Toshiba MMY-SUG0801MT8P-E Installation Manual page 47

Table-1 Uv line
Wiring 2-core, non-polarity
Type Shield wire
Size/Length 1.0 to 1.5 mm² : Up to 1000 m
Table-2 Uh line
Wiring 2-core, non-polarity
Type Shield wire
1.0 to 1.5 mm² : Up to 1000 m
Size/Length
2.0 mm²
Table-3 Remote controller wiring, Flow Selector unit Multi-port type and Single-port type, Shut-off Valve
unit wiring, Leak Detector wiring
Wiring 2-core, non-polarity
Type 0.5 mm² to 2.0 mm²
• Up to 300 m (L4+L5+L6+L7)
• Up to 400 m in case of wireless remote controller in group control.
• Up to 200 m total length of communication wiring between indoor units
Length
• Up to 300 m. (L4)
• Up to 100 m. (L7)
• U (v, h, c) line means of control wiring.
Uv line: Between indoor and outdoor units.
Uh line: Central control line.
Uc line: Between outdoor and outdoor units (U series).
<U series>
Central controller device
L1
<SHRM Advance>
Outdoor unit
(SHRM-A)
L2
<U series>
Indoor unit
<U series>
Remote controller
Flow Selector
<SHRM Advance>
Multi port type FS unit and single port
type FS unit and Shut-off Valve unit
<SHRM Advance>
Leak Detector
91-EN
: Up to 2000 m
and FS unit (Multi-port type and Single-port type) or SV unit. (L5+6)
L3
(DN14=1) (DN14=0) (DN14=0)
L4 L5
L6
L7
Leak Detector wiring (L7) is
length from header indoor unit
(DN14=1).
REQUIREMENT
• For the central control line (L1) when SHRM Advance outdoor units and outdoor units other than SHRM
Advance and U-series are connected to the central control device, follow the communication wiring
specifications for outdoor unit other than SHRM Advance and 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 SHRM Advance and U-series
• Uv line (wiring between indoor and outdoor units) and Uc line (wiring between outdoor and outdoor units) in
SHRM Advance and U-series
• Wiring between outdoor and outdoor units other than SHRM Advance and U-series
• For communication wiring specifications for outdoor unit other than SHRM Advance, refer to the Installation
Manual attached to the outdoor unit to be connected.
[Uh-line and line / wiring between outdoor and indoor units other than SHRM Advance and U series]
Up to 2000 m (L1 + L10 + L11)
[Uv line and Uc line in U series]
Up to 1000 m (L2, L3)
Up to 1000 m (L8 + L9)
[Between outdoor and outdoor units other than SHRM Advance and U series
Up to 100 m (L12)
<U series>
Outdoor unit
(SMMS-u)
L9
L8
<U series>*
Indoor unit
<U series>*
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.
– 46 –
<Other than U series.>
Outdoor unit
(SMMS-i)
(SMMS-e)
(MiNi SMMS)
etc.
L11
L10
<U series>*
Indoor unit
<U series>*
Remote controller
L12
EN
92-EN