Mitsubishi Electric MXZ-2B30VA Installation Manual page 6

4-2. GAS CHARGE
Perform gas charge to unit.
conditioner for cooling.
Note:
CAUTION:
will be locked.
4-3. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER (COOL, DRY, HEAT)
unit. Once the operation mode is locked to either COOL/DRY mode or
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.
4-4. LOWERING THE OPERATION NOISE OF THE OUTDOOR UNIT
unit when the operation load is small, for example, during nighttime in
be lowered if this function is activated.
it.
[How to lower the operating noise]
ing the setting.
to enable this function.
6
Union
Indoor
unit
Union
Indoor
unit
Refrigerant gas
-
operating valve
-
SW1
-
Lower the operating
noise
Stop valve
Liquid pipe
Gas pipe
Outdoor
unit
Liquid pipe
Gas pipe
Service port
Gauge manifold
for R410A with siphon
Electronic scale for
refrigerant charging
Operation mode
COOL
DRY
HEAT