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SPX Cooling Technologies 1200 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    / Mar le y Sigma 1 0 00/120 0 Cooling T ower / Engineer ing Data & Specifications[...]

  • Page 2

    Mar ley / Sigma 1 00 0/120 0 Cooling T ower / T able of Contents Engineer ing Data 1 0 0 0 S c hematic 4 1 0 0 0 Piping 5 1 0 0 0 Suppor t 6 1200 Sc hematic 8 1200 Piping 9 1200 Support 1 0 Energy Management 12 Environmental 13 Specifications / Base Base 1 4 Thermal P erformance 15 Construction 16 Fan Dec k and F an Cylinder 17 Mec hanical Equipmen[...]

  • Page 3

    Mar ley / Sigma 1 0 00/120 0 Cooling T ower / 3 S igma 1000/1200 towers are field-erected, general purpose crossflow wood cooling towers, designed to serve normal air conditioning and refrigeration systems as well as medium sized industrial loads. They evolve from the crossflow concept of towers pioneered by Marley in 1938, and incorporate over [...]

  • Page 4

    Mar ley / Sigma 1 0 00 Cooling T ower / Engineer ing Data : Schematic 4 B H TOP OF FAN CYLINDER BASE OF TOWER COLUMNS TOP OF FAN DECK W OUT TO OUT OF T OWER 5" C L COL. A BA YS @ 4'-0 = L C L COL. C L COL. 5" C DIA. FA N PLAN ENdw ALL ELEv A tioN NotE 1 Last number of model indicates number of cells. Change as appropriate for y our s[...]

  • Page 5

    Mar ley / Sigma 1 0 00 Cooling T ower / Engineer ing Data : Piping 5 F MINIMUM C L INLET C L COL. C C L INLET D TYP . MUL TI-CELL PIPING SHOWN WITH DASHED LINES IS BY OTHERS E F ACE OF A DIA. INLET PIPING C L TOWER F AN C L TOWER F AN B DIA. FLOW CONTROL VA LV E AND CROSS OVER PIPING PLAN G BASE OF TO WER COLUMNS C L INLET ENdw ALL ELEv A tioN NotE[...]

  • Page 6

    Mar ley / Sigma 1 0 00 Cooling T ower / Engineer ing Data : Support 6 W OVERALL WIDTH OF BASIN C BA YS @ 4'-0 = L EACH ADDITIONAL CELL = L 7 1/2 " 7 1/2 " AIR INLET F ACE 11 1/2 " A C L C L OVERALL LENGTH OF BASIN C L C L B A B C L TOWER C L C L AIR INLET F ACE ENDW ALL F ACE ENDW ALL F ACE OVERFLOW SUMP ADDITIONAL SUMP WHEN REQ[...]

  • Page 7

    Mar ley / Sigma 1 0 00 Cooling T ower / Engineer ing Data : Concret e Basin 7 NotE 1 Use this bulletin for preliminary layouts only . Do not use for construction. Obtain current dra wings from your Marley sales representative. Concrete basin design and construction are b y other contractors or purc haser . 2 Operating weight is total wet operating [...]

  • Page 8

    Mar ley / Sigma 120 0 Cooling T ower / Engineer ing Data : Schematic 8 NotE 1 Last number of model indicates number of cells. Change as appropriate for y our selection. Primar y engineering data is per cell. 2 Fan hp is usually less than sho wn here. 3 Height shown is from base of to wer columns to fan dec k. W ood basin, if used, elev ates tower 6[...]

  • Page 9

    Mar ley / Sigma 120 0 Cooling T ower / Engineer ing Data : Piping 9 NotE 1 Use this bulletin for preliminary layouts only . Obtain current drawings from y our Marley sales representative. 2 Pumping head contributed b y the tower is static lif t shown on page 9. A ctual pumping head will vary according to tower circulating GPM. T otal pumping head w[...]

  • Page 10

    Mar ley / Sigma 120 0 Cooling T ower / Engineer ing Data : Support 10 NotE 1 Use this bulletin for preliminary layouts only . All dimensions show anc hor bolt locations. Obt ain current drawings from y our Marley sales representative before designing supports. 2 Note carefully anc hor bolt location relative to beam orientation. See plan abov e. 3 O[...]

  • Page 11

    Mar ley / Sigma 120 0 Cooling T ower / Engineer ing Data : Concret e Basin 11 NotE 1 Use this bulletin for preliminary layouts only . Do not use for construction. Obtain current dra wings from your Marley sales representative. Concrete basin design and construction are b y other contractors or purc haser . 2 Operating weight is total wet operating [...]

  • Page 12

    Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Engineer ing D ata: Energ y Management 12 Cooling tow ers are usually selected to produce a specific cold water temperat ure at the higher summer -time wet-bulb temperatures. During the remainder of the y ear , the cooling tow er is capable of producing much colder w ater . Unless your system will bene[...]

  • Page 13

    Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Engineer ing D ata: Envir onmental 13 Enclosur es Occasionally , cooling towers are located inside arc hitectural enclosures for aesthetic reasons. Although Sigma towers adapt well to enclosures, a poorly designed enclosure can impair proper operation. An ef fectiv e design includes gener - ous air inle[...]

  • Page 14

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 14 1.0 Base: 1.1 F urnish and inst all an induced-draf t, crossflow -type, field-erected, wood- framed, PVC fill, industrial-dut y cooling tow er of _____ cell(s), as sho wn on Plans. The limiting ov erall dimensions of the tower shall be _____[...]

  • Page 15

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 15 2.0 Ther mal P erfor mance: 2.1 The tow er shall be capable of cooling _____ GPM of water from ____ °F to _____ °F at a design entering air wet- bulb temperature of _____ °F . The cool- ing tower manufacturer shall guarantee that the tower s[...]

  • Page 16

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 16 3.0 Constr uction: 3.1 The tow er shall be capable of with- standing water having a pH of 6.5 to 8.0; a c hloride content (NaCl) up to 750 ppm; a sulfate content (SO 4 ) up to 1 20 0 ppm; a sodium bicarbonate con- tent (NaHCO 3 ) up to 20 0 ppm[...]

  • Page 17

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 17 4.0 F an Deck and F an Cylinder: 4.1 The fan dec k shall act as a working platform for maintenance personnel. It shall be fabricated of no less than 1" thick, 7 ply , exterior grade, treated Douglas Fir plywood, and shall be designed for a[...]

  • Page 18

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 18 5.0 Mechanical Equipment: 5.1 Fan(s) shall be propeller -t ype, incorpo- rating heavy dut y blades of cast alumi- num or high strength, inert composite material. Blades shall be individually adjustable and replaceable. Fan(s) shall be driven th[...]

  • Page 19

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 19 6.0 Fill, Louv ers and Drif t Eliminators: 6.1 Fill shall be film-type, 1 5 mil thick, thermoformed PV C, with louvers formed as part of eac h fill sheet. Fill shall be suspended from st ainless steel structural tubing supported from the uppe[...]

  • Page 20

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 20 7.0 Hot W ater Distr ibution System: 7.1 The mec hanical equipment support/ crossov er pipe shall deliver water to two open hot water basins per cell at the fan deck elev ation. W ater shall exit these basins to the fill by gravity through met[...]

  • Page 21

    Specifications Specification V alue Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Base 21 9.3 Eac h endwall of the tower shall be equipped with a 20" wide aluminum vertical ladder , through-bolted to the endwall struct ure. Ladder shall rise from the cold water basin lev el to the top of the fan dec k guardrail, and shall be de[...]

  • Page 22

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 22 Specification V alue Control Options Control Syst em: 5.7 Add the following paragraph in the Mechanical Equipment section: Eac h cell of the cooling tower shall be equipped with a UL listed control system in a NEMA 3R or 4X outdoor enclosure capable of controlli[...]

  • Page 23

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 23 Specification V alue Basin Heater: 10.2 Add the following paragraph in the Cold W ater Basin section: Provide a system of electric immersion heat- ers and controls for eac h cell of the tow er to prev ent freezing of water in the collection basin during periods [...]

  • Page 24

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 24 Specification V alue to modulate fan speed maintaining set point temperature. The drive's panel dis- play shall be able to display the set-point temperature and cold-fluid temperature on t wo separate lines. The bypass shall include a complete magnetic byp[...]

  • Page 25

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 25 Specification V alue set point shall be displayed on the door of the control panel. The bypass shall include a complete magnetic bypass circuit with capabilit y to isolate the VFD when in the bypass mode. T ransf er to the bypass mode shall be automatic in the e[...]

  • Page 26

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 26 Specification V alue Conv enience and Saf ety Options Stairwa y: 9.3 Replace paragraph 9.3 with the fol- lowing: A 30" wide, column supported, 45° st air way with 8" rise and r un of treated Douglas Fir shall be provided at the tower endwall rising fr[...]

  • Page 27

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 27 Specification V alue Oil Level Sight Glass: 5.4 Replace paragraph 5.4 with the fol- lowing: A galv anized oil gauge and drain line shall extend from the gear reducer to the vicinity of the motor , and shall be equipped with a bronze- bodied oil level sight glass[...]

  • Page 28

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 28 Specification V alue Low Noise T ow er: 1.1 Add the following at the end of this paragraph: The cooling tow er shall be quiet operating , and shall produce an ov erall level of sound no higher than ____ dBA at the critical location indicated on the Plans. ■ So[...]

  • Page 29

    Specifications Mar ley / Sigma 1 0 00/120 0 Cooling T ower / Specifications: Options 29 Specification V alue W ater tight Par titions Between Cells: 3.5 Replace the last sentence in this paragraph with the following: P artitions shall be 3/4" x 5-ply , factor y- fabricated, groov ed and splined treated Douglas Fir plywood sheets, installed and[...]

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    7 4 01 WEST 1 29 STRE ET OVER LAN D P AR K, KANSAS 6 621 3 U N ITE D ST A TES 913 6 64 7 400 spxcooling@spx.com spxcooling.com In the interest of techno logical progr ess, all products are subject to design and/or material change without notice. ©2008 SPX Cooling T ech nologies, Inc. Printed in USA | SIG-T S -08A[...]