Panasonic WH-SXC09D3E5 Service Manual page 59

When solar priority is NOT SET
1. 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.
iv) Heat pump thermo OFF in tank mode OR Heat pump operate to room side.
(During Operation ON and tank mode selected)
2. Stop condition:
• Solar pump stops operating when:-
í) No power supply to unit OR
ii) There is NO operation request from Solar pump station OR
iii) Tank hot water temp is above solar off upper limit temp [EEPROM 2 : 77] C.
iv) Heat pump thermo ON and operate to tank side.
(During Operation ON and tank mode selected)
Heat + Tank Mode (Heating Priority Not Set)
(Solar Priority Set)
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