1. BEFORE INSTALLATION
1-1 Precautions
• Be sure to verify in advance that the refrigerant used in installation work is R410A.
The unit will not operate correctly with a different type of refrigerant.
• When moving the unit during or after unpacking, hold it using the 4 hanging brackets and avoid
subjecting other parts, particularly refrigerant pipes and the control box, to force.
• For more information about installation of outdoor and indoor units, refer to the installation manual
that came with each unit.
1-2 Accessories
• Verify that the following accessories have been included in the packaging.
Important
Do not throw away any accessories that may be needed in installation work until installation is complete.
Name Clamps (1) Insulation tube (2) Vinyl tube (3)
Quantity
BS4Q54TVJ 23 pcs. 4 pcs. 4 pcs.
1 pc.
BS6Q54TVJ 32 pcs. 6 pcs. 6 pcs.
BS8Q54TVJ 40 pcs. 8 pcs. 8 pcs.
BS10Q54TVJ 49 pcs. 10 pcs. 10 pcs.
BS12Q54TVJ 57 pcs. 12 pcs. 12 pcs.
Shape
(1) (2)-1 (2)-2 (3)
(Thin) (Thick)
Name Stopper pipes (4) Insulation tube for stopper pipes (5) Documentation
Quantity
BS4Q54TVJ
1 copy
BS6Q54TVJ
1 pc. 1 pc. 1 pc. 1 pc.
BS8Q54TVJ
BS10Q54TVJ
BS12Q54TVJ
Shape
(4)-1 (4)-2 (5)-1 (5)-2
Installation Manual
f3/8 in. (f9.5 mm) f5/8 in. (f15.9 mm) (Thin) (Thick)
NOTES
• You will need a reducing joint (to be supplied in the eld) if the diameter of the pipe on site as
described in the outdoor unit’s installation manual or equipment design materials does not match the
diameter of the connection pipe on the outdoor side of the Branch Selector unit.
• Thermal insulation for connection pipes on the outdoor unit side must be supplied in the eld.
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3P405106-9 English
01_EN_3P405106-9.indb 2 3/27/2015 1:53:08 PM
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