VECTIOSPOWER TM PJ Compact air-air rooftop units Factory options and accessories (..continuation). Air filtration + stop-drop (Group 11) nOutdoor coil protective grille. Options to improve indoor air quality: nAntivibration mounts made of rubber. nDifferent combinations of filters are available: nStop-drop at the fresh air intake. This stop-drop and the Gravimetric filters G4 with low pressure drop. thermoenthalpic free-cooling are necessary in cases where • a high moisture content in the air is foreseen. •Gravimetric filters G4 standard type + folded opacimetric filters F7. •Gravimetric filters G4 with low pressure drop + folded Passive recovery (Group 16) opacimetric filters F7. •Dual-stage of folded opacimetric filters: M6+F7 or F7+F9. nThe rotary heat exchanger is fitted into a module placed on Classification of the filters according to the new ISO 16890 one side of the unit. This module is supplied disassembled Standard: with the unit, for installation on site. G4 → ISO Coarse 60% Available with CW assembly, and upon request, with CL • assembly. •M6 → ISO ePM2.5 50% This rotary recovery unit is used to transfer the sensible and •F7 → ISO ePM1 60% latent heat from the air-conditioned room’s return air to the •F9 → ISO ePM1 90% fresh air used for ventilation, before it’s discharged outdoors. Stop-drop in the indoor air coil. Recommended in cases This option reduces the compressors runtime, ensuring n where a high moisture content in the air is foreseen or when energy saving and benefiting the environment. the air flow is high. The efficiency of energy recovery depend on the wheel Note: with hot water coil it is not possible to assemble the selected: material, wheel diameters, channel cross section stop-drop. and type of speed control. Type of outdoor fan (Group 12) nAxial 2-speed outdoor fan(s) directly coupled to the motor. Watertight motor class F, IP54 and internal thermal protection. Dynamically balanced propellers and outdoor protective grille. Insulation (Group 13) nThermal and acoustic insulation A2-s1,d0 (M0) with sandwich panels with double wall, 50 mm thick, in all indoor section in contact with airflow. Indoor unit configuration (Group 14) Heat recovery module nCondensate drain pan in stainless steel for corrosion protection. nDifferential pressure switch to detect clogged filters as safety Extra heating (Group 17) protection. nHeat recovery coil (HRC). The coil function is to pre-heat the nControl of the overpressure. Assemblies that include a return air that will pass through the main indoor coil. For this, it uses fan allow the management of airflow differences between the temperature of an outdoor water installation. supply air and return air of up to 10%, setting up flow The coil is supplied with a 3-way valve for installation outside setpoints. Optionally, upon request, the fresh air damper the unit but manages by the electronic control. and the exhaust damper can be managed independently for This option is compatible with C0, CS, CQ and CT assemblies. greater airflow differences. This option may be necessary to prevent the entry of outside air or to eliminate odours from inside (CP, CQ and CW assemblies). Note: This option is not available on CT and CR assemblies Special applications (Group 18) because this type of control of the dampers penalizes cooling nLow return temperature application. recovery. This option is mainly focused to food storage, and can be applied to large warehouses installations. Outdoor unit configuration (Group 15) With this option, the unit adapts all its devices to manage low return temperature (15ºC) in cooling mode. This is possible nFresh air intake protection grid (mesh of 9 x 9 mm). due to some changes in the control operation parameters. CATALOGUE 2021 259 259