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Horizontal concealed fan coil

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First, the product profile
Fan coil mainly by the centrifugal fan, coil heat exchanger and other components, is the central air conditioning system terminal device. It is widely used in hotels, restaurants, factories, hospitals, exhibition halls, shopping malls and office buildings and other large rooms or large space industrial and civil construction of air-conditioned occasions to meet the requirements of cooling and dehumidification, heating, for people to create a fresh, Four seasons such as spring work and living environment.
Shandong Century Changlong New Energy Co., Ltd. to provide customers with new high-quality products, the company produced the use of standard fan coil, compact structure, small footprint, easy assembly and disassembly and maintenance. The body is running smoothly, low noise, small water resistance, light weight, high efficiency, long life, is an ideal air conditioning equipment.
Shandong Century Changlong New Energy Co., Ltd. Fan coil implementation of national standards:
GB / T19232-2003 "fan coil unit"
GB50243-2002 "ventilation and air conditioning construction quality acceptance standards"
GB50736-2012 "Civil building heating and ventilation and air conditioning design specifications"
And by the National Compressor refrigeration equipment quality supervision and inspection center inspection, the indicators have reached the national standard, some indicators better than the national standard requirements.
 Second, the product advantages:
1, product appearance, structural design is reasonable, stable atmosphere, highlight the high-end.
2, the product cost is high, the unit hot and cold performance is higher than the national standard more than 15%.
3, the surface cooler with high quality and efficient copper tube sets of aluminum fin structure, matching φ7 and φ9.52 brass, the use of hydrophilic window finned aluminum fins, the overall mechanical expansion tube once completed, the combination of tight and uniform, Performance significantly improved.
4, condensate tray comes with drainage gradient, drainage more smoothly.
5, sheet metal corner design into a circular arc, increase safety, improve the quality of beauty.
6, the versatility of parts, easy to line operations, high production efficiency, short processing cycle.
7, optimize the fan and motor matching selection, improve the fan efficiency, lower noise.
8, the overall height is low, saving installation space.
 Third, the product features
1, safe and reliable, long life
2, each coil heat exchanger has been pressure test; inlet and outlet (collecting head) forged brass structure, reliable and durable; condensate pan spray treatment, no rust; insulation material is fire; Low noise bearings, no user refueling maintenance, the service life of up to 35000 hours; motor slender shaft with special treatment without rust.
3, high efficiency, energy enough
4, the use of seamless copper tube string sets of high-efficient double flanging aluminum ribs and inflated into one, high heat transfer efficiency, cold (heat) the amount of rich.
5, air volume, low noise
6, the use of wide-angle volute, steel leaf system, multi-leaf centrifugal wind wheel, wind wheel and motor can have a variety of priority match to meet the fan coil unit specifications and different wind pressure requirements.
7, versatility, light weight
8, the fan coil structure around the water can be transformed, easy to connect the water pipe, the fan coil air conditioner unit power cooling capacity in the industry leading.
Third, the structural characteristics
1, surface cooler:
⑴, surface cooler with high quality and high efficiency copper tube sets of aluminum fin structure, matching φ7 and φ9.52 copper tube, the use of hydrophilic window finned aluminum fins, aluminum fins thickness 0.115mm, the overall mechanical expansion tube once completed, Segment combination of close uniform, high heat transfer efficiency.
⑵, fin punching for the double-turn sine wave-shaped window-shaped aluminum fins to ensure that the film evenly spaced, uniform air velocity, heat transfer uniform, consider the wind resistance, water resistance, fan motor power, heat transfer area and other factors, through the computer Auxiliary optimization design, so that the film spacing to achieve the optimal value, while ensuring the heat transfer under the premise of the minimum water resistance.
⑶, the use of highly efficient anti-corrosion hydrophilic film aluminum fins, the surface to do anti-corrosion treatment, the condensate flow smoothly down to reduce the condensate on the fins of the stagnant time, easy to fouling, reduce the wind resistance, reduce the fan wet operating conditions Air volume attenuation, improve heat transfer efficiency.
⑷, the heat exchanger of the conventional airtight detection pressure of 2.0MPa or more, to ensure normal operation at 1.6MPa pressure.
2, fan:
⑴, the use of low noise centrifugal metal fan, the shell material for the galvanized sheet, fan impeller for the double into the wind, centrifugal metal impeller, the material for the hot-dip galvanized steel; after a rigorous dynamic balance detection to ensure its excellent aerodynamic performance And low noise operation.
⑵, fan volute for the overall formation of the mouth, the material for the galvanized steel, vortex inner surface smooth and no air leakage, improve the wind turbine performance, reducing noise.
⑶, the fan motor for the low-noise single-capacitor three-speed motor, the use of high-quality cold-rolled non-oriented silicon steel, comes with insulation, electromagnetic power conversion efficiency; motor coil built-in thermal protection sensitive components, overheating automatic protection to prevent burning motor.
3, bearing
⑴, motor bearings self-aligning oil-bearing closed bearings, ultra-low noise, no refueling, maintenance-free.
4, water tray:
⑴, the use of high-quality cold-rolled steel sheet tensile molding, the surface using spray treatment, high strength, no leakage, strong corrosion resistance. External paste flame retardant insulation layer, the overall bonding, to ensure that no secondary condensate, but also according to user needs to increase the length of condensate pan.
⑵, condensate tray comes with drainage gradient, drainage more smoothly, to reduce the water tray surface of the bacteria and corrosion.
5, the unit shell:
Concealed product shell using high-quality galvanized steel or galvanized steel plate, the unit with cold water, cold air contact, paste the flame retardant insulation layer, effectively prevent the cold bridge and condensation occurred.
6, safety performance:
The unit's motor wire is protected by metal hose, and the moisture is difficult to enter. The high and low voltage start, electrical strength, insulation resistance and leakage current of the unit meet the safety standard JB-J72-018.
 (D) production process equipment and testing methods:
Main processing equipment:
① high-speed fin production line 4 (processing heat exchanger fin);
② high-precision multi-station CNC turret punch 2, 10 ordinary punch (the unit of sheet metal processing);
③ laser cutting machine 2, CNC hydraulic bending machine 4, cutting plate machine 4 (unit of sheet metal processing);
④ vertical machine up tube 2 (the expansion of the heat exchanger);
⑤ automatic welding machine 2 (heat exchanger copper welding);
⑥ programmable automatic pipe bending machine 4 (heat exchanger elbow production and U-tube production);
⑦ the highest annual output of 20 million units of the plate chain fan coil assembly line two.
(5) reasonable scientific processing technology

 Factory inspection
The factory has been rigorously inspected by the appearance, the pressure and sealing test, the start and run test, the insulation resistance test and the electrical strength test to ensure the safe and reliable operation of the unit.
 (6) fan coil installation precautions
◆ fan coil unit in the handling process to be careful, not to bear the weight of the unit, is strictly prohibited by hand wheel, volute handling unit.
◆ unit in the installation process to ensure that the fan, coil, shell, insulation layer and other components intact, so as not to affect the unit performance.
◆ fan coil unit installation to ensure that the main level, the unit must be installed firmly and reliably, at the same time, the unit should also be left around ≥ 600mm maintenance space.
◆ unit only to bear their own gravity, can not afford the duct, water pipes and other objects of external force.
◆ Take care when taking over, can not make any deformation and distortion of the unit connector.
◆ incoming, back, drain connection sealed and reliable.
◆ pipe must be insulated, into the return pipe to install the valve.


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