VECTIOS™ PJ Compact air-air rooftop units nKit 2: Antifreeze protective kit (<-14ºC). Mandatory for an External insulation (Group 13) outdoor temperature lower than -14ºC WB. nCeramic panel for thermal and acoustic insulation, with In addition to the options of -10ºC, this includes: Euroclass fire classification A2-s1, d0 (M0) in panels not Reinforced electrical heater for protection of the components removable in contact with the indoor air (top, bottom panel). • of the electrical cabinet. Note: the other panels and registers of the indoor unit always Electrical heater for anti-freeze protection of dampers of include thermal and acoustic insulation, with Euroclass fire • the mixing box (if applicable). classification A2-s1, d0 (M0). •Protective kit of the gas burner for low temperature (if applicable). Indoor unit configuration (Group 14) nKit 3: Kit 1 + Dampers of the mixing box with spring for automatic closing in case of a power failure. nCondensate drain pan in stainless steel for corrosion nKit 4: Kit 2 + Dampers of the mixing box with spring for protection. automatic closing in case of a power failure. nControl of the overpressure (available in CP, CQ, CW, TP and TW assemblies). In installations with different airflow in supply and return, to Available pressure of the indoor fan (Group 10) prevent the entry of outside air or to eliminate odours from inside, the fresh air damper and the exhaust damper will be nThere are 3 optional fans depending on the available managed independently. pressure: nDifferential pressure switch to detect clogged filters as safety •Low pressure (L): all models except for 0140, 0160, 0180, protection. 0190, 0280 and 0320. •Nominal pressure (N): all models. High pressure (H): all models. Outdoor unit configuration (Group 15) • Important: our “Selection Software” will choose the supply fan nFresh air intake protection grid (mesh of 9 x 9 mm). with lower consumption for the available pressure required. nOutdoor coil protective grille. nAntivibration mounts made of rubber. Air filtration + stop-drop (Group 11) nStop-drop at the fresh air intake. This stop-drop and the thermoenthalpic free-cooling are necessary in cases where Options to improve indoor air quality: a high moisture content in the air is foreseen. nDifferent combinations of filters are available: •G4 gravimetric filters with low pressure drop. Passive recovery (Group 16) •G4 gravimetric filters standard type + M6, F7 or F9 folded opacimetric filters. nThe rotary heat exchanger is fitted into a module placed on G4 gravimetric filters with low pressure drop +F7 or F9 one side of the unit (assemblies CW and TW). This module • folded opacimetric filters. is supplied disassembled with the unit, for installation on site. Dual-stage of folded opacimetric filters (M6+F7, M6+F9, This rotary recovery unit is used to transfer the sensible and • F7+F9 or F9+F9). latent heat from the air-conditioned room’s return air to the fresh air used for ventilation, before it’s discharged outdoors. Important: G4 filters standard type supplied from the factory This option reduces the compressors runtime, ensuring cannot be replaced by other types of filters because the energy saving and benefiting the environment. thickness of the frames is different. The efficiency of energy recovery depend on the wheel Classification of the filters according to the new ISO 16890 selected: material, wheel diameters, channel cross section Standard: and type of speed control. •G4 → ISO Coarse 60% •M6 → ISO ePM2.5 50% •F7 → ISO ePM1 60% •F9 → ISO ePM1 90% nStop-drop in the indoor air coil. Recommended in cases where a high moisture content in the air is foreseen or when the air flow is high. Note: with hot water coil it is not possible to assemble the stop-drop. 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. Not recommended with the optional active dehumidification and outdoor temperatures below 12ºC. Recovery module CATALOGUE 2021 241 241