Self-supporting galvanized steel frame protected with polyester powder painting. Panels are easily 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 vibrations absorbing rubber and placed within a close compartment to reduce sound level and to allow service and maintenance
activities while the unit is in operation.
Braze welded plate type with one or two independent refrigerant circuits and one water circuit. The circuit is made to guarantee an homogeneous cooling of all the water flow even during partial load. The insulation is made of flexible closed-cells lining.
As protection, a flow switch is recommended to be mounted to stop the unit in case of no water circulation.
Copper tube and aluminium finned coil. As option a filter/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 refrigerant circuits. Each circuit includes: filter dryer, sight glass, electronic thermostatic valve, Schrader service valve. To protect the refrigerant circuit the following devices are installed: manual reset high pressure switch, automatic reset low pressure switch, antifreeze thermostat. The Heat Pump Units version contain, in addition: safety thermostat on the discharge line, 4-way valve, non-return valve, two electronics thermostatic valves, liquid receiver and, if
necessary, li-quid separator on the compressor suction line.
With protection grade IP54 the el. board is mounted in the compressor chamber. Service activities can be done while the unit is in operation. It includes: main circuit automatic breaker with locking door device, compressors and fans contactors
and relé, auxiliary circuit transformer. Microprocessor to control automatically the unit with a visual system to display the function as well as failures.