Emerson Sensi Smart Thermostat ST55U

$123.30
Manufacturer:
Emerson
Mfg #:
ST55U
Our Item #:
19451s
Availability:

Description

Product Features

The Sensi™ Lite smart thermostat puts energy savings in easy reach. Installation is quick and simple — no common wire required with most systems. The controls are familiar and intuitive. And, best of all, your usage activity and personal data stays private.

  • SAVE ABOUT 23% ON HVAC ENERGY
    By adjusting the temperature using flexible scheduling, remote access, and geofencing, Sensi thermostat customers save about 23% on HVAC energy usage.
  • EXTENSIVE COMPATIBILITY
    Works with HVAC equipment found in most homes. Common wire (c-wire) not required for most applications. Check compatibility at sensi.emerson.com/compatibility
  • MOST INSTALL IN 30 MINUTES OR LESS
    Use the built-in level and step-by-step app instructions for a quick installation. Skip any extra work painting or patching the wall thanks to the standard thermostat size.
  • CIRCULATING FAN
    Helps maximize comfort and balance temperature throughout your home by increasing air circulation.
  • HUMIDITY CONTROL
    Help homeowners stay comfortable with humidification/dehumidification control.
  • KEYPAD LOCKOUT
    Maintain total control by disabling changes made by others at the thermostat.
  • TEMPERATURE LIMITS
    Prevent others from adjusting temperatures too high or too low.
  • SMART HOME COMPATIBLE
    Works with Amazon Alexa, Google Assistant, Apple HomeKit (c-wire required), and Samsung SmartThings smart home platforms.

Product Specifications

ELECTRICAL RATING:

20 to 30 VAC, 50/60 Hz

1.5 Amps maximum per terminal

2.5 Amps maximum (all terminals combined)

STANDARD SYSTEMS:

Single-stage gas, oil, electric

Single-stage heat pump with AUX heat

Two-stage gas, oil, electric

Multi-stage heat pump

SETPOINT RANGE:

45 ̊F to 99 ̊F (7 ̊C to 37 ̊C)

ACCESSORIES:

Wallplate: F61-2663 (6.75"x 4.50")

Thermostat guard: F29-0198

WIRELESS TECHNOLOGY:

2.4 Ghz Wi-Fi (802.11 a/b/g/n supported)

Bluetooth Low Energy

DIMENSIONS:

5.1"W x 3.1"H x .88"D

STORAGE:

-20 ̊ to 150 ̊F (-29 ̊ to 65 ̊C)

0%–90% RH non-condensing

OPERATING AMBIENT:

32 ̊F to +105 ̊F (0 ̊C to +41 ̊C)

HUMIDITY RANGE:

90% non-condensing max

DISPLAY TEMPERATURE RANGE:

32 ̊F to +99 ̊F (0 ̊C to 37 ̊C)

RATED DIFFERENTIALS (@ 6 ̊F / HR) FAST MED SLOW
Heat (conventional gas/oil/elect): 0.5 ̊F 0.75 ̊F 1.9 ̊F
Cool (central air): 0.9 ̊F 1.2 ̊F 1.7 ̊F
Heat pump (heat and cool): 0.9 ̊F 1.2 ̊F 1.7 ̊F
Heat pump (aux): 0.5 ̊F 0.75 ̊F 1.9 ̊F

COMPATIBILITY:

Conventional heating and cooling: Battery (power sharingor hardwired (c-wire          

Apple HomeKit, heat pump*,heat only and cool only systems: Hardwired only(c-wire)

 

SENSI ALERT TRIGGER
High temperature Above 99˚F
Low temperature Below 45˚F
High humidity Above 70%
Loss of heat/cool Temp goes up or down 5˚F during cycle

 

ACCESSORIES

Wallplate: F61-2663 (6.75" x 4.50")

Thermostat guard: F29-0198

 

DISPLAY TEMPERATURE RANGE:

32˚F to +99˚F (0˚C to 37˚C)

 

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