The cooler (evaporator) be suitable for different applied temperature of the cold room from -30oC to 5oC.
1. Coils: 9.52mm or 16mm copper tube and aluminum, fin spacing 4.5mm; 6mm; 9mm;
2. Casing: prepainted steel board
3. Defrost: defrosting by electric heater or water
4. Motor: Axial motor and external rotor motor are both available
5. Testing of Pressure and leaking by 28 bar with dry air and charged 1bar Nitrogen in the Inner tube;
6. Refrigerant: can use R22, R134a and R404A;