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Appendix D: GRX-TVI 0-10 Volt Ballast/Switching Interface
Specifications
The GRX-TVI provides 0-10V control and
ballast switching capabilities in one en-
closure. The interface gives PRO AV DLC
Control Units the ability to control 0-10V
ballasts powered by 120V to 277V and
provides a switching relay that can handle
the in-rush current of ballasts. The inter-
face gives PRO AV DLC Series Control
Units the ability to both dim and switch
electronic ballasts, such as Lutron's Eco-
10 (TVE models), and Personna
fluorescent fixtures.
Installation
Mount on a wall using four screws. Use the unit to mark the
position of the holes.
Terminal blocks in the Unit accept up to two #12 AWG
(2.5 mm
2
) wires. This allows the interface to be wired in
multiple ways. The power feed can be from a different phase
than the PRO AV DLC power.
Wiring overview
A GRX Interface is required for each fluorescent
dimming zone. (A 3-zone Control Unit with two
fluorescent zones and one incandescent zone is shown
as an example.)
Please note that the power feed to the Control
Unit and H
/L
of the GRX-TVI must be the same
2
2
phase!
FEATURES
Provides a Class 2/PELV isolated 0-10V output signal.
Complies with UL Standard 508.
Accepts a zone output signal from PRO AV DLC
(100-127V, 220-240V, 50/60Hz).
CONTROL INPUT POWER RATING
0-10V OUTPUT RATING
OUTPUT SWITCHING
CAPACITIES
Fluorescent (with Lutron TVE ballasts) ...........................16A.............10A
Fluorescent (with ballasts by others) ...............................5A..............5AX
Incandescent...................................................................16A.............10A
Low Voltage....................................................................16A.............10A
Metal Halide ...................................................................16A.............10A
Neon/Cold Cathode ........................................................16A.............10A
Motor @ 100-127V ......................................................1/4Hp ............—
Motor @ 220-277V ......................................................1/2Hp ............—
TERMINALS
Two #12-20AWG conductors per terminal.
MOUNTING
NEMA Type 1 enclosure, indoor use only.
ENVIRONMENTAL
32—104 ˚F (0—40 ˚C).
WEIGHT
4.25 lb. (2kg)
INSIDE VIEW
0-10V BALLAST
0-10V BALLAST
GRX-
GRX-
TVI
POWER
FROM DISTRIBUTION
PANEL
CONTROL UNIT
Page 12
100-127/220-240V, 50/60Hz
10µA-300mA (maximum 150 ballasts)
FOUR MOUNTING
HOLES
6.10 in.
(155 mm)
0-10V CONTROL FLUORESCENT ZONE/LOAD 1
0-10V CONTROL FLUORESCENT ZONE/LOAD 1
SWITCHED FLUORESCENT ZONE/LOAD 2
BALLAST
TVI
INCANDESCENT ZONE/LOAD 3
CLASS 2/PELV WALLSTATIONS
100-277V
230V
FOUR SCREWS
SECURE COVER
12.5 in.
(318 mm)
3.30 in.
(84 mm)
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