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Évaluations - 5, GPA: 3.8 ( )

Instructions American Dryer Corp., Modèle 50 lb. Single Pocket MDG50V

Fabricant : American Dryer Corp.
Taille : 1.04 mb
Nom Fichier : 509a73e1-b24b-4db3-abe9-cde84a6019ad.pdf
Langue d'enseignement: en
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The dryer must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure test of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa). IMPORTANT: Failure to isolate or disconnect the dryer from supply as noted can cause irreparable damage to the gas valve, which will VOID THE WARRANTY. WARNING: FIRE OR EXPLOSION COULD RESULT. 1. Gas Supply The gas dryer installation must meet the American National Standard...National Fuel Gas Code ANSI Z223.1-LATEST EDITION, or in Canada, the Canadian Installation Codes CAN/CGA-B149.1 M91 (Natural Gas) or CAN/CGA-B149.2-M91 (L.P. Gas) or LATEST EDITION, as well as local codes and ordinances and must be done by a qualified professional. NOTE: Undersized gas piping will result in ignition problems, slow drying, increased use of energy, and can create a safety hazard. The dryer must be connected to the type of heat/gas indicated on the dryer data label affixed to the left side panel area behind the top control (access) door. If this information does not agree with the type of gas available, DO NOT operate the dryer. Contact the dealer who sold the dryer or contact the Maytag Co. IMPORTANT: Any burner changes or conversions must be made by a qualified professional. The input ratings shown on the dryer data label are for elevations up to 2,000 feet (610 meters), unless elevation requirements of over 2,000 feet (610 meters) were specified at the time the dryer order was placed with the factory. The adjustment or conversion of dryers in the field for elevations over 2,000 feet (610 meters) is made by changing each burner orifice. If this conversion is necessary, contact the dealer who sold the dryer or contact the Maytag Co. 23 2. Technical Gas Data a. Gas Specifications NATURAL LIQUID PROPANE Manifold Pressure* 3.5 inches W.C. 8.7 mb 10.5 inches W.C. 26.1 mb In-Line Pressure 6.0 - 12.0 inches W.C. 14.92 - 29.9 mb 11.0 inches W.C. 27.4 mb Shaded areas are stated in metric equivalents * Measured at outlet side of gas valve pressure tap when gas valve is on. b. Gas Connections Inlet connection -------------1/2” N.P.T. Inlet supply size -------------1/2” N.P.T. (minimum) Heat input (per dryer) ------150,000 Btu/hr (37,800 kcal/hr) 1) Natural Gas Regulation is controlled by the dryer’s gas valve’s internal regulator. Incoming supply pressure must be consistent between a minimum of 6.0 inches (14.92 mb) and a maximum of 12.0 inches (29.9 mb) water column (W.C.) pressure. 2) Liquid Propane (L.P.) Gas Dryers made for use with L.P. gas have the gas valve’s internal pressure regulator blocked open so that the gas pressure must be regulated upstream of the dryer. The pressure measured at each gas valve pressure tap must be a consistent 10.5 inches (26.1 mb) water column. There is no regulator or regulation provided in an L.P. dryer. The pressure must be regulated at the source (L.P. tank) or an external regulator must be added to each dryer. Liquid Propane Conversion Kit Part Number MODEL Btu/hour kcal/hr Natural Liquid Propane NUMBER Rating Rating Qty. D.M.S.* Part No. Qty. D.M.S.* Part No. MDG50V 150,000 37,800 3 #29 140820 3 #46 140806 883325 Shaded area is stated in metric equivalent * Drill Measurement Size (D.M.S.) equivalents are as follows: Natural Gas ...................... #29 = 0.1360” (3.4540 mm). Liquid Propane Gas ......... #46 = 0.810” (2.0574 mm). 24 3. Piping Connections ALL components/materials must conform to National Fuel Gas Code Specifications ANSI Z223.1-LATEST EDITION, or in Canada, CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing), as well as local codes and ordinances and must be done by a qualified professional. It is important that gas pressure regulators meet applicable pressure requirements, and that gas meters be rated for the total amount of ALL the appliance Btus being supplied. The dryer is provided with a 1/2” N.P.T. inlet pipe connection extending out the back area of the burner box. The minimum pipe size (supply line) to the dryer is 1/2” N.P.T. For ease in servicing, the gas supply line of each dryer must have its own shutoff valve. The size of the main gas supply line (header) will vary depending on the distance this line travels from the gas meter or, in the case of L.P. gas, the supply tank, other gas-operated appliances on the same line, etc. Specific information regarding supply line size should be determined by the gas supplier. NOTE: Undersized gas supply piping can create a low or inconsistent pressure, which will result in erratic operation of the burner ignition system. 25 Consistent gas pressure is essential at ALL gas connections. It is recommended that a 3/4-inch (19.05 mm) pipe gas loop be installed in the supply line servicing a bank of dryers. An in-line pressure regulator must be installed in the gas supply line (header) if the (natural) gas pressure exce...


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