Where required by 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.
Before installing the boiler in the United States, refer to the current edition of the NFGC. For further information, the NFGC is available from
National Fire Protection Association Inc., Batterymarch Park, Quincy, MA 02269; American Gas Association, 1515 Wilson Boulevard, Arlington,
VA 22209; or from Literature Distribution.
Before installing the boiler in Canada, refer to the current edition of the NSCNGPIC. Contact Standards Department of Canadian Gas Association,
55 Scarsdale Road, Don Mills, Ontario, Canada M3B 2R3.
The installation must conform with requirements of the authority having jurisdiction, or in absence of local codes, to the NFGC.
The following steps are all necessary for proper installation and safe operation of boiler.
1. LOCATING THE BOILER
2. FRESH AIR FOR COMBUSTION
3. INSTALLATION—SYSTEM PIPING
4. CHIMNEY AND VENT PIPE CONNECTION
5. GAS SUPPLY PIPING
6. ELECTRICAL WIRING
7. CHECKING AND ADJUSTING
WARNING: Keep boiler area clean and free from combustible materials, gasoline, and other flammable vapors and
liquids.
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property
damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the
gas supplier. Natural gas boilers are not to be converted to propane gas.
LOCATING THE BOILER
If boiler is part of a planned heating system, locate it where shown on plan. If boiler is to be part of an existing system, it is usually best to put
it where the old one was. If location is to be changed, additional materials may be required as well as an adequate base. The following rules apply:
1. The boiler must be level. Metal shims may be used under base legs for final leveling.
2. Use a raised base if floor can become wet or damp.
3. The vent pipe connection should be as short as possible.
4. ACCESSIBILITY CLEARANCES MUST TAKE PRECEDENCE OVER FIRE PROTECTION CLEARANCES.
An 18-in. clearance must be maintained at a side where passage is required to access another side for cleaning or servicing, inspection, or
replacement of any parts that normally may require such attention. Allow at least 24-in. front and right side clearance for servicing. Allow
at least 6-in. clearance from combustible materials on all sides and top. (See. Fig. 2.)
5. Equipment shall be installed in a location in which the facilities for ventilation permit satisfactory combustion of gas, proper venting, and
maintenance of ambient temperature at safe limits under normal conditions of use. Equipment shall be located so as not to interfere with
proper circulation of air. When normal infiltration does not provide necessary air, outside air shall be introduced as described in Fresh Air
for Combustion section.
6. Advise owner to keep air passages free of obstructions. Ventilation and combustion air must enter boiler room without restrictions.
Fig. 2—Minimum Clearance Dimensions
A95140
24″ MIN
6″
6″ MIN
24″ MIN
GAS
SUPPLY
PIPE
FRONT
THIS UNIT MUST BE SET ON A CONCRETE OR OTHER
NON-COMBUSTIBLE MATERIAL BASE OR FLOOR.
—4—
(52 Seiten)
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