Toshiba MMY-MAP1006FT8(J)P-E Service Manual page 106

Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
Outdoor units (setting manually)
Outdoor unit's interface
P.C. board
SW13, 14
(Line (system) address)
DIP switch 2 of SW30
(Terminator of indoor/
outdoor communication
line and central control
line)
Connect after
Relay connector
Header unit
U3 U4
U1 U2 U5 U6
Relay
connector
U1 U2
A B
Remote
controller
Individual
Indoor units
(automatic setting)
Line (system) address
Indoor unit address
Group address
CAUTION
Relay connector connection
Never connect relay connectors between the [U1, U2] and [U3, U4] terminals before completing address setting of all
the refrigerant lines. Otherwise, the addresses cannot be set correctly.
Header unit Follower unit
(No setting
1
required)
(No setting
ON
required)
Open
setting
addresses.
Follower unit Header unit
U3 U4
U1 U2 U5 U6
Relay
connector
U1 U2
A B
Remote
controller
1 1
1 2
0 0
*The items in bold font must be set manually.
Header unit Follower unit
(No setting
2
required)
Set to OFF
(No setting
after setting
required)
addresses.
Connect after
Open
setting
addresses.
Follower unit
U3 U4 U3 U4
U1 U2 U5 U6 U1 U2 U5 U6
U1 U2 U1 U2
A B A B
Remote
controller
Group
2 2
1 2
1 2
− 105 −
Header unit Factory default
3 1
Set to OFF
ON
after setting
addresses.
Connect after
Open
setting
addresses.
Header unit
U3 U4
U1 U2 U5 U6
Relay
connector
U1 U2
A B
Remote
controller
3
1
0
Central
remote
controller