Transcription of Operation and Maintenance Instructions
1 Bulletin 113 FFor EVAPCO Authorized Parts and Service, Contact Your Local EVAPCO Representative or the Local Mr. GoodTower Service ProviderATUSSUTLSTELPTcATPMTQO peration andMaintenance InstructionsFOR EVAPCO INDUCED DRAFT AND FORCEDDRAFT COOLING TOWERS EVAPCO, Inc. World Headquarters & Research / Development CenterEVAPCO, Inc. Box 1300 Westminster, MD 21158 USAPHONE: 410-756-2600 FAX: 410-756-6450 E-MAIL: Inc. World Box 1300 Westminster, MD 21158 USAP hone: 410-756-2600 Fax: 410-756-6450E-mail: Asia/PacificEVAPCO Asia/Pacific Headquarters1159 Luoning Rd.
2 Baoshan Industrial ZoneShanghai, P. R. China, Postal Code: 200949 Phone: (86) 21-6687-7786 Fax: (86) 21-6687-7008E-mail: EuropeEVAPCO Europe BVBAE uropean HeadquartersIndustrieterrein Oost 40103700 Tongeren, BelgiumPhone: (32) 12-395029 Fax: (32) 12-238527E-mail: East5151 Allendale LaneTaneytown, MD 21787 USAP hone: 410-756-2600 Fax: 410-756-6450E-mail: Midwest1723 York RoadGreenup, IL 62428 USAP hone: 217-923-3431 Fax: 217-923-3300E-mail: West1900 West Almond AvenueMadera, CA 93637 USAP hone: 559-673-2207 Fax: 559-673-2378E-mail.
3 Iowa925 Quality DriveLake View, IA 51450 USAP hone: 712-657-3223 Fax: 712-657-3226 EVAPCO IowaSales & Engineering215 1st Street, Box 88 Medford, MN 55049 USAP hone: 507-446-8005 Fax: 507-446-8239E-mail: Northwest5775 Jean Road, Suite 104 Lake Oswego, Oregon 97035 USAP hone: 503-639-2137 Fax: 503-639-1800 EVAPCO Newton701 East Jourdan StreetNewton, IL 62448 USAP hone: 618-783-3433 Fax: 618-783-3499E-mail: Dry Cooling, US Highway 22 WestBridgewater, New Jersey 08807 USA Phone: 1-908-379-2665E-mail: Valves & Systems CorporationA wholly owned subsidiary of EVAPCO, Crosswind , TX 77808 USAP hone: 979-778-0095 Fax: 979-778-0030E-mail: wholly owned subsidiary of EVAPCO, Nieman RoadLenexa, KS 66214 USAP hone: 913-322-5165 Fax: 913-322-5166E-mail: Components, wholly owned subsidiary of EVAPCO, US HWY 64 ERamseur, NC 27316 Phone: 336-824-2102 Fax: 336-824-2190E-mail: Europe, Ciro Menotti 10I-20017 Passirana di RhoMilan, ItalyPhone: (39) 02-939-9041 Fax: (39) 02-935-00840E-mail.
4 Europe, Dosso 223020 Piateda Sondrio, ItalyEVAPCO Europe GmbHInsterburger Stra e 1840670 Meerbusch, GermanyPhone: (49) 2159-69560 Fax: (49) 2159-695611E-mail: coil a/sA wholly owned subsidiary of EVAPCO, sg rdvej 115DK-9440 Aabybro DenmarkPhone: (45) 9824 4999 Fax: (45) 9824 4990E-mail: (Pty.) licensed manufacturer of EVAPCO, Quality RoadIsando 1600 Republic of South AfricaPhone: (27) 11-392-6630 Fax: (27) 11-392-6615E-mail: Egypt Engineering Industries licensed manufacturer of EVAPCO, El Nasr RoadNasr City, Cairo, EgyptPhone: 2 02 24022866/ 2 02 24044997 Fax: 2 02 24044667/2 02 24044668E-mail: / (Shanghai) Refrigeration Equipment Co.
5 , Luoning Rd., Baoshan Industrial ZoneShanghai, China, Postal Code: 200949 Phone: (86) 21-6687-7786 Fax: (86) 21-6687-7008E-mail: EVAPCO Refrigeration Equipment Co., 13 Yanxi Avenue, Yanqi Development ZoneHuai Rou CountyBeijing, ChinaPostal code 101407 Phone: (86) 10 6166-7238 Fax: (86) 10 6166-7395E-mail: Australia (Pty.) Melbourne Box 436 Riverstone, Australia 2765 Phone: (61) 2 9627-3322 Fax: (61) 2 9627-1715E-mail: Composites Sdn. BhdNo. 70 (Lot 1289) Jalan Industri 2/3 Rawang Integrated Industrial ParkRawang, Selangor, 48000 MalaysiaPhone: 60 3 6092-2209 Fax: 60 3 6092-2210 EvapTech Asia Pacific Sdn.
6 BhdA wholly owned subsidiary of EvapTech, , IOI BoulevardJalan Kenari 5, Bandar Puchong Jaya47170 Puchong, Selangor Darul EhsanMalaysiaPhone: (60-3) 8070-7255 Fax: (60-3) 8070-5731E-mail: North INHEATTRANSFERPRODUCTS EVAPCO sWebsite at: O&M 113F_Layout 1 2/8/15 10:51 PM Page 12 Operation and Maintenance InstructionsTable of ContentsIntroduction .. 4 Safety Precautions .. 4 Initial Storage and/or Idle Period Recommendations .. 4 International Building Code Provision .. 4 Initial and Seasonal Start-Up Checklist .. 5 General.
7 5 Initial and Seasonal Start-Up .. 5 Maintenance Checklist .. 6-7 Seasonal Shut-Down Checklist .. 7 Basic Cooling Tower Sequence of Operation .. 8 System Off / No Load .. 8 System/Condensing Temperature Rises ..8 System Temperature Stabilizes ..8 System Temperature Drops ..8 System Off / No Load ..8 Bypass Mode ..8 Optional Defrost Cycle ..8 Fan System .. 9 Fan Motor Bearings .. 9 Fan Shaft Ball Bearings .. 9 Fan Belt Adjustment .. 10-11 Gear Drives .. 12 Air Inlet ..12 Fan System Capacity Control .. 12 Fan Motor Cycling .. 12 Sequence of Operation for Fan Motor Cycling.
8 12 Two Speed Motors .. 12 Variable Frequency Drives .. 13 Recirculated Water System Routine Maintenance .. 14 Suction Strainer in Cold Water Basin ..14 Cold Water Basin .. 14 Operating Water Levels .. 15 Water Make Up Valve .. 15 Pressurized Water Distribution System .. 16 Bleed-Off Valve .. 16 Water Treatment and Water Chemistry .. 17 Bleed or Blowdown .. 17 Galvanized Steel - Passivation .. 17 Water Chemistry Parameters .. 18 Control of Biological Contamination .. 18 Gray Water and Reclaimed Water .. 19 Air Contamination .. 19 Stainless Steel.
9 20 Maintaining the Appearance of Stainless Steel .. 20 Cleaning of Stainless Steel .. 20 Cold Weather Operation .. 21 Unit Layout .. 21 Freeze Protection of Recirculating Water ..21 Unit Piping ..21 Unit Accessories ..21-22 Capacity Control Methods for Cold Weather Operation ..22 Ice Management ..23G48533 O&M 113F_Layout 1 2/8/15 10:51 PM Page 23 Operation and Maintenance InstructionsTroubleshooting .. 23-25 Replacement Parts .. 26 Part Identification Drawings .. 27AT/USS 4 Wide Towers .. 27AT/USS 6 , 8 & Wide (per cell) Towers Side Connection.
10 28AT/USS 6 , 8 & Wide (per cell) Towers End Connection .. 29AT/USS 10 , 12 , & 14 Wide (per cell) Towers Side Connection .. 30AT/USS 10 & 12 Wide (per cell) Towers End Connection .. 31AT/USS 14 x 24 (per cell) Towers Side Inlet Connection, End Outlet .. 32AT/USS 14 x 26 (per cell) Towers End Connection .. 33AT/USS 14 x 26 (per cell) Towers Side Connection .. 34AT/USS 42 x 26 (three cell) Towers Bottom Inlet Connection, Bottom Outlet .. 35AT/USS 56 x 26 (four cell) Towers Bottom Inlet Connection, Bottom Outlet.
