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Sommario del manuale d’uso
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Pagina 1
SF Series Fiberglass Cooling Towers Part Number: 882.00440.00 Bulletin Number: SC6-610.5 Effective: 6/15/07 Write Down Your Serial Numbers Here For Future Reference: _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ We are committed to a contin[...]
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Pagina 2
Fiberglass Cooling Towers ii Shipping Information Unpacking and Inspection You should inspect your equipm ent for possible shipping damage. Thoroughly check the equipment for any damage that m ight have occu rred in transit, such as broken or loose wiring and components, loose hardware and mounting screws, etc. In the Event of Shipping Damage Accor[...]
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Pagina 3
Fiberglass Cooling Towers iii Table of Contents CHAPTER 1: SAFETY ................................................................ 6 1-1 How to Use Th is M anual ................................................................................. 6 Safety Symbols Used in this Manual .....................................................................[...]
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Pagina 4
Fiberglass Cooling Towers iv 6-3 Parts Li st ....................................................................................................... 24 6-4 Electrical Sc hematic s .................................................................................... 25[...]
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Pagina 5
Fiberglass Cooling Towers v List of Figures Figure 1: Structural Stee l Support Requirements ......................................................................... 11 Figure 2: Rigging Arrangement .................................................................................................. .. 13 Figure 3: Cooling Tower with To wer Reservoir[...]
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Pagina 6
Fiberglass Cooling Towers Chapter 1: Safety Page 6 of 25 Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your equipment. The purpose is to assist you in a pplying efficient, proven techniques that enhance equipment productivity. This manual covers only light corrective[...]
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Pagina 7
Fiberglass Cooling Towers Chapter 1: Safety Page 7 of 25 1-2 Warnings and Precautions Our equipment is designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. To avoid possible personal injury or equi pm ent damage when installing, operating, or maintaining[...]
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Pagina 8
Fiberglass Cooling Towers Chapter 2: Functional Description Page 8 of 25 Chapter 2: Functional Description 2-1 Models Covered in This Manual This manual covers fiberglass cooling tower m odels. Model numbers are listed on the serial tag. A model number followed by –Q is specially-constructed, and the information in this manual may not apply. Make[...]
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Pagina 9
Fiberglass Cooling Towers Chapter 2: Functional Description Page 9 of 25 2-4 Optional Features Side Outlet. The side outlet is used when th e tower basin is used as a reservoir. Starter Package. The starter package includes a st arter, a re mote On/Off switc h, a thermostat, and a well. Basin Reservoir. The basin reservoir includes an automatic flo[...]
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Pagina 10
Fiberglass Cooling Towers Chapter 3: Installation Page 10 of 25 Chapter 3: Inst allation 3-1 Tower Installation Location Roof Installation Select a location over or nearest to the heavi est building structural members. These members should be outside load-bearing walls, building co l umns, or roof joists. You may need to spread the load over severa[...]
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Pagina 11
Fiberglass Cooling Towers Chapter 3: Installation Page 11 of 25 Figure 1: Structural St eel Support Requirements TSE50 Structural steel A C C B B C C D 2 X 2 angle to support tower basin, flush with top of structural steel rails Model A B C D number in. cm in. cm in. cm in. cm SF2003 52 132.1 50 127.0 16 40.6 78 175.3 SF2004 52 132.1 50 127.0 16 40[...]
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Pagina 12
Fiberglass Cooling Towers Chapter 3: Installation Page 12 of 25 3-2 Assembling the Cooling Tower in the Field Your cooling tower may have been shipped on two skids to reduce shipping charges. One skid contains the lower section, identifie d by the black fill wrapped in plastic on the inside of the lower section. The second skid contains the top tow[...]
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Pagina 13
Fiberglass Cooling Towers Chapter 3: Installation Page 13 of 25 Do not let the rigging transfer any load to the cooling tower shell. Provide support to the bottom of the cooling tower when riggi ng. Do not rig from the corners of the o p tional base. Do not ri g less than 8 inches from the corners. 3-3 Rigging Handle the fiberglass cooling tower sh[...]
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Pagina 14
Fiberglass Cooling Towers Chapter 3: Installation Page 14 of 25 Install the piping according to the piping diagra ms in Figure 3 on page 14, Figure 4 on page 14, and Figure 5 on page 15. Figure 3: Cooling Tower with To wer Reservoir Piping Diagram inlet Type 2 Type 2 pressure gauge Do not apply excessive torque to fittings Caution! Overflow 3/4&quo[...]
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Pagina 15
Fiberglass Cooling Towers Chapter 3: Installation Page 15 of 25 Figure 5: Flexible PVC Outlet Coupler Tower outlet Flexible PVC coupling (from AEC) Outlet pipe must be supported from building structure or tower steel Clamps (from AEC) (from Sterling) Flexible PVC Coupling (from Sterlin g )[...]
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Pagina 16
Fiberglass Cooling Towers Chapter 3: Installation Page 16 of 25 3-6 Setting Up the Water Balancing Valve Install the plug provided in the unused water in let on the side of the tower. Tighten and check for leaks. To prevent damage to the tower fill materi al, use the water throttling valve and pressure gauge to regulate the water pressure to the to[...]
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Pagina 17
Fiberglass Cooling Towers Chapter 4: Operation Page 17 of 25 Chapter 4: Operation 4-1 Bleed-Off and Evaporation Rates A proper bleed-off rate is important to limit the concentration of minerals and foreign materials in re-circulated water. A bleed-off e qual to the evaporation rate, normally about two gallons per hour per ton (7. 57 liters per hour[...]
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Pagina 18
Fiberglass Cooling Towers Chapter 5: Maintenance Page 18 of 25 Chapter 5: Maintenance 5-1 Preventative Maintenance Water Treatment Control of slime, algae, and bacteria growth is extremely important. Cooling towers and reservoir pump tanks are superb environments for microorganism growth. Warm water, organic debris, and air encourage bacterial grow[...]
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Pagina 19
Fiberglass Cooling Towers Chapter 5: Maintenance Page 19 of 25 5-2 Corrective Maintenance Replacing Nozzles and Fill The PVC fill used in these cooling towers provides years of maintenance-free service under normal conditions. If you discover dirty water or defective nozzle(s) dama ge the fill, you can order a replacement kit from the parts departm[...]
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Pagina 20
Fiberglass Cooling Towers Chapte r 6: Appendix Page 20 of 25 Chapter 6: Appendix 6-1 Technical Assistance Parts Department Call Toll-Free 7am–6pm CST [ 800 ] 423-3183 or call [ 262 ] 641-8 610 Our Parts Department is ready to provide th e parts to keep your s ystems up and running. OEM replacement parts ensure operation at d esign specifications.[...]
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Pagina 21
Fiberglass Cooling Towers Chapte r 6: Appendix Page 21 of 25 6-2 Drawings and Specifications C A0536711 A Fan guard B Top View Access Fan motor Fan blade Nozzle adaptor Nozzle door Rigid PVC tower fill Water diverter Motor support assembly Side View Cutaway View Supply piping D Return pipin g E Figure 7: Dimensions and Weights Dimensions Weights Mo[...]
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Pagina 22
Fiberglass Cooling Towers Chapte r 6: Appendix Page 22 of 25 Figure 8: Tower Performance c Cooling Fan NEC Nominal Model capacity Nozzles motor amp draw air flow number tons Kcal/hr no. hp kW rpm 460/3/60 cfm cmh SF2003 50 151,200 1 2 1.5 1,200 3.4 12,000 20,388 SF2004 75 226,800 4 5 3.7 1,200 7.6 18,000 30,582 SF2005 100 302,400 4 5 3.7 900 7.6 23[...]
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Pagina 23
Fiberglass Cooling Towers Chapte r 6: Appendix Page 23 of 25 Figure 9: Cooling Tower Nozzle Capacity Nozzle 1D Nozzle 1B Water pressure in psi 234 5 67 8 9 1 0 13.8 20.7 27.6 34.4 41.3 48.2 55.1 62.0 (max.) 68.9 Water pressure in kPa (max.) 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 Flow rate in gpm Flow rate in cu. meters/sec.[...]
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Pagina 24
Fiberglass Cooling Towers Chapte r 6: Appendix Page 24 of 25 6-3 Parts List Figure 10: Supplied Parts for Field Assembly Part Number Quantity Description A0101485 1 Silicone A0533163 110 Stainless steel flat washers, 5/16” A0539417 55 Stainless steel screws, 5/16”-18 x 1 3/4” A0533167 55 Stainless steel hex nut, 5/16”-18 A0534122 55 Stainle[...]
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Pagina 25
Fiberglass Cooling Towers Chapte r 6: Appendix Page 25 of 25 6-4 Electrical Schematics Figure 12: Typical Wiring Diagram 115/1/60 208-230-460/3/60 Starter with overloads M Fan ON/OFF switch Thermostat Immerse bulb in tank Non-fused disconnect at tower Fused disconnect switch[...]