VECTIOS™ PJ Compact air-air rooftop units Protections the air flow on the oudoor fans. nHigh pressure pressostat(s). nSetpoint compensation based on the outdoor temperature. nHigh and low pressure transducers. nHourly and weekly schedule. nCompressor discharge temperature control. nFire protection. nMain door switch. nDiagnosis of faults and general alarm. nProtection for power lines of compressors with manual motor starters and power lines of fan motors with magnetothermic Optional functions: switches. These devices provide protection against overload, This control is used to manage addition components such as: short circuit, phase failure and undervoltage. nExternal air damper for the renewal of fresh air, depending nAutomatic switch in the control circuit. on the temperature of the mixed air or depending on the air quality sensor. Electrical cabinet nMixing box for thermal, enthalpic or thermoenthalpic free- cooling. nComplete and fully wired electrical cabinet. Insulated access nCooling circuit for the recovery of the extracted air energy. door to prevent condensation. Forced ventilation of the nRotary heat exchanger, with proportional or on/off control. electrical cabinet Prtcti. oeon IP5.4 nAuxiliary electrical heaters: two-stage with on/off control or nNumeration of wired and identification of components in the single-stage with proportional control . electrical cabinet. It permits easy tracing and diagnostics. nHot water coil with 3-way valve, with proportional or on/off nHinges + quarter-turn latches on the removable access door. control. nElectrical power supply with neutral. nGas burner with proportional control. nMain ground connection. nGas boiler with proportional control. nCompressor and fan motor contacts. nHeat recovery coil with 3-way valve, with proportional control. nHumidifier with proportional or on/off control. Vectic electronic control nBasic dehumidification. The Vectic control consist of a control board, sensors, a graphic nActive dehumidification with condensation coil. terminal, anuser terminal(optonal).i nClogged filter pressostat. This system uses a RS485 field-bus to manage additional nSmoke detection station. components. nRefrigerant leak detector. A BMS card (optional) allows the control board to be connected nAir quality sensor(s) for measuring CO.2 to a centralised technical management system. nEnergy meter and calculation of the cooling and heating It also manages a local connection between units through a capacities. pLAN network (Vectic Local Area Network), allowing data and nZoning up to 4 zones with variation of air flow by sending the information to be exchanged between units, for a maximum control signal to the damper of each zone. of 15 units. nManagement of the low return temperature application. BMS bus VecticGD graphic terminal: This terminal, fitted as standard EEV (circ.2) on the electrical cabinet, is very easy to use. It provides detailed EEV (circ.1) explanations of control in easy to understand English. No decoding is required. Only 6, large, easy-to-use buttons are required to maneuver pLAN bus through the entire menus. This terminal is used to: nCarry out initial programming of the unit. RS485 bus pLAN bus (local network, maximum 15 unit ) nModify operating parameters. nSwitch the unit ON / OFF. nSelect the operating mode and adjust the setpoints. nDisplay the variables controlled and sensor values measured. nDisplay the current alarms and their historical record. Main functions: nSelection of setpoint and operating mode: HEATING / TCO user terminal (optional): COOLING / AUTO / VENTILATION. This terminal can be installed on the nContinuous control of the operating parameters. electrical cabinet, instead of the VecticGD graphic terminal. In this case, the remote nDisplay of the values measured by the sensors. connection of the VecticGD terminal is nCompressors time delays. possible.Please consult the chapter nDefrosting management (heat pump units). “Options”. nControl of the supply air temperature. This terminal is used to: nAll-seasons operation via the condensation and evaporation nSwitch the unit ON / OFF. pressure control. nSelect the operating mode and adjust the setpoints. The management of the unit in cooling mode is based on nDisplay the installation’s temperatures and humidity, outdoor the principle of a high floating pressure. The condensation temperature, supply air temperature, CO sensor and opening2 pressure setpoint is continually calculated depending on the of the outdoor damper. outdoor temperature. This pressure is regulated by adjusting nDisplay alarms codes. 236 236 CATALOGUE 2021