3. PREPARATIONS BEFORE INSTALLATION
Install suspension bolts and hanging brackets as illustrated in the diagram below.
•
Use a suspension bolt size of 3/8 in.(M8) to 7/16 in.(M10).
•
Use mold-in inserts and embedded foundation bolts for new installations or hole-in anchor bolts or
similar hardware for existing installations, taking care to install in a manner that can withstand the unit’s
weight.
Unit: in. (mm)
Branch Selector unit
A
BS4Q54TVJ
16-5/16 (415)
BS6Q54TVJ
24-5/8 (625)
BS8Q54TVJ
BS10Q54TVJ
34-1/16 (865)
BS12Q54TVJ
A
12-1/8 (308)
<Suspension bolt spacing>
•
Use the hanging brackets to support the connection
pipes on both the front and back of the unit within
40 in. (1 m) of the unit’s side.
Placing an excessive amount of weight on the
Branch Selector unit's hanging brackets may cause
the unit to fall, resulting in bodily injury.
Slab
Anchor bolt
Long nut or
turnbuckle
Suspension bolt
Within 40 in. (1 m)
Unit
Connection
pipe
Note: All the above parts must be supplied in the field
<Example installation>
4. BRANCH SELECTOR UNIT INSTALLATION
Use only accessories and parts that conform to the designated specifications when installing
the unit.
1. Position the Branch Selector unit and secure it temporarily in
place.
Attach the hanging brackets to the suspension bolts as per the
instructions in the figure to the right.
Be sure to affix nuts (3/8 in.(M8) or 7/16 in.(M10), 3 pieces in
4 locations) and washers (for 3/8 in.(M8), outside diameter of
15/16 in. (24 mm) to 1-1/8 in. (28 mm) or for 7/16 in.(M10),
outside diameter of 1-3/16 in. (30 mm) to 1-5/16 in. (34 mm):
2 pieces in 4 locations) (to be supplied in the field) from both
the top and bottom of the hanging brackets on both sides of the
unit to secure it in place.
2. Adjust the height of the unit as desired.
3. Using a level, verify that the unit has been installed in a level
orientation.
Nut (double nut)
(Field supply)
Suspension bolt
(Field supply)
3/8-9/16 in.
(10 - 15 mm)
Hanging bracket
Washer
(Field supply)
Nut
(Field supply)
Branch
Selector
unit
WARNING
•
Install the Branch Selector unit in a level orientation.
•
Attach nuts on both the top and bottom of the hanging brackets.
Overtightening the lower nut without the upper nut in place may cause the hanging bracket and top
plate to deform, causing the unit to produce abnormal noise.
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