TOA HY-TB1 Manual
3. SPECIFICATIONS
INSTALLATION MANUAL
TILE BAR BRIDGE
HY-TB1
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
1. SAFETY PRECAUTIONS
Finish
Weight
Usable Speaker
Note: The design and specifications are subject to change without notice for improvement.
4. INSTALLATION
Before installation, a qualified architect or engineer should first determine whether the ceiling
frames and panels are strong enough to withstand the added weight of ceiling speakers.
• Be sure to read the instructions in this section carefully before use.
• Make sure to observe the instructions in this manual as the conventions of safety symbols
and messages regarded as very important precautions are included.
• We also recommend you keep this instruction manual handy for future reference.
WARNING
Indicates a potentially hazardous situation which, if
mishandled, could result in death or serious personal injury.
Steel plate, plating
500 g (2 pieces)
F-122C, F-122CU, F-2322C, F-2352C, F-2852C
Refer to the speaker's instruction manual for information.
[Completed installation figure]
• For Dry Wall Ceilings
Reinforcement ring mounting screw
Tie-plate mounting screw
Tie-plate
(preinstalled on Bridge rail)
HY-TB1
(optional)
Bridge rail
max. 32 mm*
• Leave the installation to your TOA dealer because the installation requires expert
knowledge. Improper installation may cause the speaker to fall, resulting in personal injury
and/or property damage.
• Install the mounting hardware in a location that can structurally support the weight of the
mounting hardware and the speaker. Doing otherwise may result in the speaker falling down
and causing personal injury and/or property damage.
• Do not use other methods than specified to mount the unit. Extreme force is applied to the
unit and the unit could fall off, possibly resulting in personal injuries.
• Tighten each screw securely. Ensure that the unit has no loose joints after installation to
prevent accidents that could result in personal injury.
• Use the specified speaker in combination. Doing otherwise may cause the speaker or
component to fall off, resulting in personal injury.
Ceiling frame
Ceiling panel
Ceiling reinforcement ring (supplied with speaker)
* This length can be extended to up to 58 mm by turning the tie-plate upside down.
CAUTION
Indicates a potentially hazardous situation which, if
mishandled, could result in moderate or minor personal
injury, and/or property damage.
• For Drop Ceilings
• Avoid touching the unit's sharp metal edge to prevent injury.
Reinforcement ring mounting screw
2. GENERAL DESCRIPTION
Tie-plate mounting screw
Tie-plate
(preinstalled on Bridge rail)
Bridge rail
HY-TB1
(optional)
TOA's HY-TB1 Tile Bar Bridge is a 603 mm (23 47/64") long support frame (set of 2 rails)
designed to provide secure support for flush-mounted ceiling speakers while preventing the
speaker's weight from being directly applied to the ceiling panels. Its support rails are
designed to act as mounts for the ceiling reinforcement ring supplied with each speaker.
T-grid
Ceiling tile
Ceiling reinforcement ring (supplied with speaker)
Step 1. Install the HY-TB1 in the ceiling.
Step 2. Install the ceiling reinforcement ring
supplied with the speaker.
• For Dry Wall Ceilings
Insert the Tile Bridge rails through the mounting hole in the ceiling and lay them
across the ceiling frame in the orientation shown in the figure below. Loosen the two
reinforcement ring mounting screws in each tie-plate to the point that they do not fall
out of their holes.
Note: Only install the Tile Bridge on ceiling frames that can structurally support the
full weight of the speaker(s) to be installed.
Mounting hole
To inser t the reinforcement ring
through the ceiling mounting hole,
first fold the ring in half, then insert it
through the mounting hole and reopen it with its tabs facing up. Align
the ring with the mounting hole.
Ceiling reinforcement ring
(supplied with speaker)
Reinforcement ring placed on ceiling panel
Ceiling frame
Tie-plate
HY-TB1
These tabs must
face upward,
away from the hole.
Reinforcement ring
mounting screws
(Leave these screws loose.)
Step 3. Attach the ceiling reinforcement
ring to the each tie-plate .
Mounting hole
F-122C, F-122CU,
F-2322C, F-2352C
F-2852C
ø200 mm (7 7/8")
ø250 mm (9
Note
Tighten the reinforcement ring
mounting screws while pressing
the ceiling reinforcement ring
snugly against the back surface
of the ceiling panel.
27/32")
2-foot tile
• For Drop Ceilings
Reinforcement ring mounting screw
HY-TB1
[Mounting to 2-foot tiles]
3-1
Tie-plate
Ceiling reinforcement
ring
Align the two bridge rails as shown
in the figure at right.
Fit closely to the back surface
of the ceiling panel.
T-grid
[Mounting to 600 mm tiles]
3-2
600 mm tile
Align the two bridge rails diagonally
at an angle of 10° – 15°.
10° – 15°
HY-TB1
Step 4. Align the ceiling reinforcement ring
with the mounting hole.
If the ceiling reinforcement ring does
not line up accurately with the ceiling
mounting hole, adjust its position by
either loosening the tie-plate
mounting screws and sliding the tieplate into correct position, or by
shifting the tie-plate mounting
screws to the appropriate holes in
the Tile Bridge rails. The ceiling
reinforcement ring can be moved in
the direction indicated by the arrows.
Tie-plate mounting screw
Tie-plate
Ceiling reinforcement
ring
Note
Be sure to tighten the tie-plate mounting screws after completing the adjustment.
T-grid
Printed in Indonesia
533-06-097-10
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