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Manual Sterling A0552321

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Summary
  • Sterling A0552321 - page 1

    Cooling Tower Water and Chilled Water Pump Tanks Part Number: A0552321 Bulletin Number: SC5-605.7 Effective: 4/11/08 Write Down Your Serial Numbers Here For Future Reference: _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ We are committed to ...

  • Sterling A0552321 - page 2

    Pump Tanks 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 According to the con ...

  • Sterling A0552321 - page 3

    Pump Tanks iii Table of Contents CHAPTER 1: SAFETY ................................................................. 5 1-1 How to Use This M anual ................................................................................. 5 Safety Symbols Used in this Manual ..................................................................... 5 1-2 Warnings ...

  • Sterling A0552321 - page 4

    Pump Tanks iv NEMA Panel Standard Features ......................................................................... 20 NEMA Panel Options .......................................................................................... 20 6-3 Drawings and S pecificati ons ......................................................................... 21 Coolin ...

  • Sterling A0552321 - page 5

    Pump Tanks Chapter 1: Safety 5 of 36 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 main tenance. No ot ...

  • Sterling A0552321 - page 6

    Pump Tanks Chapter 1: Safety 6 of 36 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 this equipment, use ...

  • Sterling A0552321 - page 7

    Pump Tanks Chapter 2: Functional Description 7 of 36 Chapter 2: Functional Description 2-1 Models Covered in This Manual This manual covers many models of cooli ng tower pump tanks and chilled water pump tanks with operating capacities of 100 to 6,125 gallons (3 78 to 23,183 liters). Pump tanks are designed, specified, and engineered to meet th e n ...

  • Sterling A0552321 - page 8

    Pump Tanks Chapter 2: Functional Description 8 of 36 2-3 Standard Features All tower and chilled water pump tanks co me standard with the following: • ODP motors and cast iron im pellers on standard pumps • Centrifugal pump(s) with cast iron housings, cast iron impellers and mechanical seals • Solid diamond-plate pump ledge • Standard hardw ...

  • Sterling A0552321 - page 9

    Pump Tanks Chapter 2: Functional Description 9 of 36 2-4 Optional Features All cooling tower and chilled water pump tanks are available with the following: • Standby pump • Frame reinforcement for supporting other equipm ent • Special paint • Mild steel well and fittings (divider if applicable) • Second pump ledge • Support legs • OSH ...

  • Sterling A0552321 - page 10

    Pump Tanks Chapter 3: Installation 10 of 36 Chapter 3: Inst allation 3-1 Uncrating Your Pump Tank Caution! Due to the size and weight of larg er model pump tanks, the manufacturer recommends using bonded professional m illwrights to unload and move larger pump tanks. Rig the pump tank from the frame onl y and use spread er bars to prevent load tran ...

  • Sterling A0552321 - page 11

    Pump Tanks Chapter 3: Installation 11 of 36 3-4 Installing Separa te Tank Ledge M odels Pump tanks from the 2000, 2700, 3700, and 5100 Seri es are a two-component design with separate tank and pump ledge assemblies. These models include a hardware package and assembly drawing located in the information packet. The tank and pump ledge were temporari ...

  • Sterling A0552321 - page 12

    Pump Tanks Chapter 3: Installation 12 of 36 3-7 Making Piping Connections Piping systems vary with process application and pump tank configuration. Typical system configurations are available in the Appendix, but the details ma y or may not apply to your application. Refer to Figure 1 on page 13 for pipe si zing guidelines. Piping system s must be ...

  • Sterling A0552321 - page 13

    Pump Tanks Chapter 3: Installation 13 of 36 Figure 1: Pipe Sizing Guide Pipe Sizing Guide Pipe Size Flow-Steel Pipe Flow-PVC Pipe 1/2 2 2 3/4 5 5 1 10 10 1 1/4 20 20 1 1/2 30 30 2 50 55 2 1/2 100 100 3 160 160 4 320 320 6 900 1000 8 2000 2100 10 3500 3700 12 5000 5800 Based on 10’ head loss/100’ of pipe (new pipe) — open piping systems. A saf ...

  • Sterling A0552321 - page 14

    Pump Tanks Chapter 3: Installation 14 of 36 Tower Tank Piping Connections Return From Process (Single Well). Connect process return piping to the cooling tower inlet with appropriate balancing valves and ga uges. Size this line to the tower flow rate. Return From Process (Dual Well). Connect process return piping to the hot well. Size piping to the ...

  • Sterling A0552321 - page 15

    Pump Tanks Chapter 3: Installation 15 of 36 Chilled Water Piping Connections Process Pump Discharge (Single Well). Connect process pump discharge to the chiller evaporator water inlet. Size to the chilled wate r flow rate. Chiller evaporator inlet and outlet should have valves and temperature and pressure gauges. Outlet of the evaporator is connect ...

  • Sterling A0552321 - page 16

    Pump Tanks Chapter 4: Operation 16 of 36 Chapter 4: Operation 4-1 Start-up 1. Close the drain line at the bottom of the pump tank. 2. Open the 1” makeup water valve and allow the tank to fill until the automa tic float valve shuts off. Adjust the float level so the standing wa ter level is 16” from the top of the tank, 12” on 150 Series pum p ...

  • Sterling A0552321 - page 17

    Pump Tanks Chapter 4: Operation 17 of 36 4-3 Stand-b y Pump Usage All stand-by pumps should be checked intermitte ntly to make sure they are operational for when they may be required for usage. Single Stand-by pump: 1. Open the suction valve fully and lock down. 2. Open the discharge valve slowly until it is equal to the pum p it will be replacing. ...

  • Sterling A0552321 - page 18

    Pump Tanks Chapter 5: Maintenance 18 of 36 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 growth. Treat your syste ...

  • Sterling A0552321 - page 19

    Pump Tanks Chapter 6: Appendix 19 of 36 Chapter 6: Appendix 6-1 Technical Assistance Parts Department Call toll-free 7am–5pm CST [ 800 ] 423- 3183 or call [262] 641-8610, Fax [262] 641-8653 The ACS Customer Service Group w ill provide your compan y with genuine OEM qual ity parts manufactured to engineering design spec ifications, which will maxi ...

  • Sterling A0552321 - page 20

    Pump Tanks Chapter 6: Appendix 20 of 36 6-2 Remote Starters and NEMA Panels Pump tanks can be provided with electrical contro ls such as basic m otor starters or elaborate NEMA panels. Motor starters or NEMA panels can be shipped loose for field installation or pre-m ounted for space saving convenience. Motor starters are equipped with on/off selec ...

  • Sterling A0552321 - page 21

    Pump Tanks Chapter 6: Appendix 21 of 36 6-3 Drawings and Specifications Cooling Tower Water Pump Tanks American Standards Maximum Return Tank weight tower tons c Capacity Maximu m water & ove rfl ow Dimensions (less pumps) Model Single Dual gallons pumps/ connections inches pounds number well well Overflow Operating ledge Inches L W H Shipping ...

  • Sterling A0552321 - page 22

    Pump Tanks Chapter 6: Appendix 22 of 36 Figure 2: Standard Pumps and Trim Based on Cooling Tower Capacities (Flow Based on 3 gpm per Ton) American Standards Capacity Trim Process Recirculating Nominal Nominal flow size pump pump cooling tower tons gallons inches hp hp 20 60 2½” 5 3 30 90 2½” 7½ 3 40 120 3” 7½ 5 50 150 3” 10 5 60 180 4? ...

  • Sterling A0552321 - page 23

    Pump Tanks Chapter 6: Appendix 23 of 36 Chilled Water Pump Tanks American Standards Maximum tons Return Tank weight chilled H 2 O c Capacity Maximum water & ove rfl ow Dimensions (less pumps) Model Single Dual gallons Pumps/ Connections inches pounds number well well Overflow Operating Ledge inches L W H Shipping Opera ting CW140 (D) 47 23 125 ...

  • Sterling A0552321 - page 24

    Pump Tanks Chapter 6: Appendix 24 of 36 Figure 3: Standard Pumps and Trim Based on Chiller Capacities (Flow based on 2.4 gpm per ton) American Standards Capacity Trim Process Recirculating Nominal Nominal flow size pump pump refrigeration tons gallons inches hp hp 25 60 2½” 5 3 35 84 2½” 7½ 3 50 120 3” 7½ 5 60 144 3” 10 5 75 180 4” 10 ...

  • Sterling A0552321 - page 25

    Pump Tanks Chapter 6: Appendix 25 of 36 Process Pump Curves and Specifications A0548756 100 P1 PROCESS PUMP CURVES - 60 CYCLE 120 140 160 180 200 220 PSI CM KG/ 2 FEET TOTAL HEAD PER MINUTE LITERS PER MINUTE U.S. GALLONS 40 50 60 70 80 90 100 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 100 200 300 400 500 600 700 800 900 1000 500 1000 1500 2000 2500 3000 3500 40 ...

  • Sterling A0552321 - page 26

    Pump Tanks Chapter 6: Appendix 26 of 36 Re-circulation Pump Curves and Specifications PSI KG/ TOTAL HEAD FEET CM 2 P2 RECIRCULATING PUMP CURVES - 60 CYCLE 40 50 60 70 80 90 100 110 20 25 30 35 40 45 1.5 2 2.5 3 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 500 1000 1500 2000 2500 3000 3500 4000 5000 4500 U.S. GALLONS PER MINUTE PER MINUTE ...

  • Sterling A0552321 - page 27

    Pump Tanks Chapter 6: Appendix 27 of 36 6-4 Parts List Recommended Spare Parts Part number Quantity Description A0550190 1 Pressure gauge A0501073 1 Temperature gauge A0069286 1 (if required) Strainer basket, 12” (approx. 30.5 cm) A0069285 1 (if required) Strainer basket, 18” (approx. 45.7 cm) A0102396 1 Float valve, 1” (approx. 2 5.4 mm) A00 ...

  • Sterling A0552321 - page 28

    Pump Tanks Chapter 6: Appendix 28 of 36 6-5 Optional Assembly Detail Drawings Tank Support Leg Assembly Detail: 4 Legs ...

  • Sterling A0552321 - page 29

    Pump Tanks Chapter 6: Appendix 29 of 36 Tank Support Leg Assembly Detail: 6 Legs ...

  • Sterling A0552321 - page 30

    Pump Tanks Chapter 6: Appendix 30 of 36 Tank Support Leg Assembly Detail: 7 Legs ...

  • Sterling A0552321 - page 31

    Pump Tanks Chapter 6: Appendix 31 of 36 Tank Ladder Assembly Detail ...

  • Sterling A0552321 - page 32

    Pump Tanks Chapter 6: Appendix 32 of 36 Sightglass Assembly Detail ...

  • Sterling A0552321 - page 33

    Pump Tanks Chapter 6: Appendix 33 of 36 6-6 Typical Piping Diagrams Typical Single Well Cooling Tower Water Pump Tank Piping System Cooling tower P P 3/8" drain intended to prevent tower freeze-up. Do NOT valve. 3/4" constant bleed Bypass Makeup Single tower water reservoir Strainer basket Cooling tower fan control (optional) T Overflow B ...

  • Sterling A0552321 - page 34

    Pump Tanks Chapter 6: Appendix 34 of 36 Typical Dual Well Cooling Tower Pump Tank Piping System P P Cooling tower Bypass Tower water return Tower water supply 1/4" swing check valve mounted 12" above highest point in return piping 3/8" drain intended to prevent tower freeze-up. Do NOT valve. 3/4" constant bleed Overflow Dual wel ...

  • Sterling A0552321 - page 35

    Pump Tanks Chapter 6: Appendix 35 of 36 Typical Single Well Chilled Water Pump Tank Piping System 1/4" swing check valve located 12 " above highest point in return line Tower water return and supply Bypass Chilled water return Chilled water supply Overflow Backflow preventer (by others) T P Evaporator Condenser Chiller T P Makeup Single c ...

  • Sterling A0552321 - page 36

    Pump Tanks Chapter 6: Appendix 36 of 36 Typical Dual Well Chilled Water Pump Tank Piping System 1/4" swing check valve located 12 " above highest point in return line Tower water return and supply Bypass Chilled water return Chilled water supply Backflow preventer (by others) Overflow T P T P Dual chilled water reservoir Return Drain Cold ...

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