ETA Systems ETA-ECM20M Manuel - Page 11

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ETA-RACEWY6
Electrical Housing for ETA-ECM20/ETA-ECM20M
ECM-3BP MODULE BLANK COVER PLATE
The ETA-RACEWY6 can hold up to 6 ETA-ECM20 Modules; however it is ok to use less than 6 modules. The open slots on the
ETA-RACEWY6 can be covered up using an ECM Module Blank Plate cover. Two of these are included with the ETA-RACEWY6. If not
needed, discard them. If additional Blank Plates are required they can be purchased in packages of three.

ECM-ACIN WIRE KIT

ETA Systems offers a wire kit of stranded 12 guage UL wire for wiring the ETA-ECM20 Modules together plus additional length for
wiring the incoming AC to an AC Mains panel. 140" of each color of Green, White and Black are included. Note: As a reference, it takes
around a foot of wire between ETA-ECM20 modules. If they are wired on the same incoming AC Main, it is highly recommended that
you carefully measure the wire needed for the job. It may take more than one ECM-ACIN wire kit depending on how many AC Mains
are being used and the distance from the AC Mains Panel. It is not necessary to use the ETA Systems ECM-ACIN wire kit as long as it
is 12 guage and UL listed.
WIRING THE ETA-M20RW CONTROL MODULE
The ETA-ECM20 & ETA-ECM20M are designed to be mated with the ETA-RACEWY6 housing and the ETA-ECS6RM controller. The
specific job install AC power requirements and power distribution layout will dictate how the ETA-ECM20M Modules are wired into the
Raceway. Each ECM Module can be wired as a single 20A run or in a parallel configuration as illustrated below. Each ECM module has
dual 3-position screw terminal blocks that are in parallel and are clearly labeled as follows: E - Green = Ground, L - Black = Load,
N - White = Neutral.
NOTE: The above figures show the ECM wiring configuration of one 20A AC Main line coming into an ETA-ECM20M, then paralleling
with an ETA-ECM20 type module.
NOTE: It appears that the wiring is in series but the ECM-Module In/Out terminals are in parallel on the PCB.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800-321-6699 • Fax: 800-996-3821
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etasys.com
Specifications are subject to change without notice.