147Booster Heater OFF condition: Tank temperature > tank set temperature for continuous 15 secs. Force mode OFF Tank Mode Operation OFF(During tank interval or tank mode condition, water pump and 3 ways valve will OFF)14.10 Powerful OperationPowerful mode is use to increase the capacity of heat pump to achieve higher target temperature. Powerful mode isapplicable when heat mode is operating.Remote control setting:On quick menu of remote control, there is 4 options of powerful mode can be select.- OFF : Cancel powerful mode- 30 minutes : Set powerful for 30 minutes- 60 minutes : Set powerful for 60 minutes- 90 minutes : Set powerful for 90 minutesControl contents:During the time set by remote control, powerful will activate according to 2 shift up controls. However, this function isapplicable only for heating. Remote control will transmit the signal to indoor unit once this function is select thentransmit OFF signal to indoor when the timer is complete. Indoor will transmit signal to outdoor for frequency control.Indoor setting temperature shift If system is standard system (Optional PCB is not connected)o Target water temperature will shift up to Wlo or Whi whichever higher. If system is extension system (Optional PCB is connected)o Target water Zone 1 and Zone 2 temperature will shift up to Wlo or Whi whichever higher.* If “Direct Type” temperature control is select, this powerful shift up setting is not effective. Start conditiono Powerful function is select by remote control. End Conditiono OFF/ON button is pressed.o Powerful function is OFF by remote control.14.11 Quiet OperationQuiet mode is use to reduce the noise of outdoor unit by reducing the frequency or fan speed.Quiet levelThere are 3 level (Level 1, Level 2, Level 3) to set by quick menu function on remote control.Control contentOnce the quiet function is select, the remote control will transmit the signal to indoor and outdoor unit.Start condition Quiet mode is set on remote control. Quiet mode is request ON by weekly timer.Stop conditionIf any of below condition is achieve. OFF/ON button is pressed. Quiet mode is OFF by remote control. Quiet mode is request OFF by weekly timer.