Installation manual
Sanden Heat Pump – Installation Manual
Page 20 of 32
Maintenance Mode
Figure 12 Maintenance mode
Maintenance mode is a function to check the heat pump unit status and to check and perform
other settings. It should generally be assumed that the owner does not operate this function.
The following modes can be found in the maintenance mode.
Blackout time setting mode
Set the blackout time.
Error history display mode
Check the history of any errors that may have occurred.
Parameter display mode
Check the values measured by the thermistor.
Drive setting mode:
Switch the heat pump unit on/off.
Compulsory operation mode:
Compulsorily operate the water heating cycle. (Force on)
Pump remote operation mode:
Run the water circulation pump.










