Ecobee SMART - Specifications

Reorient or relocate the receiving antenna
Increase the separation between the equipment
and receiver
Connect the equipment to an outlet on a dierent
circuit from the receiver
Consult the dealer or an experienced radio/TV
contractor for help.
Warning: Changes or modifications not expressly
approved by ecobee Inc. could void the user’s
authority to operate the equipment.
To satisfy FCC/IC RF exposure safety requirements, a
separation distance of 20 cm or more should be maintained
between this device and persons. To ensure compliance,
operation at closer than this distance is not allowed.
FCC ID: WR9EBSTAT IC: 7981A-EBSTAT
Specications
Temperature ranges
Heat: 45 – 79°F (7 – 26°C)
Cool: 58 – 92°F (14 – 33°C)
Display: 40 – 100°F (5 – 37°C)
Sensitivity: +/- 1°F (0.5°C)
Equipment Interface Operating: -40 to 160F (-40 to 70C)
Thermostat Operating: 32 to 130F (0 to 55C)
Humidity Range
Humidify: 20 to 50% R.H
Dehumidify: 30 to 60% R.H
Display: 0 - 90% R.H
Sensitivity: +/- 2% R.H.
Operating: 5 – 95% R.H non-condensing
Dimensions
Thermostat: 5.5”W x 3.25”H x 1”D (139.5mm H x 82.5mm
W x 25mm D)
Equipment Interface: 4.6”W x 10”H x 1.3”D (118mm W x
254mm H x 32mm D)
Power
AC Transformer - 24 VAC - 3VA Minimum (not included)
Battery – CR2032 – 3V lithium coin cell (included),
Power Adaptor - #EB-PS-01 - 120V 50/60Hz to 12V DC 1A
(not included)
5 Getting Started
Wiring Specications
Refer to this table to determine maximum wire lengths allowed:
Smart Thermostat to Equipment Interface
18 AWG 20 AWG 22 AWG
1250ft/380m 790ft/240m 500ft/150m
Equipment Interface to heating/air equipment
18 AWG 20 AWG 22 AWG
128ft/39m 80ft/24m 50ft/15m
Terminal Description and Electrical Ratings
Terminal Description Voltage Current max
Y 1st stage cooling 30V AC 3A
W (O/B) 1st stage heating 30V AC 3A
(or changeover)
G Fan 30V AC 3A
W2(AUX) 2nd stage heating 30V AC 3A
(or 1st auxiliary heat)
R/H Heat transformer return 30V AC 3A
R/C Cool transformer return 30V AC 3A
ACC1 1st accessory relay 30V AC 3A
ACC1r 1st accessory relay return 30V AC 3A
ACC2 2nd accessory relay 30V AC 3A
ACC2r 2nd accessory relay return 30V AC 3A
ACC3 3rd accessory relay 30V AC 3A
ACC3r 3rd accessory relay return 30V AC 3A
IN1 + Input 1 + Dry contact only Dry contact only
IN1- Input 1 - Dry contact only Dry contact only
IN2+ Input 2 + Dry contact only Dry contact only
IN2- Input 2- Dry contact only Dry contact only
+12v 12V DC power to Thermostat 8-14V DC 600mA
GND GND to Thermostat - -
D+ Data + communication line - -
D- Data – communication line - -
Getting Started 6