Installation manual

Sanden Heat Pump – Installation Manual
Page 21 of 32
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 exit maintenance mode, press and hold down the Enter key, or leave for more than 60
seconds with no panel operation.
Figure 13 Maintenance mode diagram