Mitsubishi Electric MXZ-4B80VA Instructions D'installation page 7

4-2. GAS CHARGE
Perform gas charge to unit.
tioner for cooling.
Note:
CAUTION:
4-3. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER (COOL, DRY, HEAT)
[How to lock the operation mode]
setting.
able this function.
SW1 on the outdoor controller board to OFF. To lock the operation in HEAT
mode, set the same switch to ON.
4-4. LOWERING THE OPERATION NOISE OF THE OUTDOOR UNIT
the operation load is small, for example, during nighttime in COOL mode.
ered if this function is activated.
[How to lower the operating noise]
setting.
able this function.
4-5. CHANGING THE AMPERE LIMIT
Note:
[How to change the ampere limit]
setting.
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Stop valve
Union
Union
Indoor
unit
Union
Stop valve with
service port
Union
Refrigerant gas
operating valve
Gauge manifold
Electronic scale for refrigerant charging
HEAT
Lower the operating
noise
SW2
15.5 A
Full
Liquid
pipe
Outdoor
unit
Gas
pipe
Charge hose
15.5 A
Full