713. Backup Heater Control:o During heating heat up interval Follow normal back up heater control operationo During tank heat-up intervalBackup Heater Turn ON condition: Tank Temp. < Tank Set Temp + [0°C] AND Heat Pump Thermo OFF AND 20 minutes from previous heater OFF. AND Backup Heater for Tank Select USE by remote controller.Back up Heater Turn OFF condition: Tank Temperature > Tank Set Temperature + [0°C] for continuously 15 seconds OR Heat Pump Thermo ON OR Mode Change or Operation OFF by remote controller* Turn ON all heater element according to the maximum heater selection when heater is request to ONby remote controller.4. 2-way valve control:o 2-ways valve opens.Heat + Tank mode Tank set Temp. = 60°C3 way valveonoffHeat pumponoffBackup HeateronoffID Water PumpTank Temp.Water Outlet Temp.onoffRoom sideTank side Tank sideHeat Pump ThermoOFF by Water OutletHeat Pump ThermoOFF byTank Temp.Switch to tank side even the heatinginterval timer not yet completed whentank temperature drop ans thank thermoon.Turn to room heating interval compulsory andheat up room for the heating interval timer after[xxx] time of short heating time. After roomheating interval timer, if tank thermo off heatpump will continue at room side. (Turn toheating side and run room heating intervalcompulsory as well if tank temperature cannotachieve within heat-up interval)51°C60°C58°C52°C51°C60°C58°C 40°C57°C 57°C 57°C
