Closed frame multicompressor units.
Frame and housing in sheet metal galvanized and painted, equipped with height adjustable shock absorbing feet and spirit levels, already sized to provide the unit with necessary options. 2, 3, 4 pcs compressors of the same size, supplied with shut off valves on discharge and suction lines, strengthened check valves on the discharge line. Built-in air-cooled condenser, connected to the discharge line. Suction header fully covered with insulating material (including individual compressor suction lines), junction for the low pressure probe fixing, discharge header, oil header with shut off valves on the lines of each individual compressor. Units are supplied with refrigerating circuit under helium pressure, already pressure tested and electrically tested. They are supplied already charged with polyester oil.

Optionals:

Vibration eliminators on discharge, suction and oil lines of each individual compressor.

Crankcase heaters.

Thermistor relays.

Pressure switches.

Differential oil pressure switch (for compressors equipped with oil pump).

Connection box with electric wiring.

Main switchboard complete with condenser control.

Oil separator with oil recovery line.

Oil equalization system.

Discharge line shut off valve.

Liquid receiver.

Liquid line (filter drier, sight glass and ball valve).

Suction accumulator.

Suction line filter and shut off valve.

Pressure gauges.

Emergency operation circuit.