Ecobee SMART - Page 9

Y
W O/B
G
W2 AUX
R/H
R/C
ACC1
ACC1r
ACC2
ACC2r
ACC3
ACC3r
Equipment Interface
Y
G
R
C
Fan Coil
NOTE factory installed jumper must be removed for this conguration.
Non Powered Accessories will require a jumper from RH | RC to ACC1, ACC2, ACC3 for a 24V feed.
Dual Transformer – Single Stage Cooling With Boiler
Boiler
C
24V
C
Air Conditioner
W
R
Single Stage Cooling with Boiler
Dual Stage Furnace with Dehumidier and Two Stage Heat Pump
Y
W O/B
G
W2 AUX
R/H
R/C
ACC1
ACC1r
ACC2
ACC2r
ACC3
ACC3r
Equipment Interface
W2
W/W2
Y/Y2
Hum
Y1
G
Furnace
NOTE Indicates jumper. Non Powered Accessories will require a jumper from RH | RC to ACC1, ACC2, ACC3 for a 24V feed.
factory installed jumper.
Diagram indicates 24V humidier terminal. If your furnace control board does not have this, you must use a 110V/24V step down transformer.
Two Stage Furnace (Carrier 58MVB) With Two Stage Heat Pump (Duel Fuel)
Aux Heat
Stage 2
Dehumidier
Comp2
Humidier
C
24V
Humidastat
Y2
O
R
W2
C
Heat Pump
Y1
R
Dhum
Com
Remove factory installed jumper
Y
W O/B
G
W2 AUX
R/H
R/C
ACC1
ACC1r
ACC2
ACC2r
ACC3
ACC3r
Equipment Interface
Y1
G
R
C
Fan Coil
NOTE factory installed jumper must be removed for this conguration.
Non Powered Accessories will require a jumper from RH | RC to ACC1, ACC2, ACC3 for a 24V feed.
Dual Transformer – Dual Stage Cooling With Boiler
Comp 2
Boiler
C
C
Air Conditioner
W
R
Y2
Y1
R
Y2
Dual Stage Cooling with Boiler
indicates a jumper. Non-powered accessories require a jumper
from RH / RC to ACC1, ACC2, ACC3 for a 24V feed.
13 Installing The Smart Thermostat Installing The Smart Thermostat 14