GF-135
Esteem 399 Low NOx Boiler
Chapter 4
OMM-0089_0A
Installation, Operation & Maintenance Manual
Unit Preparation
Page
30
of
188
AERCO International, Inc.
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100 Oritani Dr.
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Blauvelt, NY 10913
OMM-0089_0A
MC1 06/19/14
Ph.: 800-526-0288
WARNING!
Use extreme care not to drop the boiler or cause bodily injury
while lifting or mounting the boiler onto the bracket. Once mounted
verify that the boiler is securely attached to the bracket and wall.
Failure to comply with the above guidelines could result in
property damage, personal injury or death.
4.4 STUD WALL INSTALLATION
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To distribute the weight of the boiler evenly when mounting onto a stud wall it is
recommended to use the Esteem 399 Low NOx boiler Wall Frame kit.
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When using the wall frame to mount the boiler reference the kit installation instructions
and ensure the frame is securely fastened to the wall.
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If the structure of wall is questionable, in supporting a minimum weight of 250 pounds
[115 kg.], it is recommended to use the optional floor stand.
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Wall Bracket Installation—Solid Walls
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Locate the general area of the boiler placement.
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Place the wall-mounting bracket on the wall ensuring the upper edge of the bracket is
away from the wall.
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Level the bracket and use a pencil to mark the location of the mounting slots on the wall.
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Remove the bracket from the wall and drill a 5/8” diameter by 1-3/8” deep hole positioned
in the center of each mark.
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Install the anchors (provided) flush or slightly recessed in the drilled holes with threaded
side facing down.
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Reposition the bracket on the wall and align mounting slots/holes. Insert the two bolts
(provided) through the mounting slots/holes and loosely tighten.
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Level bracket and tighten bolts securely.
4.5 BOILER MOUNTING
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Obtain assistance in lifting the boiler onto the wall bracket.
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Install the boiler making sure the boiler mounting lip located along the upper edge of the
rear jacket panel engages the wall-mounting bracket. Ensure the boiler is seated properly
and is secure.
