Reorient or relocate the receiving antenna
Increase the separation between the equipment
and receiver
Connect the equipment to an outlet on a different
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
Specifications
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: -40o to 160oF (-40o to 70oC)
Thermostat Operating: 32o to 130oF (0o to 55oC)
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 Specifications
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
Summary of Contents for SMART
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