Toshiba MMU-AP0091H Installation Manual page 96

4 or more control wires connected to one terminal is prohibited.
Outdoor unit
(Header unit)
Loop wiring of control wires is prohibited.
Outdoor unit
(Header unit)
NOTE
U3 U4
U1 U2 U5 U6
Indoor unit
1 2
A B
NG
1 2
A B
1 2
A B
NOTE
U3 U4
U1 U2 U5 U6
Indoor unit
1 2
A B A B
Remote controller
1 2
A B A B
1 2
A B A B
1 2 1 2
A B A B
Remote controller
1 2 1 2
A B A B
1 2 1 2
A B A B
1 2 1 2
A B
NG
1 2 1 2
A B
1 2 1 2
A B
96
Wiring which the
transmission line is
formed in loop is
unavailable, Dotted
line is forbidden