24-EN
Installation Manual
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<In the case of combining with outdoor units other than Super Modular Multi System u series
(SMMS-u)>
Control wiring between indoor units, and outdoor unit
(L2, L3)
(2-core shield wire, non-polarity)
Wire size :
1.25 mm²
2.0 mm²
(Up to 1000 m)
(Up to 2000 m)
Central control line wiring
(L1)
(2-core shield wire, non-polarity)
Control wiring between outdoor units
(L4)
(2-core shield wire, non-polarity)
Wire size :
1.25 to 2.0 mm²
(Up to 100 m)
•
The length of the communication line
(L1+L2+L3)
means the total length of the inter-unit wire length
between indoor and outdoor units added with the central control system wire length.
* Even if the indoor unit and the remote controller are “other than U series”, the wiring speci
fi
cation are
the same.
[Communication line]
(L1+L2+L3)
= Up to 2000 m
Central control device
<Other than U series>
Outdoor unit
(SMMS-i)
(SMMS-e)
(MiNi SMMS)
etc.
<U series>*
Indoor unit
<U series>*
Remote controller
