Self-supporting galvanized steel frame protected with polyester powder painting. Panels are easly removable for maintenance and service activities.
Hermetic «scroll» type with overload protection by a klixon and complete with oil sight glass. They are installed on vibration absorbing rubbers and placed within a closed compartment to reduce sound level and to allow service and maintenance activities while unit is in operation.
Copper tube and aluminium finned coil. As option a protection grid is available.
Axial fans with aerodynamic outline blade section made of Al/Mg, directly coupled to a three phase electric motor with external rotor. A safety fan guard is fitted on air flow discharge.
Each unit is equipped with one or two refrigerants circuits. Each refrigerant circuit is complete with 2 service valves: 1 off on the suction line, 1 off on the discharge line. To protect the refrigerant circuits, following devices are installed: manual reset high pressure switch and manual reset low pressure switch. Besides, where foreseen, manual reset safety pressure switches and safety valves. In the heat pump unit (H-version) the refrigerant circuit contains, in addition: safety thermostat on compressor discharge line, 4-way-valve, thermostatic valve, dryer, no-return valve, solenoid valve, liquid separator on compressor suction line.