Maintenance Mode; How To Switch To Maintenance Mode - Sanden GAUS-315EQTA Installation Manual

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.
Blockout time setting mode
Set the block out 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.
Pump remote operation mode: Run the water circulation pump.
How to switch to Maintenance Mode
Press and hold down Up and Down keys together in the clock display mode to go to the
maintenance mode. After the mode is switched, press the Enter key to select a mode from
the six modes described above. To finish the maintenance mode, press and hold down
the Enter key, or leave for more than 60 seconds with no panel operation.
Change: Hold down 'Up' and 'Down'; No operation for 60 seconds (delete min.?) – this change needs to
be done in three places.
Figure 13 Maintenance mode diagram
Display Sleep Mode
Any Key
Clock Display Mode
Enter
Clock Setting Mode
Hold down "UP"
and "DOWN"
t th
No Operation
for 60sec min.
Enter
or
No Operation
Enter
for 60sec min.
or
No Operation
for 60sec min.
Sanden Heat Pump – Installation Manual
Blockout Time Setting Mode
Error History Display Mode
Parameter Display Mode
Drive Setting Mode
Compulsory Operation Mode
Pump Remote Operation Mode
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