Panasonic WH-SDF07C3E5 Service Manual

Also see for WH-SDF07C3E5: Design handbook Operating instructions Service manual Operating instructions Service manual

Contents

Panasonic WH-SDF07C3E5 Service Manual Manual pdf 71 page image

7113.10. Tank Booster Heater Control13.10.1. Tank booster heater controlHeating operation condition:1. Booster heater Turn On condition:• After BOOSTER HEATER DELAY TIMER fulfil during heat pump startup time in tank mode, or during switching from heatingheat-up interval to tank heat-up interval in heat+tank mode (heating priority not set).• Tank temperature < tank set temperature + [-5°C],• 20 minutes since previous heater off.* BOOSTER HEATER DELAY TIMER is clear when tank heat-up interval end.2. Booster heater Turn Off condition:-• Tank temperature > tank set temperature + [+2°C] for continuous 15 sec• When BOOSTER HEATER DELAY TIMER start count after switch from heating heat-up interval to tank heat-up interval* DELAY TIMER can be set by control panel.13.11. Three Way Valve Control• Purpose:- 3 ways valve is used to change flow direction of hot water from heat pump between heating side and tank side• Control contents:1. 3 ways valve switch Off:• During 3 ways valve switch Off time, the hot water will provide heat capacity to heating side.2. 3 ways valve switch On:• During 3 ways valve switch On time, the hot water will provide heat capacity to tank side.3. Stop condition:• During stop mode, 3 ways valve will be in switch off position13.12. Sterillization Mode1. During Sterillization mode, Tank will be heat up to the Sterillize Set temperature for a certain period of time, also set bycontroller.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.13.13. 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 - 80 rpmMinimum target FM speed = 200 rpm• 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.