AMX RDM-2ZC User Manual download pdf

Installation Sheet

RDM-2ZC Dual Zero Cross Module

2400 W

The RDM-2ZC Dual Zero Cross Module is a dual 2400 W zero-cross relay

built for long term, reliable switching of electronic fluorescent ballasts, elec-

tronic transformers and incandescent lamps. It is designed for use with the

RDA series of enclosures, in an AMX Lighting™ modular digital dimming

system. The module's 120, 240, and 277 VAC ratings are CE, UL, and C-

UL approved.

RDM-2ZC UL and C-UL Ratings

• 120-277 VAC, 2400 W

• 240/277 VAC, 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: 2.0 lbs. (0.91 kg)

• BTU/hr: 300

• Control current: 45 mA per relay (90 mA total) @ 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-2ZC to the AMX Lighting Master

Lighting Application Drawing

FIG. 1 RDM-2ZC

Low-voltage control

wiring: 4-pin connector

to AMX Lighting master

controller

Zero cross relay A

Zero cross relay B

Line in (hot)

Load out

High-voltage

connections

Mounting

points

FIG. 2 RDM-2ZC connections

FIG. 3 RDM-2ZC wiring configuration

Pin 4 (GND)

Pin 3 (RLY)

Pin 2 (DIM)

Pin 1 (+12 V)

3 (-)

1 (+)

RDM-2ZC 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.

(B) Load

(B) Line in (HOT)

Load

Neutral

Fluorescent Ballast

(A) Line in (HOT)

(A) Load

Safety ground

1 2

Installation Sheet 1

Summary of Contents

Page 1 - Installation Sheet

Installation SheetRDM-2ZC Dual Zero Cross Module2400 WThe RDM-2ZC Dual Zero Cross Module is a dual 2400 W zero-cross relay built for long term, reliab

Page 2

AMX Corporation reserves the right to alter specifications without notice at any time. For full warranty information, refer to the AMX Instruction Man

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