Products characteristics: J series production owns many patent protected technologies. Provide amount of fresh air on any time, multi-air purifier, Ensure customers comfortable and healthy by bus at most. Maximal rate of transform air is once per minute, it brings you fresh air through multi-air purifier and refrigerated. Mixed machine of fresh air and recursive air, it can setup percentage of fresh air from 0 100% expediently. As protected by patent, the design of excessive air set can avoid quiet pressure in bus out of limit; ensure customers comfortable by bus. Add the equipment of multi-air deodorization, dust-eliminated, sterilization, such as activated, light catalyze etc. Ozonizer is fixed selective, it can purify air farther. Global stock, all accessories come from famous manufacturer.Regular parameters----- Item Technical parameterDYZJD28DYZJD33DYZJD35Cooling capacityKcal/h 220002400026000280003000032000Type of vehicles8.5-9m 8.5-9m 10m 10m-11m 10m-12m 11m-12m RefrigerantR134aCompressor BITZERCondenserType High-strength Fiberglas, Roof mounted Core TypeGilled tubeFan AxialEvaporatorTypeFiberglas, Roof mountedCore Type Gilled tube FanCentrifugalAir intakeWith fresh air mixture deviceMulti-air purifier Activated carbon, light catalyst and ozone generator (optional fixing) Safety setting Pressure & TemperatureAutomatic protection under abnormal conditionControl Cooling air volume adjustment L,M,H three step; Circular selection by soft toggle switch Temp controlAutomatic control from 15 to 30;show actual temperature Trouble codeThe trouble of refrigerant pressure, voltage and sensor