Carrier 33TWSPL-4 Wifi Stat Plus Thermostat Owner’s Manual
i-Vu® Building Automation System
WifiStat Plus Thermostat
Part number: 33TWSPL-4
Carrier’s WifiStat Plus Thermostat offers control of your building’s heating, ventilation,
and air-conditioning (HVAC) system via Wi-Fi® through the Connect smartphone mobile
app, web interface, and any BACnet-compliant building management system (BMS),
including the Carrier i-Vu building automation system.
Hardware Features
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Responsive Touchscreen: 4.3” responsive LCD touchscreen for easy
viewing and operation
BACnet: MS/TP port for easy integration with the i-Vu system or any
BACnet-compliant BMS
Sensors: Onboard temperature, humidity, or CO₂ plus remote sensor
options
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Direct Wi-Fi® Access: Easily connect to your building’s network
Slim Profile: Blends easily into any building’s decor and environmental
surroundings
Application and System Features
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Display: Celsius or Fahrenheit
Applications: Supports up to 4 heating and 3 cooling stages with various
new or existing HVAC equipment with 24 VAC control
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7-Day Scheduling: Precisely adjust optimum comfort setpoints to achieve
energy savings
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Demand Response Ready: For participation in local demand response programs
Over-the-Air Software Updates: Directly sent over Wi-Fi network without having
to manually check for updates
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Control: Make basic temperature, comfort and efficiency adjustments easily
and quickly
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Alerts: Notification through SMS text and eMail of any critical issues
Embedded Contractor Info: Lets you know who to contact for service
Local Access Security: Provides selective access for authorized individuals
Smartphone App and Web Portal: Configure using your internet-connected
Smartphone, PC or Tablet from anywhere or anytime… in real time
•
Bluetooth Commissioning: Effortless setup for Thermostat via Bluetooth
Visit connectstat.carrier.com and create an account.
| General | Details |
|---|---|
| Name | Carrier 33TWSPL-4 Wifi Stat Plus Thermostat Owner’s Manual |
| Make | Carrier |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.15 MB |

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Carrier 33TWSPL-4 Wifi Stat Plus Thermostat Owner’s Manual Overview
Summary of Contents
- Page 1: i-Vu building automation system Wi-Fi control of HVAC system through smartphone app and web interface Responsive 4.3” LCD touchscreen for easy operation Integration with BACnet-compliant building management systems Onboard temperature, humidity, and CO₂ sensors Direct Wi-Fi access for easy network connection 7-day scheduling for energy savings Demand response ready for local programs Over-the-air software updates for convenience Alerts for critical issues via SMS and email
- Page 2: i-Vu building automation system Wi-FiStat Plus thermostat Specifications Power requirements: 24 Vac 50/60 Hz @ 6VA Communication: BACnet MS/TP with baud rates up to 115.2 kbps Real-time clock keeps track of time in the event of a power failure for up to 7 days Color capacitive backlit touchscreen, °F or °C selectable Operating range: 32° to 104°F (0° to 40°C), 10 to 95% relative humidity, non-condensing Dimensions: 3.23 in. (H) x 5.13 in. (W) x 0.94 in. (D) Wall mount on a standard 4” x 2-1.2 x 2” electrical box Manufacturer reserves the right to discontinue or change specifications or designs at any time.














