MULTI TYPE

Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
Outdoor units (setting manually)
*The items in bold font must be set 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)
Relay connector
Header unit Follower unit Header unit Follower unit Header unit Factory default
1
ON
Connect after
setting
addresses.
(No setting
required)
(No setting
required)
Open
2
Set to OFF
after setting
addresses.
Connect after
setting
addresses.
(No setting
required)
(No setting
required)
Open
3 1
Set to OFF
after setting
addresses.
Connect after
setting
addresses.
ON
Open
Header unit Follower unit Header unit Follower unit Header unit
Central
remote
controller
U3 U4 U3 U4 U3 U4 U3 U4 U3 U4
U1 U2
U5 U6 U1 U2 U5 U6 U1 U2 U5 U6 U1 U2 U5 U6 U1 U2
U5 U6
Relay
connector
Relay
connector
Relay
connector
U1 U2 U1 U2 U1 U2 U1 U2 U1 U2
A
B A B A B A B A B
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Individual
Group
Indoor units
(automatic setting)
Line (system) address 1 1 2 2 3
Indoor unit address 1 2 1 2 1
Group address 0 0 1 2 0
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.
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