Figure 2
REQUIRED
MINIMUMCLEARANCES
(
ALLDIMENSIONSAREININCHES
)
Part number 550-142-850/0115
7
FreeStyle
™
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
—
Boiler Manual
2 Prepare boiler location
continued
Provide clearances from
combustible materials — REQUIRED
1. See Figure 2
FOR 2%15)2%$ MINIMUM CLEARANCES!,,
installation must provide at least these minimums.
2.
(OTWATERPIPESATLEAST vFROMCOMBUSTIBLEMATERIALS
3. Vent pipe — at least
³⁄₁₆
vFROMCOMBUSTIBLEMATERIALS
4.
3EE&IGUREFORSERVICECLEARANCEMINIMUMS
)FTHEUNITISENCLOSEDINACABINETORMOUNTED
ALONGSIDEASPACEMUSTBEPROVIDEDFORREMOV
-
ING THE CASING AND FOR NORMAL MAINTENANCE
operations. The minimum measurements to be
respected are given in Figure 2.
Provide clearances for service
access — RECOMMENDED
1. See Figure 2,
FORRECOMMENDEDSERVICECLEARANCES
2.
)FYOUDONOTPROVIDEMINIMUMSERVICECLEARANCESSHOWNIT
might not be possible to service the boiler without removing
ITFROMTHESPACE
3. Clearance D, Figure 2
ALLOWSFORTHEINSTALLATIONOFPIPING
as shown in Figure 6, page 11, plus a union, close nipple
and elbow.
Clearances
A Provide combustion air/ventilation openings per Figure 23, page 22
or as otherwise directed in this manual or by applicable codes.
If the installation does not provide the minimum clearances,
then the enclosure MUST HAVE air openings located 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 = 1.0 inches minimum
C Top of boiler clearance to combustibles = 12.0 inches minimum
D Right side clearance to combustibles = 1.0 inches minimum
E Bottom of boiler clearance to combustibles = 12 inches minimum
(must be 18 inches above floor for garage installations)
F Clearance in front of the boiler = 12.0 inches, but
36 inches mini-
mum required for service
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.
ADDITIONAL service clearance may be
needed, depending on how piping is routed
to the boiler.
A Provide combustion air/ventilation openings per Figure 23, page 22 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 = 36 inches minimum
C Service clearance above top of boiler = 24 inches minimum
D Right side service clearance = 24 inches minimum
E Service clearance below the boiler = 36 inches minimum
F Service clearance in front of the boiler = 36 inches minimum
Minimum
required
for
Combustion
A Minimum 1.00”
B Minimum 12.00”
C Minimum 12.00”
D Minimum 12.00”
Recommended
for
Service
A Minimum 36.00”
B Minimum 36.00”
C Minimum 24.00”
D Minimum 36.00”
