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Emerson E2 Quick Setup Manual

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E2 Controller
Quick Setup Guide
For a copy of the full E2 User Manual (P/N 026-1614), go to
http://www.emerson.com to download or contact Emerson Customer
Service at 770-425-2724.
Installing the E2 Controller
Mount the E2 controller in a location suitable for Type 1 (NEMA1)
equipment.
1. Connect the I/O or MODBUS Network to one or all of the E2 RS485
I/O or MODBUS Network ports. (A maximum of 31 devices can be
wired to each I/O or MODBUS Network port.)
2. If the E2 is the beginning of all RS-485 I/O or MODBUS Networks,
set all three jumpers to the UP position. For MODBUS, set the
jumpers in the top-most position (MOD). For I/O Net, set the jumpers
in the middle position (I/O). For no termination, set the jumpers to
the DOWN position (NO).
3. Connect earth ground to one of the two ground terminals provided.
Use 12 AWG (preferred) or 14 AWG wire and keep as short as
possible (less than 12 inches preferred).
4. Connect 24VAC Class 2 to the power terminals.
5. Flip the power switch to the ON position. When 24VAC has been
applied to the board, the green LED will illuminate.
Document Part # 026-4143 Rev 1
©2018 Emerson Climate Technologies Retail Solutions, Inc. This document may be photocopied for personal use.
Visit our website at http://www.emerson.com for the latest technical documentation and updates.
Dimensions
Standard Mount: 9.06" W x 12.06" H x 3.75" D
Recessed Mount: 9.06" W x 10.56" H x 2.0" D
Base: 10.56" W x 10.56" H x 3.75" D
Operating Temperature -40°F to 149°F (-40°C to 65°C)
Storage Temperature
-40°F to 158°F (-40°C to 70°C)
Operating Humidity
5% - 95% RH non-condensing at 90°F
Storage Humidity
5% - 100% RH
Power
24 VAC ±20%, 50/60 Hz, Class 2
VA Load
50
The E2 online help is the primary source front panel/interface users
will have to consult when seeking instruction on properties, screens,
menus, and troubleshooting of hardware/software problems. The
online help topics are designed to minimize the time the user would
otherwise have to spend searching through the manual to find
information. Press the
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Summary of Contents for Emerson E2

  • Page 1 Mount the E2 controller in a location suitable for Type 1 (NEMA1) equipment. 1. Connect the I/O or MODBUS Network to one or all of the E2 RS485 I/O or MODBUS Network ports. (A maximum of 31 devices can be wired to each I/O or MODBUS Network port.)
  • Page 2 The contents of this publication are presented for informational purposes only and they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. Emerson Climate Technologies Retail Solutions, Inc. and/or its affiliates (collectively “Emerson”), reserves the right to modify the designs or specifications of such products at any time without notice. Emerson does not assume responsibility for the selection, use or maintenance of any product.