CEILING-CONCEALED
B-70
INST
ALLA
TION PROCEDURE
S series
CEILING-
CONCEALED
6
[Fig. 6-1]
ØB
ØA
/
0
/
Indoor unit
0
Outdoor unit
/
2
1
0
3
4
90
2
1
0
/
0
/
/
0
3
0
3
2
1
A
1
0
/
2
3
4
5
6
7
[Fig. 6-9]
"
"
!
!
20
20
20
20
[Fig. 6-10]
[Fig. 6-3]
[Fig. 6-6]
[Fig. 6-4]
[Fig. 6-5]
/
Flare nut
0
Copper tube
/
Burr
0
Copper tube/pipe
1
Spare reamer
2
Pipe cutter
[Fig. 6-7]
[Fig. 6-8]
Downward slope 1/100 or more
Connection dia. R1 external thread
Indoor unit
Collective piping
Maximize this length to approx. 10 cm
/
Flaring tool
0
Die
1
Copper tube
2
Flare nut
3
Yoke
/
Smooth all around
0
Inside is shining without
any scratches
1
Even length all around
2
Too much
3
Tilted
4
Scratch on
flared plane
5
Cracked
6
Uneven
7
Bad examples
6.1
6.2
/
Copper tubes
0
Good
1
No good
2
Tilted
3
Uneven
4
Burred
6.3
6.5
Model
SEZ-KD25, 35
SEZ-KD50
SEZ-KD60
SEZ-KD71
A
9.52
12.7
15.88
15.88
B
6.35
6.35
6.35
9.52
Indoor unit
Pipe cov
5
25
er (short) (accessory)
Tie band (accessory)
Band fixing part
Insertion margin
Drain hose (accessory)
Drain pipe (O.D. ø32 PVC TUBE, field supply)
Insulating material (field supply)
Max.145 ± 5 mm
[Fig. 6-11]
Pipe cover (small) (accessory)
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.
Liquid end of refrigerant piping
Gas end of refrigerant piping
Site refrigerant piping
Main body
Pipe cover (large) (accessory)
Thermal insulation (field supply)
Pull
Flare nut
Return to original position
Ensure that there is no gap here
Plate on main body
!
Band (accessory)
"
Ensure that there is no gap here. Place join upwards.
