VECTIOS™ PJ Compact air-air rooftop units Unit components Easy access to the outdoor unit by Electronic axial fans for high seasonal lifting the top panel with the fan(s) efficiency and low noise level Multiple energy recovery options on the extracted air High efficiency cooling circuits for R-410A with electronic expansion Assemblies with mixing valves box andfree-cooling management Possibility of thermal and Folding hood cover acoustic insulation for transport A2-s1,d0 (M0) Dual high quality Plug-fans (free-wheel) locking system with EC motors Indoor air quality using different On-site easily convertible combinations of gravimetric and airflow directions opacimetric filters (supply and return) Different heating backup options: electrical Double wall Removable condensates drain heaters, hot water coil, gas burner, boiler... insulated panels pan for easy cleaning Casing with an optimized profile), running at very high operating nCasing made of galvanised steel metal with polyester paint, pressures. white colour RAL 7035 and graphite grey colour RAL 7024. •Greatly increased motor efficiency. Permanent magnets nNew self-supporting frame that allow the transport of two DC motors activated using electronic switching integrated stacked units and without the need for a wooden pallet. into the motor itself. nRemovable panels for easy access to all components: •Variable speed to ensure a constant supply air flow rate, electrical cabinet, compressors, fans, filters, etc. independent of the filters clogging level. •Measuring the flow rate thought a calibrated section at the Outdoor unit fan intake and a differential pressure sensor allows the control to handle the flow rate reliably and precisely in both nCoil with copper pipes and aluminium fins. on CAV and VAV systems. nEC electronic axial fan(s) which adapt the rotation speed to nReusable gravimetric air filters G4, mounted on a frame. Dual the installation’s requirements, thereby reducing electricity locking system mounted on the access panel to filters. consumption, the sound level at partial charge and improving Isolated pan of condensates drainage sloping down towards the unit’s average seasonal efficiency. n the drain. This pan is removable for easy cleaning. The cover with the motor fan(s) may be lifted to access the inside of the outdoor unit. Cooling circuit Indoor unit nHermetic scroll-type compressors Thermal and acoustic insulation, in double wall panels and in tandem design that improves the n management of stages and the part registers, with Euroclass A2-s1, d0 (M0) fire classification. load efficiencies, assembled over nCoil with copper pipes and aluminium fins. antivibration mounts. Relay for phase- nEC electronic supply plug-fans with variable control speed sequence monitoring and phase loss and flow rate controller. protection. In tertiary sector installation, a high percentage of the annual nCrankcase heater. air conditioning energy consumption comes from the use of nElectronic expansion valve(s). fans for transporting air. Using fans which are more efficient Four-way cycle reversing valve(s) (heat pump units). has a direct impact on reducing consumption. Plug-fans with n direct drive and variable speed offer the following advantages: nAcid-resistant filter(s) dryer. Elimination of friction losses during transmission thanks to nCooling design: • the direct drive. •1-air volume: IPJ models 0090 to 0190 and RPJ models. •Greater aeraulic efficiency of the rotor (reactive blades •2-air volumes: IPJ models 0200 to 0380. CATALOGUE 2021 235 235