R410A Mini Split Chiller 50Hz MCAC-UTSM-2014-01
76
NOTE:
Please connect the attached shorted-wires to the corresponding communication port COM(I) or COM(O) in
the main control board of the last parallel unit (dial code ). Directly connect to the last parallel unit if only one
unit is connected.
The wiring procedure and principles are shown in the figure:
P
B
l
a
c
k
Q
G
r
a
y
E
Y
e
l
l
o
w
Y
X
Outdoor electric
control box
Communicate with
upper unit(reserved).
Please use 3-cord with shielding
wire for connection. The wire
length depends on the specific
situation in the installation.
wired controller
5-bit terminal base
If it is under the host computer
network control, displays,
otherwise there is no display.
20.2.7 USING METHOD
CLOCK SETTING
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