NOTE
Screw size and tightening torque
P
o
w
r e
s
u
p
p
y
t
r e
n i
a
Communication wire connection
1.
2.
Screw size and tightening torque
C
o
u
n
c i
t a
o i
n
i w
e r
t
r e
n i
a
49-EN
Tightening torque
Screw size
M
6
M
8
fi
T
Uc
Uh
SHIELD
Uv
Tightening torque
Screw size
M
4
– 25 –
9
Address setting
On this unit, it is required to set the addresses of the indoor units before starting air conditioning.
Set the addresses following the steps below.
CAUTION
turning on the power
1. Follow the steps below to open the electrical control box cover
for MMY-MUP1921FT6*
r.
P
fi
P
r.
1441FT9* 1681FT9*
Screw
This is not
y.
50-EN