● Refrigerant: R404A, R407C, R134A, R449A and other refrigerant.

● Electric system: standard with AC 3PH 380V/50Hz, AC 3PH 440V/60Hz, if necessary, can choose other electric system: AC 3PH 415V/50Hz, AC 3PH 460V/60Hz, AC 3PH 480V/60Hz, AC 3PH 690V/60Hz

● Compressor: single or multiple sets; Piston or screw type.

● Can use single refrigeration loop, also can choose double refrigeration loop, the unit is equipped with two independent refrigeration loop, each system separately configured with a compressor. When one of the refrigeration circuits is in operation, the other one can be used as a backup.

● Energy regulation: stepless or stepless (multistage optional).

● Marine shell and tube condenser: high efficiency corrosion resistant heat pipe, material can be hal77-2, B10, B30, titanium tube; Composite tube plate; Copper or iron end cover.

● Interchangeable dryer filter, washable/replaceable air filter.

● Protection function: high pressure, low pressure, oil pressure (oil level), low water pressure (water), lack of phase, refrigerant water anti-freezing, overheating, overload, etc.

● Control mode: automatic or manual control.