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6
[Fig. 6-1]
ⓐ
[Fig. 6-3]
ⓑ
ⓐ
90
˚
ⓐ Copper tubes
ⓒ No good
ⓑ Good
ⓓ Tilted
[Fig. 6-6]
ⓐ
A
ⓑ
ⓒ
ⓐ Flaring tool
ⓑ Die
ⓒ Copper tube
[Fig. 6-9]
Ⓑ
Ⓐ
Ⓒ
Ⓔ
Ⓐ 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
insulation in its original position.
Take care to ensure that condensation does not form on
exposed copper piping.
Ⓒ Liquid end of refrigerant piping
[Fig. 6-10]
Ⓐ
Ⓒ
Ⓓ
Ⓐ Downward slope 1/100 or more
Ⓑ Connection dia. R1 external thread
Ⓒ Indoor unit
Ⓓ Collective piping
Ⓔ Maximize this length to approx. 10 cm
4
ØB
ØA
ⓒ
ⓓ
ⓔ
ⓕ
ⓔ Uneven
ⓕ Burred
ⓔ
ⓑ
ⓓ
ⓒ
ⓓ Flare nut
ⓐ Smooth all around
ⓑ Inside is shining without
ⓔ Yoke
any scratches
ⓒ Even length all around
Ⓓ
Ⓔ
Ⓕ
Ⓖ
Ⓑ
①
Ⓒ
Ⓒ
Ⓔ
②
6.1
ⓑ
ⓐ Indoor unit
ⓑ Outdoor unit
6.2
[Fig. 6-4]
ⓑ
ⓐ
ⓒ
ⓓ
ⓐ Burr
ⓒ Spare reamer
ⓑ Copper tube/pipe
ⓓ Pipe cutter
[Fig. 6-7]
ⓐ
ⓑ
ⓓ
ⓔ
ⓕ
ⓒ
ⓘ
ⓓ Too much
ⓔ Tilted
ⓕ Scratch on
flared plane
Ⓗ
Ⓜ
Ⓛ
Ⓕ
Ⓗ
Ⓛ
ⒶⒼ
Ⓓ 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
6.5
[Fig. 6-11]
Ⓐ
Ⓐ Indoor unit
Ⓑ Pipe cover (short) (accessory)
Ⓒ Tie band (accessory)
Ⓓ Band fixing part
Ⓔ Insertion margin
Model
SEZ-M25, 35
SEZ-M50
SEZ-M60
SEZ-M71
[Fig. 6-5]
ⓐ Flare nut
ⓑ Copper tube
[Fig. 6-8]
ⓖ
ⓗ
ⓖ Cracked
ⓗ Uneven
ⓘ Bad examples
Ⓙ
Ⓘ
Ⓞ
20
Ⓙ
Ⓞ
Ⓛ
Ⓚ
Ⓛ Ensure that there is no gap here
Ⓜ Plate on main body
Ⓝ Band (accessory)
Ⓞ Ensure that there is no gap here. Place join upwards.
Ⓘ
Ⓖ
Ⓑ
Ⓕ
5
25
Ⓗ
Ⓔ
Ⓓ
Ⓒ
Ⓕ Drain hose (accessory)
Ⓖ Drain pipe (O.D. ø32 PVC TUBE, field supply)
Ⓗ Insulating material (field supply)
Ⓘ Max.145 ± 5 mm
A
B
9.52
6.35
12.7
6.35
15.88
6.35
15.88
9.52
ⓐ
ⓑ
6.3
Ⓝ
20
20
20
Ⓝ
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