%
Power Consumption . . . . . . . . . . . . . . . 1.5W
Temperature Range . . . . . . . . . -40º to 120º F
Description
The LS-150s are low voltage photocells used in
conjunction with an LCO series daylighting control
module for controlling interior or exterior lighting.
The LS-150 series photocell senses light levels and
signals this data to Watt Stopper LCO series controllers.
Mounting
The LS-150 series photocell is suitable for mounting
inside or outside. It should be mounted so that it is
viewing the daylight that is entering the controlled
space. If a skylight is the primary source of light, then
it should face the skylight opening.
The LS-150 series is supplied with a plastic enclosure
with two knockouts.
Wiring
Use 18AWG 3 conductor cable to connect the photo-
cell to the LCO controller. Use Belden 9493 or equal.
The maximum wire length from the control module is
250 feet.
Note: Low voltage wiring must be isolated from the
line voltage wiring.
Connect wires
from circuit board
as shown
Open unit
Connect wires
from LCO Controller
as shown
Use 18AWG
3 conductor
cable
+
-
LCO
Controller
(typical)
1A 2A 3A 4A
1B 2B 3B 4B
Circuit
board
  • Page 1 1

Legrand LightSaver® LS-150 Photocell Installation guide

Legrand
Brand
Legrand
Model
LightSaver® LS-150 Photocell
Type
Installation guide

Legrand LightSaver® LS-150 Photocell is a low-voltage device designed to work with LCO series daylighting control modules to manage interior or exterior lighting based on ambient light levels. It features a range of light sensitivity options, from 2 to 2000 footcandles, allowing customization to specific lighting conditions. The photocell sends data to Watt Stopper LCO series controllers to adjust lighting levels accordingly, helping optimize energy efficiency.

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