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10
English
How to Use Reducers
No.1
F
15.9
lF
12.7
No.2
F
12.7
lF
9.5
No.3
F
15.9
lF
12.7
No.4
F
12.7
lF
9.5
No.5
F
15.9
lF
9.5
No.6
F
15.9
lF
9.5
Gasket (1)
Gasket (2)
Reduce and gasket
Use the reducers in the
B
reducer assy as described below.
Connecting a pipe of
1)
φ
12.7 to a gas pipe connection port for
φ
15.9:
No. 1
No. 3
Flare nut (for
F
15.9)
Inter-unit pipe
Connection port of outdoor unit
Be sure to attach
the gasket.
Connecting a pipe of
2)
φ
9.5 to a gas pipe connection port for
φ
15.9:
No. 5
No. 6
Flare nut (for
F
9.5)
Be sure to attach the gasket.
Connecting a pipe of
3)
φ
9.5 to a gas pipe connection port for
φ
12.7:
No. 4
No. 2
Flare nut (for
F
12.7)
Be sure to attach the gasket.
When using the reducer packing shown above, be careful not to overtighten the nut,
•
or the smaller pipe may be damaged (about 2/3 - 1 the normal torque).
Apply a coat of refrigeration oil to the threaded connection port of the outdoor unit
•
where the
fl
are nut comes in.
Use an appropriate wrench to avoid damaging the connection thread by
•
overtightening the
fl
are nut.
Flare nut tightening torque
Flare nut for
φ
9.5
32.7-39.9N·m
(333-407kgf·cm)
Flare nut for
φ
12.7
49.5-60.3N·m
(505-615kgf·cm)
Flare nut for
φ
15.9
61.8-75.4N·m
(630-769kgf·cm)
01_EN_3P266963-1D.indd 10
10/30/2014 9:40:13 AM