The EMS Si is designed to operate with low voltage heating and cooling systems. It is not designed for use with line-voltage or millivolt heating and cooling systems.
The EMS Si supports:
Up to 2 heat and 2 cool stages on a conventional system.
Up to 3 heat and 2 cool stages on a heat pump system.
The ecobee EMS Si supports the following equipment:
Gas/Oil/Electric heating - Yes, (up to two stages)
Heat pump with auxiliary heat - Yes, (up to three stages)
Geothermal Heat Pump - Yes
Dual fuel systems - Yes
Standard electric cooling - Yes (up to two stages)
Boilers - Yes
Sensors with dry contact outputs - Yes
The ecobee Energy Management System Si (EMS Si) is the newest technology designed for the commercial market. It is ideal in applications
where a simple programmable Thermostat does not provide adequate controls and functionality and a full-scale building automation system is too complex and cost prohibitive. The ecobee EMS Si is user-friendly, reduces a building’s operating costs, and delivers increased energy conservation.
From their EMS Web Portal, users can remotely monitor, identify, analyze and troubleshoot performance issues; manage the temperature and operational settings from a central location; and take action without having to send a technician on-site.
The ecobee EMS Si can maximize any building’s efficiency, reduce energy consumption and deliver significant cost savings.
Our technical support team is available to answer your questions at 1.877.932.6233, or via email at firstname.lastname@example.org.