Nowadays, with the rapid development of update speed, many products are being updated in every industry every day. The software in IT industry is at the forefront, and the number of updates per day is countless. However, the updates on electronic products are also different from day to day. Nowadays, there are many types of air-conditioning enterprises in development. Fan coil units are widely used terminal equipment in central air-conditioning systems, and selection is a very critical issue, but the various types of fan coil you know how much, can be simply classified as follows:
First, according to the form, it is divided into five types: horizontal concealed installation, horizontal exposed installation, vertical concealed installation, vertical exposed installation and cassette type.
Second, according to the thickness can be divided into: ultra-thin, ordinary type.
Third, according to whether there is a condensate pump can be divided into: ordinary type, luxury type.
Four, according to the unit static pressure size can be divided into: 0Pa,12Pa,30Pa,50Pa,80Pa, etc., here refers to the external static pressure.
Fifth, according to the number of rows of pipes can be divided into fan coil: two rows of pipes, three rows of pipes.
Six, there are two controls and four controls: two controls, that is, ordinary fan coils use cold water for cooling in summer and hot water for heating in winter. four controls, fan coils are mostly used in some luxurious places and can use hot water and cold water at the same time, that is, some rooms can be cooled and some rooms can be heated according to needs..
Attention should be paid to the selection of fan coil units: in foreign fan coil units, the air volume and cooling capacity under different external static pressure are generally given to facilitate users to choose. although some foreign concise samples only give nominal air volume, their meaning is different from that stipulated in our standards. they generally refer to foreign fan coil units with similar nominal air volume under certain external static pressure, air volume will be 20%-30% higher than domestic units.
When choosing foreign products, it should be emphasized that foreign companies often implement different standards, and there will be some differences in the meaning of nominal air volume. Therefore, when choosing a fan coil, it is better to use a complete sample or ask the manufacturer to determine its accuracy.
The fan coil body is compact in structure, sturdy and durable. It usually adopts high-quality galvanized sheet casing. The water tray of the condensing open air duct is integrally formed by molding process. There are no welds and solder joints. The thermal insulation material conforming to the fire prevention code is integrally connected to the water tray. The installation of the drain pipe and the circuit is simple. The left and right pipes and the return air mode can be changed at any time to match the site conditions. The heat exchanger is reasonably matched.

Fan coil LCD thermostat in the installation of wiring, should pay attention to the following two major issues.
First: First of all, you need to know what equipment you want to control the LCD thermostat of the fan coil.
Second: Find out how many lines these devices need to connect and where each line is connected. Of course, the fan coil liquid crystal thermostat that generally controls the fan coil is based on a 7-wire system (4 wires need to be connected from the terminal end of the fan coil, and the 4 wires of the fan coil are high, medium, low and zero wires respectively, plus the three wires of the electric valve installed on the fan coil are the valve opening wire and the valve closing wire respectively, zero line, these seven lines correspond to the connection terminals of the fan coil liquid crystal thermostat respectively), and the other is the live line and zero line introduced by the fan coil liquid crystal thermostat. The two lines depend on where you connect them and are free to control them, as long as you connect 220V power supply.
There is also a fan coil liquid crystal thermostat, which is the floor heating thermostat. The fan coil liquid crystal thermostat is used to control floor heating equipment such as electric blankets, geothermal films and other floor heating products. The fan coil thermostat is of a 6-wire system, with two control lines, external sensors and power lines for the grounding heating equipment respectively.
Fan coil unit is mainly composed of low noise motor, impeller and heat exchanger coil, fan coil is the ideal end of central air conditioning products, fan coil is widely used in hotels, office buildings, hospitals, commercial and residential, scientific research institutions.
Shandong Xingheng Environmental Technology Group Co., Ltd. is located in Luquantun Development Zone, Dezhou, Shandong Province, the hometown of glass fiber reinforced plastic in China. The company has three-level qualification for construction mechanical and electrical installation engineering, three-level qualification for environmental protection engineering, and safety production license. It is the first in the industry to pass ISO9001 quality management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health management system certification, an axial fan invention patent, a fan utility model patent, EIA, three at the same time waiting for complete procedures