Daikin DZ17VSA481AA - High Voltage Wiring Procedures; High Voltage Connections; Wire Connection Precautions

13
English
hIgh Voltage connectIonS
Route power supply and ground wires through the high volt-
age port and terminate in accordance with the wiring diagram.
CAUTION
•Before connectIng the wIrIng to the termInal Block, remoVe
the ShIeldIng plate. and take It Back after workIng. (3.5 - 5.0
ton only)
•precautIonS to Be taken for power Supply wIrIng.
when uSIng Stranded wIreS, make Sure to uSe a round crImp-
Style termInal for connectIon to the power Supply termInal
Block.
place the round crImp-Style termInalS on the wIreS up to the
coVered part and Secure In place.
Round crimp-style
terminal
Stranded wire
<1.5 - 3.0 ton>
Flat washer
Good
Flat washer
Flat washer
Screw
Screw
Screw
Round
crimp-style
terminal
Round crimp-
style terminal
Round crimp-
style terminal
A
Wrong
Arrow view A
<3.5 - 5.0 ton>
Cup washer
Good
Cup washer
Cup washer
Screw
Screw
Screw
Round
crimp-style
terminal
Round crimp-
style terminal
Round crimp-
style terminal
B
Wrong
Arrow view B
Notch side
•when connectIng the connectIon wIreS to the termInal Block
uSIng a SIngle core wIre, Be Sure to curl the end of the lead.
Improper work may cauSe heat and fIreS.
Good
Wrong
Good
Wrong
Excessive strip length
may cause electric shock
or current leakage.
Strip wire end
to this point.
•uSe the followIng method when InStallIng a SIngle core wIre.
<1.5 - 3.0 ton>
Flat
washer
Screw
A single core wire
C
Arrow view C
<3.5 - 5.0 ton>
Cup
washer
Screw
A single core wire
A single core wire
D
Arrow view D
•for wIrIng, uSe the deSIgnated power wIre and connect fIrmly,
then Secure to preVent outSIde preSSure BeIng exerted on the
termInal Board.
•uSe an approprIate ScrewdrIVer for tIghtenIng the termInal
ScrewS.
a ScrewdrIVer wIth a Small head wIll StrIp the head and make
proper tIghtenIng ImpoSSIBle.
•oVer-tIghtenIng the termInal ScrewS may Break them.
•See the taBle Below for tIghtenIng torque for the termInal
ScrewS.
Tightening torque (ft·lbf)
M4 Power supply wire for 1.5 - 3.0 Ton 0.87 - 1.06
M5 Power supply wire for 3.5 - 5.0 Ton 1.76 - 2.15
• Make sure to apply the rated voltage of 208/230V for the
unit.
• Use conduit for power supply cables.
• A power circuit (see the following table) must be provided
for connection of the unit. This circuit must be protected
with the required safety devices.
• When using residual current operated circuit breakers, be
sure to use a high-speed type (0.1 seconds or less) 200
mA rated residual operating current.
• Use copper conductors only.
• Use insulated wire for the power cord.
• Select the power supply cable type and size in accor-
dance with relevant local and national regulations.
• Outside the unit, make sure to keep the wirings 5 inch
away. Otherwise, the outdoor unit may be affected by
electrical noise (external noise), and malfunction or fail.
• Make sure the wirings will not be pinched by the front
panel, and close the panel rmly.
• Route the conduit along the unit by using a elbow socket
and so on to prevent it from being stepped on.