Mitsubishi Electric SEZ-KC25VA Manuel D'installation page 3

7
[Fig. 7-1]
(A)
a
(B)
(C)
[Fig. 7-3]
b
a
90°
a Copper tubes c No good
b Good d Tilted
[Fig. 7-6]
a
A
b
c
a Flaring tool d Flare nut
b Die e Yoke
c Copper tube
[Fig. 7-9]
B
A
C
E
G
A Thermal insulation tubing 1
B Caution:
Pull out the thermal insulation on the refrigerant piping at the
site, insert the flare nut to flare the end, and replace the insu-
lation in its original position.
Take care to ensure that condensation does not form on ex-
posed copper piping.
C Liquid end of refrigerant piping
D Gas end of refrigerant piping
[Fig. 7-10]
A
C
D
A Downward slope 1/100 or more
B Connection dia. R1 external thread
C Indoor unit
D Collective piping
E Maximize this length to approx. 10 cm
b
a Indoor unit
b Outdoor unit
c
d e f
e Uneven
f Burred
e
b
d
c
a Smooth all around
b Inside is shining without
any scratches
c Even length all around
D
E
Q
F
J
I
H
I
E Site refrigerant piping
F Main body
G Marked "GAS"
H Marked "OUTSIDE"
I Flared insulation (supplied) 1
J Marked "INSIDE"
K Thermal insulation
L Pull
M Flare nut
7.5
B
1
C C
E
2
7.1
[Fig. 7-2]
a
Ø9.52
7.2
[Fig. 7-4]
b
a
c
d
a Burr c Spare reamer
b Copper tube/pipe d Pipe cutter
[Fig. 7-7]
a b
d e f
c
i
d Too much
e Tilted
f Scratch
on
flared plane
K
P
O
R
F
K
O
N
8
[Fig. 8-1]
A Air inlet
B Air outlet
C Access door
D Ceiling surface
E Canvas duct
Ø6.35
[Fig. 7-5]
a Flare nut
b Copper tube
[Fig. 7-8]
g h
g Cracked
h Uneven
i Bad examples
M
L
T
V
M
20
V
20
O
N Return to original position
O Ensure that there is no gap here
P Plate on main body
Q Outside
R Inside
S Remove tape
T Thermal insulation tubing (small) (supplied) 2
U Tie (large) (supplied) 4
V Ensure that there is no gap here. Place join upwards.
G
C
A
H
F Connect common reference potential
wire between duct-work to air condi-
tioner.
G Air filter
H Inlet grille
b
a Indoor unit
b Outdoor unit
a
b
7.3
S
20
I
20
U
F
E
D
B
3