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AC Room Thermostat TX-937-222D-N3

AC Room Thermostat TX-937-222D-N3

AC Room Thermostat TX-937-222D-N3

Heating and Cooling
2-pipe FCU, central air conditioning
Payment Terms
Delivery Time
With 25 workdays after deposit
White with gold side
86*110*10mm (W*H*D)
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Product Details
To better learn about hvac thermostat, Edison will provide detailed pictures and detailed information in the following section for your reference.Edison's hvac thermostat is manufactured in strict accordance with relevant national standards. Every detail matters in the production. Strict cost control promotes the production of high-quality and priced-low product. Such a product is up to customers' needs for a highly cost-effective product.
Application Scope
Edison's hvac thermostat can be applied to different fields and scenes, which enables us to meet different requirements.Edison could customize comprehensive and efficient solutions according to customers' different needs.
Company Advantages
1. Edison automatic thermostat is manufactured by adopting advanced production technologies. These technologies are constantly updated and improved to meet the industry standards and thus the product can be provided with long-lasting and strong functionality.
2. The ac thermostat thus produced has features like automatic thermostat .
3. ac thermostat which is being applied to automatic thermostat has represent many advantages.
4. The product, with so many good characteristics, is adaptable to various applications.

AC Room Thermostat TX-937-222D-N3-1

TX-937-222D-N3 room thermostat integrates with RS485 Modbus communication to be used controlling 2-pipe fan coil units speeds (H/M/L/Auto) and motorized valves in the central air conditioning and generally applied in commercial and industrial installation. Typically applications included such as hotels, shopping malls, commercial offices, government offices, hospital etc….
The model futures with smoothly touch screen, child-proof locks, retain the last events and parameter settings after a loss of power.
Low/high-temperature protection will be activated when room temperature below 5 ℃/exceed 60℃ to prevent water pipe from freezing or burning, fan turns on delay, Anti-cold air, more comfortable, energy saving and life safety.



Model NO.

TX-937-222D-N3 Modbus Room Thermostat


Modbus RTU

Power supply

85VAC ~ 240VAC, 50 ~ 60Hz

Temperature setting range

5 ~ 35 °C



Wiring port




Tolerance between setting and ambient temperature

1-5℃(Default: 1℃)

Low -temperature protection

Below 5°C


ABS Flameproof Plastic

Suitable valve

2-Line or 3-Line

Ambient temperature

0~50℃, <RH90%

IP class



ABS Flameproof Plastic

Wiring Diagrams


AC Room Thermostat TX-937-222D-N3-2



AC Room Thermostat TX-937-222D-N3-3



AC Room Thermostat TX-937-222D-N3-4
AC Room Thermostat TX-937-222D-N3-5

Company Features
1. Edison Co., Ltd. is a company synonymous for designing and producing high-quality automatic thermostat . We develop driven by evolving market demand.
2. Professional technicians and advanced equipment guarantee the magnificent quality of ac thermostat .
3. Professional after-sales service and the Edison branded thermostats will satisfy you. Ask! Edison Co., Ltd. ​adheres to the business principle - Honesty is the best policy. Ask! Edison Co., Ltd. will keep improving its competitiveness in hvac thermostat market to keep it stand out in the market. Ask! Edison Co., Ltd. always improving our designs and models to acquire the world market. Ask!
The manufacture of Edison hvac thermostat requires the use of different facilities. It is processed under stamping, coating, painting, and drying equipment that features high performance and efficiency. The capacity of this product can be customized according to needs
Different inspection methods will be adopted on Edison hvac thermostat. Both its internal mechanical parts and external parts will be inspected by visual examination, radiographic inspection, or magnetic crack detection. This product allows for easy handling and stacking
Edison thermostats is of professional design. It is by our designer who has mastered the bedding structure of nuts and bolts and is full of confidence that creating bedding is a compliment. This product comes in a variety of vivid colors
Edison thermostats is quality tested in our accredited laboratories. It has passed key inspection and quality control tests such as Impact Test, Water Resistance Test, Vibration Test, Sound Insulation Test, etc. This product comes in a variety of vivid colors
Edison thermostats has ensured quality. It has been carefully examined from the aspects of CRI, lumens, power, voltage, etc. in production. This product comes in a variety of vivid colors
These products are strictly in accordance with international quality standards. Its porous body allows for good thermal expansion and contraction
With low operating cost and high performance, thermostats will be your ideal choice. It is made from clay and kiln-fired for durability
The product keeps operating smoothly throughout its lifetime. Made of porcelain, it's dishwasher, microwave, and freezer safe
The product has a long-lasting performance and stable functionality. Its waterproof paint makes it highly resist water
Its quality is strictly controlled from the design and development stage. Made from 100% natural mineral materials, it contains no chemicals or heavy metals
Since its establishment, Zhuhai Edison Smart Home Co., Ltd. has obtained ISO9001 certification. Its waterproof paint makes it highly resist water
Zhuhai Edison Smart Home Co., Ltd. has been always focusing on providing the best service for customers. It will make a chic and practical addition to the tableware
Edison HVAC Valves has excellent service with unique design, fast delivery and abundant product lines. It is carefully designed to be as functional and beautiful
There is complete quality control system for our thermostats. Its simple design makes it flexibly compatible with any interior design
Edison attaches great importance to the quality of customer service. It will make a chic and practical addition to the tableware
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