Mitsubishi Electric AT-50B Installation Manual page 16

(2)-3. Interlocked settings between indoor units and ventilation units (LOSSNAY and OA processing units)
To interlock the ON/OFF status of the ventilation units with the indoor units, make the settings through the "Interlocked LOSSNAY"
screen.
* Touch the Initial Settings 2/Groups button [
the Initial Settings 2/Groups screen to access the Interlocked LOSSNAY screen.
1
1) Touch the LOSSNAY button (labeled 1 in the figure). On the popup window that appears, check the address of the ventilation
units to be interlocked with the operation of the indoor units.
2) Touch the interlocked indoor unit button (labeled 2 in the figure). On the popup window that appears, check the address of the
indoor units to be interlocked with the ventilation units.
* Up to 16 indoor units can be assigned to each ventilation unit.
3) After all interlocked operation settings have been made, touch the Save button.
(2)-4. Batch deletion (Available only when AT-50B is set as a main controller)
To delete all group and interlocked operation settings collectively, follow the procedure below.
1) Touch the Initial Settings 2/Groups button [
Initial Settings 2/Groups screen. A popup message "Do you want to delete all group settings and interlocked LOSSNAY
settings?" will appear.
2) Touch the OK button to delete group and interlock settings.
] on the Service Menu, and then touch the Interlocked LOSSNAY button [
2
] on the Service Menu screen, then touch the Delete All button [
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] on
] on the