●HVAC-□ explosion-proof heating ventilation and air conditioning unit is certified by the European Union ATEX, IECEX, CU EAC and the national CQST explosion-proof certification. It can be used in hazardous area Zone 1 and Zone 2 locations classified in GB3836.14.
●Applicable to oil, chemical, marine engineering and other industries in the normal working environment with the classification according to GB3836.1: IIA, IIB, IIC category, temperature group T1 ~ T4 group of explosive gas mixtures on-line analysis cabin, control room, Operating rooms, electrical rooms, etc. require positive pressure, ventilation, and regulate indoor temperature and humidity.
◎ The unit is designed to meet the requirements of the industrial environment and can be continuously operated in the harsh environment of industrial production for a long time.
◎ Unit frame adopts hot dip galvanized sheet or stainless steel plate for molding, high strength, good stability, outdoor service life of up to 20 years;
◎ The refrigeration system, control system and fan system of the unit are all made up of brand-name products and high-quality materials. The unit has high reliability and stable performance.
◎ The air-conditioning explosion-proof structure design and manufacturing safety and functionality of the perfect combination of components using a variety of forms of explosion-proof structure, the whole explosion-proof structure for the composite composition;
◎ The heat exchanger adopts aluminum thread fins with inner thread copper tube and hydrophilic membrane.
◎ unit shell spray anti-static coating;
◎ Various refrigeration and electrical safety protection measures to ensure normal operation of the unit;
◎ Adopt Siemens PLC programmable controller or MCU controller;
◎ Large-screen LCD operator displays unit operating parameters;
◎ The unit can be fully automatic unattended operation
Options under different operating conditions:
◎ stainless steel (S304 or S316L) shell;
◎ heat exchanger: female copper sleeve copper fins;
◎ heat exchanger plus anti-corrosion coating;
◎ Refrigerant: R22, R407C, R134a;
◎Special low temperature area models;
◎ Marine standards are manufactured according to DNV, ABS;
◎Chemical filtration device (filter media selected by the user);
◎ Provide remote control communication interface;
◎ The unit can provide various alarm interfaces according to the user's requirements;
◎ Special conditions The product can provide solutions.
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