Panasonic WH-ADF0309J3E5CM Service Manual page 219

20.1.3 Power Save Mode

Power Save Mode can be enabled by pushing POWER SAVE switch (SW4) to ON before power supply ON.

When Power Save Mode is ON, the unit can be operate at lower running current where the breaker capacity not
achieve the requirement.
20.1.4 Mode priority function

Mode priority function can be enabled by pushing MODE PRIORITY switch (SW5) to ON before power supply
ON.

When Mode Priority Function is ON, the mode priority is given to higher capacity indoor units.
20.1.5 Cooling only function

The unit capable to limit the operation mode to Cooling Mode only (Heating mode disabled) by cutting JP1
(COOL ONLY) before power supply ON.

This function prevent wrong operation during the unit installed in server room.

This function could be disabled again by short the JP1 (COOL ONLY) before power supply ON.

However, tank heating operation is still allowed even if the cooling only function is set.
219