English
14
Stop valve
mounting plate
Conduit mounting
plate (accessory)
Power supply wiring
(including ground wire)
or
Transmission wiring
Power supply wiring
(including ground wire)
or
Transmission wiring
Transmission wiring
between indoor unit
Ground wiring
(yellow/green)
Power supply wiring
Clamp (accessory)
Insulation tube small
(accessory)
Insulation tube large
(accessory)
Control terminal
block (X2M)
Power terminal
block (X1M)
Lock nut
Cover
Conduit
Clamp
(accessory)
Note
Be sure to avoid
contact with the
sensor and the
filed wiring.
Cover (Handle)
(accessory)
Screw
(accessory)
How to Insulation tube.
Use the insulation tube large to cover the power supply
•
wiring.
Use the insulation tube small to cover the transmission
wiring.
Joint the insulation tube with the tape and cut off the tube
•
sticking out of the outdoor unit.
tape
Insulation tube large-1
or
Insulation tube small-1
Insulation tube large-2
or
Insulation tube small-2
Cut off the sticking out
of the outdoor unit.
CAUTION
After fi nishing the electric wiring work, confi rm that all the
•
wirings are connected securely.
〈〈
Precautions when laying power wiring
〉〉
Two electric wires of different thickness cannot be connected
•
to the power terminal block.
(Slack in the electric wires may generate abnormal heat.)
Use round pressure terminals with insulting sleeve for
•
connection to the power terminal block.
If such terminals are not available for unavoidable reasons,
connect an electric wire of the same thickness to each side
as shown in the fi gure.
Power wire
Round pressure terminal
Attach insulation sleeve
Connect same-
thickness wiring
to both sides.
It is forbidden
to connect two
to one side.
It is forbidden to
connect wiring of
different thicknesses.
Make sure to observe the following items. If they are not
observed, abnormal heat may be generated by slack in electric
wires, etc.
For wiring, use the designated power wire and connect
•
fi rmly, 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)
M5
(Power supply and ground terminal block)
1.76 ~ 2.15
M4
(Shielded ground)
0.87 ~ 1.06
M3.5
(Transmission wiring terminal block)
0.58 ~ 0.72
01_EN_3P281953-4G.indd 14
01_EN_3P281953-4G.indd 14
2/21/2017 9:57:58 AM
2/21/2017 9:57:58 AM
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