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Green Light Power Switching Crestron Commercial Lighting Design Guide
Doc.4775A 24
GLPS-HDSW-FT Green Light Express
Feed-Through Power Switching Panels w/Modular High-
Inrush Relays
The GLPS-HDSW-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.
The GLPS-HDSW-FT panels utilize individual, field-installable
modular relays. Panels are specified according to the number
of relay spaces. The relays are ordered separately. Each
space accommodates one single-pole relay (Model# GLR-
HD-1P). Allow 2 spaces for each double-pole relay (Model#
GLR-HD-2P).
Each control circuit is rated for 20A, supporting 120V, 277V,
and 347V lighting loads, as well as motors up to 2 HP. Panels
may be deployed with a mix of different voltages within a
single cabinet.
The GLPS-HDSW-FT panels include local relay controls and
load state indicators for each circuit.
As part of a complete Green Light system, GLPS-HDSW-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.
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 relay controls. 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-HDSW-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 - HDSW - FT - 56
GLPS – Relay Type – Feed Type – Number of Ckts.
The above example is for a “Feed-Through” panel with
56 “HDSW” modular high-inrush relays.
Relay Type: Enter “HDSW” to specify modular high-inrush
switching relays.
Note: For other relay types, refer to the Selection Guide
Feed Type: Enter “FT” to specify “Feed-Through.”
Note: For other feed types, refer to the Selection Guide
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:
“Sm
all” and “Large” refer to the default panel size
per number of circuits. Consult Crestron Sales Support
Services for alternate configurations.
“HDSW” relays must be ordered separately. Quantities
shown indicate the number of available relay spaces. Each
space accommodates one single-pole relay (Model# GLR-
HD-1P). Allow 2 spaces for each double-pole relay (Model#
GLR-HD-2P).