Mitsubishi Electric MAC-333IF-E, Installation Manual

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13. Interface status monitor
You can check the status of the interface unit by the LED
lamp on the interface unit
➊
board.
Indoor unit
CN560
LE501
LE581
LE502
SW500
● Use the table below to check communications. If communications cannot be carried out normally, check that the relevant communications line is
not disconnected from the connector or terminal box.
Interface unit
➊
CN560
SW500
12. Turn on/off with power
The room air conditioner turns on when power is supplied.
● When using for the first time, set to the operational status of your choice with the remote controller and leave the power off for 1 minute.
* When not used for a long period of time, you should set to the operational status of your choice again with the remote controller.
Indoor unit
Setting when using Turn on/off with power
Interface unit
➊
Functions SW No. Operating details
Interface status
monitor
SW500
ON
OFF
ON
1 2 3 4 5 6 7 8
SW500-7: OFF
● LE501 (Orange): When blinking at an interval of about 1 second, the Interface unit is
communicating normally with the room air conditioner. When the lamp
is off, the Interface unit is not communicating normally with the room air
conditioner.
● LE502 (Red): When blinking at an interval of about 1 minute, the Interface unit is
communicating normally with the M-NET controller. When the lamp is off, the
Interface unit is not communicating normally with the M-NET controller.
SW500-7: ON
● LE501 (Orange): When blinking at an interval of about 10 second, the Interface unit is
communicating normally with the MA remote controller. When the lamp is
off, the Interface unit is not communicating normally with the MA remote
controller.
● LE502 (Red): Extinguished
* LE581 (Orange) displays the following status irrespective whether SW500-7 is on or off.
● When lit, power is supplied to the MA remote controller from the Interface unit
➊
. When
extinguished, power is not supplied.
Notes
● The turn on/off with power function cannot be used when
connected to multiple outdoor units.
● When starting two or more room air conditioners by using
the turn on/off with power function, make the system so they
do not recover simultaneously. (To avoid inrush current, start
sequentially.)
Functions SW No. Operating details
Turn on/off with
power
1 2 3 4 5 6 7 8
ON
SW500
ON
OFF
SW500-2: OFF
• After the power is supplied, the room air conditioner resumes working in the previous running con-
dition. When AUTO RESTART FUNCTION is not set to the room air conditioner, it remains off.
SW500-2: ON
• The room air conditioner turns on when power is supplied.
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