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•
Do not pull cables J1, J2, J3, and J4 and their terminals casually. Ensure that the cables
are connected securely.
•
If there are only two smart cooling products in the converged cabinet, you only have to
connect cables 3, 4, and 10, since other cables are factory-installed. If there are three
smart cooling products, all cables except 1 to the third smart cooling product have to
be connected onsite.
•
The length of signal cable for the indoor and outdoor units cannot exceed 200 meters.
•
The signal cable should be shielded, and the shield layer shall be grounded.
No. Cable Name
Electric heater contactor
1
cable (required if an electric
heater is configured)
Control unit input power
2
cable
Outdoor unit power cable (3
3
x 6 mm
2
)
Signal cable for the indoor
and outdoor units (3 cores
4
outdoor shielded cable, 16-22
AWG)
5
J1 cable
6
J2 cable
Control unit output power
7
cable
8
J3 cable
9 J4 cable
Temperature/Humidity (T/H)
10
sensor cable
11 ECC800 cable
12 Ground cable
8
Verifying the Installation
From
Converged cabinet XT4-6 and XT4-
5 correspond to smart cooling
products 1 and 2, respectively. The
third smart cooling product is not
configured with this cable by
default.
Converged cabinet XT4-4
L (converged cabinet XT4-1, XT4-2,
and XT4-3 correspond to outdoor
units 3, 2, and 1, respectively.), N
bar, PE bar
X2.1, X2.2, and X2.3 ports on the
indoor unit
X101, X102, and X103 ports on the
indoor unit
X101, X102, and X103 ports on the
indoor unit
X1.1, X1.2, X1.3, and FU1-FU3 ports
on the indoor unit
X101, X102, and X103 ports on the
indoor unit
X101, X102, and X103 ports on the
indoor unit
RS485/12V port on the control unit T/H sensor
FE-2 port on the control unit
Ground point on the control unit
18
To
Contactor KM1 of the
corresponding smart cooling
product
The third smart cooling
product is not configured
with this cable by default.
INPUT1 port on the control
unit
L, N, and ground ports on
the electric control box of
the outdoor unit
P, Q, and E ports on the
electric control box of the
outdoor unit
J1 port on the control unit
J2 port on the control unit
OUT1 port on the control
unit
J3 port on the control unit
J4 port on the control unit
If the smart ETH gateway
•
is configured, connect the
cable to the PoE port on
the smart ETH gateway.
•
If no smart ETH gateway
is configured, connect the
cable to the WAN_2 port
on the ECC800.
IT cabinet ground copper
bar
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