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ETC Installation Guide
Forward-Phase Dimmer–Gen 2
Prepare for Installation
The Forward-Phase Dimmer–Gen 2 is designed for mounting directly to an
electrical junction box or panel (provided by others) at the electrical lighting
load, upstream of the load in the circuit.
Note:
separate conduit, a voltage barrier installation box is available from ETC.
Order ETC part number 7187A1000.
EchoConnect Control Wiring
The Forward-Phase Dimmer–Gen 2 connects to the EchoConnect station
communication bus for control. EchoConnect is a bidirectional protocol that
uses one pair of wires (data + and data -) for both data and power. ETC
recommends using Belden 8471 (or approved equal) Class 2 wire. The total
combined length of an EchoConnect wire run (using Belden 8471, or equal)
may not exceed 500 m (1,640 ft).
Note:
qualified installer and should follow standard wiring installation practices.
Leave approximately 20 cm (8 in) of wiring in the back box for connection
and to allow slack for future service needs.
Note:
ESD protection. Pull an additional 2.5 mm
when control wires are not installed in grounded metal conduit.
Forward-Phase Dimmer–Gen 2
If your installation requires Class 2 wiring to be installed in
All control wiring should be installed and terminated by a
ETC requires that all Echo stations and devices be grounded for
2
(14 AWG) wire for grounding
Page 4 of 12
ETC
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