User Guide

ManualsBrandsAMX ManualsOtherRDM-ZC ZERO CROSS MODULE, 20A

Installation Sheet

RDM-ZC Zero Cross Module

2400 W

The RDM-ZC Zero Cross Module is a 2400 W zero-cross relay built for long

term, reliable switching of electronic fluorescent ballasts, electronic trans-

formers and incandescent lamps. It is designed for use with the RDA series

of enclosures, in an AMX Lighting™ modular digital dimming system. The

RDM-ZC module's 120, 240, and 277 VAC ratings are CE, UL, and C-UL

approved.

RDM-ZC UL and C-UL Ratings

• 120-277 VAC, 50/60 Hz, 2400 W

• 240/277 VAC, 50/60 Hz, 2400 W

Suggested Switched Loads

• Incandescent

• Electronic transformers

• HID ballast

• Electronic and magnetic ballast

Specifications

• Dimensions (HW): 10.00" x 2.75" (25.40 cm x 6.99 cm)

• Non-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: 1.5 lbs. (0.68 kg)

• BTU/hr: 150

• 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.

• Use low voltage wires with a 300 volt rating or greater.

• 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-ZC to the AMX Lighting Master

Lighting Application Drawing

FIG. 1 RDM-ZC

Low-voltage control

wiring: 4-pin connector

to AMX Lighting master

controller

Zero cross

Line in (hot)

Load out

High-voltage

connections

Mounting points

relay

FIG. 2 RDM-ZC connections

FIG. 3 RDM-ZC wiring configuration

Pin 4 (GND)

Pin 3 (RLY)

Pin 2 (DIM)

Pin 1 (+12 V)

3 (-)

1 (+)

RDM-ZC 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).

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

Line in (HOT)

Neutral

BALLAST

Load

Neutral

Fluorescent Ballast

Zone 1

Incandescent track

lighting

Summary of content (2 pages)

PAGE 1
Installation Sheet RDM-ZC Zero Cross Module 2400 W The RDM-ZC Zero Cross Module is a 2400 W zero-cross relay built for long term, reliable switching of electronic fluorescent ballasts, electronic transformers and incandescent lamps. It is designed for use with the RDA series of enclosures, in an AMX Lighting™ modular digital dimming system. The RDM-ZC module's 120, 240, and 277 VAC ratings are CE, UL, and C-UL approved.
PAGE 2
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). 043-019-2213 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. 3000 research drive, richardson, TX 75082 USA • 469.624.8000 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.