Įvadas
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 programavimas.
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.
Saugos informacija
- Prieš montuodami arba atlikdami termostato techninę priežiūrą, visada išjunkite šildymo ir vėsinimo sistemos maitinimą pagrindiniu saugikliu arba grandinės pertraukiklio skydeliu.
- Installation should be performed by a qualified HVAC technician or electrician.
- Įsitikinkite, kad visi laidų sujungimai yra tvirti ir atitinka vietinius elektros kodeksus.
- 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).
Pakuotės turinys
Patikrinkite, ar jūsų pakuotėje yra šie elementai:
- Venstar T4900 Commercial Voyager Thermostat
- Tvirtinimo detalės (varžtai ir sieniniai inkarai)
- Installation Guide / User Manual (this document)

Image: Venstar T4900 Thermostat shown alongside its retail packaging, illustrating the product as it appears when unboxed.
Sąranka ir diegimas
1. Vieta
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. Išjungimas
Before beginning installation, ensure the power to your HVAC system is completely turned off at the circuit breaker.
3. Nuimkite seną termostatą
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. Sumontuokite naują termostatą
- Separate the front cover from the thermostat base.
- Position the thermostat base on the wall, feeding the wires through the opening.
- Pažymėkite tvirtinimo skyles. Jei reikia, išgręžkite kreipiamąsias skyles.
- Secure the thermostat base to the wall using the provided screws and anchors.

Vaizdas: Galinis view of the Venstar T4900 Thermostat, showing the wiring terminals and mounting plate for installation.
5. Laidai
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.
Svarbu: 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. Pradinė konfigūracija
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.

Vaizdas: priekis view of the Venstar T4900 Thermostat, displaying its screen and control buttons.
Naudojimo instrukcijos
Ekranas ir mygtukai
The T4900 features a large, easy-to-read display with adjustable backlight intensity and backlit, color-coded buttons for intuitive control.
- Rodyklės aukštyn/žemyn: Adjust temperature setpoints, navigate menus, and change settings.
- Režimo mygtukas: Cycles through system modes (Heat, Cool, Auto, Off).
- Ventiliatoriaus mygtukas: Perjungia ventiliatoriaus režimus (automatinis, įjungtas).
- Meniu mygtukas: Pasiekia išplėstinius nustatymus ir programavimo parinktis.
Programavimas
The T4900 offers flexible programming options:
- 7 dienų programa: Customize schedules for each day of the week.
- 5+1+1 dienų programa: Set one schedule for weekdays, and separate schedules for Saturday and Sunday.
- 1 dienų programa: 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.
- Integrate with Amazon Alexa for voice control.
- 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.
Išplėstinės funkcijos
- 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.
Priežiūra
Termostato valymas
Norėdami išlaikyti termostato išvaizdą ir funkcionalumą:
- Išorę nuvalykite minkšta, damp audinys.
- Nenaudokite abrazyvinių valiklių ar tirpiklių.
- Įsitikinkite, kad į vidinius komponentus nepatenka drėgmės.
The Venstar T4900 does not use batteries; it is powered by your HVAC system's 24V AC supply.
Trikčių šalinimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Termostato ekranas tuščias. | Termostatui netiekiama maitinimas. | Patikrinkite ŠVOK sistemos automatinį jungiklį. Įsitikinkite, kad visos laidų jungtys yra tvirtos. |
| Šildymo / vėsinimo sistema nereaguoja. | Neteisingas sistemos režimas, laidų problema arba sistemos gedimas. | 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. |
| Temperatūros rodmenys atrodo netikslūs. | 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. |
| Nepavyksta prisijungti prie „Wi-Fi“. | Wi-Fi module not installed, incorrect setup, network issues. | Užtikrinti, 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.
Specifikacijos
| Prekės ženklas | Venstar |
| Modelio pavadinimas | Venstar T4900 Commercial Voyager |
| Valdiklio tipas | Wi-Fi, Amazon Alexa (with ACC-VWF1 module) |
| Ypatingos savybės | 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 |
| Spalva | Baltas |
| Specifinis produkto naudojimas | HVAC Control (Heating, Cooling, Humidification, Dehumidification) |
| Temperatūros valdymo tipas | Both (Heating and Cooling) |
| Ryšio technologija | Wi-Fi (with ACC-VWF1 module), Z-Wave (optional, not specified in product details), Wireless (Wi-Fi) |
| Maitinimo šaltinis | AC/DC (24 voltai) |
| ttage | 24 voltų |
| Forma | Stačiakampis |
| Ekrano tipas | Skaitmeninis |
| Valdymo tipas | Mygtukų valdymas |
| Kontrolės metodas | Voice (via Alexa with ACC-VWF1), Manual Buttons |
| Ryšio protokolas | Wi-Fi |
| Montavimo tipas | Sieninis laikiklis |
| Foninis apšvietimas | Taip |
| Prekės svoris | 10.4 uncijos |
| Gaminio matmenys | 2.3 x 6.3 x 5 colio |
| Prekės modelio numeris | T4900 |
| UPC | 748528959706 |
Informacija apie garantiją
The Venstar T4900 Commercial Voyager Thermostat comes with a 1 metų gamintojo garantija. 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 websvetainę.
Palaikymas
If you require further assistance, have questions about installation, operation, or troubleshooting, please contact Venstar customer support:
- Visit the official Venstar websvetainė, kurioje rasite DUK, pagalbos dokumentus ir kontaktinę informaciją.
- 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 websvetainę.