Panasonic WH-SDC07C3E5 Service Manual

Also see for WH-SDC07C3E5: Design handbook Operating instructions

Contents

Panasonic WH-SDC07C3E5 Service Manual Manual pdf 78 page image

7813.13. 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.13.14. Solar operation (Optional)13.14.1. Solar operation:• Control according to preset whether Solar Priority is set or not.• When tank connection is NOT set at SETTING mode, Solar operation is disabled.• When Pump A (from Solar pump station) is detected On through connection Y3 and Y4, then the Solar pump 3 Way Valve isrequested ON (Refer to figure below).13.14.2. Solar operation controlWhen solar priority is SET1. Operation condition:• Solar pump operates if all of the following conditions are fulfilled:-i) Power On. (regardless operation ON or OFF)ii) There is operation request from Solar pump station.iii) Tank hot water temp is below solar on upper limit temp [EEPROM 1 : 70]°C.2. Stop condition:• Solar pump stops operating when:-í) No power supply to unit ORii) There is NO operation request from Solar pump station ORiii) Tank hot water temp is above solar off upper limit temp [EEPROM 2 : 77]°C.* heat pump OFF OR operate to room side when solar pump operate during solar priority set* booster heater OFF when solar pump operate during solar priority set