¥
~gg_xvlgj |l|_m +ylj /
Fig. 4-1 is a sample of piping system.
·]JE \RDDJU\GYNNH YOYGNY`NJ \RJU GJ YUJ WJQ0 ¤UY NGÖWGQ YEQ Y GJ
with commercially available insulation materials (heat-resistant to 120°C or more,
thickness of 15 mm or more).
§]J GEQRRU YUM R¢ M]J QUYGE GJ ]RWNQ `J ¤UYJQ ¤GM] RNHJM]HNJEJ ¢RYD GEWNY-
MGRE DYMJUGYN ®J\G©\ UYOGMH R¢ Ð0 M]G\XEJ R¢ Õ DD RU DRUJ´
¡NH M]GE NYHJU R¢ UJ¢UGJUYEM RGN MR GJ YEQ xRGEM JYMGE WU¢Y\J `J¢RUJ MG]MJEGE
YUJ EWM
A
¨J M¤R ¤UJE\]J MR MG]MJE GGE \REEJ\MGRE
B
¨J NJYX QJMJ\MRU RU RYH ¤YMJU MR \]J\X ¢RU Y NJYX Y¢MJU \REEJ\MGRE YUJ
completed.
¡NH UJ¢UGJUYMGE DY\]GEJ RGN ROJU M]J JEMGUJ YUJ JYM WU¢Y\J
C
¨J M]J YUJ EWM ¢RU M]J ¢RNNR¤GE GJ G^J
D
Indoor unit
Outdoor unit
15-50
63-140
100-140
Gas side
Pipe size (mm)
ø12.7
Ôª«¹¹
Ôª«¹¹
Liquid side
Pipe size (mm)
ø6.35
ø9.52
ø9.52
·]JE `JEQGE M]J GJ0 `J \YUJ¢WN ERM MR `UJYX M]JD ËJEQ UYQGW R¢ ª DD MR
ª« DD G W¢©\GJEM
Make sure the pipes do not contact the compressor. Abnormal noise or vibration
may result.
1
Pipes must be connected starting from the indoor unit.
Flare nuts must be tightened with a torque wrench.
2
Flare the liquid pipes and gas pipes and apply a thin layer of refrigeration oil (Ap-
plied on site).
·]JE WWYN GJ JYNGE G WJQ0 UJ¢JU MR §Y`NJ Ð ¢RU YUGE R¢ ¬ª¡ UJ¢UGJUYEM
pipes.
§]J G^J YQxWMDJEM YWJ \YE `J WJQ MR \RE©UD ¡ DJYWUJDJEM
Warning:
p_g lgmvzkklgj vp_ qglv m_xq\_k x~gg_xv vp_ \_\lj_\zgv |l|_m _~\_ mvz\vlgj
vp_ x~|\_mm~\
A
(mm)
A
Liquid pipe
B
Gas pipe
PUMY-P100-140
ø9.52
Ôª«¹¹
B, C, D
(mm)
C
Total capacity of indoor units
A
Liquid pipe
B
Gas pipe
ø9.52
Ôª«¹¹
a, b, c, d, e, f
(mm)
D
Model number
A
Liquid pipe
B
Gas pipe
15, 20, 25, 32, 40, 50
ø6.35
ø12.7
¶Ð0 ¹0 ª0 ª³«0 ª¬
ø9.52
Ôª«¹¹
E
Branch kit model
CMY-Y62-G-E
F
4-Branching header
G
¹ËUYE\]GE ]JYQJU
CMY-Y64-G-E
º°±±¶¹ØC
A
Flare cutting dimensions
B
Flare nut tightening torque
A
Die
B
Copper pipe
ylj
A
¡
A
(Fig. 4-2)
B
(Fig. 4-2)
Table 3 (Fig. 4-3)
8gmvzkklgj vp_ \_\lj_\zgv |l|lgj
A
H
B
C
L
Ù
D
e
a
h
b
c
d
A
a
b
c
d
e
f
H
h
L
Ù
A
: Outdoor Unit
B
: First Branch
C
: Indoor unit
D
: Cap
¡Â˺ÂÇÂYÂ`Â\ÂQÂJ
120 m
Á Ú ¡Â˺ÂÇÂJ
¹ D
Ù Ú ËºÂÇÂJ
30 m
H 50 m (Outdoor lower H 20 m)
h 12 m
¡ÂYÂ`Â\ÂQÂJ¢
120 m
Á Ú ¡Â¢
¹ D0 Ù Ú ¢
30 m
H
50 m (Outdoor lower H 20 m)
h 12 m
ylj
90°
±
0
.5°
ø
A
45°± 2°
¬
¹
Copper pipe O.D. (mm)
A (mm)
Flare tool for R410A
Flare tool for R22·R407C
Clutch type
ø6.35 (1/4Ò)
0 - 0.5
1.0 - 1.5
ÔÕ«³ ®ÐѹÒ)
0 - 0.5
1.0 - 1.5
ø12.7 (1/2Ò)
0 - 0.5
1.0 - 1.5
Ôª«¹¹ ®«Ñ¹Ò)
0 - 0.5
1.0 - 1.5
ø19.05 (3/4Ò)
0 - 0.5
1.0 - 1.5
Copper pipe O.D.
(mm)
Flare dimensions
øA dimensions (mm)
ø6.35
¹¸ Õª
ø9.52
ª³¹ ªÐ³
ø12.7
16.2 - 16.6
Ôª«¹¹
19.3 - 19.7
Copper pipe O.D.
(mm)
Flare unt O.D.
(mm)
Tightening torque
®¥ÝD´
ø6.35
17
ª¬ ª¹
ø6.35
22
34 - 42
ø9.52
22
34 - 42
ø12.7
26
49 - 61
ø12.7
29
¶¹ ¹³
Ôª«¹¹
29
¶¹ ¹³
Ôª«¹¹
36
100 - 120
