Mitsubishi Electric Mr.SLIM SEZ-KD71VAQ Installation Manual page 3

6
[Fig. 6-1]
a
[Fig. 6-3]
b
a
90°
a Copper tubes c No good
b Good d Tilted
[Fig. 6-6]
a
A
b
c
a Flaring tool d Flare nut
b Die e Yoke
c Copper tube
[Fig. 6-9]
B
A
C
E
A Pipe cover (small) (accessory)
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
[Fig. 6-10]
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
øB
øA
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
E
D
F
AG
G
D Gas end of refrigerant piping
E Site refrigerant piping
F Main body
G Pipe cover (large) (accessory)
H Thermal insulation (field supply)
I Pull
J Flare nut
K Return to original position
B
1
C C
E
2
6.1
b
SEZ-KD25, 35
SEZ-KD50
SEZ-KD60
a Indoor unit
SEZ-KD71
b Outdoor unit
6.2
[Fig. 6-4]
b
a
c
d
a Burr c Spare reamer
b Copper tube/pipe d Pipe cutter
[Fig. 6-7]
a b
d e f
c
i
d Too much
e Tilted
f Scratch
on
flared plane
H
M
L
F
H
L
K
6.5
[Fig. 6-11]
A
A Indoor unit
B Pipe cover (short) (accessory)
C Tie band (accessory)
D Band fixing part
E Insertion margin
Model A B
9.52 6.35
12.7 6.35
15.88 6.35
15.88 9.52
[Fig. 6-5]
a Flare nut
b Copper tube
[Fig. 6-8]
g h
g Cracked
h Uneven
i Bad examples
J
I
O
20
J
O
L
L Ensure that there is no gap here
M Plate on main body
N Band (accessory)
O Ensure that there is no gap here. Place join upwards.
I
B
F
H
5 25
E
D
C
F Drain hose (accessory)
G Drain pipe (O.D. ø32 PVC TUBE,
field supply)
H Insulating material (field supply)
I Max.145 ± 5 mm
a
b
6.3
N
20
20
20
N
G
3