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SPX Cooling Technologies Marley Aquatower manual

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Table of contents for the manual

  • Page 1

    / Mar le y A quat o w e r ® Cooling T ower /[...]

  • Page 2

    2 / The Aquat ow er Adv antag e / ■ Proven Performance. CTI Certified. Plus SPX stands by its responsibility for r eliable thermal per formance. We designed it. We rate it. W e guarantee it! ■ Induced-Draft Design. S ave on fan power . The fan will operate in a warm atmosphere even in winter , so you’ll never have to work on frozen mechanica[...]

  • Page 3

    3 / The Mar ley Dif f er ence / T oday’ s Aquatower may be the most space/energy- efficient cooling tower available. Y our needs have dictated constant technological improvement. Thousands of Aquatower users enjoy the benefits of eight major redesigns and dozens of minor improvements in the past 40 years. For example, PVC film-fill enables th[...]

  • Page 4

    4 SIDE ELEV A TION AIR INLET ELEV A TION 1. Nominal tons are based upon 35°C HW , 29.5°C CW , 25.5°C WB and .68 m 3 /hr per ton. The Marle y UPD A TE web-based selection sof t ware provides Aquato wer model recommendations based on specific design requirements. 2. Minimum clearance for adequate air supply . Consult your Marley sales repr esenta[...]

  • Page 5

    5 1. Use this bulletin for preliminary layouts only . Obtain current draw- ings fr om your Marley sales repr esentative or your local distribu- tor . 2. Purchaser to provide tower suppor ts complete with holes and bolts for anchorage. All supports must be framed flush and level at top. Maximum deflection to be 1/360th of span, not to exceed 13mm.[...]

  • Page 6

    6 / Constr uction And Components / ■ Water Distribution System W arm water flows through external piping (not included with the tower) into a splash box chamber at the top of the Aquatower . A splash box prevents the incoming water from spilling out of the basin and helps provide uniform water distribution. W ater then flows by gravity from the[...]

  • Page 7

    7 / Constr uction And Components / ■ Mechanical Equipment Belt-driven propeller fans insur e design airflow at minimum power . Fans are supported by an oil-lubricated tapered r oller bearing assembly with remote oil r eservoir . For ease of maintenance all drive components are accessible from outside the tower . Fan and fan guard. Guar d is easi[...]

  • Page 8

    8 / F r eeze Pr evention / When the ambient air temperature falls below 0°C, the water in a cooling tower can freeze. Marley T echnical Report #H-003 “Operating Cooling T owers in Freezing Weather” describes how to prevent fr eezing during operation. Ask your Marley sales repr esentative for a copy or download from our website. W ater collects[...]

  • Page 9

    9 / Field Assembly / 1. Maximum m 3 /hr applies to both pump and gravity flow piping sys- tems. The outlet piping on gravity flow systems must have sufficient vertical drop to overcome all other head losses in the system. 2. Bottom outlet is not available on Models 490A and 490B. ■ Field Assembly If you choose to assemble your Aquatower at the[...]

  • Page 10

    10 / Options / V er tical Discharge Hood This option is available on Models 494A and larger . It provides vertical discharge of the air leaving the tower . Hoods are galvanized steel. They ship separately for installation by others. A large ac- cess door provides entry to the fan and mechanical equipment. For use in restrictive enclosur es or other[...]

  • Page 11

    11 Base: Furnish and install an induced-draft, crossflow , factory- assembled, steel cooling tower of ____ cell(s), as shown on plans. T ower shall be similar and equal in all respects to Marley Series 4900 Aquatower , Model _______. T ower must be warranted by the manufacturer for one year from date of shipment. Performance: T ower shall cool ___[...]

  • Page 12

    SPX CO OLI NG TEC H N OL OG I ES U K L TD.. G R EGO RY'S BAN K WOR CESTE R WR3 8AB U N ITE D KI NG DO M +44 (0) 1905 7 20 200 info.uk@spx.com spxcooling.com In the i nterest o f tec hnologic al progre ss, all products are subject to design and/or material change without notice. ©2008 S PX Cooling T echnologies uk_AQ-0 8[...]