Flaring Work; Pipe Connection - Mitsubishi Electric MSZ-SF15VA Instruction Manual

2-5. FLARING WORK

order to avoid to let burrs drop in the
piping.
Burr
Fig. 3
Die
Flare nut
Fig. 5
Nut
tool
for
for R22
R410A
22
1.0 to
0 to 0.5
26
29

2-6. PIPE CONNECTION

Indoor unit connection
• Use tightening torque table below as a guideline for indoor unit side union
Outdoor unit connection
applied for indoor unit.
indoor unit.
WARNING
refrigerant pipes before starting the compressor.
-
pipe
Fig. 1
-
No good
Good
Tilted Uneven Burred
Fig. 2
Flaring tool
Fig. 4
Inside is shining with-
around
Even length
Fig. 6
all around
Tightening torque
Wing
tool tool
for R22
140 to 180
1.5 to
2.0
34.3 to 41.2 350 to 420
1.5
49.0 to 56.4
2.0 to
2.5
2-7. INSULATION AND TAPING
sold insulation to prevent condensation.
2-8. CONNECTING AN INTERFACE (MAC-397/399
TO THE AIR CONDITIONER
tioner with a connecting cable.
defects in connecting. Do not bundle the connecting cable together with
those wires.
• The thin part of the connecting cable should be stored and placed where
Thin part of the connecting cable.
cannot touch it.
conditioner
Indoor control
thin part of the connecting cable in the cover. Reinstall the front panel and
the lower right corner part.
-
WARNING
-
-
En-4