In open circuit systems the recirculating water returns to the tower after 1 one ton of refrigeration is equal to 12,000 btuhour. The enduradrive fan system offers an energy efficient direct drive motor for large cooling tower applications. View and download marley aquatower 490a user manual online. Which cooling tower is best for tropical climates the climate conditions can somehow affect the performance of cooling towers due mainly to the fact that they make use of the surrounding air as well as water supply to do their job. At these condi tions, the cooling tower rejects 15,000 btuih per nominal cooling tower ton. Operating and maintenance manual 900 eau member of cooling tower institute ccgo o the coahng tower institute committed to saving energy. The water basin is an integrated part of the cooling tower casing, on this reason leakage is prevented for the examination of the spray nozzles and for maintenance on the adjustable float valve inspection hatches are provided. Cooling towers and the importance of maintenance plant. A maintenance schedule guarantees optimal performance keeping energy.
The owner of a cooling tower shall notify the department within 30 days after removing or permanently discontinuing use of a cooling tower. Coupling or drive shaft assembly connect motor to gear box assumes right angle configuration. Cooling tower registration and maintenance nyc health. The purpose of this procedure is to provide guidance for the preparation of the cooling tower for entry into all parts of the cooling tower including the upper deck, the fan cowling, the basin and main structure to perform work. Work in cooling towers can create health and safety hazards. It is important to establish a regular maintenance program and be sure that the program is followed.
In the case of the cooling tower company tctc cooling towers, this transfer of heat is accomplished by forceddraft fans blowing ambient air through the heat. The sections included in this template represent a survey of procedures currently used in the field and aim to capture the essential building blocks required for a. The historical derivation of this 15,000 btulh cooling tower ton, as compared to the 12,000 btuih evaporator ton, is based. A guide to troublefree cooling towers a basic understanding of cooling tower operation and maintenance will help keep a cooling water system running in top condition, year after year by david m. This bulletin should be used as a guide to establish a program. Featured product adiabatic coolers from paharpurspartium can reduce energy consumption by up to 40% or reduce water usage by up to 80%. Their cooling water was normally contaminated with airborne grit, accumulating in their large cooling tower, which required for constant maintenance and inspection once every shift. Fullstream cooling tower system reduces maintenance in cleveland, ohio the general electric plant produces tungsten wire and powder. The pt2 brings you the most advanced counterflow, induced draft cooling tower in the industry. Cooling tower eliminates routine maintenance with lakos separator. Dutchess community college cooling tower maintenance program and plan april 1, 2016 6 continuous routine treatment will be followed. With adiabatic coolers, there is no tradeoff in thermal performancethis is a fresh new alternative to our waterscarce, energy conscious industrial landscape.
For example, the less clean your tower is, the longer and harder it needs to work to achieve the same cooling goals. Apr 01, 2016 dutchess community college cooling tower maintenance program and plan april 1, 2016 3 general. The following cooling towers are present on dutchess community college campus. Follow these 10 simple maintenance tips to get the most out of cooling towers. For example, a cooling tower sized to cool 4540 m 3hr through a. Proper positioning of the cooling tower, as well as a regular maintenance program are essential to minimize the potential for growth of legionella bacteria in the cooling tower. Aggreko has its cooling towers produced by partner companies in china and the united states. Cooling tower maintenance program and plan template. Sample specification for procurement of operation and. Today we are going to talk about how you can choose the right cooling tower system for areas with tropical climates. Sop for maintenance and cleaning of cooling towers. Welcome to tower tech, home of the worlds most efficient cooling tower. Hotel engineering department checklist free download. Keeping your cooling tower in good shape requires more than just the annual inspection before startup.
Different environmental conditions may dictate more frequent servicing. Building owners and property managers must follow the cooling tower maintenance and testing regulations chapter 8 of the rules of the city of new york pdf, in compliance with local law 77 of 2015 pdf. Marley md counterflow stainless steel cooling tower. Operating and maintenance manual a protec cooling tower is manufactured for optimum performance and the least maintenance possible in mind protec cooling towers are anticorrosive and offer longlife, yet. Other factors, which we will see, must be stated along with flow rate m3hr. Suptic air conditioning and refrigeration systems ranging from light commercial to industrial applications may rely on cooling towers to remove waste heat. Finally, outside air is drawn across the cooling tower, removing the heat from the water through the process of evaporation. Tower maintenance service cooling tower specialists. Cooling tower operation and maintenance for improved. Sample specification for procurement of operation and maintenance services for fresh water cooling towers it is the basic responsibility of owners of fresh water cooling towers to properly operate and maintain their cooling towers and, for this purpose, they should arrange regular inspections, timely. Startup and preventative maintenance services to maximize the operating life of your evaporative cooling system, your local bac representative can provide startup and preventive maintenance services which will reduce the potential for unplanned downtime due to equipment failure and keep it operating at peak efficiency. Mechanical equipment in mechanical draft cooling towers.
This document is designed as a guide to the development of a maintenance program and plan for a cooling tower. Safety, comfort, functionality, efficiency, and aesthetics are the guiding principles. An opencircuit cooling tower, commonly called a cooling tower, is a specialized heat exchanger in which two fluids air and water are. You could see the location of the cooling tower parts and how they are connected. Sop engineering checklist cooling tower fan maintenance. A basic understanding of cooling tower operation and maintenance will help keep a cooling water system running in top condition, year after year by david m. Model cooling tower maintenance program and plan name of. Cooling tower operation and maintenance for improved energy efficiency. The cooling tower casing and the water basin are made of strong corrosionproof fibreglass reinforced polyester resin.
Evapco supports its worldwide customers with manufacturing facilities and sales offices. Eliminating routine maintenance and the plugging of the grinders water jackets, the machines have been able to run at peak efficiency. Cooling tower systems include all components that provide comfort cooling by rejecting. Cooling tower india, cooling tower manufacturers, industrial. Marley nc series air conditioner pdf manual download. Pt2 cooling tower baltimore aircoil company free bim. This system is designed to replace conventional mechanical gear speed reduction designs and provides additional energy savings with the lowest maintenance, and highest reliability. Evapco is dedicated to designing and manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets around the globe. These simple preventive cooling tower maintenance tips can help users save up to 15 percent on electricity costs. Understanding key components of cooling towers and. Suptic air conditioning and refrigeration systems ranging from light commercial to industrial applications may rely on cooling towers to remove waste.
Maintaining your cooling towers will save you money in operations and energy usage. At national wire products corporation in baltimore, maryland it was a big job to keep their ejectortype cooling tower in operation. Series 3000 cooling tower baltimore aircoil company bimobject. Recommended service intervals are the minimum for typical installations. The goal of this maintenance plan is to maintain campuses within the region that effectively represent the quality of the programs housed in its buildings. However, a wellmaintained cooling tower will continue to function at the original optimum efficiency, keeping energy costs low. Operating and maintenance manual a protec cooling tower is manufactured for optimum performance and the least maintenance possible in mind protec cooling towers are anticorrosive and offer longlife, yet it is very important that a regular maintenance schedule is followed.
We have an experienced workforce to ensure our customers satisfaction. Dutchess community college cooling tower maintenance program and plan april 1, 2016 1 campus identification. The following are the cooling tower parts details including the cooling tower parts name and their functions. Turfing vendors, in turn, may hire other contractors to perform work. For more details on the use of variable frequency drives, please download copies of evapcos engineering. Cooling technology institute wtb148 08 routine treatment continuous always preferred o continuous free residuals of 0.
A costsaving opportunity those who have a working knowledge of cooling tower preventative maintenance and upgrade technology will. Oct 15, 2015 this content has been revised as per the new nyc cooling tower legislation. Download free mep calculation excel sheets, autocad drawings, and training courses for hvac, firefighting, plumbing. Download cooling tower pumping and piping guide pdf hvac chilled water systems cooling towers pump and piping installation guide. Were there when somebody needs to perform maintenance or repairs on a cooling tower, whether its in an oil refinery, a steel mill, a power plant, a hospital or a university, says billy childers, national manager at aggreko usa. Cooling towers can be split into two distinct categories. Cooling tower evaporative cooling system measurement. This type of maintenance is important for keeping your cooling towers in peak operating condition. Stick to a regular maintenance schedule to reduce the risk of legionella and prevent premature failure, recommends dan glover, technical services group manager for southland industries, a national mechanical engineering, construction, and service firm. Maintenance checklist cooling towers, closed circuit. This manual is not intended to be all encompassing and thoroughly definitive.
Split air conditioning preventive maintenance checklists forms pdf. The water exits the cooling tower and is sent back to the exchangers or to other. Cooling towers must be cleaned on a regular basis to. The technical data has been taken from a mechanical draft cooling tower. Air intake louver is a part of the cooling tower that serves as a. Sep 27, 2018 download cooling tower pumping and piping guide pdf hvac chilled water systems cooling towers pump and piping installation guide. Routine maintenance also helps to conserve water and extend the operating life of cooling equipment. When a regular, comprehensive cooling tower maintenance program is implemented cost benefits can be achieved by the owner. Hvac preventive maintenance schedules and checklists pdf. Jun 22, 2015 these simple preventive cooling tower maintenance tips can help users save up to 15 percent on electricity costs. Electric motor single speed, two speed, variable speed. Evaporative cooling equipment is often remotely located and periodic maintenance checks are often overlooked.
Apr 23, 2018 hvac preventive maintenance schedules and checklists pdf 4232018 05. The figure below provides a conceptual view of chilled water airconditioning system with watercooled condenser. Engineered with input from end users, the pt2s design highlights bacs commitment to ease of maintenance, low installation costs, reduced energy consumption and durable construction. We export industrial cooling towers that are less spaceconsuming by providing effective cooling. All have been registered by the dutchess community college physical plant hvac supervisor with the nys department of health. Abstract this paper presents detailed methodology of a induced draft cooling tower of counter flow type in which its efficiency, effectiveness, characteristics are calculated. The cooling tower should be located away from fresh air intakes, operable windows, kitchen exhaust, and prevailing winds directed toward public areas.
Tower tech 5400 nw 5th st oklahoma city ok, 73127, united states. Marley nc8411, marley nc8409, marley nc8403, marley nc8401, marley nc8414, marley nc8407, marley nc8402. Sep 26, 2016 this type of maintenance is important for keeping your cooling towers in peak operating condition. Cooling tower operation and maintenance for improved energy efficiency 2009 cti sponsored educational program seismic design requirements for cooling towers 2012 cti educational session ahr expo ac wc systems 2012 cti educational session ahr expo energy water nexus 20 cti educational session ahr expo ac wc systems. Download free mep calculation excel sheets, autocad drawings, and training courses for hvac, firefighting, plumbing and electrical systems design. Stick to a regular maintenance schedule to reduce the risk of legionella and prevent premature failure, recommends dan glover, technical services group manager for southland industries, a national mechanical engineering, construction, and. Pt2 cooling tower baltimore aircoil company bimobject. Classik cooling towers is one of the leading manufacturers of energyefficient cooling tower in coimbatore, india. The sections included in this template represent a survey of procedures currently used in the field and aim to capture the essential building blocks required for a comprehensive program document. Range range is determined not by the cooling tower, but by the process it is serving. Such notice shall include a statement that such cooling tower has been disinfected and drained in accordance with the same procedures as set forth in the shutdown plan, as specified in the maintenance. This protocol does not cover other cost streams such as operation and maintenance or energy costs.
Cooling towers, evaporative condensers and closed circuit cooling towers. Cooling tower maintenance checklist for nyc following the legionnaires disease outbreak in new york city this past summer, there is a great deal of concern and uncertainty about whats required for proper cooling tower maintenance. When clients look for hvac and commercial solutions the primary focus is on cooling towers that will have low noise pollution, be energy efficient, have a preassembled system in place allowing easy assembly in congested places such as metropolitan areas and finally be able to fit into mechanical plant rooms with space restrictions. Cooling tower evaporative cooling system measurement and. This content has been revised as per the new nyc cooling tower legislation.
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