VECTIOSPOWER TM PJ Compact air-air rooftop units Main features High efficiency cooling Electronic axial fans for high seasonal efficiency circuits for R-410A with and low noise level electronic expansion valves and scroll-type Energy recovery on the compressor in tandem extracted air (active recovery or with rotary heat exchanger) Plug-fans (free-wheel) with EC motors Assemblies with mixing box and free-cooling management Weight reduction and optimization of dimensions (intended for transport in containers) Folding hood cover for transport Aluminium panels, registers and dampers Dual high quality locking system On-site easily convertible supply and return airflow Indoor air quality using different directions (lateral and combinations of gravimetric and lower) opacimetric filters Different heating backup options: Possibility of thermal and acoustic insulation A2-s1,d0 (M0) with electrical heaters, hot water coil, sandwich panels with dual wall 50 mm thick placed on the entire gas burner... surface of the indoor unit in contact with air Unit components Casing •Greater aeraulic efficiency of the rotor (reactive blades nStructure made of galvanised steel metal.Panels and with an optimized profile), running at very high operating registers in aluminium. Finished with polyester paint, white pressures. colour RAL 7035 and graphite grey colour RAL 7024. •Greatly increased motor efficiency. Permanent magnets Removable panels for easy access to all components: DC motors activated using electronic switching integrated n electrical cabinet, compressors, fans, filters, etc. into the motor itself. Skids for easy transport in a container. The dimensions of •Variable speed to ensure a constant supply air flow rate, n this range allow all models and assemblies to be transported independent of the filters clogging level. in a container, so that the special SEI4C maritime packaging •Measuring the flow rate thought a calibrated section at is not necessary under any circumstances. the fan intake and a differential pressure sensor allows the control to handle the flow rate reliably and precisely in Outdoor unit both on CAV and VAV systems. nReusable gravimetric air filters G4, mounted on a frame. Dual nCoils with copper pipes and aluminium fins. locking system mounted on the access panel to filters. nEC electronic axial fans which adapt the rotation speed to Isolated pan of condensates drainage sloping down towards n the installation’s requirements, thereby reducing electricity the drain. This pan is removable for easy cleaning in models consumption, the sound level at partial charge and improving 0420 to 0720. the unit’s average seasonal efficiency. IP55 protection. Indoor unit Cooling circuit nThermal and acoustic insulation in panels and registers with nHermetic scroll-type compressors M1 fire classification. in tandem design that improves the management of stages and the part nCoils with copper pipes and aluminium fins. load efficiencies, assembled over nEC electronic supply plug-fans with variable control speed antivibration mounts. Relay for phase- and flow rate controller. sequence monitoring and phase loss In tertiary sector installation, a high percentage of the annual protection. air conditioning energy consumption comes from the use of nCrankcase heater. fans for transporting air. Using fans which are more efficient Electronic expansion valves. n has a direct impact on reducing consumption. Plug-fans with direct drive and variable speed offer the following advantages: nFour-way cycle reversing valves. Elimination of friction losses during transmission thanks to nAcid-resistant filters dryer. • the direct drive. nCooling design in 2-air volumes. CATALOGUE 2021 253 253