Document Part # 026-4055 Rev 3
Page 1 of 3
©2020 Emerson 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.
The Site Supervisor 21.5-Inch Touchscreen Display
(P/N 818-7242)
is a remote user
interface for the Site Supervisor that connects to the controller using the Ethernet
network through the Ethernet port. The Site Supervisor UI allows users to perform critical
actions in the controller quickly. Functions such as lighting overrides, controlling heating
and cooling stages, status information, and viewing alarms can all be performed using the
21.5-Inch Display.
For a copy of the full Site Supervisor Guide
(P/N 026-1800)
, go to http://www.emerson.com or contact Emerson Customer
Service at 770-425-2724.
Display Connections
General Warnings and Safety Precautions
•The Display should not be used for purposes different from those described in this guide.
It cannot be used as a safety device.
• When using an external power supply, it is necessary to separate the power of the device from
the rest of the electrical devices connected inside the electrical panel.
• Disconnect all electrical connections before any kind of maintenance is performed.
• Do NOT open the Site Supervisor Display. Do NOT open the panel rear cover when power is
applied.
• Check that the supply voltage is correct before connecting.
• Do not expose to water or moisture: use the controller only within its operating limits to avoid
sudden temperature changes with high atmospheric humidity to prevent condensation.
• Wire polarity must be observed: a wrong connection may cause possible malfunctioning and
damage to the controller or Display.
Display Connections
21.5- Inch Display
Quick Start Guide
Site Supervisor 21.5-Inch
Touchscreen Display
21.5-Inch Display
