Installation Sheet
RDM-INC Incandescent Dimmer Module
2400 W
The RDM-INC Incandescent Dimming Module is designed for use with the
RDA series of enclosures, in a AMX Lighting™ modular digital dimming
system. It is a standard 2400 W incandescent dimmer. It can dim incandes-
cent lights, cold-cathode, neon and two-wire dimmable ballasts. The RDM-
INC module's 120, 240, and 277 VAC ratings are CE, UL, and C-UL
approved.
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Test loads for shorts before connecting.
Use low voltage wires with a 300 volt rating or greater.
Use field installed copper conductors.
Run all low-voltage and control wires away from heat producing parts
of the dimmer.
Each dimming circuit must have a separate neutral connection.
All electrical ratings are for continuous duty.
AC lighting loads only.
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Mounting
points
For indoor use only.
This module may require extra power from the AXlink connection or an
external power supply connected to the control card.
Line In
High-voltage
connections
Line Out
Connecting the RDM-INC to the AMX Lighting Master
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
RDM-INC four-pin module connector
350µS
Choke
2 (-)
1 (+)
4-pin plug from a 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).
FIG. 2 Connecting the RDM-INC to the AMX Lighting Master
Lighting Application Drawing
20 A power device
All neutrals are common
to the Neutral block in the
enclosure. Provide a
separate neutral for each
load.
Line in
(HOT)
Low-voltage control
wiring: 4-pin
connector to AMX
Lighting master
controller
Load
FIG. 1 RDM-INC
Neutral
Load
RDM-INC UL and C-UL Ratings:
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120 VAC, 50/60 Hz, 2400 W
240/277 VAC, 50/60 Hz, 2400 W
Neon lights
(cold-cathode, on/off)
Circuit breaker
panel
Suggested Dimmed Loads:
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Incandescent
Low-voltage
Neon, cold-cathode
Two-wire, phase-controlled ballast
Neutral
Load
Two-wire dimmable ballast
Specifications:
FIG. 3 Sample wiring diagram
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Dimensions (HW): 10.0" x 2.75" (25.4 cm x 6.985 cm)
Phase dependant
Use wires rated at 75°C (167°F)
Torque terminals to 7 in-lbs. (0.8 N/M)
Max. wire size: 10 AWG (4 mm²)
Wire stripping length: 0.28" (7 mm)
Weight: 3.7 lbs. (1.67 kg)
BTU/hr: 300
Control current: 45 mA @ 12 VDC
Choke: 350 µS Rise time @ 120 VAC
175 µS Rise time @ 240 VAC
Caution: Pre-Installation Notes:
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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 unit.
Keep top and bottom air vents clear at all times.
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