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SECTION B: BOILER INSTALLATION
INSTALLATION CODES
Installations must follow these codes:
· Local, state, provincial, and national codes, laws, regulations and ordinances.
· National Fuel Gas Code (NFGC), ANSI Z223.1- latest edition.
· National Electrical Code (NEC), ANSI/NFPA 70 - latest edition.
· Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME CSD-1, when required.
· For Canada only: CAN/CGA B149.1 and .2 Installation Code and C.S.A. C22. 1 C.E.C. Part 1.
EQUIPMENT BASE
The boiler should be mounted on a level, structurally sound surface. The boiler is approved for installation on a combustible
surface but must NEVER be installed on carpeting. Gas fueled equipment installed in enclosed parking garages must be
located at least 18 inches above the floor.
Stacking
Hi Delta units can be stacked two units high with an optional stacking rack. A stacking kit is available from Raypak for this
type of installation.
CAUTION: The boiler should be located in an area where water leakage will not result in damage to the
area adjacent to the appliance or to the structure. When such locations cannot be avoided, it is
recommended that a suitable catch pan, adequately drained, be installed under the appliance.
The pan must not restrict air flow.
In addition, the boiler shall be installed such that the gas ignition system components are protected from water (dripping,
spraying, rain, etc.) during appliance operation or service (circulator replacement, control replacement, etc.).
8
Typical Racked Installation
TOP VIEW
FRONT VIEW RIGHT SIDE VIEW
Fig# 9239