EN
EN
EN
ID
– 28 –
U2
U4
U3 U4
U3 U4
Uh
U6
U4
U1
U2
Uv
AB
U6
U4
U1
U2
Uv
AB
U6
U4
U1
U2
Uv
AB
U6
U4
U1
U2
Uv
AB
U1
U3
U2
Uv
U5 U6
Uc
U3 U4
Uh
U1
U2
Uv
U5 U6
Uc
U3 U4
Uh
U1
U2
Uv
U5 U6
Uc
U3 U4
Uh
U1
U2
U4
U6
U4
U1
U2
AB
U6
U4
U1
U2
AB
U6
U4
U1
U2
AB
U6
U4
U1
U2
AB
U1
U3
U2
U5 U6
U3 U4
U1
U2
U5 U6
U3 U4
U1
U2
U5 U6
U3 U4
U1
Uv Uv Uv Uv
<U series>
<U series>
<Other than U series>
<U series>*
<U series>*
<U series>*
<U series>*
6006
(SMMS-i)
(SMMS-7 )
(MiNi SMMS)
etc.
Central control device
Outdoor unit
Outdoor unit
Indoor unit
Remote controller
Indoor unit
Remote controller
* Even if the indoor units, the remote controllers, and the central control device are models other than U series,
their system diagrams for the wiring specifications are the same as the system diagram above.
REQUIREMENT
• For the central control line (L1) when U-series outdoor units and outdoor units other than U-series are connected
to the central control device, follow the communication wiring specifi cations for outdoor unit other than U-series.
• Using the same wire type and size, wire each line below.
If the different wire types and sizes are mixed in each line, communication trouble is caused.
• Central control line and wiring between indoors and outdoor units other than U-series
• Uv line (wiring between indoor and outdoor units) and Uc line (wiring between outdoor and outdoor units) in
U-series
• Wiring between outdoor and outdoor units other than U-series
• For communication wiring specifi cations for outdoor unit other than U-series, refer to the Installation Manual
attached to the outdoor unit to be connected.
[Uh-line and line / wiring between outdoor and outdoor units other than U series]
UP to 2000 m (L1 + L5 + L6)
[Uv line and Uc line in U series]
Up to 1000 m (L2)
Up to 1000 m (L3 + L4)
[Between outdoor and outdoor units other than U series]
UP to 100 m (L7)
If U series models (TU2C-Link) are combined with models other than U series (TCC-Link), the wiring specifications
and maximum number of connectable indoor units will be changed.
Group control of multiple indoor units (16 units) through a single remote controller switch
BABABABABABA
(A.B)
16.oN15.oN4.oN3.oN2.oN1.oN
Indoor unit
Remote controller
Max. number of connectable indoor units, and communication type
Unit type
Outdoor unit U series U series U series U series
Indoor unit U series U series U series U series
Remote controller U series U series U series U series
Communication type TU2C-Link TCC-Link
Max. number of connectable units 16 8
: Other than U series
L1
L2
L3
L4
L5
L6
L7
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