Installation manual

Page 12
NC (Normally Closed)
1. For a device that PROVIDES VOLTAGE for use with a switch clo-
sure:
a. Connect the +V Terminal on the controlled device to the Relay
NC Terminal on the MRX-1 rear panel, using one of the includ-
ed Three-pin plug-in connectors.
b. Connect the GROUND Terminal on the controlled device to the
RELAY COM Terminal using the same plug-in connector.
2. For a device that REQUIRES EXTERNAL CONTROL VOLTAGE:
a. Splice the ends of a 12 volt wall adapter and connect it to the
Relay COM Terminal.
b. Connect the RELAY NC Terminal to the +V Terminal on the con-
trolled device.
c. Connect the GND Terminal on the controlled device to the
GND terminal on the MRX-1 rear panel.
When a properly programmed MRX-1 compatible remote sends and
ON command (latching, press and hold or timed), RELAY will
OPEN and the controlled device will respond with an interruption
to it’s normal action. When the OFF command (latching, press and
hold or timed) is sent, RELAY will CLOSE and the controlled device
will respond by resuming its normal action. WIRE GAUGE: 24-14
AWG two-conductor stranded; MAX LOAD: 30V; .5A.