Safeguarding Persons and Property and Promoting the Welfare of the Public; Creating the Office Warm Air Heating etc.

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page 4. Unless factory assembled within the housing of the unit, main gas shut-off valve shall be located a minimum of four (4) feet above the floor. When gas conversion burners are installed in any type of warm air heating equipment, the bottom of the draft diverter shall be above the highest point of the heat exchanger. An approved electric switch shall be installed on warm air heating or residential air conditioning device or equipment for the purpose of disconnecting all undergrounded conductorst All electrical wiring for warm air heating, residential air con- ditioning or ventilating equipment or system shall be installed by a licensed electrical contractor and in conformity with the local electrical ordinance. A separate electrical circuit of proper voltage and capacity shall be run from the main service to warm air heating and residential air con - ditioning equipment or systeml This circuit shall be used for this equip- ment onlyl Oil tanks or other equipment shall not be placed within three (3) feet of the eledtriettervice fuse panels or breakers. The location of kitchen ventilating fans when vented by duct system shall be placed at least four (4) feet above cooking unit. If vented directly through an outside wall with no duct system except the fan housing, no regulation as to location is hereby specified. INSTALLATION - OIL BURNING EQUIPMENT (Burners, Controls, Apparatus, etei) le Combus�,ion,:Safoguards. Each oilburner shall be provided with an approved automatic combustion safeguard which will effectively prevent the abnormal discharge of oil in case of ignition failure or flame failure. a. Hcat vaporization burners shall be provided with an approved constant level and anti - flooding device. b. Oil burners other than heat vaporization burners whose firing rate does not exceed five (5) gallons per hour shall be provided with an approved combustion safeguard device whose main burner trial- for - ignition or flame failure timing period does not exceed two (2) minutes. c. Oil burners whose firing rate exceeds five (5) gallons per hour shall be provided with an approved combustion safeguard whose main burner trial- for - ignition timing does not exceed sixty (60) seconds. 2. Domestic Type Rotary Vaporization Burners. Domestic Type vaporization burners which operate on the vertical rotary principal shall be pro- vided with constant level device arranged so as to prevent an abnor- mal supply of oil to the burner. 3. Limit Controls. All oil burning equipment shall be provided with an approved means of automatically shutting off the burner when the limits of temperature and /or pressure hereinafter specified are ex- ceeded; except that this requirement shall not apply to oil fired room heaters. In the case of a heat vaporization burner, this control may place the burner on low -flame operation. a. The setting of the limit control on a mechanical warm air furnace shall not exceed 20OF except by special permission of the Department. b. The setting of the limit control on a gravity warm air furnace shall not exceed 300F. _- 4. Low Water Fuel Cutoff. As required by the American Socisty of Mechanical Engineers Boiler Code, a low water fuel cutoff shall be