iComfort Wi-Fi
®
Flex Thermostat / Page 21
EQUIPMENT INTERFACE MODULE (EIM) USAGE
System Type
Outdoor Unit Type
(Conventional)
1
Indoor Unit Type
(Conventional)
1
EIM Required on
Indoor Unit
iComfort Wi-Fi
®
Thermostat
(required)
Air Conditioner
Most Air Conditioners
Most Furnaces
Yes
Yes
Most Air Handlers
Yes
Yes
Heat Pump
Most Heat Pumps
Most Furnaces
Yes
Yes
Most Air Handlers
Yes
Yes
1
Indoor unit must contain the Equipment Interface Module (EIM).
EIM CONNECTIONS
Non-Communicating
Connections
Outdoor Air
Temperature
Sensor
Connections
Discharge Air
Sensor
Connections
iComfort
®
(RSBus)
Connections
3-Amp
Fuse
RSBus
LED
Unit Type
Jumper
Heating Stage
Jumper
Heat Pump
Capacity Jumper
Dual Fuel
Connections
Status
LED