... componentsWorld famous brand refrigeration parts are employed for all products:Copeland ZB scroll compressor;6 pole fans with low rotation speed; ... devices for phase sequence, over loading ,sub-heating ,lack of phase , high & low pressure etc.3. Model codeXJ W 03 L A ... YRefrigerant ,Y R404A, empty: R22Fan dierction, A side diecttion; B top directionTemperature, M: - ...