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English
How to Use Reducers
• Use the reducers supplied with the unit as described below.
(1) Connecting a pipe of
φ
1/2 inch (12.7mm) to a gas pipe connection port for
φ
5/8 inch (15.9mm) :
(2) Connecting a pipe of
φ
3/8 inch (9.5mm) to a gas pipe connection port for
φ
5/8 inch (15.9mm) :
(3) Connecting a pipe of
φ
3/8 inch (9.5mm) to a gas pipe connection port for
φ
1/2 inch (12.7mm) :
No.1
φ
5/8”
φ
1/2”
No.2
φ
1/2”
φ
3/8”
No.3
φ
5/8”
φ
1/2”
No.4
φ
1/2”
φ
3/8”
No.5
φ
5/8”
φ
3/8”
No.6
φ
5/8”
φ
3/8”
Gasket (1)
Gasket (2)
Reduce and gasket
No. 1
No. 3
Flare nut (for
φ
5/8 inch (15.9mm))
Inter-unit piping
Connection port of outdoor unit
Connection port of outdoor unit
Connection port of outdoor unit
Be sure to attach
the gasket.
No. 5
No. 6
Flare nut (for
φ
3/8 inch (9.5mm)
)
Be sure to attach the gasket.
No. 4
No. 2
Flare nut (for
φ
1/2 inch (12.7mm)
)
Be sure to attach the gasket.
Flare nut tightening torque
φ
3/8 inch (9.5mm)
φ
1/2 inch (12.7mm)
φ
5/8 inch (15.9mm)
24-1/8 – 29-1/2ft • Ibf (32.7-39.9N • m)
36-1/2 – 44-1/2ft • lbf (49.5-60.3N • m)
45-5/8 – 55-5/8ft • lbf (61.8-75.4N • m)
•
When using the reducer packing shown above, be careful not to
overtighten the nut, or the smaller pipe may be damaged.
•
Apply a coat of refrigeration oil to the threaded connection port of
the outdoor unit where the flare nut comes in.
•
Use an appropriate wrench to avoid damaging the connection
thread by overtightening the flare nut.
English
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10/17/2019 4:42:17 PM
