Carrier MMY-MAP0724FT9UL Service Manual page 97

4
Push the TIME
SET DATA.
Change the value in SET DATA to that of a new address.
5
Push the button to confirm the new address on SET DATA.
6
Push the button (left side of the button) repeatedly to select another address to change.
UNIT LOUVER
Each time you push the button, the indoor unit numbers in a refrigerant line are indicated
one after another. Only the fan and louvers of the selected indoor unit are activated.
4
Repeat steps to
7
Push the button.
(All the segments on the LCD display light up.)
8
Push the button to finish the procedure.
Resetting the address
(Resetting to the factory default (address undecided))
Method 1
Clearing each address separately using a wired remote controller.
Set the system address, indoor unit address and group address to "0099" using a wired remote controller.
(For the setting procedure, refer to the address setting procedures using the wired remote controller on the
previous pages.)
Method 2
Clearing all the indoor unit addresses on a refrigerate line at once from the outdoor unit.
1
Turn off the refrigerant line to reset to the factory default and set the header outdoor unit
of the line as below.
1) Disconnect the relay connectors between the [U1, U2] and [U3, U4] terminals.
(Leave them as they are if they have already been disconnected.)
SET DATA SETTING
TEMP.
4
FILTER
RESET TEST
8
Finish
5, 7
/ buttons repeatedly to change the value of the indoor unit address in
6
to change the indoor unit addresses so as to make each of them unique.
CODE No.
UNIT No.
R.C. No.
ON / OFF
TIMER SET
TIME
SET CL
Push to finish
setting.
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