Hermetic compressors have an operating frequency ranging from 30 to 90 Hz (on a few models only max. 85 Hz) and are equipped with crankcase heater.

Inverter for compressor speed control.

Low pressure probe connected to the inverter, installed on the suction line.

Terminal board inside the switchboard pre-arranged for the connection to a remote control device, e.g. thermostat.

All units are equipped with low and high pressure switches with automatic reset. This outfit complies with the provisions of the “Pressure Equipment Directive” 97/23/EC.

Panel provided with pressure switches, service valves and pressure gauges accessible also when the unit is in operation.

Liquid line including solid core filter and sight glass.

All units are equipped with a liquid receiver complying with the provisions of the “Pressure Equipment Directive” 97/23/EC.

Suction accumulator.

Condenser's electronic fan speed regulator.

Floor-mounted unit. Guides for lifting forks in the lower part of the frame.

On low noise units, soundproof compressor compartment and 6-pole fans.

Pipe couplings are either unions or solder flanges.

The fan holding panels can be placed both on the front and on the cover of the unit (if necessary, it is possible to change the fan position also after the unit has been installed).

Optionals:

Special voltage.

Water-cooled condenser: units equipped with water-cooled are also provided with a pressure controlled water valve controlling the condensation; low temperature units are also provided with a compressor cooling fan.

Voltage monitor.

Switchboard heater.

Pressure gauges.