Toshiba MMW-AP0481CHQ-E Service Manual page 28

To find an indoor unit's position from its address
When checking unit numbers controlled as a group
(Execute it while the units are stopped.)
The indoor unit numbers in a group are indicated one after another. The fan and louvers of the indicated units
are activated.
1
Push and hold the
ALL
• appears on UNIT No. on the LCD display.
• The fans and louvers of all the indoor units in the group are activated.
2
Push the
UNIT LOUVER
unit numbers are indicated one after another.
• The first-indicated unit number is the address of the header unit.
• Only the fan and louvers of the indicated indoor unit are activated.
3
Push the button to finish the procedure.
All the indoor units in the group stop.
NOTE:
The LED on the P.C. board of the selected hot water module flashes. The hot water module for change
settings can be confirmed.
and buttons at the same time for more than 4 seconds.
button (left side of the button). Each time you push the button, the indoor
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