Marley Clearsky F400 Скачать руководство пользователя

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inspection checklist

Actuators – Dry Dampers
Manufacturer

Model

Ratio

Motor

Manufacturer

Name Plate Data:

RPM

Phase

Cycle

Volts

F.L. Amps

Frame

S.F.

Special Info.

Last

Lubrication—Date

Grease

Used—Type

Any Unusual Noise?

Yes

Action Required

Any Unusual Vibration?

Yes

Action Required

Any Unusual Heat Build-up?

Yes

Action Required

Actuators – Vent Doors
Manufacturer

Model

Ratio

Motor

Manufacturer

Name Plate Data:

RPM

Phase

Cycle

Volts

F.L. Amps

Frame

S.F.

Special Info.

Last

Lubrication—Date

Grease

Used—Type

Any Unusual Noise?

Yes

Action Required

Any Unusual Vibration?

Yes

Action Required

Any Unusual Heat Build-up?

Yes

Action Required

Содержание Clearsky F400

Страница 1: ...F400 Clearsky cooling tower OPERATION MAINTENANCE Z0414966_C ISSUED 8 2018 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual ...

Страница 2: ...aution Note Plume Characteristics__________________________________________________ 3 Before Startup________________________________________________________ 5 Starting Procedure_____________________________________________________ 6 Operation____________________________________________________________ 6 ClearSky Plume Abatement System_______________________________________ 7 ClearSky Operation Log...

Страница 3: ...rature of the ambient atmospheric air The greater the difference between the temperature of the warm exhaust air and the cool ambient air the more visible the plume Visible plumes are typically much more dense and persistent in the wintertime than summer This is shown graphically in Figure 1 which relates the characteristics of the plume to the saturation curve of a psychrometric chart In winter o...

Страница 4: ...ough the ClearSky heat exchanger where a secondary airstream enters the dry side of the ClearSky heat exchanger cooling the plume airstream and condensing a portion of the moisture moving the airstream condition along the saturation line to condition 2 The dry airstream gains heat but no moisture content and leaves at condition 3 These two airstreams mix together along line 3 2 exiting the tower a...

Страница 5: ...ration The following is a list of components to be checked before starting the tower 1 Check driveshaft alignment Realign if necessary See the Drive Shaft User Manual 2 Check tightness of bolts in fan cylinder joints 3 Check tightness of the following bolted joints in the fan and drive assemblies a Fan hub clamp bolts See the Fan User Manual for correct torque setting b Fan hub cover bolts c Geare...

Страница 6: ...doors Actuate dry duct vent doors to make sure they open and close Starting Procedure WATER SYSTEM Fill the cold water collection basin and circulating water system until the operating water level is reached See Operation Prime and start the circulating water pumps Increase the flow of circulating water gradually to design water flow rate to avoid water hammer which could damage the distribution p...

Страница 7: ...ent Mode This system variation is achieved by manipulating motor operated control linkages to alter the air paths between heated saturated air or dry ambient air Mechanically actuated vent doors located in a horizontal plane just above the mist eliminators at the base of dry air ducts can be opened to permit passage of heated saturated air from the wet section of the cooling tower into dry path ai...

Страница 8: ...entally open until either the plume is acceptable or until maximum water temperatures are reached Reference ClearSky Operation Logic Diagram and Notes on pages 10 and 11 Partial section showing the ClearSky plume abatement components HOT WATER DISTRIBUTION SYSTEM Maintain uniform water distribution at the nozzles uniform spray cone The amount of water circulated should approximate the contract req...

Страница 9: ...ower will vary depending on velocity and direction of wind circulating water rate and heat load Excessive ice formation may be controlled by regulating air and water flow through the tower by one or more of the following procedures 1 Shut the fan down This reduces the cooling air rate to a minimum and increases the quantity of warm water at the air inlet to a maximum However normal fan off operati...

Страница 10: ...Are dry dampers open Wait several minutes Yes No No Yes Yes No Closing the vent doors will increase CW temp If CW temp is near CWMAX then closing the doors may cause the CW temp to exceed CWMAX Opening the dry dampers will increase the CW temp further CW may be determined by operating the tower with the vent doors open and determining the CW temp CWOPEN Then close the vent doors and measure the CW...

Страница 11: ...its may influence this value 6 CW is a nominal rise in cold water temperature due to closing vent doors from their open position Dry dampers are assumed closed before and after the vent doors are closed 7 Dry damper opening increments may need to be empirically determined as the actuator position is not linear with air flow 8 Maximum thermal performance mode means that no more damper or vent optio...

Страница 12: ...ance An access hatch in the fan deck with ladder to an intermediate platform provides means for inspection of the plenum area above the eliminators Removal of an access hatch at the plenum level allows access to the spray chamber for inspection and maintenance of the nozzles and top of fill Provide surface protection before walking on the fill DRIFT ELIMINATORS Eliminators should be kept clean Do ...

Страница 13: ...oling range the difference between the hot and cold water temperatures the composition of the make up water water added to the sys tem to compensate for losses by blowdown evaporation and drift and the amount of condensed water returned from the ClearSky heat exchanger modules The follow ing table shows an approximate amount of blowdown required to maintain different concentrations with various co...

Страница 14: ...wer or heat exchangers Their presence can interfere with cooling efficiencies Proprietary compounds are available from water treating companies for the control of slime and or algae however compounds which contain copper are not recommended Chlorine and chlorine containing compounds are effective algaecides and slimicides If used chlorine should be added as intermittent or shock treatment only as ...

Страница 15: ...usually develop into thick scales but can accentuate the development of other scales MAINTENANCE OF CLEARSKY PVC HEAT EXCHANGERS Fouling Dust may accumulate in the dry air ducts over time causing reduced heat transfer Do not use high pressure washing equipment on ClearSky PVC heat exchangers Low pressure washing from a municipal or similar water supply system using a hose with a spray nozzle on a ...

Страница 16: ... 3 months or less 1 Each month drain water condensate from the lowest point of the Geareducer and its oil system Check oil level and add oil if necessary Operate to coat all interior surfaces with oil 2 At start up drain water condensate and check oil level Add oil if necessary Refer to the Geareducer User Manual for maintenance and lubrication instructions Geareducer Downtime for 3 months or more...

Страница 17: ...ol ing tower prior to startup See Before Startup section of this manual Cooling towers must be cleaned and disinfected regularly in accordance with ASHRAE Standard 188 and Guideline 12 Workers performing decontamination procedures must wear personal protective equipment PPE as directed by their facility safety officer Cooling towers must be visually inspected regularly to assess signs of bacterial...

Страница 18: ...cket fits or bearing Rotor unbalance Rebalance Cooling fan hitting end bell guard Reinstall or replace fan Motor runs hot Wrong voltage or unbalanced voltage Check voltage and current of all three lines against nameplate values Overload Check fan blade pitch See Fan User Manual Check for drag in fan drivetrain as from damaged bearings Wrong motor RPM Check nameplate against power supply Check RPM ...

Страница 19: ...ise disappears after one week of operation Drain flush and refill Geareducer oil See Geareducer User Manual If still noisy replace Gears Correct tooth engagement Replace badly worn gears Replace gears with broken or damaged teeth Unusual fan drive vibration Loose bolts and cap screws Tighten all bolts and cap screws on all mechanical equipment and supports Unbalanced driveshaft or worn couplings M...

Страница 20: ...ition 1 Good 2 Keep an eye on it 3 Needs immediate attention 1 2 3 Comments Structure Casing Material Structural Material Fan Deck Material Stairway Material Ladder Material Handrails Material Interior Walkway Material Cold Water Basin Material Water System Distribution System Header Material Manifold Material Branch Arms Nozzles Orifice Diameter Heat Transfer System Fill Eliminators Inlet Face of...

Страница 21: ... Material Fans Manufacturer Fixed Pitch Adjustable Pitch Diameter Number of Blades Blade Material Hub Material Hub Cover Material Blade Assembly Hardware Tip Clearance min max Vibration Level Fan Cylinder Height Mech Eqpt Support Mat l Oil Fill and Drain Lines Oil Level Sight Glass Vibration Limit Switches Makeup Valves Other Components Motor Manufacturer Name Plate Data hp RPM Phase Hz Volts F L ...

Страница 22: ...on Required Any Unusual Vibration No q Yes q Action Required Any Unusual Heat Build up No q Yes q Action Required Actuators Vent Doors Manufacturer Model Ratio Motor Manufacturer Name Plate Data hp RPM Phase Cycle Volts F L Amps Frame S F Special Info Last Lubrication Date Grease Used Type Any Unusual Noise No q Yes q Action Required Any Unusual Vibration No q Yes q Action Required Any Unusual Hea...

Страница 23: ...lts S S S S 16 Clean R R R R R R S R R R R R R 17 Repaint R R R R 18 Rebalance R R 19 Inspect repair for safe use Y Y Y 20 Inspect and repair before each use R Fan and Fan Guard Motor Driveshafts and Guards Geareducer Eliminators Fill Cold Water Basin Hot Water Distribution System Float Valve Suction Screen Control Valves Structural Members Casing Fan Cylinder Stairs Ladders Walkways Doors Guardra...

Страница 24: ...D In the interest of technological progress all products are subject to design and or material change without notice F400 Clearsky cooling tower US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 STREET OVERLAND PARK KS 66213 USA 913 664 7400 spxcooling spx com spxcooling com ...

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