AC Fan Coil Unit Two-pipe Wall-
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7. Wiring figure
1) Connect two terminals of embedded 4-core shielding wire with the switching wires of wired remote controller and
signal receiving board. Make sure the sequence of 4 terminals (A, B, C and D) should correspond to the wire
sequence of signal switching wires (A, B, C and D).
2) If embedded 4-core shielding wire cannot go through the wired controller, it can use signal switching for connection
and make sure the wires are reliable and firm. The tightening torque range of the screw is 0.8~1.2N .m (8~12 kgf.cm).
8. Back cover installation
1) Use straight head screwdriver to insert into the buckling position in the bottom of a wired controller, and spin the
screwdriver to take down the back cover. (Pay attention to spinning direction, if not you maybe damage the back
cover.)
2) Use three GB950-86 M4X20 screws to directly install the back cover on the wall.
3) Use two M4X25 GB823-88screws to install the back cover on the 86 electrician box, and use one GB950-86
C
D
A
B
C
D
A
B
C
D
A
B
+5V
GND
IR+
IR-
4-core shielding wire embedded in the wall
Attached connecting wires for the signal receiving panel
Front cover
Control panel
Screw
Signal switching wire
4-core shielding wire
Attached connecting wires for
the signal receiving panel
4-core shielding wire
Attached connecting wires for
the signal receiving panel
Front cover
Straight head screwdriver
Screw hole installed on
the wall,use three
GB950-86 M4X20
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