Toshiba MCY-MHP0404HS-E Service Manual page 67

4
Push the TIME
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
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.
Repeat steps
4
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 line 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 outdoor unit of the line as
below.
1) Remove the relay connectors CN10 from CN02.
2) If the DIP switch 2 of SW30 which is mounted on the interface P.C. board is OFF, turn on switch.
[U1, U2] and [U3, U4]
not connected
U3 U4
CN02
U1 U2
U1 U2
A B
Remote
controller
AMP Air Conditioning
/ buttons repeatedly to change the value of the indoor unit address in SET
button (left side of the button) repeatedly to select another address to change.
to to change the indoor unit addresses so as to make each of them unique.
6
[U1, U2] and
Outdoor unit
[U3, U4] connected
CN10
U1 U2
A B
Remote
controller
Indoor units to have their addresses initialized
Outdoor unit
U3 U4
CN10
CN02
U1 U2
U1 U2 U1 U2
A B A B
Remote
controller
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Central controller
U1 U2
U3 U4
[U1, U2] and
Outdoor unit
[U3, U4] connected
U3 U4
CN10
CN02
U1 U2
U1 U2
A B
Remote
controller