Indoor outlet pipe
Connecting pipe
Flare nut
5. Check if you flared the pipe correctly (see examples of incorrectly flared pipes below).
6. Align the pipes to connect them easily. Tighten the flare nuts first with your hands, and then with a torque wrench,
applying the following torque:
7. For further details on how to connect to the outdoor unit and evacuate the air, refer to page 11 .
Correct
Uneven
5IJDLOFTT
$SBDLFE
Damaged
Surface
Inclined
t &YDFTTJWFUPSRVFDBOCFDBVTFPGHBTMFBLBHF*GFYUFOEJOHQJQFCZXFMEJOHCSB[JOHQMFBTFFOTVSFOJUSPHFOJTVTFE
during welding/brazing process. The joint must be accessible and serviceable.
t 5JHIUFOUIFøBSFOVUXJUIUPSRVFXSFODIBDDPSEJOHUPTQFDJöFENFUIPE
*GUIFøBSFOVUJTPWFSUJHIUFOFEUIFøBSFNBZCSFBLBOEDBVTFSFGSJHFSBOUHBTMFBLBHF
4. Put a flare nut slightly into the pipe and modify the flare.
Pipe
Flare
90°± 2°
e
2
±
e
5
4
R 0.4~0.8
B
Cutting or extending the pipe
1. Make sure that you have all the required tools (pipe cutter, reamer, flaring tool and pipe holder).
2. If you want to shorten the pipe, cut it using a pipe cutter, ensuring that the cut edge remains at 90° with the side of the
pipe (see below examples of correct and incorrect cut edges).
Oblique
Rough
#VSS
Pipe
cutter
Pipe
3. To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer.
t 'BDFUIFQJQFEPXOXIJMFSFNPWJOHUIFCVSSTUPNBLFTVSFUIBUCVSSTEPOPUHFUJOUPUIFQJQF
Unit: inch (mm)
Outer diameter (D)
Depth (A)
'MBSFEJNFOTJPO -
ø 1/4” (6.35)
0.051 (1.3)
0.34 to 0.36 (8.7 to 9.1)
ø 3/8” (9.52)
0.071 (1.8)
0.50 to 0.52 (12.8 to 13.2)
ø 1/2” (12.70)
0.079 (2.0)
0.64 to 0.65 (16.2 to 16.6)
ø 5/8” (15.88)
0.087 (2.2)
0.76 to 0.78 (19.3 to 19.7)
Outer diameter
[inch (mm)]
Torque
<MCGtGU /tN>
5PSRVF LHGtDN
ø 1/4” (6.35)
10.3 to 13.3 (14 to 18)
140 to 180
ø 3/8” (9.52)
25.1 to 31.0 (34 to 42)
350 to 430
ø 1/2” (12.70)
36.1 to 45.0 (49 to 61)
500 to 620
ø 5/8” (15.88)
50.2 to 60.5 (68 to 82)
690 to 830
CAUTION
CAUTION
English-12
