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Stainless steel connecting hose — installation of fan coil units in construction projects, essential

Horizontal-concealed-fan-coil-unit-water-inlet-and-outlet-and-soft-connection-concealed-structure_副本-1

Last Updated on September 7, 2022 by Shawn Lee

Q: You are engaged in the fan coil unit industry, do you know about the stainless steel flexible connection? Is it recommended that your customers install it?
Answer: The corrugated stainless steel flexible connection is two 20cm long hoses installed at the water inlet and outlet of the fan coil unit.

Q: Can the fan coil unit be used normally without installing a soft connection?
Answer: Yes.

Q: Why should I let my customers install it? What are the benefits to my clients?
Answer: shock absorption, prevent water leakage, and prolong the service life of the fan coil unit.

Horizontal concealed fan coil unit water inlet and outlet and soft connection concealed structure
Horizontal concealed fan coil unit water inlet and outlet and soft connection concealed structure

Q: The reason?
Answer: The soft connection is installed between the inlet and outlet pipes and the inlet and outlet of the fan coil unit.


Alleviate the vibration generated during the operation of the fan coil unit.
The flexible hose connection replaces the rigid connection of the steel pipe to prevent resonance, form the interface gap, and prevent water leakage.


Rigid connection, resonance with the fan coil unit interface for a long time, and the fan coil unit inlet and outlet are easily damaged.

Corrugated stainless steel flexible connection
Corrugated stainless steel flexible connection

Q: Does the fan coil unit purchased from your manufacturer come with this soft connection?
Answer: No. Hose connections are additional accessories. Our prices are for fan coil units only. Accessories you can also buy locally.

Q: Installation diagram of corrugated stainless steel hose.
Answer: In the picture below, the blue arrows I marked are the water inlet and outlet pipes, and the red arrows are stainless steel corrugated pipes. You can clearly see the installation position between them.

Q: fan coil unit installation, and other accessories?
Answer: Yes. Air cloth, tuyere, soft connection, boom, condensate drain pipe, etc.

Fan coil installation package
Fan coil installation package

I am a fan coil unit manufacturer, and I am very familiar with this product. Please take my advice.

Although the installation of accessories does not affect the use of the fan coil unit, it determines the performance and service life of the fan coil unit in the later stage.
I believe you also want to provide more professional services to your customers.

Horizontal concealed fan coil concealed fittings
Horizontal concealed fan coil concealed fittings

I reiterate the working principle of the fan coil unit again, and the reason for this is that I want to emphasize that this is indeed a low energy consumption and high environmental protection investment.
The working principle of the fan coil unit: using cold water and hot water as the medium, the heat and cold energy are transferred to the room through the fan coil air, so as to improve the indoor air temperature.

Fan coil installation accessories
Fan coil installation accessories

For fan coil unit installation, what else should be paid attention to?

  1. When the fan coil unit is installed, the inlet and outlet pipes should be equipped with valves to adjust the water volume, or an electric valve should be used together to control it through a thermostat.
  2. Before purchasing a fan coil unit, determine the location of the water inlet pipe and the water outlet pipe in the installation environment, so as to determine the direction of the water inlet and outlet of the fan coil unit.

The fan coil unit has left inlet (outlet) water and right inlet (outlet) water, which is to match the water pipe arrangement of your installation environment and facilitates installation.

Fan coil installation renderings

3. How to judge the left and right ports of the fan coil?

I suggest you do this, it is easier to judge the right and left ports of the fan coil unit.
When judging, you should face the air outlet. If the water inlet and outlet are on the left side, it is the left water inlet, and if it is on the right side, it is the right water inlet. Most of the vertical surface-mounted coils are for the rear outlet (inlet) water.

How to judge the left and right port of the fan coil
How to judge the left and right port of the fan coil

4. The inlet and outlet water pipes of the fan coil unit: bottom in and top out.
Note:

A. When taking over, too much force will damage the fan coil unit.
B. The inlet and outlet pipes should be insulated, and the threaded connection should be sealed with PTFE raw tape. The drainage pipe should maintain a sufficient slope to facilitate the timely discharge of condensed water.

5. The installation height and position of the fan coil unit should be determined according to the drawings and the height of the civil construction ceiling, so as to avoid the air outlet that cannot be installed downward or sideways.

At the same time, the elevation of the water inlet and outlet pipes and the slope of the condensate water pipes should also be considered. Before installation, it must be matched with the drawings, and professional issues should be considered comprehensively before construction.

Fan coil installation renderings
Fan coil installation renderings

If you are a personal family user, then I hope you can ask the local professional fan coil installation engineering team for help;

If you are a dealer or a builder, I hope you can show the professional architectural CAD drawings to the engineering team technicians for a look, and seek his help.

Fan coil installation renderings
Fan coil installation renderings


Or I can help you. I have a team of 13 people, mainly responsible for technical research and development, and matching installation.

My products
My products

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