RDCI Series – All DC Inverter Outdoor Units
6 720 862 437 (2016/10)
ELECTRIC WIRING | 15
7.3 The nameplate of SBOX02-1
7.4 The nameplate of SBOX02E-1
Table.7-1
Model of SBOX
SBOX02-1 SBOX04-1 SBOX06-1 SBOX02E-1 SBOX04E-1
Maximum
capacity
of single group
pipe
16kW ___________
Maximum indoor
units quantity of
single group pipe
4 1
Maximum
capacity of SB
28kW 45kW 28kW 56kW
Downstream of the
largest length
40m
NOTE
■ Single group pipe means one connecting liquid pipe and one
connecting gas pipe.
■ If you disable auto mode function you can connect up to 4 units via
an SBOX. If auto mode is selected then only one indoor unit can be
connected.
■ Indoor units connected together on the same connection ports at
the SBOX, auto mode cannot be selected. This will conflict modes
and cause error.
■ Prior to installing the SBOX, ensure a suitable location is selected, as
an SBOX will create operational noises.
■ The SBOX must be installed horizontally and level.
■ There must be at least 1m distance between an SBOX and a branch
joint pipe assembly.
■ There will be 30 seconds auto-checking function after the indoor
and outdoor units have been activated.
■ Indoor units must be manually addressed.
8. ELECTRIC WIRING
8.1 Terminal base function
M-O
M-I
P Q E
P Q E P Q E
T2C1 T2C2
CN13
Fig. 7-3
TO INDOOR2 TO INDOOR1
BLUE
RED
Y/G
TO OUTDOOR
POWER IN
TRANS
Blue
White
Black
Yellow
YELLOW
ORANGE
Black
Black
Gray
M-O
M-I
P Q E
P Q E
T2C1 T2C2
CN13
XT2
Fig. 7-4
TO INDOOR
BLUE
RED
Y/G
TO OUTDOOR
POWER IN
TRANS
Yellow
YELLOW
ORANGE
Black
Black
Gray
L1 L2 L3 N
Fig. 8-1
To 380-415V 3N~ 50Hz
Fig. 8-2
Outdoor units
centralised
monitoring
Network
accounting
Indoor units
centralised
controls
Indoor units
communication
Outdoor units
communication
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