DAYLIGHT SENSORS
GRX-CES SERIES
Installation and Setup Instructions
Please Read
Description
the GrX-ces daylight sensors allow for changes to be made to a Lutron
®
Lighting system through a contact
closure, using a GrX-Lc8 controller, based on the amount of daylight available. there are 3 types of indoor
sensors available, and 1 outdoor sensor. outdoor sensors are normally installed on the roof of a building.
MoDeLs AVAiLABLe
Model #
Application
Detectable Light Range
(foot-candles)
Factory Default Range
(foot-candles)
Mounting method
GrX-ceso
outdoor
(roof or wall)
0* to 750
250
1
⁄
2
in (13 mm) conduit
GrX-cesi
indoor (ceiling)
0* to 750
100
Attach with adhesive tape
(incuded)
GrX-cesA
indoor (atrium)
2* to 2500
1000
1
⁄
2
in (13 mm) conduit
GrX-cess
indoor
(skylight)
10* to 7500
2000
1
⁄
2
in (13 mm) conduit
* note: Minimum range corresponds to a setting below 1 on the Lc8 controller. please see the instructions for the
Lc8 controller for light levels corresponding to tick marks on the Lc8 adjustment knobs.
power
• Operating Voltage: 24 V
iec peLV/nec
®
class 2.
• Operating Current: 40 mA nominal from 24 V
supply.
• Control Output: 0 – 10 V
signal representative of ambient light present (input to Lc8 controller).
enVironMent
• Designed to operate from 52 to 140 °F (11 to 60 °C).
• All units are water-resistant and designed to withstand UV radiation.
DiMensions
GRX-CESI, GRX-CESA,
GRX-CESS Indoor
GRX-CESO Outdoor
®
1.15 in
(29 mm)
1.28 in
(32.5 mm)
GRX-CESI
1.35 in
(34 mm)
1.85 in
(47 mm)
GRX-CESO
1.28 in
(32.5 mm)
2.25 in
(57 mm)
GRX-CESA or
GRX-CESS
