719 Layouts & Range overview Extensive option lists Including new options: Partial heat recovery Introduction of condensation control allowing to mantain heat recovery capacity at lower ambient temperatures with unit operating at full capacity Buffer tank Unit mounted buffer tank available all across the range for plug and play solution. VFD pumps and variable flow control J Variable pump speed control via extenral 0-10 volt signal J “Thermostat on” and “thermostat off” pump speed management J Variable primary flow control Pumping energy Thermostat ON Thermostat OFF 100% 20% No VFD VFD Parallel coils Silver Efficiency 1 circuit Gold Efficiency Silver Efficiency 2 circuits Gold Efficiency 75-193 kW 82-213 kW 80-206 kW 86-218 kW 189-230 kW 209-256 kW 206-250 kW 215-261 kW Double-V coils Silver Efficiency 2 circuits Gold Efficiency 294-630 kW 306-650 kW 270-570 kW 300-627 kW Master/Slave supplied as standard Master/Slave functionality allowing to manage up to 4 units on the same system without the need of external control devices. Fan Silent Mode The parallel coil units and units with VFD option are standardly equipped with Fan Silent Mode, which reduces fan velocity and therefore unit sound emission on scheduled time bands, enhancing comfort during night operation.
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