Panasonic WH-SXC16F9E8 Service Manual page 73

Heat + Tank Mode (Heating Priority SET) & Cool + Tank Mode
3 way valve
Heatpump
On
Off
On
Off
Booster
heater
On
Off
Solar request
On
Off
On
Solar 3 way
Off
valve
On
Off
Room Side
Booster heater Off due to solar 3
way valve on
73
Booster heater
Thermo Off
Solar priority set
Solar priority not
set
Solar off
due to upper limit
Solar priority set
Solar priority not
set