31
Installation of Outdoor unit
Step 4: Connect indoor and outdoor pipe
1
. Remove
the
screw
on
the
right
handle
o
f
outdoor
unit
and
then
remove
the
handle.
3
. Pretightening the union nut with hand.
2.
Remove
the
screw
cap
of
valve
and
aim
the
pipe
joint
at
the
bellmouth
of
pipe
4
.
Step 5: Connect indoor and outdoor
1
. Remove the wire clip; connect the power connection wire and signal control wire (only
for cooling and heating unit ) to the wiring terminal according to the color, fix them with
screws.
2
. Fix the power connection wire and signal control wire with wire clip (only for
cooling and heating unit).
Note:
●
After tighten the screw, pull the power cord slightly to check if it is firm.
●
Never cut the power connection wire to prolong or shorten the distance.
Tighten
the
union
nut
with
torque
wrench
by
referring
to
the
sheet
below.
Hex nut diameter Tightening
torque (N.m )
15~20
30~40
45~55
60~65
70~75
6
9.52
12
16
19
