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Green Light Power Switching Crestron Commercial Lighting Design Guide
Doc.4775A 22
GLPS-SW-FT Green Light Express Feed-
Through
Power Switching Panels w/Standard High-Inrush Relays
The GLPS-SW-FT Power Switching Panels are designed for
use with a separate circuit breaker panel. Two "feed-
through" panel sizes are available, configurable with as few
as 8, or as many as 56 control circuits per panel. Each
control circuit is rated for 16A at 100-277V. Panels may be
deployed with a mix of 120V and 277V circuits within a single
cabinet.
The GLPS-SW-FT panels utilize robust 50A relays to handle
all types of lighting loads including electronic ballasts, as well
as motors up to 2 HP.
The GLPS-SW-FT panels employ field-replaceable lighting
control modules, with 8 control circuits per module, for
excellent configurability and serviceability. Each module
includes local relay controls and load state indicators for each
circuit.
As part of a complete Green Light system, GLPS-SW-FT
panels connect to an IPAC-GL1 lighting control processor (or
other 2-Series control system) via the Cresnet control
network. A GLA-PWS50 (or equivalent) power supply is also
required for each panel to provide operating power to the
lighting modules.
Remote emergency override mode allows the lighting system
program to be overridden while each circuit is set to an
override preset state. The override preset for each circuit is
set using the local controls on the front of each lighting
module. Remote override mode is activated by an external
contact closure from a Crestron GLS-PLS-120/277 power
loss sensor or other devices.
All low-voltage connections to a GLPS-SW-FT panel are
made via a connector block located near the bottom of the
panel. Connections are provided for Cresnet communications,
power supply, and emergency override.
Crestron Green Light Express Power Switching panels are
configured to order, and factory assembled and tested prior
to shipping. Each panel is engineered to provide a clean and
manageable installation with abundant provisions for wire
termination and conduit knockouts. On-site installation is fast
and easy with all termination points clearly labeled and
accessible from the front.
MODEL NUMBERS
Specifying and ordering a Crestron Green Light Express
Power Switching panel is facilitated using the following
model number system. Simply
fill in the appropriate entry in each position according to the
steps that follow:
GLPS - SW - FT - 56
GLPS – Relay Type – Feed Type – Number of Ckts.
The above example is for a “Feed-Through” panel with 56
“SW” standard high-inrush relays.
Relay Type: Enter “SW” to specify standard high-inrush
switching relays.
Note: For other relay types, refer to the Selection Guide on
Page 3.
Feed Type: Enter “FT” to specify “Feed-Through.”
Note: For other feed types, refer to the Selection Guide on
Page 3.
Number of Circuits: Choose one of the following numeric
values to specify the number of controlled circuits in the
panel:
Small: 8, 16, 24
Large: 32, 40, 48, 56
Note: “Small” and
“La
rge” refer to the default panel size
per number of circuits. Consult Crestron Sales Support
Services for alternate configurations.