Address Setup; Precautions; Address Setup And Check Procedure - Toshiba MCY-MUG0401HSW-E Service Manual

8-4. Address setup

This product requires address setup before operation.
Follow this procedure for address setup.

8-4-1. Precautions

(1) Address setup is not performed simply by turning on the power supply.
(2) For indoor units, address setup can be done either by manual address setup or by automatic address setup:
Automatic address setup: Setup from SW06 on the interface P.C. board of the outdoor unit
Manual address setup: Setup from the wired remote controller. (For details, refer to "8-4-3. Address setup
procedure.")
(3) Automatic setup usually takes about 5 minutes per line. In some cases, however, it may take up to 10 minutes.
(4) It is unnecessary to operate the air conditioner to achieve address setup.

8-4-2. Address setup and check procedure

Procedure Item
1 Outdoor unit setting
2 Indoor unit power-on
Outdoor unit power-on Turn on the power of the outdoor unit for the refrigerant line for which the address is to be set
3
7-segment display
4
check
Address setup start
5
Display check after
setup
6
Communication
setting start
7
Display check after
communication setup
8
System information
check after setup
9
Turn on DIP switch 2 of SW100.
Turn on the power of the indoor unit for the refrigerant line for which the address is to be set up.
up.
Check that "L08" is displayed on the 7-segment display [B] on the interface P.C. board of the
outdoor unit in the system where the address is to be set up.
Confirm the items in "8-4-3. Address setup procedure," and then set up the address according
to the operation procedure.
(Be careful to note that the setup operation may differ in group control and central control
systems.)
Note:
The address cannot be set up if switches are not operated.
• After address setup, "U1" " " is displayed on the 7-segment display.
• If an error code is displayed on the 7-segment display [B], remove the cause of the
problem referring to "9 Troubleshooting."
Confirm the items in "8-4-3. Address Setup Procedure," and then set up the communication
according to the operation procedure.
Note:
The address cannot be set up if switches are not operated.
• After communication setup, "c.c." "Fin" is displayed on the 7-segment display.
• If a unit that has already been set for communication is connected, it cannot be
set correctly.
In this case, clear the communication settings and set again.
Using the 7-segment display function, check the system information of the scheduled system.
(This check is executed on the interface P.C. board of the outdoor unit.)
System capacity
Number of cennected
indoor units
Communication Type
After the above checks, return rotary switches SW01, SW02, and SW03 to 1/1/1.
81
Operation and check contents
Rotary switch setup
SW01 SW02 SW03
[Number of
1 2 3
horsepower]
[Number of
1 4 3
connected units]
2 16 2
Type : 0=TCC-Link, 1=TU2C-Link
7-segment display
[A] [B]
[H P]
[Type]