Panasonic WH-SDF09C3E8 Service Manual

Also see for WH-SDF09C3E8: Design handbook Operating instructions Operating instructions

Contents

Panasonic WH-SDF09C3E8 Service Manual Manual pdf 56 page image

5612.10 Tank Booster Heater Control12.10.1 Tank Booster Heater ControlHeating operation condition:1 Booster heater Turn On condition:o After BOOSTER HEATER DELAY TIMER fulfil during heatpump startup time in tank mode, or duringswitching from heating heat-up interval to tank heat-up interval in heat+tank mode (heating priority notset).o Tank temperature < Tank set temperature + [-5°C],o 20 minutes since previous heater off.* BOOSTER HEATER DELAY TIMER is clear when tank heat-up interval end.2 Booster heater Turn Off condition:o Tank temperature > Tank set temperature + [+2°C] for continuous 15 seco When BOOSTER HEATER DELAY TIMER start count after switch from heating heat-up interval to tankheat-up interval* DELAY TIMER can be set by control panel.12.11 Three Way Valve Control Purpose:- 3 ways valve is used to change flow direction of hot water from heatpump between heating side and tank side Control contents:1 3 ways valve switch Off:o During 3 ways valve switch Off time, the hot water will provide heat capacity to heating side.2 3 ways valve switch On:o During 3 ways valve switch On time, the hot water will provide heat capacity to tank side.3 Stop condition:o During stop mode, 3 ways valve will be in switch off position12.12 Sterillization Mode1 During sterillization mode, tank will be heat up to the sterillize set temperature for a certain period of time,also set by controller.2 The function can only be set on timer to operate once in a week.3 It will be cancelled even when the temperature is not reached after 4 hours.4 When tank mode is OFF or disabled, sterillization is cancelled.12.13 Quiet Operation Purpose:- To provide quiet operation compare to normal operation by reduces outdoor unit noise. Starting condition:1 When quiet button is presses.2 When quiet request ON time by weekly timer (Refer to control panel.) When any of above mentioned condition is achieved, this control is activated.New target FM speed = Present target FM speed - 80rpmMinimum target FM speed = 200rpm Cancellation condition:1 Cancel by press quiet button2 Stop by OFF/ON button3 When quiet request OFF time by weekly timerWhen any of above mentioned condition is achieved, this control is cancelled.