Description
Convenient and Efficient
The outdoor condensing section of the commercial rooftop hvac units adopts the modular design concept. it meets different cooling requirements through module splicing. It has strong functions in cooling capacity expansion, standby, and rotation, which greatly simplifies the unit design and manufacturing time and greatly shortens the delivery period.
Complete Functions
The rooftop air conditioning unit has complete functions, such as cooling only type, electric heating type, constant temperature and humidity type, heat pump type, clean type, fresh air type, etc. Rooftop hvac unit can be equipped with various functional sections to release various functions of cooling, and heating. humidification, dehumidification, air purification, noise reduction fresh air, energy saving, etc.
Flexible Design
The residential rooftop ac unit contains the integral type and split type, a logical layout, the split type unit is consisted of evaporative air supply suction and compress condensing suction, unique structure design makes the refrigeration system and ventilation system the perfect combination.
Space Saving
The commercial rooftop heating and cooling units are specially designed for installation and operation on the rooftop and in the open air. Thus, it is free of machine room or other indoor space, Moreover, it has a good performance of sun-screening, is corrosion-resistant, and is rainproof.
Money Saving
As the air-cooled direct-expansion air conditioning equipment, the unit does not require cooling water or chilled water and terminal equipment, etc. This greatly reduces the initial investment implication in equipment.
Special Treatment
According to the specific requirements of the use of occasions, the rooftop air conditioning unit can be made explosion-proof preservative treatment. They can be widely used in oil, chemical industry, metallurgy, military industry, pharmaceutical industry, etc, which have or may have llA, lB grade, T1- T4 group flammability gasses, steam and air mixed formation of an explosive gas mixture of 1 – 2 area of the occasion.
High Efficiency and Energy Save
High-Efficiency Heat Exchange Technology
Shenling air conditioning high-efficiency heat exchanger, using Shenling R&D center and national postdoctoral research stations lasted several years of research and development process of high-efficiency energy-saving core technology, the application of the independent development of a number of patent technology, such as high-efficiency heat exchange tube, pure countercurrent heat exchanger, evaporator points fluid system, etc. combined with in heat flow road, layout and structure optimization and heat exchange reinforcement technology, and the use of computer simulation and air dynamics design of the air duct system, greatly improve the unit heat exchange performance.
System Matching Optimization Technique
Shenling R&D Center uses computer simulation optimization technology for large air conditioning systems, through the computer simulation of the actual working process of the refrigeration system, simulation of system parameters phase coupling and system components phase matching, and through the simulation analysts and parameter optimization, and constantly enhance the system design, to meet the best performance condition, so as to improve the system of refrigeration efficiency.
Well-adapted
Refrigerating capacity range covers 30kW -570kW, divided into integral and split into two types, so as to meet different air conditioning requirements.
Unit is air-cooled direct evaporation type, does not require cooling water or chilled water system and terminal equipment, etc. This greatly reduces the initial investment implication in equipment and is greatly easy to install and use.
Unit designed for roof open installation and used, low noise, high static pressure, small vibration, sealed performance is good, have prevent the sun insolates and corrosion, prevents heavy rains, such performance, easy installation, appearance beautiful, no special room, do not take up indoor effective space, fully satisfy the installation and use of the environment.
The unit has refrigeration, heating, air purification, noise elimination and fresh air energy saving, and other functions.
The hvac rooftop unit can provide electrical heating, hot water heating, and steam heating.
Provide the different connected duct modes and various return and supply air modes.
The various standards of external pressure can be selected.
Set the fresh air inlet suction, can validly improve air quality.
Provide various environmental protection refrigerants, e.g.R410A, etc.
Provide suitable and various non-standard power supplies (e.g.3-380V-50Hz、 3-400V-50Hz.3-415V-50HZ、3-440V-50HZ、3-380V-60HZ、3440V-60HZ、3460V-60HZ、3480V60HZ eC)if you need, please explain when you signed order.
Widely used in large factory buildings, workshops, and other industrial manufacturability occasions and theatres, galleries, passenger station buildings, and the comfort air-conditioned occasion of the environment temperature, humidity, and cleanliness of the control.
High Reliability
Shenling Company is with more than 20 years of professional air conditioning manufacturing experience in crystallization, advanced design technology concentrated expression.
1SO9001 international quality guarantee system, strict production process quality control.
Unit is a famous brand outer balance type thermal expansion valve, making it’s in different conditions, with automatic balance the characteristics of the refrigeration system.
Imported from American OAK heat exchanger production line, Japan AMADA/Germany TRUMPF CNC sheet metal production line, Germany WAGNER electrostatic pov/der painting line, automatic processing equipment, excellent technology, and quality guarantee.
Evaporator, condenser parameters of the professional software selection calculation, accurate matching
The unit has multiple security protection, high and low voltage systems, compressor over-current, phase lack motor overload, heater temperature excursion, short circuit, time delay activated, and fault detection and alarm functions. ensure the operation safety of the generating set.
The unit adopts an internationally famous brand high efficiency and energy-saving compressor.
The Scroll compressor adopts an internationally famous brand energy-efficient totally enclosed vortex, with high efficiency, low noise, little vibration, reliable operation, long service life, etc; Unit with a double system or more systems, energy control, automatic control unit output cold quantity, saving energy save electricity. Scroll compressor structure design is simple, with fewer parts, a double vortex disk compression structure, and high precision mechanical structure. each unit uniform. make the friction drag down to the lowest, fine processing of double vortex disk, bite tight; Run smooth, quiet operation.
The screw compressor uses the world-famous brand new generation highly efficient IPLY double screw compressor, high efficiency forthwith patent asymmetric tooth type, the unique radial bearing component force, and axial thrust balance drum design to ensure motor temperature rise is small, the unit operation in a wide range of degrees can bear larger compression ratio, real-time response to changing conditions, the use of safe, compressor with discharge energy control device, can realize multi-stage or step-less energy regulation.
The unit adopts famous brand low noise energy-saving axial flow fan
The energy-saving fan blade is wide external and narrow internal type, makes full use of outer string peripheral speed high characteristic, improves blade gas workability, the centroid of section lines of the bending is space distort the shape, the size of the limited space in the premise, effectively improve the impeller of the effective work area. inner string place installation Angle control to prevent gas in the root to take off the flow, internal and external string installation Angle of the reasonable control to prevent the flow of radial flow ad reduce the secondary flow. Make this fan have a smooth operation, low noise energy saving, etc. Fan motor by high aluminum shell motors, lu: xingcai motor shell can guarantee motor excellent heat resistance, and low-temperature rise, ensuring the machine for the long-term operation life.
Therefore, the low noise energy-saving axial flow fan with high efficiency and energy saving, low noise, big air volume, and condensation effect is good, etc: Fan motor protection level to achieve lP55, dustproof, splash water. safe and reliable operation.
Adopt the famous brand accessories, safe and reliable guarantee
Unit accessories such as expansion valve, solenoid valve, depending on the liquid lens, pressure gauge, and high and low-pressure protector, etc, were picked from domestic and international famous brands of products, superior performance, to ensure that the unit operation is stable and reliable.
National product performance test center
Enthalpy potential muli-function testing center, advanced detection, the experiment equipment for unit provides the strict test, can effectively guarantee the product excellence performance.
The scientific and strict quality inspection means 100% delivery inspection, to ensure that the product quality is stable and reliable.
Advanced technology
Integrated application of many patent technologies, such as strengthening heat transfer technology.uniform points fluid technology, patent muffler device, patent out fan cover, etc.
Have the compressor operate an automatic rotation control function, in order to balance the compressor running time, prolong the service life of the compressor, Compressor at the same time with the lowest running time, minimum downtime, same compressor two start minimum time interval, and different compression between the start interval, the former can limit compressor in a certain time of the start-stop frequency, prevent compressor start-stop frequently. The latter staggers the compressor’s start time, reduces the startup current, and reduces for compressor start to the user the impact on the power supply network.
Heat pump units use intelligent defrosting technology, to improve the efficiency of heat pump units.
Intelligent control
Humanized microcomputer control system, friendly control interface, simple and quick operation procedures, and sophisticated central air conditioning control concept perfect combination.
Can through the control interface remote installation, or provide remote on-site double control interface to realize the user’s remote control. the convenience of our customers a real-time control of the unit state, and at any time be in progress control. By increasing the fittings and taking necessary measures. remote control interface from the host can reach 300 m distance, satisfying most use requirements.
The unit provides a remote control switch interface, the user can also in the distance installation a simple remote control switch as can convenient start-stop unit.
The precision unit adopts high precision of temperature and humidity control of PLC control and Pl control technology, multistage energy regulation, indoor temperature, and humidity rise and falls small, in the selection reasonable, room seal, heat preservation measures such as doing good premise, temperature precision can reach:08 C humidity precision can reach 士5%.
The precision unit can be an automatic monitoring unit operating on various parameters (such as return air dry bulb temperature, return air relative humidity, unit total run time, etc.) and running state and, if necessary, provide alarm information, and provide the common fault removal method.
Interruption of the power supply parameter keeps a memory, if before the power is off, the unit is operating, after recovering the power supply, the unit will automatic starting, reducing air conditioning management burden.
The variety of security protection functions ensures the safety and reliability of the unit. e.g.:
Compressor high and low voltage protection:
Compressor motor and fan motor overload, overheating protection;
Electric heating overtemperature protection
Fire alarm outage protection
The control interface provides password protection and prevents the wrong operation.
Many units can network communicate and realize the rotation of spare integrated control, the largest can reach 8 pieces, the customer can choose each module individually configurable hand device, and also can choose all modules to share one hand device to control.
Also according to the customer’s requirements, choose a different controller or increase the different options to support different communication protocols, such as common:
Specification
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