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15
Code Meaning
Note
No
code
Water tank temp and
floor heating water temp
Displayed at the main interface
A1
Air heat exchanger 1
lowest tube temp
Same meaning for all series
A2
Inlet gas temperature of
compressor 1
Same meaning for all series
A3
Outlet gas temperature of
compressor 1
Same meaning for all series
A4
Ambient air temperature
Same meaning for all series
A5
Outlet water temperature Same meaning for all series
A6
Return water temperature
of water tank
For HW and HT series
Inlet water temp
For HC and SP-H and SP-HC series
Floor heating water temp
For HH series (displayed on main
interface, the left one temperature)
A7
Reserved
Same meaning for all series
A8
Compressor 1 current
Same meaning for all series
A9
Electric expansion valve
1open degree
For HW and HH and SP-H series,
rated heating capacity less than
52KW models
Reserved
Other series and models
A10
Reserved
Same meaning for all series
b1
Air heat exchanger 2
Same meaning for all series