Daikin RXYQ6BRY16 Installation Manual page 38

INFORMATION
In case of the installed unit is RXYQ~BRY16,
and to cope CISPR 14-1 standard accordance
with each country legislation, it must be
connected the transmission wiring of X0 and
X1 in accordance with conditions below.
The transmission wiring must be used a
•
shielded wire.
Thread the transmission wiring, through the
•
ferrite core (accessories), and tie the wiring
and the ferrite core together with the clamp
(accessories).
How to pass wire through the rubber sleeve:
1
Remove the rubber sleeve (detachable portion).
2
Place the wire.
36
01_EN_3P748230-1.indd 36
Clamp
(accessories)
Ferrite core
Transmission wires
(accessories)
(field supply)
Screw Buckle
Shielded part
Transmission wires
of X0 and X1
Secure the transmission
wires between units to the
copper foil of the buckle
3
Attach the rubber sleeve (detachable portion).
Attach by inserting the electrical component box
edge into the slit of the rubber sleeve.
Electrical component
box edge
4 Fix with a clamp.
Outside the units, the transmission wiring must be
•
finished simultaneously with the local refrigerant
piping, and wound with tape (field supply) as shown
in the figure below.
5
2
4
3
1
3
For multi system:
•
1 Transmission wiring between outdoor units in the
same piping system must be connected to
terminals X4 and X5.
Connecting the wires to the X2, X3 terminals
results in system malfunction.
2 Wiring to other systems should be connected to
terminals X2 and X3 on the printed circuit board of
the master unit. The outdoor unit that connects
transmission wiring to indoor unit is the master unit.
The others are sub unit.
All transmission wiring is to be procured onsite.
•
See the table below for the tightening torque of the
transmission wiring terminals.
Screw size Tightening torque
M3.5 (X2M)
Never connect the power supply to transmission
•
wiring terminal block. Otherwise the entire system
may break down.
Be careful about polarity of the transmission wiring.
•
1 Gas pipe
2 Liquid pipe
3 Insulation material
4 Finishing tape
5 Transmission wiring
0.8-0.97 N·m
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