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Ultra-low temperature water-cooled screw chillers Industrial (-35 C)
Superior performance * The host using the most advanced semi-closed 5:6 screw compressor, motor, compressor seal leakage to non-integrated design, energy efficiency higher than 20% of the compressor -30%; * Two or more compressors with compressor start, stop cycle control program, can balance the load, extend the service life of units; * Two or more unit multi-compressor refrigeration circuit, one of the circuit to be repair and maintenance, the remaining circuit is still running, with a standby function; * Compressor unloaded voltage starting, to avoid the impact on power. * Unit chilled water temperature can be controlled in -35 °C or more; * Units can be installed under the environment protection and energy needs of the heat recovery unit that can produce free hot water in the cooling time.
Easy to install * Unit has compact, small footprint, saving room space; * Machine factory, has been completed strictly debug switch set, fully meet the design state; * Minimal vibration, no special isolation measures based, easy to install; * Installation just connect the evaporator and condenser cooling water, chilled water pipes.
Operation and maintenance costs low * Unit changes according to the load, the intelligent process control: 100%, 75%, 50%, 25% (or start), 0, saving energy; * Only the total number of reciprocating screw compressor part 1 / 10, simple structure, less wearing parts, no suction, exhaust valve, is not sensitive to humidity trip, very low failure rate; * Screw compressor failure-free operation up to 40,000 hours. Characteristics of screw compressor * Imported from France and efficient use of fluoride-resistant motors, high efficiency, good reliability; * The latest third-generation 5-6 asymmetric profile; * Continuous capacity control four paragraphs unloaded capacity control system; Si Woer effect of the oil separator; * Supporting the German and Swedish SKF FAG precision bearings; * Low vibration and low noise. * Compressor has been ISO9001, CRAA, CE, PED, UL and many other international quality certification and patented in many countries in Europe and America.
Microcomputer control * Germany "SIEMENS" PLC programmable LCD touch screen controller, the whole man-machine interface (or English) text display; * Automatic monitoring of cold water temperature and operating conditions, through PLC auto control slide valve, regulating operation of the compressor level, the effective use of tracking on-site load; * Display animated visual display and clear, the unit's operating status, including the compressor operation, water flow conditions, temperature, run time is directly displayed at a glance; * Automatic record-keeping unit failure alarm the recent circumstances and time of occurrence, and issued troubleshooting tips; * Based on actual needs, the content of the original amendment (with a password). Such as access to water, the location of capacity control, the unit of the protection point, pressure. * According to the needs of remote or central monitoring. Security functional * Pressure protection: automatic refrigeration system high and low pressure protection device; * Power protection: under-voltage protection, phase protection, reverse phase protection, overload protection, motor overheat protection; * Frost protection: When the chilled water temperature is too low, the unit automatically shut down; * Safety valve protection: When the refrigerant pressure exceeds a certain value, safety exhaust valve will automatically open; * Delay Protection: compressor delay start protection against compressor frequent start-up; * Water conservation: When the water flow stopped or reduced, continue to run when the unit will automatically shut down against units;
Refrigeration Components / Electrical vitality of With world brand contactors, relays, thermal protection, expansion valves, pressure control, filter drier, to ensure the reliability of the unit.
For occasions SCH series of industrial chillers wide range of uses for plastic pipe, electroplating, painting, electronics, fine chemical, pharmaceutical, food additives, corn deep processing (starch), mushroom cultivation, grain and oil production, solar PV industry (polycrystalline furnace, single crystal furnace, polycrystalline silicon, monocrystalline silicon, cut side machines, slicing machines), air separation, real ice skating rink, the automotive environment test chamber, the engine intake system / all rooms air conditioning, refrigeration, cold storage, chemical and pharmaceutical intermediate, non-ferrous metal, metallurgy, food processing and preservation industries.
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Ultra-low temperature chillers (-35 C)