AMX Zero Cross Module RDM-ZC50 Assembly instructions

Installation Sheet
RDM-ZC50 Zero Cross Module
6000 W
The RDM-ZC50 Zero Cross Module is a 6000 W solid-state zero-cross
relay built for extra large loads. It is designed for use with the RDA series of
enclosures, in an AMX Lighting™ modular digital dimming system. The
RDM-ZC50 module's 120 VAC and 277 VAC ratings are CE, UL, and C-UL
approved.
RDM-ZC50 UL and C-UL Ratings
120-277 VAC, 6000 W
Suggested Switched Loads
• Incandescent
• Electronic transformers
• HID ballast
• Fluorescent ballast
Specifications
• Dimensions (HW): 10.00" x 2.75" (25.40 cm x 6.99 cm)
• Non-phase dependant
• Use 75°C (167°F) copper conductors only
• Torque terminals to 16 in-lbs. (7.25 kg-m)
• Max. wire size: 6 AWG; 14 AWG min.
• Wire stripping length: 0.35" (9 mm)
• Weight: 1.0 lb. (0.45 kg)
• BTU/hr: 400
• Control current: 45 mA @ 12 VDC
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.
• Test loads for shorts before connecting.
• 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.
• 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-ZC50 to the AMX Lighting Master
Lighting Application Drawing
FIG. 1 RDM-ZC50
Low-voltage control
wiring: 4-pin controller
to AMX Lighting master
controller
Zero cross relay
Line in (hot)
Load out
High-voltage
connections
Mounting points
FIG. 2 RDM-ZC50 connections
FIG. 3 RDM-ZC50 wiring configuration
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
3 (-)
1 (+)
RDM-ZC50 4-pin module connector
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
Circuit breaker
panel
Neon lights
(cold-cathode, on/off)
Neutral
Load
All neutrals are common
to the Neutral block in the
enclosure. Provide a
separate neutral for
each load.
Load
Neutral
Fluorescent Lighting
Line in (HOT) Load
Neutral

AMX Corporation reserves the right to alter specifications without notice at any time.
For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).
043-019-2214 8/01 ©2001 AMX Corporation. All rights reserved.
The AMX logo is a trademark of AMX Corporation. AMX Corporation reserves the right to alter specifications without notice at any time.
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