Mitsubishi Electric MXZ-2A30VA - E1 Service Manual page 119

The record of auto line correcting can be confirmed in the following way:
Press the switch for more than 5 sec.
LED will show the record of auto correcting for about 30 sec. as shown in the table below:
Number of blinks
LED1(Red) LED2(Yellow)
Once Once
3 times 3 times
NOTE: Activate this function to confirm the correct wiring after replacing the electronic control P.C. board.
(Previous records are deleted when the electronic control P.C. board is replaced.)
The record cannot be shown if auto line correcting is not canceled (Refer to "How to activate this function").
12-5. INCREASING MAXIMUM COMPRESSOR OPERATIONAL FREQUENCY AND FAN SPEED OF THE
OUTDOOR UNIT
<MXZ-4A80VA-
E2
Compressor operational frequency and fan speed can be increased.
Capacity of the unit can be improved with this function.
NOTE:
Compressor operational frequency may not be increased under primary current restriction or high pressure protection.
Compressor operational frequency will not be increased when 1 or 2 indoor units are operating.
This function doesn't work when the function which lowers the operating noise of the outdoor unit is activated.
Noise level of the outdoor unit will increase (You may need to explain this to your customers.)
[How to increase maximum compressor operational frequency and fan speed]
Turn OFF the power supply for the air conditioner before making the setting.
Set the 3rd Dip Switch of SW2 on the outdoor electronic control P.C. board to ON to enable this function.
Turn ON the power supply for the air conditioner.
12-6. CHANGING DEFROST FINISH TEMPERATURE AND HEAT OPERATION TIME
<MXZ-4A80VA-
E2
If defrosting operation starts more than necessary, the defrost finish temperature and heat operation time can be changed.
The number of defrosting operation and defrosting time can be reduced with this function.
Defrost finish temperature (°C)
Heat operation time (min.)
[How to change defrost finish temperature and heat operation time]
Turn OFF the power supply for the air conditioner before making the setting.
Set the 1st Dip Switch of SW2 on the outdoor electronic control P.C. board to ON to enable this function.
Turn ON the power supply for the air conditioner.
12-7. CHANGING THE AMPERE LIMIT
<MXZ-4A80VA-
E2
With this function, you can change the current that flows in the
outdoor unit.
NOTE:
Use this function only when the amount of current exceeds
the allowed value.
[How to change the ampere limit]
Be sure to turn OFF the power supply for the air conditioner
before making the setting.
Make the setting referring to the table on the right.
Turn ON the power supply for the air conditioner.
Wiring line
LED3(Green)
Lighting Not corrected
Lighting Corrected
, MXZ-5A100VA>
, MXZ-5A100VA>
Initial setting Changed
10
31 40
, MXZ-5A100VA>
5
SW 2
ON
ON
ON
119
SW2
ON
1 2 3 4 5 6
SW2
ON
1 2 3 4 5 6
MXZ-4A80VA -
E2
MXZ-5A100VA
10.5A
15.5A
Initial setting
Full