Burnham Series 5B - Manual (Page 7)

7
SecTiON ii – GeNeRAL iNFORMATiON
1. BOILER INSTALLATION must conform to the
requirements of the authority having jurisdiction, or in
the absence of such requirements, to:
USA – “National Fuel Gas Code, ANSI Z223.1”.
When required by the authority having jurisdiction,
the installation must conform to American Society of
Mechanical Engineers Safety Code for Controls and
Safety Devices for Automatically Fired Boilers, No.
CSD-1.
CANADA – “Installation Codes for Natural and
Propane Gas Burning Appliances and Equipment,
CAN/CSA-B149 (.1 or .2)”.
DO NOT INSTALL THIS BOILER ON CARPETING.
2.
BOILER LOCATION – locate on a level NON-
COMBUSTIBLE FLOOR as close as possible to
chimney so that vent connection is short and direct.
DANGeR
Boiler must not be installed directly on combustible
flooring. A concrete pad is not sufficient to protect
combustible flooring.
The boiler shall be installed such that the gas ignition
system components are protected from water (dripping,
spraying, rain, etc.) during boiler operation and service
(circulator replacement, control replacement, etc.).
Do not install boiler where gasoline or other flammable
vapors or liquids, or sources of hydrocarbons (i.e.
bleachers, cleaners, chemicals, sprays, paint removers,
fabric softeners, etc. ) are used or stored.
Refer to table below for minimum clearances, service
clearances, and clearances for removal of Tankless
Heaters.
3. PROVIDE COMBUSTION AND VENTILATION
AIR.
In the USA refer to National Fuel Gas Code, NFPA
54/ANSI Z223. Section 5.3, Air for Combustion and
Ventilation. In Canada refer to Natural Gas Installation
Code, CAN/CSA-B149.1 – latest edition or Propane
Installation Code, CAN/CSA-B149.2 – latest edition.
Local code provisions may apply and should be
referenced.
WARNiNG
Adequate combustion and ventilation air must
be provided to assure proper combustion.
a. Determine volume of space (boiler room). Rooms
communicating directly with the space, in which
the appliances are installed, through openings not
furnished with doors, are considered a part of the
space.
Volume (ft³) = Length (ft) x Width (ft) x Height (ft)
b. Determine total input of all appliances in the space.
Add inputs of all appliances in the space and round
the result to the nearest 1000 Btu per hour.
c. Determine type of space.
Divide Volume by Total Input of all appliances
in space. If the result is greater than or equal to
50 ft³/1000 Btu per hour, then it is considered an
unconfined space.
If the result is less than 50 ft³/1000 Btu per hour,
then the space is considered a confined space.
d. For boiler located in an unconfined space of a
conventionally constructed building, the fresh
air infiltration through cracks around windows
and doors normally provides adequate air for
combustion and ventilation.
e. For boiler located in a confined space or an
unconfined space in a building of unusually tight
construction, provide outdoor air with the use
of two permanent openings which communicate
directly or by duct with the outdoors or spaces
(crawl or attic) freely communicating with the
outdoors. Locate one opening within 12 inches of
top of space. Locate remaining opening within 12
inches of bottom of space. Minimum dimension
of air opening is 3 inches. Size each opening per
following:
1. Direct communication with outdoors. Minimum
free area of 1 square inch per 4,000 Btu per hour
input of all equipment in space.
2. Vertical ducts. Minimum free are of 1 square
inch per 4,000 Btu per hour input of all
CLEARANCES - From Table below and from dimensional data in Fig. 1, determine BOILER ROOM space necessary for appropriate access
to and servicing of Boiler. Consideration should be given to other appliances installed in the same area. Consult with local Building and
Safety Codes for compliance.
MINIMUM CLEARANCE - JACKET TO
COMBUSTIBLE CONSTRUCTION
RECOMMENDED
SERVICE CLEARANCE TO
NON-COMBUSTIBLE CONSTRUCTION
CLEARANCES REQ’D FOR REMOVAL
OF TANKLESS HEATER
AT-2 AT-3 AT-4
Left Side 24” (61 cm) 18” (Controls) 27” 32” 42”
Right Side 24” (61 cm) 18” (Controls) 27” 32” 42”
Front 24” (61 cm) 36” (Cleaning-Burner Removal) --- --- ---
Rear 24” (61 cm) 36” (Cleaning) --- --- ---
Top 24” (61 cm) ---------------------------------------- --- --- ---