Муқаддима
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-stagбарномасозии электронӣ.
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.
Маълумот оид ба бехатарӣ
- Always turn off power to the heating and cooling system at the main fuse or circuit breaker panel before installing or servicing the thermostat.
- Насб бояд аз ҷониби мутахассиси соҳибихтисос ё электрик оид ба HVAC анҷом дода шавад.
- Боварӣ ҳосил кунед, ки ҳама пайвастҳои ноқилҳо бехатаранд ва ба кодексҳои барқии маҳаллӣ мувофиқанд.
- 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 voltagд (120В/240В).
Мундариҷаи баста
Боварӣ ҳосил кунед, ки бастаи шумо ҷузъҳои зеринро дар бар мегирад:
- Venstar T4900 Commercial Voyager Thermostat
- Таҷҳизоти васлкунӣ (виндҳо ва лангарҳои деворӣ)
- Дастури насб / Дастури корбар (ин ҳуҷҷат)

Image: Venstar T4900 Thermostat shown alongside its retail packaging, illustrating the product as it appears when unboxed.
Насб ва насб
1. Ҷойгиршавӣ
Термостатро тақрибан дар баландии 1.5 метр (5 фут) аз фарш дар ҷойе, ки гардиши хуби ҳаво дошта бошад, дур аз нури мустақими офтоб, шамол ва манбаъҳои гармӣ насб кунед. Аз ҷойҳое, ки дар наздикии тирезаҳо, дарҳо ё сӯрохиҳои вентилятсия, ки метавонанд ба нишондиҳандаҳои ҳарорат таъсир расонанд, худдорӣ кунед.
2. Хомӯш кардан
Before beginning installation, ensure the power to your HVAC system is completely turned off at the circuit breaker.
3. Термостати кӯҳнаро хориҷ кунед
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
- Сарпӯши пешро аз пойгоҳи термостат ҷудо кунед.
- Position the thermostat base on the wall, feeding the wires through the opening.
- Mark the mounting holes. Drill pilot holes if necessary.
- Secure the thermostat base to the wall using the provided screws and anchors.

Тасвир: Қафо view of the Venstar T4900 Thermostat, showing the wiring terminals and mounting plate for installation.
5. Васл
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.
Муҳим: 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. Танзимоти ибтидоӣ
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.

Тасвир: Пеш view of the Venstar T4900 Thermostat, displaying its screen and control buttons.
Дастурҳои амалиётӣ
Намоиш ва Тугмаҳо
The T4900 features a large, easy-to-read display with adjustable backlight intensity and backlit, color-coded buttons for intuitive control.
- Тирҳои боло/поён: Adjust temperature setpoints, navigate menus, and change settings.
- Тугмаи режим: Cycles through system modes (Heat, Cool, Auto, Off).
- Тугмаи мухлиси: Cycles through fan modes (Auto, On).
- Тугмаи меню: Дастрасӣ ба танзимоти пешрафта ва имконоти барномасозӣ.
Барномасозӣ
T4900 имконоти барномасозии чандирро пешниҳод мекунад:
- Барномасозии 7-рӯза: Customize schedules for each day of the week.
- 5+1+1 Day Programming: Set one schedule for weekdays, and separate schedules for Saturday and Sunday.
- Барномасозии 1-рӯза: 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.
- Бо Amazon Alexa барои идоракунии овоз ҳамгиро шавед.
- 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.
Хусусиятҳои пешрафта
- 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.
Нигоҳдорӣ
Тоза кардани термостат
To maintain the appearance and functionality of your thermostat:
- беруниро бо нарм пок кунед, гamp матоъ.
- Тозакунанда ё ҳалкунандаҳои абразивиро истифода набаред.
- Боварӣ ҳосил кунед, ки маводи моеъ ба ҷузъҳои дохилӣ дохил намешавад.
The Venstar T4900 does not use batteries; it is powered by your HVAC system's 24V AC supply.
Мушкилкушо
| Мушкилот | Сабаби эҳтимолӣ | Ҳалли |
|---|---|---|
| Намоиши термостат холӣ аст. | Қувваи барқ ба термостат нест. | Калиди барқро барои системаи HVAC санҷед. Боварӣ ҳосил кунед, ки ҳамаи пайвастҳои ноқилҳо бехатар мебошанд. |
| Системаи гармидиҳӣ / хунуккунӣ ҷавоб намедиҳад. | 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. |
| Нишондиҳандаҳои ҳарорат нодуруст ба назар мерасанд. | 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. |
| Ба Wi-Fi пайваст шуда наметавонад. | Wi-Fi module not installed, incorrect setup, network issues. | Таъмин кунед 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.
Мушаххасоти
| Бренд | Венстар |
| Номи модел | Venstar T4900 Commercial Voyager |
| Навъи назораткунанда | Wi-Fi, Amazon Alexa (with ACC-VWF1 module) |
| Хусусиятҳои махсус | 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 |
| Ранги | Сафед |
| Истифодаи мушаххас барои маҳсулот | HVAC Control (Heating, Cooling, Humidification, Dehumidification) |
| Навъи назорати ҳарорат | Both (Heating and Cooling) |
| Технологияи пайвастшавӣ | Wi-Fi (with ACC-VWF1 module), Z-Wave (optional, not specified in product details), Wireless (Wi-Fi) |
| Манбаи нерӯ | AC/DC (24 вольт) |
| Ҷилдиtage | 24 вольт |
| Шакл | Росткунҷа |
| Навъи намоиш | Рақамӣ |
| Навъи назорат | Назорати тугма |
| Усули назорат | Voice (via Alexa with ACC-VWF1), Manual Buttons |
| Протоколи пайвастшавӣ | Вай-фай |
| Навъи васлкунӣ | Монтажи девор |
| Нури паси | Бале |
| Вазни ашё | 10.4 унция |
| Андозаҳои маҳсулот | 2.3 x 6.3 x 5 инч |
| Рақами модели ашё | T4900 |
| UPC | 748528959706 |
Маълумот дар бораи кафолат
The Venstar T4900 Commercial Voyager Thermostat comes with a Кафолати 1-солаи истеҳсолкунанда. 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 webсайт.
Дастгирӣ
If you require further assistance, have questions about installation, operation, or troubleshooting, please contact Venstar customer support:
- Visit the official Venstar webсайт барои Саволҳо, ҳуҷҷатҳои дастгирӣ ва маълумоти тамос.
- 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 webсайт.





