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4 Applications
The small air handler should be centrally located and may be installed in a closet,
alcove, utility room, or basement. Minimum clearances must be met.
The air handler comes standard with two different options for mounting, wall mount
or frame mount. Both mounting options require the unit to be level from side to
side and from front to back in order to allow condensate to properly drain from the
unit. Failure to do this will result in condensate leaking out from the unit, potentially
causing structural damage to the surrounding support structures, dry wall, carpet,
etc. Also, both mounting structures require the ability to accommodate a minimum
of 150 lb load. Failure to do this will cause damage to the support structure and
potentially damage the unit.
4.1 Wall Mount
The air handler comes standard with a wall mounting bracket and air handler
mounting bracket. Reference Figures 4 & 5 for more detail.
1.
Remove lower wall mounting bracket from the back of the unit by removing
one screw which attaches the bracket to the air handler. Note: Discard the
screw after you have removed the wall mounting bracket.
2.
Install bracket on the wall by using 3 wood screws (not provided). Make
sure the bracket is level in order to provided proper drainage from the
unit. Note: Do not attach the wall mounting bracket into unsupported dry
wall. Make sure that the wood screws are going into a structure that can
suppport a minimum load of 150 lb.
3.
Lift the air handler above the wall mounting bracket and attach the unit to
the installed bracket. Reference Figures 4 & 5. Install the additional bottom
plate for extra support for this type mounting (see Figure 5).
T he additional plate is shipped in the bottom of the shipping carton.
WALL STRUTURE
PROVIDED AIR HANDLER
MOUNTING BRACKET
WOOD SCREWS
PROVIDED WALL
MOUNT BRACKET
WOOD SCREWS
NOTE: MOUNTING WALL AND SUPPORTING
STRUCTURE MUST BE ABLE TO SUPPORT A
MINIMUM OF 150 LBS.
Figure 4
Wall Mounting Side View
Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
Figure 5
NOTE:
IN ORDER TO PREVENT
AIR LEAKAGE,THE TABS
AND SCREW HOLES
NEED TO BE SEALED
UP WHEN THEY ARE
NOT TO BE USED.
PROVIDED WALL
MOUNT BRACKET
WOOD SCREWS
SUPPORTING
2˝X 4˝
STRUCTURE
WALLMOUNT BRACKET
(ONLY FOR 30K/36K)
WOOD SCREWS
Wall Mounting
Installation Instructions
OFFSET HANGING
BRACKET
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