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Dimensions: 86 × 86 × 10 (mm)
Wi-Fi Type: 2.4 GHz
Control Methods: Touch Control + App Control + Voice Control
Rated Voltage: AC110-240V
Rated Current: 16A
Housing Material: Flame-Retardant ABS
Mechanical Life: 100,000 cycles
NVK‑SDM5 is a versatile 86‑type smart heating thermostat compatible with electric underfloor heating, water floor heating and wall‑hung boiler systems. Available in WiFi‑enabled smart version and basic touch‑control version, this wall‑mount panel delivers accurate room temperature control for residential and commercial projects. Crafted with flame‑retardant PC+ABS material, it fits standard EU & CN 86‑mm mounting boxes for easy retrofit & new installation.
WiFi‑supported models work with Tuya / Smart Life App for remote access. Adjust heating schedules anywhere before arriving home. Support voice commands via Amazon Alexa, Google Assistant. Local capacitive touch buttons for manual quick setting without phone.
Customize 7‑day heating timetable to match your daily routine. Save energy by lowering temperature when you are away and restore comfort temperature automatically.
High‑brightness LED screen clearly shows room temperature, set temperature, time, weekday, heating icon and WiFi status. Anti‑scratch front panel, easy‑to‑read even in dim rooms.
Perfect for home, apartment, office, hotel, shopping mall, school and other public buildings. Two hardware options for different heating systems:
🔹 16A Electric Heating (Non‑WiFi) + 3m Sensor
🔹 3A Water / Boiler + WiFi
🔹 3A Water / Boiler (Non‑WiFi)
Technical Specifications：
| Артикул | Спецификация |
| Модель | 8918 series thermostat（LoRa / WiFi / Zigbee / RS485 /433MHz） |
| Источник питания | AC 180‑260V,50/60Hz |
| Rated Current | 3A |
| Temperature Setting Range | 5℃‑35℃ |
| Точность контроля | ±1℃ |
| Temperature Sensor | NTC thermistor |
| Display | VA LCD, cool‑blue backlight |
| Операция | Capacitive touch; optional IR remote controller |
| Коммуникация | LoRa‑RF / WiFi(Tuya) / Zigbee / RS485 Modbus‑TCP /433MHz bidirectional |
| Fan Speed | High / Medium / Low / Auto (3‑speed fan coil) |
| Материал корпуса | Flame‑retardant ABS+PC |
| Измерение | 868613mm /868617mm(433 wireless version) |
| Монтаж | Standard 86 junction box, hole pitch:60mm |
| Color Option | White, Black, Golden |
| Гарантия | 2‑year warranty, lifelong technical support |
| Сертификация | CE, RoHS |
| Совместимость | Fan‑coil central air‑conditioning, water floor heating, AC+heating 2‑in‑1 system |
Product Selection:
| Артикул | Спецификация |
| Модель | NVK‑SDM5 |
| Бренд | NVK |
| Сертификация | CE, ROHS, FCC |
| Источник питания | AC 90‑240V, 50‑60Hz |
| Max Load Current | 16A (electric heating); 3A dry‑contact (water / boiler) |
| Max Resistive Power | 3200W (for 16A model) |
| Temperature Setting Range | 5‑35℃(electric);5‑36℃(water WiFi version) |
| Temperature Accuracy | ±1℃ |
| Temperature Sensor | NTC sensor (3m cable for electric heating variant) |
| WiFi Spec(WiFi‑model only) | 2.4GHz WiFi; Work with Tuya / Smart Life App |
| Voice Control(WiFi‑model only) | Amazon Alexa, Google Assistant |
| Display | LED back‑light digital display |
| Режим работы | Capacitive touch button; WiFi version support App & voice control |
| Core Function | 7‑day weekly programming, child lock, power‑off memory |
| Материал корпуса | Flame‑retardant PC+ABS |
| Измерение | 86 × 86 ×10 mm |
| Mounting Hole Distance | 60 mm, fit standard 86 junction box |
| Protection Class | IP20 |
| Working Ambient Temp | 0‑45℃ |
| Mechanical Life | 100,000 cycles |
| Electrical Life | 500,000 cycles |
| Unit Weight | 192g; Package weight:280g |
| Гарантия | 2 Years |
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