Daikin RZVF50, Installation Manual

Page: 45 / 70

9-3 WIRING CONNECTION METHOD
-� CAUTION FOR WIRING -------
• For connection to the terminal block, use ring type crimp
style terminals with insulation sleeve or insulate the wirings
properly.
Insulation sleeve
Ring type crimp
style terminals
Fig.18
• Connect the terminal as shown in Fig. 19.
Wiring
• Do not carry out soldering finish when stranded wirings
are used. (Otherwise, the loosening of wiring may result in
abnormal heat radiation.)
Use wirings same in size
(if the air conditioner is
in simultaneous multi operation)
Fig.19
(Abnormal heating may occur if the wirings are not tightened
securely.)
• Use the required wirings, connect them securely and fix
these wirings securely so that external force may not apply to
the terminals.
• Use a proper screw driver for tightening the terminal screws.
If an improper screw driver is used, it may damage the screw
head and a proper tightening cannot be carried out.
• If a terminal is over tightened, it may be damaged.
Refer to the table shown below for tightening torque of
terminals.
Table5
Terminal block for remote controller
and transmission wirings
Terminal for power supply
Earth terminal
Tightening torque (N-m)
0.88 ± 0.08
1.47 ± 0.14
1.47 ± 0.14
• Do not carry out soldering finish when stranded wirings
are used.
-�WARNING-----------
• When wiring, form the wirings orderly so that the control box
lid can be securely fastened. If the control box lid is not in
place, the wirings may come out or be sandwiched by the
box and the lid and cause electric shocks or a fire.
(1) Remove the control box lid.
Fig.20
(2) Connect the wiring into the control box through the
wiring intake beside the control box.
Low voltage wiring inlet
Remote controller wiring
(low voltage)
High voltage wiring
Inlet Power supply wiring (High voltage)
Earth wiring (High voltage)
to onnecting Wiring (High Voltage)
Fig.21
(3) Follow the instructions below and perform wiring in
the control box.
Power supply terminals (X1 M, X2M)
Terminal block (Xt M) Terminal block (X2M)
Outdoor unit Indoor unit
Terminal block Terminal block
I
Match the numbers
I
Connection method of wiring
between the indoor and outdoor units
Securely fix the wiring to
the provided plastic band
with cable tie.
Remote controller wiring
(low voltage)
Connect the wiring
through the control box
up to the sheathed part.
Wiring between the indoor and
outdoor units (high voltage)
Earth wiring (high voltage)
Power supply wiring (high voltage)
for wiring between the for power supply
indoor and outdoor units wiring
(
Connection method for
)
wiring between the
indoor and outdoor units,
and earth wiring
Terminal block
(X3M)
for remote controller wiring
(S)
Prohibited
Do not connect wiring between
the Indoor and outdoor units
Remote controller wirin ,
(
� hi
=g
h
-;;:
v=o=lta
=
g
=
e
)
=
. ======:'.:....__,
No polarity
<Remote controller wiring method>
Fig.22
(4) Mount the control box lid and wrap the wire sealing
material (small) (9) so that the wiring through hole
will be covered by the sealing material.
• Seal the clearance around the wirings with putty or insu­
lating material (field supply).
(If insects and small animals get into the indoor unit,
short-circuiting may occur inside the control box.)
Wire through holes
Fig.23
45