Toshiba MMU-AP0091H Installation Manual page 116

ˆ
When address setup has finished in all the systems,
turn off SW30-2 on the interface P.C. boards of the
header outdoor units of the systems connected to the
identical central control except a system with least
address number.
(The end terminal resistances of the wires in the
central control system of indoor/outdoor are unified.)
‰
Connect the relay connector between [U1U2] and
[U3U4] of the header outdoor unit for each refrigerant
system.
Š
Then set up the central control address.
(For the central control address setup, refer to the
Installation manual of the central control devices.)
Switch setup
(Example in case of central control over refrigerant systems)
Outdoor side (Manual setup)
* Manual setup is necessary for column of which letter color is reversed.
Outdoor interface
P.C. board
SW13, 14
(Line address)
SW30-2
End terminal resistance of
indoor/outdoor communi
cation line/central control
communication line
Relay connector
Header unit
Relay
connector
Indoor side
(Automatic setup)
Line address
Indoor unit address
Group address
For relay connector
Never connect a relay connector until address setup for all the refrigerant lines finishes;
otherwise address cannot be correctly set up.
Header unit Follower unit
(Setup is
1
unnecessary.)
(Setup is
ON
unnecessary.)
Short after
Open
address setup
Follower unit
U3 U4 U3 U4
U1 U2 U5 U6 U1 U2 U5 U6
U1 U2 U1 U2
A B A B
Remote Remote
controller controller
Individual
1 1
1 2
0 0
Header unit interface P.C. board
ON
1 2 3 4
SW11
ON
1 2 3 4
SW06
Header unit Follower unit
(Setup is
2
unnecessary.)
OFF after (Setup is
address setup unnecessary.)
Short after
Open
address setup
Header unit Follower unit
U3 U4 U3 U4
U1 U2 U5 U6 U1 U2
Relay
connector
U1 U2 U1 U2
A B
Remote
controller
Group
2
1
1
CAUTION
116
ON
1
SW30
ON ON ON
1 2 3 4 1 2 3 4 1 2 3 4
SW12 SW13 SW14
ON ON ON ON
1 2 3 4 1 1 2 3 4 1 2 3 4
SW07 SW08 SW09 SW10
SW15
SW04 SW05 SW15
7-segment
D600 D601 D602 D603 D604
SW01 SW02 SW03
1 1 1
Header unit
3
OFF after
address setup
Short after
address setup
Header unit
U3 U4
U5 U6 U1 U2 U5 U6
Relay
connector
U1 U2
A B A B
Remote
controller
2 3
2 1
2 0
2
SW30
display
Setup at shipment
from factory
1
ON
Open