CRESTRON: GREEN LIGHT NETWORK LIGHTING CONTROLS 26 09 43 - 13
day. The best place to install the GLS-LCL in a typical office or similar space is on the ceiling directly
above the primary work area. The sensor measures all light within a 60° cone, which consists
predominately of reflected light, acquiring the most natural approximation of perceived changes in
ambient light levels.
Requires use of control processor specified below.
L. Photocell Sensor, Closed Loop Type: Continually monitors daylight at work station location to
enable daylight harvesting applications to provide control of room lighting based on lighting
level at workstation. Equipped with 3-wire interface for direct connection to control system
utilizing control processor; 24 VDC power from network control bus.
1. Basis of Design: Crestron Photocell GLS-LCL.
2. Mounting: [Ceiling flush mounted] [Ceiling surface mounted] [Wall flush mounted]
[Wall surface mounted] [As indicated].
2.7 CONDUCTORS AND CABLING
A. Power Supply Side of Remote-Control Power Sources: Comply with requirements of Division 26
Section "Low-Voltage Electrical Power Conductors."
B. UTP Cable: 100-ohm, UTP. Listed and labeled by an NRTL acceptable to authorities having
jurisdiction as complying with UL 444 and NFPA 70 for the following types:
1. Communications Control Cable, Non-Plenum Rated: 22 AWG data pair stranded bare
copper, and 18 AWG power pair stranded bare copper, Type CM.
a. Basis of Design Product: Crestron CRESNET-NP.
2. Communications Control Cable, Plenum Rated: 22 AWG data pair, stranded bare copper
and 18 AWG power pair, stranded bare copper, Type CMP, complying with NFPA 262.
a. Basis of Design Product: Crestron CRESNET-P.
3. Communications High-Power Control Cable, Non-Plenum Rated: 22 AWG stranded bare
copper data pair, and 12 AWG stranded bare copper power pair, Type CM.
a. Basis of Design Product: Crestron CRESNET-HP-NP.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Prior to installation, examine work area to verify measurements, and that commencing
installation complies with manufacturer's requirements.
3.2 INSTALLATION
A. Comply with requirements of Division 26 Sections "Common Work Results for Electrical."
B. Do not install network power controls until space is enclosed, HVAC systems are running, and
overhead and wet work in space are complete.
(18 Seiten)
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