Toshiba MMU-AP0074YH-E(-TR) Service Manual page 97

Procedure 1: reading setting data from EEPROM
(Read the setting data from EEPROM, including both the factory settings and any modifications made to them on
site.)
1
Push the +
corresponds to the same number shown on the Remote Controller Operation Diagram.)
* In the case of group control, the unit No. displayed first is the indoor unit No. of the header unit.
At the same time, the CODE No. (DN code) 10 is displayed, and the fan of the selected indoor unit comes
on, with the louver swinging, depending on the model.
2
Each time the
displayed in turn.
* The fan of the selected indoor unit comes on, with the louvers swinging, depending on the model.
3
The button allows you to move the CODE No. (DN code) up / down by one place.
4
First, change the CODE No. (DN code) from 10 to 01. (To set filter sign lighting time)
Jot down the setting data displayed.
5
Change the CODE No. (DN code) using the
Again, jot down the setting data displayed.
6
Repeat step 5 until all the setting data has been jotted down. (See the CODE No. list.)
* CODE No. (DN code) go from 01 to FF with a few gaps along the way.
7
When finished, push the
(It takes the system about 1 minute to become responsive to remote controller operation.)
CODE No. (DN code) necessary at minimum
DN Contents
10 Type
11 Indoor unit capacity
12 Line address
13 Indoor address
14 Group address
The type and capacity of the indoor unit are necessary for fan speed setting.
+ buttons simultaneously and hold for at least 4 seconds. (This number
button is pushed, one of the indoor unit No. under group control is
button to bring the system back to normal off state.
Remote controller operation diagram
button.
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