Fan coil unit system

Fan coil unit system is composed of the fan coil unit and directly installed in the air conditioning room, fan sucked into the air filter and then through the heating coil or cooling, place into the air-conditioned rooms. After the room needed fresh air is usually outdoor air through the fresh air handling units into focus by the pipeline. Fan coil used in refrigerant concentration of supply, is a semi-centralized air-conditioning system. In this system, a cold (or heat), respectively, into the air-conditioned room by the air and water.

Fan coil units, flexible layout, each room can be adjusted independently. Widely used in building hotels, apartments, hospitals and office buildings and other high-level multi-room small space.

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

4-way cassette fan coil unit

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

According to the different demand,the air purifier have several types

According to the purification demand points, air purifier can be divided into:

(1) pure of type. If the indoor humidity is located in the region more moderate or air quality 

    requirements are not too high, then buy pure type of air purifier to meet demand.

2) purification humidification type. If you are located in the drier areas, air conditioning is often 

   caused by indoor air conditioning and dehumidifiers to air dry, or higher air quality requireme    nts, then buy an air filter with humidification purification function, will be the most suitable

   choice .

(3) intelligent. If you like automation, intelligent monitoring air quality, or reflect the noble taste, 

     or for gifts needs more decent, then buy a smart dust cleaner is the best choice.

(4) Vehicle type. If it is used to purify the air inside the car, the need for specialized purification         car smell, formaldehyde and other automotive vehicle pollution, and can be placed in a 

      specialized car air purifier, so the best choice for the automotive-type air purifier.

 

Remote control air purifier with alone filter

(5) desktop. That is placed on the desktop, the desktop clean air within  a certain range around      the protection of human health near the desktop air purifier. If the front of the computer, front       desk, or desk, but w  hich is not a small indoor area, or in public places, their own money to 

    buy a large air purifier and worthwhile, not fashion, the desktop type  air purifier is the better 

    choice.

(6)and medium-sized. Mainly applied to larger indoor applications, such as within the family 

    hall, senior bank office, a senior executive offices,  an important lecture hall conference hall, 

    hotels, hospitals, beauty salons, kindergartens and other occasions.

(7) central air conditioning system type. Situation mainly applies to the in  stallation of central air      conditioning, ceiling or have a single room or m  ultiple rooms together purification

In the air cleaner of choice, we have to pay attention to the following details.

(1) Select the fan capacity as large as some of the air purifier. Especially within the filter air purifiers, as an energy source has a fan air circulation system, because air flow, filtration and purification capacity corresponding effect is relatively large.

Portable anion air purifier with handle

(2) choose the regular manufacturers or big brand products. Currently air purifier brand a lot, in order to ensure the quality, better choose the regular manufacturers products.

(3) try to choose some of the large volume of product, because purifier relatively large size, to consider the filtration system has a certain amount of dust, gas volume, in order to extend the air purifier filter material life. Conditions can choose complex multifunction air purifier, you can guarantee under different conditions can purify indoor air.

(4) the use of efficient home air purifier filters the best choice with a mute function of purification, can be used when you sleep at night. Children and family with animals the best choice for high-performance security of air purifiers to prevent children or pets to play hurt.

How to choose a suitable air purifier for home.

So how do we choose a suitable air purifier for the home?

home air purifier A800

First, look at the amount of clean air

The amount of clean air, i.e. CADR (Clean Air Delivery Rate), which is used to evaluate the professional capability indicators of an air cleaner, unit of cubic meters (air) / h, the greater this value, the representative of the ability to clean air strong.

Second, look at the net filter performance    

Resist PM2.5 particulate matter, we generally recommend that you select the material with a high efficiency filter air purifier, although there are also a variety of ozone, negative ion purification technology, but the feedback from the consumers point of view, the effect is not very ideal, but it is by physical means to filter air filter air purifiers better than some, but not actually filter replacement costs low.

Third, look at the authority of certification and test report

Air purifier is really effective, but also there is no credible certification issued by the authority, its purification efficiency of pollutants and whether it passed the test nationally recognized testing organizations.

Selection standard of air purifier

Selection standard of air purifier: 

First, the air purifier is good or bad, mainly from the clean air output ratio to consider, the greater the rate of output, natural purification effect will be better.

At present, the air purifier measure, there are a few hard targets, the first is to ensure that the indoor air reaches a certain number of ventilators, the current general international standards of not less than five times; the second is a clean air purifier higher efficiency, indoor if there is a continuing source of pollution, then, these two indicators can remain on a relatively low level of indoor pollutants.

So how do we choose a suitable air purifier for the home?

home air purifier GTA8

First, look at the amount of clean air

The amount of clean air, i.e. CADR (Clean Air Delivery Rate), which is used to evaluate the professional capability indicators of an air cleaner, unit of cubic meters (air) / h, the greater this value, the representative of the ability to clean air strong.

Second, look at the net filter performance    

Resist PM2.5 particulate matter, we generally recommend that you select the material with a high efficiency filter air purifier, although there are also a variety of ozone, negative ion purification technology, but the feedback from the consumers point of view, the effect is not very ideal, but it is by physical means to filter air filter air purifiers better than some, but not actually filter replacement costs low.

Third, look at the authority of certification and test report

Air purifier is really effective, but also there is no credible certification issued by the authority, its purification efficiency of pollutants and whether it passed the test nationally recognized testing organizations

The importance of floor heating thermostat

Electric floor heating is well known that change electrical energy into heat energy, due to the influence of different factors of heat loss from the room, such as the outdoor temperature, wind speed, etc., through the use of floor heating thermostat, can automatically control the room temperature reaches approximately constant effect, in addition to thermostat may use indoor appliances, lighting, sunlight, and human waste heat, waste heat can account for 10-20% of the heat losses, floor heating thermostat device is the core of the electric floor heating system, only the rational use of electric thermostat to achieve the purpose of saving heating system.

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

How to choose the suitable exhaust fan ?

Exhaust fan have include indoor, kitchen and bathroom three types.

1 Toilet generally smaller, about 2-4 meters, the choice of 150-200 mm  

  open-exhaust fans.

2,Kitchen options with 250 mm compartment cover exhaust fan , such as when

  the kitchen is equipped with off the hood, do not install ventilation fans.

3,bedroom and living room area is generally about 12-16 square meters,

  two-way type ventilation fans 250-300 mm more appropriate.

Selection, pay attention to the following points:

1, fan have new appearance, color and color coordination room, flat without

  Warping phenomenon, smooth plastic parts, plating bright, no rust marks,  

  blades can rotate.

2, the rotary blades smoothly after power without abnormal noises, air volume.

  Swank style blinds one hundred flexible movable. Interlocking shutters one

  hundred sensitive surface rotation. Bi-directional exhaust fan

Hot sale Bathroom,office,home ceiling exhaust fan

converted with  

  ease. Motor temperature too high, small noise. Fan speed control with  

  speed control function is obvious, capacitor motor is not more than 65%, the

  cover plate is not more than 80%.

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

Features and advantages of the ball valve

 Features:

1, Three-way ball valve in the structure of the integrated structure, seat 4 side seal type, high reliability.

2,Ball core of three-way ball valve is divided into T and L, long life, large flow capacity, small resistance.

3. Press the ball into the role of single and double acting two types, single-action feature is the power source in the event of failure, the valve will be in the state control system requirements.

• brass water ball valve with lever handle

Advantage:

1. Small fluid resistance, the drag coefficient with the same length of pipe equal.

2. Simple structure, small size, light weight.

3. Close and reliable valve sealing surface material widely used plastic, sealing, and has also been widely used in the vacuum system.

4. Easy to operate, opening and closing rapidly, from fully open to fully closed as long as the rotation 90 °, to facilitate remote control.

5. Easy maintenance, simple ball valve, seals are generally activities, the removal replacement is more convenient.

6. Wide range of applications, from small to a few millimeters in diameter, large meters, high vacuum or high pressure can be applied.

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

Fan Coil Introduction

Fan coil uses

Central air-conditioning fan coil is a terminal unit, the heat exchangers, pipes, filters, fans, drain pan, exhaust valve, such as a stent, and its working principle is constantly recycled within the unit room air through the air cold water (hot water) after cooling coil (heat) to keep the room temperature constant.

Fan coil is now mainly used in offices, hospitals, research institutions and some other places.

Crew member

1. Fan

Fan is one of the main components of fan coil air conditioner, and it plays a role in air transport. At the same time, it is the driving force caused by the coil forced convection heat transfer, increase the heat transfer capacity. Currently, most of the fans in the fan coil vane centrifugal fans and cross flow fan.

2. Coil

Is a heat exchanger coil, fan coil units is an important component. It uses aluminum brass strings. There is also flaked tube production, usually for two or three rows of calandria tubes.

3. The air filter

It was filtered using coarse-porous foam material or fabric production, can be cleaned or replaced.

4. The blower motor

Usually capacitive circuits and oil-bearing, usually without refueling.

Typically it has a third gear shift to adjust the air flow, air volume control range of about 50%.

High static pressure duct fan coil unit

5. Case

Flush-mounted box is typically made of galvanized iron. Surface mounted to the tank surface spray paint or plastic, iron go through before spraying acid, phosphate and other treatment. Inside the box must have good insulation measures, the unit is running, to maintain good insulation effect, in order to avoid condensation enclosure.

6. The water tray

The suspect from the cold water pipe next to evaporate, and then flows out through the drain.

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

Noising cause and solution of home central air conditioning

1. Installation Issues

Workers install specialized technology is a big factor in air conditioning noise. Such as air conditioning duct at installation time to generate collision or debris falling into the outside fans, forget when loading or installation accessories will allow air conditioning earthquake have a greater noise when in use. In fact, these issues are usually relatively easy to solve. It recommended to choose when to install central air conditioning, be sure to choose a good central air conditioning installation services company, usually a large installation service company workers are trained to posts.

2. Compressor quality problems

Air conditioning compressor is the heart of the quality of the air conditioning compressor directly determines the size of the noise. Some low-end air-conditioning company because you want to control costs, the use of relatively inexpensive compressor. When using these compressors there was a loud noise is also very possible.

Therefore, users in the purchase price of the home central air conditioning can not be selected as the first element. Choose to focus on brand and quality of air conditioning, good quality central air-conditioning noise is correspondingly smaller.

3 .The wall is too thin

In addition to air conditioning problem itself and the quality of the installation process, the installation of a wall thickness of the external noise level of the machine is also very important factor. Some houses or thin wall hollow wall air conditioning unit at startup will cause resonance, produce low-frequency noise. The greater the power of the air conditioning, but also the relative noise will be. Therefore, when installation of air conditioning, try to install the workers choose thick walls, to avoid greater noise.

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

Faults and solutions generated in the operation of fan coil

In actual operation, engineering, fan coil systems often will be some failures, resulting in room air conditioning load decreases, less than the design temperature requirements. Use the fan coil number, dispersed installation, maintenance and repair is not in place will seriously affect their effectiveness. Therefore, the problems and failures in the operation of fan coil produced to be able to accurately determine the cause and to be resolved quickly.

First, the fan does not turn
Reason:
(1) power;
(2) low voltage;
(3) Incorrect wiring or loose terminals;
(4) failure or poor motor capacitor;
(5) switch is defective.
Solution:
(1) identify the reasons for or wait for restoration;
(2) check Cheongju reason, restore normal voltage;
(3) with a multimeter to check wiring and repair;
(4) to repair or replace the motor, capacitor check multimeter after use;
(5) repair or replace the switch.

Second, the fan speed but no wind or less wind
Reason:
(1) power supply voltage is not normal;
(2) reverse;
(3) There was blocked outlet;
(4) wheel anti-loaded;
(5) the air filter clogging.
Solution:
(1) identify the cause and restore the voltage to normal;
(2) changing the wiring or replace the motor;
(3) the removal of obstacles;
(4) the impeller being installed;
(5) Cheongju wash the air filter.

 Supply water chilled 4-way cassette fan coil units

Third, bad cold (hot) wind effect
Reason:
(1) valve opening is not enough;
(2) coil blockage;
(3) coils inside the air;
(4) power supply voltage falls;
(5) A clogged air filter;
(6) for (cold, hot) water shortage or abnormal temperature;
(7) Fan reversal;
(8) delivery, return air obstacles;
(9) airflow short circuit or uneven distribution of indoor air, improper equipment selection;
(10) temperature adjustment inappropriate.
Solution:
(1) Re-adjust the valve opening;
(2) Cheongju sweep discharge tube;
(3) the discharge of air from the bleed valve;
(4) identify the reasons for recovery voltage;
(5) Cheongju washed filters;
(6) regulating the water supply valve, check water temperature, adjust the cold (hot) source;
(7) the removal of obstacles to re-wiring;
(8) the removal of obstacles and adjust the air;
(9) To re-elect fan coil;
(10) to adjust the air quality.

Fourth, there are fan coil vibration and noise
Reason:
(1) fan coil poor installation;
(2) fan coil housing poor installation;
(3) fixing the fan loose parts;
(4) Duct on a foreign body;
(5) the fan motor is faulty;
(6) fan blades damaged;
(7) Outlet grille louvers loose
(8) Fan coil within air
(9) chilled water (hot water) flow rate is too high;
(10) into the water mixed with a large amount of air (air into the water system to form water hammer).
Solution:
(1) in accordance with the relevant standards and specifications, re-installation and adjustment of fan coil;
(2) Re-install the fan coil housing;
(3) identify the reasons for the fastening and adjustment of loose parts;
(4) removal of foreign matter on the way the wind;
(5) Repair or replacement of the motor;
(6) replace the fan impeller;
(7)Tightening or adjusting blinds fan outlet;
(8) to exclude the air within the heat exchanger fan coil;
(9) Check the water flow rate, and will adjust the normal water flow rate;
(10) Remove air in water

Fifth, leaking
Reason:
(1) poor precision air conditioning installation, drain pan tilt;
(2) leaking pipes;
(3) tube and condensate water dripping.
Solution:
(1) adjusted as required;
(2) replacement of water pipes;
(3) condensate water pipe should be re-insulation.

Sixth, the outer casing surface condensation
Reason:
(1) inside the enclosure damaged insulation;
(2) the housing when assembled in contact with the flame, the insulation has been burnt;
(3) fan coil casing seams have cold air leakage;
(4) indoor dew point temperature is too high.
Solution:
(1) repair the insulation inside the cabinet;
(2) the installation, do not make direct contact with the flame chassis repair, insulation will burn re-wrap;
(3) the leakage at the housing repaired;
(4) on the indoor dehumidified.

Seven, the outlet of a foreign body blow
Reason:
(1) due to corrosion caused by the fan blade surface corrosion products;
(2) air filter damaged, deteriorated;
(3) housing insulation material damage, deterioration;
(4) Too much dust in the fan coil.
Solution:
(1) replace the fan;
(2) Replace the air filter;
(3) the replacement of insulation material;
(4) cleaning dust inside the fan coil .

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.

The difference between single coil fan coil and double pipe fan coil

General air conditioning system with dual controls, namely winter heating and summer water supply cold water are carried out in the same system. This water system corresponding to the fan coil is a single coil form. Single coil with two rows and three rows of two kinds, for summer cooling and winter heating. The advantage of this system is the air conditioning system is simple, low initial investment; drawback is that the transitional season, some areas require heating and cooling when required in some areas, will not be able to meet the requirements.

Four-pipe air conditioning system cold and hot water are transported by two pipelines, the return pipe is cold and hot water each one. Such an air conditioning system corresponding pipe fan coil is double-disc form, it has a cold and heat pipe coils two coils. Such a system can supply hot and cold throughout the year at the same time, the flexible adjustment of the room temperature, and to ensure that the indoor air temperature; but the larger initial investment, the larger the area occupied by tube wells, water lines complicated, and there may be cold, hot offset shortcomings. If air is gathered in the coil, ranging from the effect of heat transfer, weight may lose drying effect. Return air from the bottom into the unit, and some arranged in the lower panel. Side air vents or openings can be used up, the wind direction has changed.

Low mute slim horizantal fan coil

Bright Best air conditioning is a chinese private group of companies established in 2012 and specialised in heating and air conditioning parts.

Our workers have years of production experience in fan coil unit,industrial valve,air curtain,air conditioning thermostat,corrugated stainless steel tubing.Mr Ding, our technical manager has eight years of experience in the field of air conditioning and refrigeration.

Brightbest is provided with quality certification according to ISO9001:2000 , SO14001:2004 ,CE and is strongly committed to customer satisfaction.

We guarantee each product through rigorous testing.Our goal is to provide quality products on a timely basis. We pride ourselves on our ability to offer technical knowledge and advice to our customers as well as product of the highest quality.

Our products have been exported to UK, France, Italy, Middle East, Australia,and Africa etc.OEM and minimum orders will be welcome.