16a 16b
Copyright © Fujitsu General America, Inc.
Branch Box
Layout
Branch Box Installation
• Factory Insulated Branch Boxes do not need a
condensate drain line or a drain pan.
• Incorrect installation will void warranty and may cause
electrical short in board.
• Suction line should always be on the top or side never
on the bottom in relation to the discharge line.
Electrical box is never on the bottom.
4 factory supplied hanger brackets allow for flexible
positioning.
Outlet
Side
Inlet
Side
VERTICAL
Vertical Wall Mount
• Can be hung from the ceiling or on the wall by
changing the location of hanger.
• Control box can be attached to the either side in
HORIZONTAL position only.
• Branch boxes do not have a weatherproof enclosure.
•
Cannot be mounted outside or in a space
above 80% relative humidity.
• May be installed in a storage space that is inside the
insulated envelope of the building.
Outlet
Side
Inlet
Side
CAUTION
• Do not hang from the ceiling when
performing a vertical installation.
• Secure the accessory hangers to the branch box
with the screws provided.
• Use 3/8 threaded rods with hexagonal nuts and
washers (field supplied) as shown on the figure.
• Make sure branch box is level before fastening the
nuts. (The unit’s slope must be within ±5° from
level.)
Branch box is marked with engraved letters indicating each
corresponding indoor unit (UNIT A, UNIT B and UNIT C).
UNIT A: Refrigerant pipe connection port for UNIT A
UNIT B: Refrigerant pipe connection port for UNIT B
UNIT C: Refrigerant pipe connection port for UNIT C
17
CAUTION
Label all the refrigerant piping
(liquid pipe, gas pipe) specifying
to which indoor units they will
be connected.
Threaded Rod
Washers
Nuts
Hanger brackets ship
with branch box
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