Mitsubishi Electric MXZ-3B54VA Installation Manual page 7

4-3. REMOVING THE MAINTENANCE PANEL
The setting of Dip Switch on the outdoor controller board can be changed
without removing the front panel.
Follow the procedures below to remove the maintenance panel and set
the Dip Switch.
Note:
could cause malfunction.
4-4. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER (COOL, DRY, HEAT)
it.
[How to lock the operation mode]
ing the setting.
to enable this function.
Switch of SW1 on the outdoor controller board to OFF. To lock the op-
eration in HEAT mode, set the same switch to ON.
4-5. LOWERING THE OPERATION NOISE OF THE OUTDOOR UNIT
unit when the operation load is small, for example, during nighttime in
COOL mode. However, please note that the cooling and heating ca-
it.
[How to lower the operating noise]
ing the setting.
to enable this function.
-
-
Lower the operating
noise
maintenance panel
HEAT