Filter
Top Products
BRADFORD WHITE CORP.
Page 6
Caution
Do not force motor operation when operator is
fastened to the damper by moving the damper
blade, turning the shaft or by turning the position
indicator.
Attention
Ne pas tourner le registre manuellement avec ou
sans courant électrique ou le moteur sera
endommagé.
2.3.1 Clearances
The boiler must be placed to provide clearances
on all sides for maintenance and inspection. There
must also be minimum distances maintained from
2.3.2 Flooring
The boiler shall be installed on a level floor of
noncombustible construction or on fire-resistant slabs
or arches. Noncombustible flooring is defined as
flooring material and surface finish not capable of
being ignited and burning and with no combustible
materials against the underside. Acceptable materials
are those consisting entirely of a combination of steel,
iron, brick, tile, concrete, slate, glass or plaster. Do
not install the heater directly on a combustible wood
or carpet floor without placing a noncombustible
platform between the floor and the heater.
The boiler can be installed on a combustible
floor if a noncombustible base assembly, available
from , is used. See the boiler rating plate or the Parts
List (Section 11) of this manual for the appropriate
base part number. Boilers must never be installed
directly on carpeting.
As an alternative to the noncombustible base
plate, in the United States, the National Fuel Gas Code
allows a heater to be placed on a combustible surface
when there is a platform under the heater made of
hollow masonry no less than 4 inches (102 millimeters
[mm]) thick, covered with sheet metal at least 24
gauge thick and extending beyond the full width and
depth of the heater by at least 12 inches (305mm) in
all directions. The masonry must be laid with ends
unsealed, and joints matched to provide free
circulation of air from side to side through the
masonry (see Figure 4). If the boiler is installed in a
carpeted alcove, the entire floor of the alcove must be
covered by a noncombustible platform.
Note: Clearances listed in Table 1 are manufacturer’s tested values.
These are given as minimum values. Where local and national codes
apply, and values are different than those listed in Table 1, use the
greater value to ensure safe operation.
Table 1. Minimum Boiler Clearances
From Combustible Surfaces.
Dégagements Minimaux à Assurer Entre Ics Parois de
L’appareil et leo Constructions Combustibles
Boiler Sizes 50-125 160-225
Clearances in cm in cm
Left side 6 15 6 15
Right side 6 15 6 15
Rear 6 15 6 15
Front 4 10 6 15
Flue 6 15 6 15
Top 23 48 36 91
combustible surfaces (see Table 1).
At least 15" (381mm) access must be available
in front of the boiler for burner removal. Consult local
codes for clearances to hot water pipes and
accessories.
If the boiler is to be installed in a garage, all
burners and burner ignition devices must have a
minimum 18" (457mm) clearance above the floor.
The Model BJV-50 through BJV-100 boilers can
be installed in a closet, as long as the minimum
clearances shown in Table 1 and Figure 3 are
observed. Special attention should be paid to
clearances between the front of the boiler and the
closet door when it is closed.
Consult the American National Standard Z21.13
for more information concerning closet installations.
In Canada, refer to the latest edition of CSA-B149.1.
Figure 3. Closet and Alcove Installation (see Table 3).
Dimensions in inches cm.
6 15
6 15
6 15
4*
10
*6" for models BJV160 to BJV225.
Figure 4. Typical Combustible Floor Installation.