485/Modbus Thermostat Panel

prix: $15.38~$20.3

Dimensions: 86 × 86 × 10 (mm)
Color Options: Black, White, Gold, Gray
Control Type: Single-pole, single-throw
Rated Voltage: AC 110–240 V
Rated Current: 16 A
Temperature Accuracy: ±1 °C
Power Consumption: <1 W

Overview

This smart fan coil thermostat is designed for central air‑conditioning fan coil units, compatible with 2‑pipe HVAC systems for home, hotel, office, school and commercial building applications. Adopting fire‑retardant ABS housing and high‑definition VA LCD display, it delivers precise room temperature control with responsive touch buttons. Available in WiFi and RS485 Modbus versions, supporting remote APP control and voice assistant control to bring smart climate management to your space.

Caractéristiques principales

✅ Dual Smart Control Options

WiFi version: Tuya APP remote control, check real‑time room temperature and adjust settings anywhere.
RS485 Modbus version: Supports APP & voice control, works with Tmall Genie, XiaoDu, XiaoAi speakers, hands‑free voice command for temperature adjustment, mode switch.

✅ Responsive Touch LCD Screen

86‑type standard wall‑mount panel with luminous touch keys, zero‑delay command response, ±1℃ temperature control accuracy. Clear screen shows room temperature, set temperature, fan speed, working mode, time & week info. Two colors: white & black to match different interior decoration styles.

✅ Rich Working Functions

4‑level fan speed adjustment, cooling / heating / fan modes, programmable timing function. Temperature adjustable range: 5‑35℃. Built‑in thermistor temperature sensor for stable temperature detection.

✅ Standard 86‑box Installation

Dimension 868613mm, mounting hole spacing 60mm, fits standard 86 wall junction box. Working voltage AC 220‑240V 50Hz, neutral wire required for wiring.

✅ Reliable Quality & Warranty

CE & RoHS certified, fire‑resistant ABS shell, mechanical life ≥10000 times. Comes with 2‑year manufacturer warranty, suitable for residential houses, hotels, shopping malls, offices, hospitals and public facilities.

Note: Professional electrician installation recommended. Neutral wire must be available, not support no‑neutral‑wire environment.

Package Includes

1 × Central Air Thermostat Panel

1 × Installation Accessories

Technical Specifications:

Parameter Specification
Marque	NVK (Navarch)
Product Series	Central Air-Conditioning Thermostat
Model / Order No.	8939+WiFi (WiFi version) / 8941+485 (RS485 Modbus version)
Certifications	CE / RoHS
Standard Type	National standard (GB), standard 86 wall box
Rated Voltage	AC 220-240V
Rated Frequency	50Hz
Rated Current	3A
Rated Power	200W
Load Power	200W
Méthode de contrôle	Touch button / Touch + APP + Voice control
Switch Mode	One-gang single control
Switch Type	Push button + remote type
Special Function	Remote control, timing function
Wiring Method	Terminal insert, binding post, twist connection
System Support	Tuya APP (WiFi) / APP + voice assistants (485)
Product Dimension	86×86×13 mm
Mounting Hole Distance	60 mm
Housing Material	Flame-retardant ABS
Color	White / Black
Backlight Color	Light blue
Wire Core Material	Laiton
Working Temperature	0-45℃
Protection Rating	IP20
Protection Function	Insulation sealing
Mechanical Life	≥10,000 cycles
Electrical Life	≥10,000 cycles
Application Scope	Smart home, fresh air system, commercial office, hotel, shopping mall, office building, industrial, public facility, hospital, school, airport
Product Weight	260g
Package Dimension	8.6×8.6×1.3 cm
Package Volume	96.148 cm³
Garantie	2 years manufacturer warranty

Product Selection

Modèle	Méthode de contrôle	Switching Method
8939+WiFi	Single-Order Control	Touchscreen
8941+485	Single-Order Control	Touchscreen + App Control + Voice Control

485/Modbus Thermostat Panel

Overview

Caractéristiques principales

Package Includes

Information

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