Toshiba MMY-MAP0804FT8-E Installation Manual page 25

◆ Address setting procedure 2
1
Set a system address for each system using SW 13 and 14 on the interface P.C. board on the
header outdoor unit of each system.
(Factory default: Address 1)
NOTE
Be sure to set a unique address on each system. Do not use a same address as another system (refrigerant line) or a custom
side.
Interface P.C. board on the header outdoor unit
SW06 SW07 SW09
1 2 3 4 1 2 3 4 1 2 3 4
SW11 SW12 SW13
1 2 3 4 1 2 3 4 1 2 3 4
Switch settings for a line (system) address on the interface P.C. board on the outdoor unit
(: switch ON, ✕: switch OFF)
SW13
Line (system) address
1 2
1 – –
2 – –
3 – –
4 – –
5 – –
6 – –
7 – –
8 – –
9 – –
10 – –
11 – –
12 – –
13 – –
14 – –
15 – –
16 – –
17 – –
18 – –
19 – –
20 – –
21 – –
22 – –
23 – –
24 – –
25 – –
47-EN
SW10
1 2 3 4
SW14
1 2 3 4
SW14
3 4 1 2 3
– ✕ ✕ ✕ ✕
✕ ✕ ✕
– 
– ✕ ✕  ✕
– ✕ ✕
 
– ✕ ✕ ✕ 
– ✕  ✕ 
– ✕ ✕  
– ✕   
✕ ✕ ✕ ✕
–
– ✕  ✕ ✕
✕ ✕ ✕
– 
– ✕   ✕
✕ ✕ ✕
– 
– ✕  ✕ 
– ✕ ✕  
– ✕   
–  ✕ ✕ ✕
✕ ✕
–  
–  ✕  ✕
✕
–   
–  ✕ ✕ 
✕
–   
–  ✕  
–    
–  ✕ ✕ ✕
Line (system) address
1
26 –
27 –
28 –
"–": not used for system address setting (Do not change their positions.)
2
Be sure to disconnect the relay connectors between the [U1U2] and [U3U4] terminals on all the
header outdoor units that will be connected to the central control. (Factory default: disconnected)
3
Turn on indoor units first, and then turn on outdoor units.
4
About 1 minute after turning the power on, confirm that the 7-segment display on the interface
4
P.C. board of the header outdoor unit indicates
✕
5
✕
Press SW 15 to start the automatic address setting.
✕
(It may take up to 10 minutes (normally about 5 minutes) to complete one line's setting.)
✕
6
The 7-segment display indicates
✕
After the indication,
✕
When the flashing stops and
✕
complete.
✕
7

4 6
Repeat steps to for other refrigerant lines.

8
After completing address setting of all systems, turn off dip switch 2 of SW30 on the interface P.C.

boards of all the header outdoor units connected to the same central control, except the unit that

has the lowest address.

(For unifying the termination of the wiring for the central control of indoor and outdoor units)



✕
✕
✕
✕
✕
✕
✕
✕

– 24 –
SW13
2 3 4 1
– –  
– –  ✕
– –  
2
U1 U2 U3 U4 U5 U6
TO
TO
TO
CENTRAL
INDOOR
OUTDOOR
CONTROL
UNIT
UNIT
LER
U. 1. L08 (U. 1. flash)
Auto 1 → Auto 2 → Auto 3 .
U. 1. - - - (U. 1. flash)
starts flashing on the display.
U. 1. - - - (U. 1. light) , remains lit on the display, the setting is
SW14
2 3 4
✕ ✕

 ✕ 
✕
 
.
48-EN