Open frame multicompressor units.

Modular screwed frame in galvanized and painted steel sheet, equipped with shock absorbing feet adjustable in height and spirit levels. 3 or 4 pcs.
Hermetic or semihermetic compressors, equipped with crankcase heaters and strengthened check valves on the discharge line. Suction header fully covered with insulating material (including individual compressor suction lines), junction for fixing the low pressure probe, discharge header, oil header.

All units are supplied with their refrigerating circuit under helium pressure, already pressure tested and electrically tested. They are all precharged with polyester oil.

Single-phase units are equipped with shut off valves on the main discharge and suction lines. On three-phase units each compressor is fitted with shut off valves on discharge line, suction line, oil line and crankcase line.
Oil equalization manifold with level indicator.
Oil separator for each compressor on three-phase units.

Optionals:

Built-in air-cooled condenser and liquid receiver.

Built-in electric switchboard equipped with instrument and low pressure probe (already mounted on the suction header) controlling both start and rotation of compressors; condenser fan speed regulator also included.

Pressure switches.

Heated switchboard.

Voltage monitor.

Suction line filter.

Water-cooled condenser.

Different voltage.