UFC 3-420-01
25 October 2004
Including changes 1 and 2, October 2006
(c) Minimum horsepower.
(d) Volts, phase, hertz.
(e) RPM
(3) Water heater:
(a) Heating capacity in L/s (gph).
(b) Temperature rise in degrees Celsius (C) (Fahrenheit (F)).
(c) Storage capacity in liters (gallons).
(d) Energy Factor (defined by Gas Appliance Manufacturers Association
(GAMA))
(4) Hot water storage tank:
(a) Dimensions.
(b) Capacity in liters (gallons).
(c) Minimum insulation.
(5) Hot water generator:
(a) Dimensions.
(b) Storage capacity in liters (gallons).
(c) Heating surface area.
(d) Design pressure.
(e) Heat source (i.e. steam, HTHW, natural gas, electric).
(f) GPH @ entering water temperature and leaving water temperature.
(6) Drinking water dispenser:
(a) Cafeteria: Type, size.
(b) Electric drinking water cooler: Type, size. (Note: Water coolers must use
HFC refrigerants.)
(7) Grease interceptor:
(a) Fat capacity in kilograms (pounds).
(b) Flow rating in L/s (gpm).
(c) Maximum leaving water grains (ppm).
(8) Reverse osmosis water treatment equipment:
(a) Minimum flow rating in L/s (gpm).
(b) Design and operating temperature in C ( F).
(c) Maximum leaving water grains (ppm).
(9) Water softening treatment equipment:
(a) Minimum flow rating in L/s (gpm).
(b) Grains (grams) hardness to which water is to be softened.
(c) Amount of water metered in gallons (liters) to start automatic
regeneration of a softener unit.
(10) Booster pump
(a) Capacity in L/s (gpm)
1-5
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