Weil-McLain WM97+100 Manual page 10

WM97+ Series 2
Boiler location
Provide clearances for service
access — RECOMMENDED
1. See Figure 1 for recommended service clearances.
2. If you do not provide minimum service clearances
shown, it might not be possible to service the boiler
without removing it from the space.
.
on one side, right or left, for installation of the mixing valve and for clear view of the associated label. Also provide at least 1½
inches on the opposite side. Additional clearance may be needed, depending on how piping is routed. Provide these clearances
to allow for future CHW installations as well as current installations.
RECOMMENDED service clearances
(
A Provide combustion air/ventilation openings per Figure 23, page 27 or as
otherwise directed in this manual or by applicable codes. NOTE: If the instal-
lation does not provide the minimum clearances in this illustration, then the
enclosure must have air openings located and sized per Figure 2.
B Left side service clearance = 3 inches minimum.
C Service clearance above top of boiler = 12 inches minimum.
D Right side service clearance = 3 inches minimum.
E Service clearance below the boiler = 12 inches minimum.
F Service clearance in front of the boiler = 24 inches minimum.
ADDITIONAL service clearance may be
needed, depending on how piping is routed
to the boiler.
– 10 –
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GAS FIRED WATER BOILER
(continued)
installations — Aqua Logic (CWH) units require a minimum clearance of
.
)
— Boiler Manual
Provide clearances from combustible
materials — REQUIRED
1. See Figure 2 for REQUIRED minimum clearances. ALL installa-
tion must provide at least these minimums.
2. Hot water pipes — at least ½" from combustible materials.
3
3. Vent pipe — at least /
16
4. See Figure 1 for service clearance minimums.
REQUIRED minimum clearances
(
A Provide combustion air/ventilation openings per Figure 23, page 27 or as otherwise directed
in this manual or by applicable codes.
minimum clearances in Figure 1
per Figure 2, above. Each of these air openings must have free area of at least 1 square inch
per 1,000 MBH of boiler input.
B Left side clearance to combustibles = 0 inches minimum.
C Top of boiler clearance to combustibles = 10.5 inches minimum.
D Right side clearance to combustibles = 0 inches minimum.
E Bottom of boiler clearance to combustibles = 5.75 inches minimum (must be 18 inches
above floor for garage installations).
F Clearance in front of the boiler = 0.5 inches, but
G Air openings must be located in the FRONT of the enclosure, as shown. They must be no
more than 12 inches from the floor or ceiling, as shown.
H Vent pipe must be minimum 3/16 inch from combustibles. Opening in combustible wall,
floor, ceiling or roof must be 3/8" larger than flue pipe diameter, fitted with galvanized steel
thimble, or larger if required by codes or as specified by vent pipe manufacturer.
" from combustible materials.
)
If the installation does not provide the
, then the enclosure MUST HAVE air openings located
24 inches minimum required for service.
Part number 550-142-204/0117
.