Wired Controller DWUNI User Manual
24
4.4 Disassembly
Fig. 24 Disassembly diagram for wired controller
No need to set the wire of wired controller into the clasp.
If the air conditioning unit is installed where
it
is vulnerable to electromagnetic
interference,then the signal and communication lines of the wired controller must be
a
shield
ed
twisted pair.
The 4-
pin
terminal connects
to the indoor unit
, while the 2-
pin
terminal
connects t
o a
central controller
or additional wired controller
. The connecting method
for the 2-core connection wire is same as that of 4-core connection wire.
(3)
Stick the soleplate of wired controller on the wall and then use screw M4×25 to
attach
soleplate and installation hole on wall together;
(4)
Insert the four-c
onductor
twisted pair line into the slot of the wired controller and
then
snap
the front panel and the soleplate of the wired controller together.
(5)
Block the four-core wire into the groove at the left side of wiring column; bundle
the front panel of wired controller to its soleplate.
Note:
Separate the signal and communication lines of the wired controller from
the
power cord and connection lines between the indoor and outdoor unit, with a
minimum interval of
8 inches
, otherwise the communication of the unit
may
work
abnormally
due to interference
.
Connect to either H1
terminal or H2 terminal.
As to which terminal
should be connected,
it depends.
© 201
8
Johnson Controls, Inc.
LIT-120
125
04
Issued
June
2018
