ASME CSD-1-2006 pdf download
ASME CSD-1-2006 pdf download.Controls and Safety Devices for Automatically Fired Boilers.
(c) For information concerning the location and installation of 12-gas air mixture boilers, refer to local building codes.
(d) When one or more modules of a modular boiler (see Definitions) are replaced, compatibility of all controls and systems shall be assured. The replacement modules shall comply with the initial listing and shall meet the requirements of this Standard.
CG-230 Observation Ports
Observation ports shall be provided to permit direct visual inspection of the pilot, main burner flame, and boiler furnace.
CG-240 Guarding
Guards shall be provided to protect personnel and to protect against damage to control equipment. Guarding shall conform to applicable regulations.
CG-250 Annunciator Systems
Where used, annunciator systems, and their associated test and acknowledgement circuits, shall have all contacts, switches, relays, and lights arranged so that safety control functions are not bypassed.
CG-260 Combustion Air
(a) The requirements of combustion air shall be in accordance with NFPA 54/ANSI Z223.1, National Fuel Gas Code, for gas-fired boilers, and with NFPA 31, Standard for the Installation of Oil-Burning Equipment, for oil-fired boilers.
(b) Louvers and grilles shall be fixed in the open position or interlocked with the equipment so that they are opened automatically during equipment operation. The interlock shall be placed on the driven member.
(c) Fans supplying air to the boiler room for combustion shall be interlocked with the burner so that air flow is proven during equipment operation.
CG-300 MATERIAL REQUIREMENTS
CG-310 Components
Each control and safety device covered by this Standard shall he accepted for the intended service by a nationally recognized testing agency such as, but not limited to, UL, FM, or CSA (see CG-320).
CG-320 Installations
The completed installation of controls and safety devices by a boiler manufacturer or installing contractor shall be in accordance with the requirements of this Standard.
CG-400 TESTING AND MAINTENANCE CG-410 Cleaning
Manufacturers of controls and safety devices requiring periodic service shall furnish detailed instructions covering the procedures and frequency of cleaning [see
CG-51 0(c)].
CG-420 Testing
Manufacturers of boiler units covered by this Standard shall furnish detailed instructions for testing controls and safety devices, both when the boiler is operating and when it is out of service [see CG-510(c)].
CG-430 Maintenance
Boiler, boiler unit, and burner manufacturers shall furnish detailed instructions on maintenance and service procedures for the fuel burning system or for electrically heated units, including controls and safety devices installed ‘‘jth the unit.
These instructions shall include requirements specifying that cover plates, enclosures, and guards shall be maintained in place at all times, except during maintenance (see CG-510 and Part CM).
Boiler, boiler unit, burner, and control manufacturers’ operation and maintenance instructions furnished with the equipment shall be retained and made available to the boiler operator (see CG-510).
CG-440 Operational Testing
The operation of control systems and safety devices installed in accordance with this Standard shall be tested by the installing contractor prior to release to the owner / user.
(a) Control systems and safety devices installed in accordance with this Standard by the boiler manufacturer on shop-assembled boiler units shall be operationally tested as close to specified field conditions as practicable prior to shipment from the manufacturer’s facility.
(b) For boiler units with inputs less than or equal to 400,000 Btu/hr (117228W) for gas, or less than or equal to 3 gph for oil, where production makes it impractical to check each boiler unit individually, the manufacturer will prepare and follow an inspection and quality control procedure by which the requirements of this paragraph will be met.
CG-500 CERTIFICATION AND REPORTING.