Uvod
This manual provides detailed instructions for the installation, operation, and maintenance of the Venstar T4900 Commercial Voyager Wi-Fi Programmable Thermostat. The T4900 is designed for commercial applications, offering advanced control over heating and cooling systems with features such as Wi-Fi connectivity, Alexa compatibility, and multi-stage programiranje.
Please read this manual thoroughly before attempting installation or operation to ensure proper functionality and to avoid potential damage to the unit or your HVAC system.
Sigurnosne informacije
- Uvijek isključite napajanje sistema grijanja i hlađenja na glavnoj razvodnoj ploči s osiguračima ili prekidačima prije instalacije ili servisiranja termostata.
- Installation should be performed by a qualified HVAC technician or electrician.
- Osigurajte da su svi spojevi ožičenja sigurni i da su u skladu s lokalnim električnim propisima.
- Do not short circuit the terminals on the gas valve or primary control to test the thermostat. This will damage the thermostat and void the warranty.
- This thermostat operates on 24 Volts AC. Do not connect to line voltage (120V/240V).
Sadržaj paketa
Provjerite da li vaš paket sadrži sljedeće stavke:
- Venstar T4900 Commercial Voyager Thermostat
- Pribor za montažu (vijci i zidni tiplovi)
- Installation Guide / User Manual (this document)

Image: Venstar T4900 Thermostat shown alongside its retail packaging, illustrating the product as it appears when unboxed.
Postavljanje i instalacija
1. Lokacija
Install the thermostat approximately 5 feet (1.5 meters) above the floor in an area with good air circulation, away from direct sunlight, drafts, and heat sources. Avoid locations near windows, doors, or vents that could affect temperature readings.
2. Isključivanje
Before beginning installation, ensure the power to your HVAC system is completely turned off at the circuit breaker.
3. Uklonite stari termostat
Carefully remove your old thermostat from the wall. Take a picture of the existing wiring connections before disconnecting any wires. Label each wire with the terminal designation it was connected to.
4. Mount the New Thermostat
- Separate the front cover from the thermostat base.
- Position the thermostat base on the wall, feeding the wires through the opening.
- Označite rupe za montažu. Izbušite pilot rupe ako je potrebno.
- Secure the thermostat base to the wall using the provided screws and anchors.

Slika: Stražnja strana view of the Venstar T4900 Thermostat, showing the wiring terminals and mounting plate for installation.
5. Ožičenje
Connect the wires to the corresponding terminals on the T4900 thermostat base. Refer to the wiring diagram specific to your HVAC system type (e.g., conventional, heat pump). The T4900 supports 4 Heat Stages & 2 Cool Stages.
Važno: If only 4 wires are available for installation, the Venstar Add-A-Wire accessory (PN# ACC0410) may be required. Consult the Add-A-Wire installation instructions for details.
6. Attach Front Cover and Power On
Once wiring is complete, carefully attach the front cover to the thermostat base. Restore power to your HVAC system at the circuit breaker.
7. Početna konfiguracija
Upon first power-up, the thermostat may guide you through initial setup steps, including system type selection and basic date/time settings. Follow the on-screen prompts.

Slika: Front view of the Venstar T4900 Thermostat, displaying its screen and control buttons.
Uputstvo za upotrebu
Displej i dugmad
The T4900 features a large, easy-to-read display with adjustable backlight intensity and backlit, color-coded buttons for intuitive control.
- Strelice gore/dolje: Adjust temperature setpoints, navigate menus, and change settings.
- Dugme za način rada: Cycles through system modes (Heat, Cool, Auto, Off).
- Dugme ventilatora: Cycles through fan modes (Auto, On).
- Dugme menija: Pristupa naprednim postavkama i opcijama programiranja.
Programiranje
The T4900 offers flexible programming options:
- 7-dnevni program: Customize schedules for each day of the week.
- Program 5+1+1 dan: Set one schedule for weekdays, and separate schedules for Saturday and Sunday.
- 1-dnevni program: A single schedule applies to all days.
- Up to 3 Occupied Periods Per Day can be programmed.
- 365 Day Holiday Programming: Allows for specific holiday schedules.
Access programming settings via the Menu button and follow the on-screen instructions to set desired temperatures and times for each period.
Wi-Fi Connectivity and Smart Features
For Wi-Fi operation and smart features, the Venstar Wi-Fi Module (Part Number: ACC-VWF1) is required. Once installed and configured, you can:
- Control the thermostat remotely via a smartphone app.
- Integrirajte se s Amazon Alexom za glasovnu kontrolu.
- Utilize Advanced Demand Response (ADR) capabilities.
- Receive Equipment Fault Detection (FDD) notifications.
- Access API for 3rd party monitoring and control systems.
Refer to the ACC-VWF1 module's specific instructions for Wi-Fi setup and app integration.
Napredne funkcije
- Adjustable Deadbands and Timers: Configure the temperature differential and minimum run times between stages.
- Remote Sensor Averaging: The thermostat can average readings from one remote sensor with its internal sensor.
- Pre-Occupancy Fan Purge: Circulates air before occupancy periods.
- Light Activated: Features that respond to ambient light conditions.
- Energy Watch: Monitors and displays energy usage data.
Održavanje
Čišćenje termostata
To maintain the appearance and functionality of your thermostat:
- Obrišite spoljašnjost mekom krpom, damp tkanina.
- Nemojte koristiti abrazivna sredstva za čišćenje ili rastvarače.
- Pazite da vlaga ne uđe u unutrašnje komponente.
The Venstar T4900 does not use batteries; it is powered by your HVAC system's 24V AC supply.
Rješavanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Displej termostata je prazan. | Nema napajanja termostata. | Check the circuit breaker for your HVAC system. Ensure all wiring connections are secure. |
| Sistem grijanja/hlađenja ne reaguje. | Incorrect system mode, wiring issue, or system fault. | Verify the thermostat is in the correct mode (Heat/Cool/Auto). Check wiring connections. If FDD (Equipment Fault Detection) is enabled, check for fault notifications. |
| Očitavanja temperature izgledaju netačna. | Thermostat location, sensor issue. | Ensure the thermostat is not exposed to direct sunlight, drafts, or heat sources. If using a remote sensor, verify its placement and connection. |
| Nije moguće povezati se na Wi-Fi. | Wi-Fi module not installed, incorrect setup, network issues. | Osigurajte ACC-VWF1 Wi-Fi Module is correctly installed. Follow the Wi-Fi module's specific setup instructions. Check your Wi-Fi network status. |
For further assistance, please contact Venstar customer support.
Specifikacije
| Brand | Venstar |
| Naziv modela | Venstar T4900 Commercial Voyager |
| Tip kontrolera | Wi-Fi, Amazon Alexa (with ACC-VWF1 module) |
| Posebne karakteristike | Phone App Available, Temperature Sensor, Humidity Sensor, Dehumidification Control, 7-Day Programmable, 365 Day Calendar, Pre-occupancy Fan Purge, Up to 4 Hours Override, ADR Ready, FDD Notification, API for 3rd party monitor & control |
| Boja | Bijelo |
| Specifične upotrebe za proizvod | HVAC Control (Heating, Cooling, Humidification, Dehumidification) |
| Tip kontrole temperature | Both (Heating and Cooling) |
| Tehnologija povezivanja | Wi-Fi (with ACC-VWF1 module), Z-Wave (optional, not specified in product details), Wireless (Wi-Fi) |
| Izvor napajanja | AC/DC (24 volta) |
| Voltage | 24 Volts |
| Oblik | Pravougaona |
| Display Type | Digital |
| Tip kontrole | Kontrola dugmadi |
| Kontrolni metod | Voice (via Alexa with ACC-VWF1), Manual Buttons |
| Connectivity Protocol | Wi-Fi |
| Vrsta montaže | Zidni nosač |
| Pozadinsko osvetljenje | Da |
| Težina artikla | 10.4 unce |
| Dimenzije proizvoda | 2.3 x 6.3 x 5 inča |
| Broj modela stavke | T4900 |
| UPC | 748528959706 |
Informacije o garanciji
The Venstar T4900 Commercial Voyager Thermostat comes with a 1-godišnja garancija proizvođača. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty documentation included with your product or visit the official Venstar website.
Podrška
If you require further assistance, have questions about installation, operation, or troubleshooting, please contact Venstar customer support:
- Visit the official Venstar webstranica za često postavljana pitanja, dokumente za podršku i kontakt informacije.
- Contact your authorized Venstar dealer or installer.
For information on optional accessories like the Add-A-Wire (ACC0410) or Wi-Fi Module (ACC-VWF1), please refer to their respective documentation or the Venstar website.





