Venstar T4900 Thermostat Instruction Manual
Venstar T4900 Thermostat
Venstar T4900 Thermostat
Venstar T4900 Thermostat Instructions
Here we offer the Venstar T4900 Thermostat manual completely free and in English. We have cataloged this manual in the Thermostats section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Venstar T4900 Thermostat, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.
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Venstar T4900 Thermostat Specifications
| Feature | Specification |
|---|---|
| System Compatibility | 24V systems (Gas, Electric, Oil, Forced Air, Variable Speed, Heat Pump, Radiant) |
| Heating Stages | 1, 2, or 3 Stages (W1, W2, W3) |
| Cooling Stages | 1 or 2 Stages (Y1, Y2) |
| Heat Pump Support | Yes, with Auxiliary (W2) and Emergency Heat |
| Power Input | 24 VAC (requires R and C wires) |
| Fan Control | G terminal |
| Display Type | Backlit LCD with Scrolling Display |
| Connectivity | Optional Wi-Fi Module (2.4 GHz, b/g/n), Optional Z-Wave Module |
| Temperature Display Units | Fahrenheit (°F) or Celsius (°C) |
| Maximum Heat Setpoint Range | 35°F - 99°F |
| Minimum Cool Setpoint Range | 35°F - 99°F |
| Humidity Control | Yes (HUM, DEHUM terminals for humidification and dehumidification) |
| Auxiliary Output | Programmable (AUX terminal) |
| Dry Contact Input | Programmable (DRY CONTACT terminals) |
| Firmware | Updateable (manual reflects rev. 12 at publication) |
| FCC ID | MUH-SKYPORT3 |
| IC | 12547A-SKYPORT3 |
Venstar T4900 Thermostat Details
The Venstar T4900 Thermostat features an intuitive user interface centered around a backlit LCD display with a unique scrolling text system, designed for easy navigation through menus. Key buttons like Warmer, Cooler, Mode, and Setup facilitate precise control. The display also incorporates an ambient light sensor for automatic backlight intensity adjustments, ensuring optimal visibility in various lighting conditions. Icons clearly indicate the current mode (Heat, Cool, Auto), program status, Wi-Fi connectivity, and heating/cooling stages, enhancing the user experience.
Users can tailor the T4900's operation to their lifestyle with flexible programming options, including 7-day, 5/1/1 day, or 1-day schedules, alongside a non-programmable mode. The advanced "Time Period Programming" allows for detailed customization of up to three Occupied periods daily, each with distinct modes and temperature setpoints, complementing the default Unoccupied settings. A dedicated Holiday feature offers temporary energy-saving adjustments without disrupting regular programming, ideal for extended absences.
Beyond basic heating and cooling, the T4900 offers sophisticated climate management. It supports humidification and dehumidification, including a "Cool to Dehumidify" function that uses cooling equipment to reduce air moisture, and "Reheat Operation" to maintain comfortable temperatures during dehumidification. Multiple temperature sensor inputs are available, allowing control based on the thermostat's internal sensor, wired remote/supply sensors, or even an average of linked wireless sensors, providing precise environmental monitoring.
Designed with energy conservation in mind, the T4900 includes "Comfort Recovery," which intelligently pre-heats or pre-cools to reach desired temperatures by the scheduled time. Features like "Cycles Per Hour" and "Compressor Minimum Off Minutes" protect HVAC equipment and optimize efficiency. The thermostat also supports Automated Demand Response (ADR), allowing it to adapt to utility signals for energy reduction during peak demand periods, contributing to smarter energy usage and potential cost savings.
The T4900 truly shines in its connectivity, thanks to optional Wi-Fi and Z-Wave modules. These allow for remote control and integration into smart home ecosystems. Via the Venstar Skyport Cloud Services, users can access their thermostat remotely through a web app or mobile device, enabling comprehensive control, schedule adjustments, runtime data monitoring, and alert notifications. Furthermore, a "Local API" setting facilitates integration with third-party home automation software, offering extensive customization possibilities.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Venstar T4900 Thermostat, and we answer them below.



