Guidelines When Knocking Out Knockout Holes; Guidelines When Connecting The Electrical Wiring; To Connect The Electrical Wiring On The Outdoor Unit - Daikin VRV IV-S Installer And User Manual

NOTICE
▪ The reversed phase protection detector of this product
only functions when
Consequently reversed
performed during normal operation of the product.
▪ The reversed phase protection detector is designed to
stop the product in the event of an abnormality when
the product is started up.
▪ Replace two of the three phases (L1, L2, and L3)
during reverse-phase protection abnormality.
6.8.3 Guidelines when knocking out knockout
holes
NOTICE
Precautions when making knockout holes:
▪ Avoid damaging the casing.
▪ After making the knockout holes, we recommend you
remove the burrs and paint the edges and areas
around the edges using repair paint to prevent rusting.
▪ When passing electrical wiring through the knockout
holes, wrap the wiring with protective tape to prevent
damage.
a b
a Knockout hole
b Burr
c Sealant etc.
6.8.4 Guidelines when connecting the electrical
wiring
Keep the following in mind:
▪ If stranded conductor wires are being used, install a round crimp-
style terminal on the tip. Place the round crimp-style terminal on
the wire up to the covered part and fasten the terminal with the
appropriate tool.
b a
a Stranded conductor wire
b Round crimp-style terminal
▪ Use the following methods for installing wires:
Wire type
Single core wire
A
a Curled single core wire
b Screw
c Flat washer
RXYSQ8~12TMY1B
VRV IV-S system air conditioner
4P404225-1B – 2016.03
the product starts
phase detection is
c
Installation method
c b
AA´
A´
c
a a
Wire type
Stranded conductor
wire with round
up.
crimp-style terminal
not
Tightening torques
In case of RXYSQ8:
Wiring
Power supply wiring
(power supply +
shielded ground)
Transmission wiring
In case of RXYSQ10+12:
Wiring
Power supply wiring
(power supply +
shielded ground)
Transmission wiring
6.8.5 To connect the electrical wiring on the
outdoor unit
NOTICE
▪ Follow the wiring diagram (delivered with the unit,
located at the inside of the service cover).
▪ Make sure the electrical wiring does NOT obstruct
proper reattachment of the service cover.
1 Remove the service cover. See
unit" on page 16.
2 Strip insulation (20 mm) from the wires.
a
a Strip wire end to this point
b Excessive strip length may cause electrical shock or
leakage.
3 Connect the transmission wiring as follows:
X1M (A1P)
TO IN/D
F1 F2
a
b
a Use the conductor of sheathed wire (2 wire) (no polarity)
b Terminal board (field supply)
6 Installation
Installation method
c b a
B
B
a
a Terminal
b Screw
c Flat washer
Screw size Tightening torque
(N•m)
M5 2.2~2.7
M3 0.8~0.97
Screw size Tightening torque
(N•m)
M8 5.5~7.3
M3.5 0.8~0.97
"6.2.2 To open the outdoor
b
TO MULTI
TO OUT/D
UNIT
F1 F2 Q1 Q2
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
Installer and user reference guide
b c
27