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Idiomas disponibles
<In the case of combining with outdoor units other than Super Modular Multi System u series (SMMS-u)>
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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.
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 unit and the remote controller are "other than U series", the wiring specification are
the same.
31-EN
1115652706_01_EN.indd 16
1115652706_01_EN.indd 16
u
n
t i
(L2, L3)
AWG16
(Up to 3280'10" (1000 m))
W
i
e r
s
z i
e
:
AWG14
(Up to 6561'8" (2000 m))
W
i
e r
s
z i
e
:
(Up to 328'1" (100 m))
AWG14
[Communication line]
(L1+L2+L3) = Up to 6561'8" (2000 m)
Remote controller wiring
2-core with non-polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring.
Remote controller wiring, remote controller inter-unit
wiring
Total wire length of remote controller wiring and remote
controller inter-unit wiring = L + L1 + L2 + ... Ln
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CAUTION
The remote controller wire (Communication line) and AC 208/230V wires cannot be parallel to contact
each other and cannot be stored in the same conduits. If doing so, a trouble may be caused on the control
system due to noise or other factor.
and maximum number of connectable indoor units will be changed. Pay attentions to their communication
specifications when carrying out the installation, maintenance, or repair For its details, refer to the "Communication
line" in 7 Electrical connection.
Indoor unit
Indoor unit
Remote
L
controller
L1
wiring
Remote
Remote controller inter-unit wiring
controller
– 16 –
Wire size: AWG20 to AWG14
In case of wired type only
Up to 1640'5" (500 m)
In case of wireless type
Up to 1312'4" (400 m)
included
t i
w
r i
n i
g
=
L
1
+
L
2
+
...
L
n
Up to 656'2" (200 m)
Indoor unit
Indoor unit
L2
Ln
EN
FR
ES
32-EN
10/8/20 8:11 PM
10/8/20 8:11 PM
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