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Idiomas disponibles
Idiomas disponibles
<U series>*
Central control device
<U series>
Outdoor unit
<U series>*
Indoor unit
<U series>*
*
29-EN
– 15 –
[Uh line]
L1
[Uv and Uc line]
L2 = Up to
(L3 + L4) = Up to
fi
<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)
Central control line wiring (L1)
(2-core shield wire, non-polarity)
Control wiring between outdoor units (L4)
(2-core shield wire, non-polarity)
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.
REQUIREMENT
For connection of between indoor and outdoor units line / between outdoor and outdoor units line or central
control line, wire each line using wires with the same type and size. If different wire types and size are mixed
and used in a system, communication trouble is caused.
<U series>*
Uh
Central control device
<Other than U series>
Outdoor unit
(SMMS-i)
(SMMS-e)
(MiNi SMMS)
etc.
<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.
AWG16
Wire size :
AWG14
Wire size :
AWG14 to16
[Communication line]
(L1 + L2 + L3) = Up to
L4 = Up to
30-EN
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