AMX RDM-FDB - Manual
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Installation Sheet
RDM-FDB Single Channel Lutron FDB Ballast Dimmer
1920 W
The RDM-FDB Single Channel Ballast Dimmer is a 1920 W positive air gap
relay and dimmer, built for strength and for reliable switching/dimming of
Lutron FDB ballasts. It is designed for use with the RDA series of enclo-
sures, in a AMX Lighting™ modular digital dimming system. The RDM-FDB
module's 120, 240, and 277 VAC ratings are CE, UL, and C-UL approved.
RDM-FDB UL and C-UL Ratings
•
120 VAC, 1920 W
•
240/277 VAC, 1920 W
Suggested Dimmed Loads
•
Most 3-wire dimmable fluorescent ballasts
•
Lutron
©
Hi-Lume
®
FDB Ballasts
•
Lutron Eco-10
®
Ballasts
Specifications:
•
Dimensions (HW): 10.0" x 2.75" (25.4 cm x 6.99 cm)
•
Dimmed output protected by a 250 mA GMA 5 x 20 mm fuse
•
Phase dependant
•
Use wires rated at 75°C (167°F)
•
Torque terminals to 20 in-lbs. (2.3 N/M)
•
Max. wire size: 10 AWG (4 mm²)
•
Wire stripping length: 0.28" (7 mm)
•
Weight: .72 lbs. (0.327 kg)
•
BTU/hr: 5
•
Control current: 85 mA @ 12 VDC
•
For use with FDB ballasts
Caution: Pre-Installation Notes
•
All Class 1 wiring must be connected to proper terminals.
•
All control wiring must be connected to proper terminals.
•
Disconnect power while installing or connecting the unit.
•
Keep top and bottom air vents clear at all times.
•
Use field installed copper conductors.
•
All electrical ratings are for continuous duty.
•
For indoor use only.
•
This module may require extra power from the AXlink connection or an
external power supply connected to the control card.
Connecting the RDM-FDB to the AMX Lighting Master
Lighting Appplication Drawing
FIG. 1 RDM-FDB
Mounting points
Fuse
Positive air
gap relay
Dimmed out
Relay
Line in (hot)
Switched out
Low-voltage
control wiring: 4-pin
connector to AMX
Lighting master
controller
Ballast A
FIG. 2 RDM-FDB connections
FIG. 3 RDM-FDB wiring configuration
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
RDM-FDB 4-pin module connector
3 (-)
2 (AC)
1 (+)
4-pin plug from RDM series module
Note: The 4-pin plugs from the module connector
to the 4-pin connector on the master (black plug cover facing up).
BALLAST
Ballast
Circuit breaker
panel
The fuse protects the dimming
circuit from a low impedance
load.
•
The fuse would blow if it
were incorrectly wired
•
Catastrophic ballast failure
•
Reversing switched and
dimmed circuits
•
Reversing dimmed and
line circuits.
The dimmed output
must
be
connected to a high impedance
load.
All neutrals are
common to the
Neutral block in the
enclosure. Provide
a separate neutral
for each load.
Neutral
Line in (HOT)
Switched
Dimmed
Florescent
Ballast
Neutral
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