1. The cold-free bridge structure with box frame and insulation board is smooth, cleaner and more energy-saving.
2. Sealing technology of seamless sealing strip of box insulation board ensures that the air leakage rate of the unit is less than 1%.
3. Installation of integral filter frame and sealing technology of seamless sealing strip of filter to ensure no air leakage.
4. The new design of surface cooler pipeline ensures that the water in copper tube of surface cooler can be thoroughly discharged.
5. Antifreezing devices of surface coolers are installed in northern areas to ensure that surface coolers do not freeze and crack in winter.
6. Unique design of steam pre-heating pipeline in northern area to ensure normal operation of pre-heating.
7. Design and install negative pressure water seal on three sides of water plate in surface cooling section to ensure smooth flow of condensate.
8. FAT (Factory Acceptance Test) is a professional testing platform, National Air Conditioning and Ventilation Laboratory.
9. Complete validation documents for purification air conditioning unit (FAT SAT DQ IQ OQ).