Dunkirk DMG-240 Installation, Operation & Maintenance Manual page 10

!
CAUTION
Boiler weight exceeds 140 pounds (63.5 kg). Do not
lift boiler onto wall without assistance.
Lift boiler using chassis. Using front jacket, vent
Note
piping, water or gas fittings to lift boiler may cause
damage to the boiler.
Note
Use two (2) wrenches when tightening and fitting
to pipe boiler's threaded fittings. Boiler's internal
piping can be damaged if subjected to excessive
torque.
4.2 Wall Mounting
Pre-pipe supply and return water connections with factory
fittings before wall mounting.
Mount boiler on wall using wall mounting bracket included with
unit.
• Verify boiler is level and upright. Mark position of holes
for plumbing connections.
• If rear exit flue is used, mark position of hole for flue.
• For horizontally terminating units continue to mark
the horizontal center line of flue across the wall to the
side wall, then along side wall ensuring the lines have
a downward pitch back to the boiler. This will give the
position of the center of the hole for the flue.
• Cut 5-5/16" (135.00 mm) diameter hole in the wall for
concentric flue
• Lift boiler and hang it on wall.
• Adjust the position of the boiler verify it is level.
For Direct Vent installations, air vents are not required in
the room boiler is installed in, or when installed in closet or
compartment.
4 - LOCATING BOILER
FIGURE 4-3 Wall Mount Bracket (Included)
10
Center brackets. Avoid
overhang on sides of
wall mount bracket.
Use four (4) predrilled
holes for mounting
bracket to wall
P/N 240011656, Rev. E [07/30/2018]