Emerson ST55 Sensi Wi-Fi Programmable Thermostat Installation Guide
NOTES
Single stage or multi-stage conventional system with single transformer
THERMOSTAT
*
G
Y2
W/E
W2
O/B
L
SYSTEM
CONFIGURATION
O
Single
stage
AC1
No
No
Energized
constantly
in Cool
Mode
output
output
Blower /
circulator fan
energized on
call for cool
(and heat if
configured
for electric
heat)
Heat Pump
“L” terminal
connection
GA1
24 Volt
(Hot)
Cool
24 Volt
(Hot)
Heat
24 Volt
Cool
Mode 1st
stage
Heat
Mode 1st
stage
EL1
(Common)
B
Multi-
stage
AC2
GA2
EL2
Energized
constantly
in Heat
Cool
Mode 2nd
stage
Heat
Mode 2nd
stage
Mode (or
Aux Mode)
NEUTRAL
24 VAC
HOT
HOT
120 VAC
NEUTRAL
Dots indicate
phase
relationship.
*Internal jumper between RC and RH, located on back of thermostat above battery compartment.
**Common conneciton required for He-at only or C-ool only systems.
***Thermostat wiring does not follow a standardized color code. Label thermostat wires before removing old thermostat from the wall.
Heat Pump Systems
THERMOSTAT
*
Y2
O/B
L
SYSTEM
CONFIGURATION
Heat and
Cool
O
Single
stage
Heat
Energized
constantly in
Cool Mode
(Factory
No
No
Mode 1st
stage
output
output
Blower /
circulator fan
energized on
call for cool
(and heat if
configured
for electric
heat)
Pump
Heat Pump
“L” terminal
connection
24 Volt
(Hot)
Cool
24 Volt
(Hot)
Heat
24 Volt (compres-
Heat
Mode 1st
stage
Default)
HP1
(Common)
sor)
-
Multi
B
NOTE: Dual
Fuel option
de-energizes
HeatMode
1st stage
Cool
Mode
2nd
Heat
Mode 2nd
stage
stage
Heat
Energized
constantly in
Heat Mode
(or Aux
Pump
stage
HP2
Mode)
NEUTRAL
24 VAC
HOT
HOT
120 VAC
NEUTRAL
Dots indicate
phase
relationship.
*Internal jumper between RC and RH, located on back of thermostat above battery compartment.
**Common connectionrequired on He-at only, Coo-lonly or Heat Pump systems.
***Thermostat wiring does not follow a standardized color code. Label thermostat wires before removing old thermostat from the wall.
SensiTM Wi-Fi Programmable Thermostat | INSTALLATION GUIDE
13
| General | Details |
|---|---|
| Name | Emerson ST55 Sensi Wi-Fi Programmable Thermostat Installation Guide |
| Make | Emerson |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.25 MB |
(1 votes, average: 5.00 out of 5)
Loading...
EMERSON ST75W Sensi Touch Wi-Fi Smart Thermostat Installation Guide
EMERSON Thermostat Common Wire Kit SA11 Instruction Manual
EMERSON 1F75H-21PR Programmable Heat Pump Thermostat Instruction Manual
EMERSON 1F75C-11PR Programmable Thermostat Installation Guide
EMERSON 1D56-310 White-Rodgers Low Voltage Horizontal Mounting Thermostat Instruction Manual
EMERSON Programmable Touchscreen Thermostat Setup in E2 and Site Supervisor User Guide
EMERSON 1F76U-22WFB Series Sensi Lite Smart Thermostat Installation Guide
EMERSON 1F87U-42WF Sensi Smart Thermostat User Guide
EMERSON 1F83C-11NP Single Stage Thermostat Owner’s Manual
EMERSON 1F75P-21PR Display Thermostat Instruction Manual
DEVI 140F1143 Electronic Intelligent Timer Thermostat Installation Guide
ELKO ep TER-4 Double Thermostat Owner’s Manual
REHAU NEA SMART 2.0 Room Thermostat Installation Guide
Google G953-01573-01-A Nest 4th Gen Smart Wi-Fi Thermostat Owner’s Manual
SECURE radbot 1 Intelligent Radiator Thermostat Instruction Manual
EPH CONTROLS RFC-RF RF Room Cylinder Thermostat Instruction Manual
Thalos Key 230 Bianco Touch Screen Wall Thermostat Instruction Manual
LUX DHP2120 Battery Powered Non Programmable Digital Heat Pump Thermostat Installation Guide
HBX THM-0100 Programmable Thermostat Instruction Manual
GENERAL SENNA 300 Digital Room Thermostat User Manual