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Technical Support INTL: 316-943-2751
20
Gas Supply Requirements for All Ovens
1. The gas supply shall have a gas meter and regulator large enough to handle
ALL
of the gas
appliances, such as the furnace, water heater, & ovens in operation at the same time. Add up all
of the Btu/kw/MJ ratings to determine the total load.
2. The gas supply shall have a separate gas meter and gas pressure regulator for each occupant.
Installations in multiple occupancy buildings, (strip malls) shall not share gas meters and regu-
lators with other occupants.
3. Gas hose assemblies with quick disconnects for each oven deck will be installed at each valve.
4. A sediment trap shall be installed downstream of the equipment shutoff valve as close to the
inlet of the appliance as practical at the time of appliance installation. The sediment trap shall
be a tee fitting with a capped nipple in the bottom outlet as illustrated ( Pg. #20), and in accord-
ance with ANSI Z223.1-2012 and NFPA 54-2012 National Fuel Gas Code, section 9.6.7.
5. A sediment trap shall be installed on the rear of the oven control box before the gas hose. The
sediment trap shall be a tee fitting with a capped nipple in the bottom outlet as illustrated ( Pg.
#20), and in accordance with ANSI Z223.1-2012 and NFPA 54-2012 National Fuel Gas Code,
section 9.6.7.
6. The composition of gases varies greatly from time to time and from place to place. For this rea-
son, the material used for the gas lines shall be steel or malleable iron, not copper. ANSI
Z83.11-2016 CSA 1.8-2016 Gas Food Service Equipment states: “Copper tubing or semi rigid
tubing with internal copper layering, whether internally tinned or not, shall not be used for con-
veying gases.” ANSI Z223.1 NFPA 54 National Fuel Gas Code states: “Copper and brass tub-
ing shall not be used if the gas contains more than an average of 0.3 grains of hydrogen sulfide
per 100 scf of gas (0,7 mg/100L).”
All installations must conform to local building & mechanical codes.
NOTE
Do not use Teflon tape on gas line connections as this can cause gas valve malfunc-
tion or plugging of orifices from shreds of tape.
OVEN REQUIREMENTS
CAUTION
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Страница 114: ...XLT Ovens PO Box 9090 Wichita Kansas 67277 US 888 443 2751 FAX 316 943 2769 INTL 316 943 2751 WEB www xltovens com ...