Marley NC8400 Field Install Manual - Dyna
Contents
1. NC8400 Note that towers must be aligned before attempting to install flume in place Sealing of the flume connections is critical to prevent leaks Apply a 1 2 13mm bead of sealer Z11 as indicated around and between all holes on both flume collars Install non joggled flume corners Q11 first Apply another bead of sealer around and between holes where joggle will overlap on flume Compete flume installation by installing joggled flume corners Q15 f weir gate option is purchased ends of flume corners must be flush to ensure a proper seal Apply a 1 2 13mm diameter bead of sealer around and between holes on flume collars Collection basin side Figure 1 AN SPX BRAND LT Weir Gate WEIR GATE FIND NO DESCRIPTION If the weir gate option is being used refer to the above 3 8 LOCK WASHER 8 6 NUT 3 8 SELF LOCKING NUT figure for installation details Slide weir gate Q16 and gasket Q19 removed from tower before flume installation over eight longer bolts Tighten all bolts beginning at the top compressing gasket against end of flume insert N Galvanized FIN IE a basin JL Stainless Pd P steel basin e M pj Figure 1 LT NC8400 Field Install Weir Gate PAGE 1 OF 1 NC8400 AN SPX BRAND Float Valve Float NC8400 FLOAT VALVE FLOAT Attach stem Q29 to float Q31 Install float and stem assembly into end of float valve lev2. TYPE F SEAL m 4 NC8400 Field Install 2 PAGE 4 OF 8 Getting Started NC8400 A FEW WORDS ABOUT FASTENERS Stainless Steel Fasteners Stainless steel fasteners are prone to galling This is when you notice a sudden increase in the force needed to turn a nut before parts are clamped Apply anti seize compound to the threads of the bolt before installing the nut If a nut does not easily spin on a bolt do not try to force it Chances are it will seize Some extra hardware is included to replace problem hardware This manual depicts flanged head fasteners On stainless steel towers these connection points will consist of a regular hex head bolt and two washers in place of the flange head bolt Tap Screw Repair During installation of tap screws in sheet metal parts tap screws may strip not allowing the screw to be fully tightened if this occurs place a 3 8 10mm nut on the back side of the tap screw and tighten Torque requirements The idealized standard fastener torque values for galvanized and stainless steel fasteners are shown in the table below These values may vary in actual practice Note that the values shown for stainless steel fasteners are based on the fasteners being lubricated with anti seize compound FASTENER TORQUE FASTENER TORQUE FOOT LBS NEWTON METERS ETE S m e EIER Values based on fasteners lubricated with anti seize compund Stainless steel only Loctite Critical structural
3. 25mm wide sealer be used unless otherwise noted Apply continuous pieces of strip sealer to the unassembled parts Do not splice pieces except where turning a corner Cut with a sharp instrument do not stretch or tear Gaps at joints and corners can be filled by stretching a piece of strip sealer to obtain the proper thickness Then work it into the joint to fill the gap and create an even surface After parts are set together use a drift pin or other pointed object to puncture sealer at each fastener hole where required FASTENER HOLE This symbol is used throughout the manual to aO indicate the locations where a single layer of strip sealer Z12 or Z13 is required Reference detail at the right N aM 4 TYPE D SEAL FASTENER HOLE WATER SIDE OF JOINT This symbol is used on collection basin joints to aO indicate the locations where two layers of strip sealer a are required Align bottom edge of strip sealer Z13 XO with top edge of bolt holes Align top edge of strip sealer Z12 with bottom edge of bolt holes Reference detail at the right TYPE E SEAL FASTENER HOLE This symbol is used on distribution basin joints to XO indicate the locations where two layers of strip sealer are required Align bottom edge of first strip sealer 213 with top edge of bolt holes Align top edge of second strip sealer Z13 with bottom edge of bolt holes Reference detail at the right
4. AO Description nai ill A65432N Drawir EBEN poo 93 2345 SS 16GAX28 5X140 2 Stainless Steel Find Number This is a three digit aloha numeric number that ties everything together Used throughout this manual in the text it s the number in bol type M35 in the figures it s the number within the circle It is also the first column in the BILL OF MATERIAL In the bill of material all tower hardware components are listed in numerical order by this number Item Number This number is used by SPX to manufacture and inventory the components of your cooling tower Give this number to your SPX sales representative if an item is missing or a replacement item is required Drawing Number Reference only This is the number of the drawing used to fabricate this item Description Reference Only All steel parts begin with SHEET or ASSEMBLY followed by the size of the sheet used to fabricate the item or a description of the assembly Your tower may have a few fiberglass items which begin GRP Stainless Steel This indicates when an item has been made from stainless steel If the item is made from the standard galvanized material this will not be printed on the tag Bills of material BOM are separate from drawings and this manual At the top of each bill there is a Drawing Number and the drawing description which indicates if the items on that bill will be installed per this assembly manual or pe
5. Single Bottom Inlet Option require the installation of a rubber boot coupling between the piping of the top and bottom tower modules gt p MODULE BOTTOM MODULE LOOSEN STRAPS ON SLIDE BOOT OVER MODULE PIPING TIGHTEN STRAPS Figure 4 SINGLE BOTTOM INLET NC8411 thru NC8414 Only Marley NC8400 Field Install SIO PAGE 3 OF 3 E AN SPX BRAND Overflow amp Drain OVERFLOW amp DRAIN All towers must have an overflow and drain either as the standpipe in the collection basin floor or at the optional coverplate location The standpipe overflow and drain is installed per Figure 1 Bolt coupling assembly Q47 to bottom of the collection basin floor at the 6 152mm diameter hole and bolt pattern Install standpipe Q48 The standpipe is PVC unless and optional heater element is close by then a steel standpipe will be installed with teflon tape supplied by others to protect the threads If the optional coverplate drain and overflow is being used the cutout in the depressed section for the standpipe has been covered with a drain polate that must have plug Q18 installed per Figure 2 If coverplate drain is not being plumbed install pipe plug Q18 per Figure 3 Take care not to cross thread the PVC standpipe when threading into the Collection basin steel coupling assembly depressed we Figure 1 putt Standpipe overflow amp drain Figure 3 Coverplate drain plug NC84
6. after motor is in place Fan blades are pitched to contract requirements in the plant Fan blade tip clearance tip track and fan tilt must be adjusted in the field as indicated in Figure 4 Tower must be plumb and cylinder centered around fan to provide proper tip clearance Use longest blade and check all around cylinder for tip clearance Be certain each blade is in its furtherst out position All blades when rotated past the same location on the cylinder must be same distance from fan deck within A TN Any single blade must be same distance from fan deck to fan blade around perimeter of cylinder within a range of one inch 25mm Bj a GS N Fan blade X Fan cylinder bj lind Track Check If not within tolerance Fan Tilt Check recheck blade blade Adjust by shimming attachment and fan Geareducer while pitch maintaining alignment with motor To attach Fan to Geareducer Fan blade pitch angle 1 4 Blade Clearance Check Adjust by repositioning Geareducer within cylinder or by adjusting fan cylinder Figure 4 NC8400 Field Install Field Installed Motor PAGE 2 OF 3 Fan blade NC8400 TowerModel A NC8401 8102 8103 NC8405 1 2 13mm NC8407 NC8409 1 2 18mm NC8411 1 2 13mm NC8412 1 2 13mm NC8413 1 2 13mm NC8414 1 2 13mm Clean geareducer shaft and apply anti seize compound After fan is installed clean
7. leak Do not apply either sealer if temperature is below 40 Fahrenheit 5 Celcius All flanges are to be straight Rework kinks or bends that exist Clean surfaces being sealed with acetone If cloth is used it must always be clean and dry Excercise caution in using solvents always read labels and instructions Care should be taken not to wipe dirt or oil onto the cleaned surface from adjacent uncleaned area Mating surfaces to be sealed must be kept clean and dry prior to assembly No water grease or dirt should contaminate cleaned area Note that stainless steel requires a larger area to be cleaned because oil will recontaminate surfaces quickly Oil will migrate through punched holes and around sheared edges Application instructions for Sealer Z11 Type A B amp C seals Sealer Z11 comes in a 1 12th gallon 315ml cartridge and is applied using a standard caulking gun Apply sealer to the unassembled parts The typical joint sealing details shown on this page and the following page are referenced throughout this manual Care should be taken to fill voids and gaps at joints After parts have been assembled trowel excess sealant over joint taking care to force sealant back into joint and not out of joint Do not use solvent to aid in applying sealer as solvent adversely affects bonding of sealant to metal Care should be taken to avoid leaving holes or air bubbles in sealant Do not subject sealed joints to waterloading for 48 hours at
8. must meet requirements of latest National Electric Code and local codes Heater package components consist of an enclosure magnetic contactor circuit board transformer heater elements and control probe One heater package can control the heaters for a maximum of a two cell multi cell tower Multi cell towers with more than two cells must have a heater package for every two cells or for every cell Inside of collection basin depressed floor or side Figure 1 If the heater is unavailable and it is P51 necessary to run the tower temporary cover plates P51 are provided for installation per Figure 1 Heater Element Heater Element s See Figure 3A S Control Probe See Figure 3B See Figure 4A Control Probe See Figure 4A Conduit Conduit By oes N By others N To Control See Figure 4B Plan View To Control Box Plan View Heater thru collection See Figure 4B Heater thru collection basin side basin depressed floor Figure 2 i 4 C AN SPX BRAND NC8400 Field Install Heater PAGE 1 OF 3 Heater NC8400 FIND NO DESCRIPTION A oo If heater is located over an equalizer install the equalizer If Req d before installing the heater Bolt heads of the equalizer fasteners m must be on the inside of the basin Scru Tite Fitting Not used on stainless m steel col
9. 00 Field Install Overflow amp Drain PAGE 1 OF 1 NC8400 FIND NO DESCRIPTION BOLT HF 8MM X 25MM SEALING WASHER M8 NUT HF M8 Stainless fasteners are provided with stainless basins Figure 2 Floor drain plug AN SPX BRAND LT Sump NC8400 SUMP Sump installation is per above figures Sump may be rotated 90 or FIND NO DESCRIPTION BOLT HF 10MM X25MM 180 provided outlet piping will clear supporting s teel Lay strips of gasket Y10 around sump opening in depressed section floor Set 3 8 OVERSIZE WASHER sump Q04 in place and use as a template to drill 7 16 11mm dia holes thru gasket Attach sump to floor and seal around perimeter On fiberglass sumps install plastic tank adapter Q06 and pipe cap Stainless fasteners Q07 in the bottom of the sump as a drain on steel sumps pipe plug are provided with Q07 is installed in the coupling in the front of the sump stainless basins Collection basin depressed section Fiberglass sumps only Fiberglass sump only AJ After sump is installed under oversize apply a bead of sealer washer around perimeter of sump force into seam and spread out evenly Apply a bead where strips butt Install two layers thick with corners overlapped Do not leave gaps where strips butt Sump may be used as a template to drill 7 16 11mm diameter holes in gasket strips Drain plug steel sump only LT AN SPX BRAN
10. D NC8400 Field Install Sump PAGE 1 OF2 Sum NC8400 See below figure for the typical attachment of customer piping using gasket Q14 A sump plate is used on the inside of foberglass sumps only After piping has been installed set pump screen if required in place over the sump opening On sumps with higher flows a screen assembly with anti vortex plate is used instead of the sump screen shown See Anti vortex plate installation detail The tower is not designed to support additional piping loads DO NOT SUPPORT PIPING FROM THE TOWER Sump Screen On sumps with high flows a screen assembly with anti vortex plate is used See Anti vortex plate installation detail A sump plate is shipped wired inside fiberglass sumps only Remove wire and install using outlet piping fasteners supplied by others For additional leak protection apply sealer under bolt head and washer Clean surfaces and apply a 3 8 10mm dia bead of sealer i i around and between all holes on Outlet Piping and Fasteners sump plate and outside of sump Supplied by others Fasteners must be stainless in stainless basins Piping supports design of piping and supports and restraint of lateral piping loads is the responsibility of others AN SPX BRAND LT NC8400 Field Install Sump PAGE 2 OF2 Bottom Outlet NC8400 BOTTOM OUTLET The typical attachment of customer piping for bottom outlet or equalizer connection usi
11. WARNING The location and orientation of the cooling tower can affect the safety of those responsible for installing servicing or reparing the cooling tower Since SPX does not dictate or determine where the tower is located or how iti is oriented SPX is not responsible for addressing the safety issues that are affected by the tower s location location and orientation The following safety issues should be considered by those responsible for designing and maintaining the tower installation Failure to consider and address these issues may result in substantial personal injury or death to those installing servicing or repairing the cooling tower Access to and from the fan deck Access to and from maintenance access doors Access for cleaning and other service Potential access problems due to obstructions surrounding the tower The possible need for safety cages around ladders These are only some of the safety issues that may arise in the design process SPX strongly recommends that you consult a safety engineer to be sure that all safety considerations have been addressed CONFIDENTIAL The contents of this document are confidential and constitute the exclusive property of SPX Cooling Technologies and is intended for use in the construction contractor and maintenance owner of this cooling tower This document and its contents may not be made public in any manner distributed or loaned to others or repoduced or copied either
12. and mechanical attachments require extra protection against the nuts vibrating loose during tower operation This is accomplished on galvanized fasteners by applying Loctite Z05 thread locking compound to the exposed threads of a bolt after the nut has been installed and tightened Bolts should be installed with the threaded end up or horizontally Reference details below On stainless steel fasteners the use of anti seize compound makes the use of loctite ineffective Therefore in these critical areas with stainless steel fasteners self locking nuts have been substituted for the standard nuts and loctite will not be used to indicate the locations where Loctite Z05 This symbol is used throughout the manual is required Reference details at the right Typical bolted attachment with threaded end of bolt up or installed horizontally LT NC8400 Field Install 2 PAGE 5 OF 8 AN SPX BRAND Getting Started NC8400 GENERAL DECAL INSTRUCTIONS Decals are an important part of the tower assembly Decals provide instructions identifications cautions and warnings deemed necessary for proper operation and safety Surface Preparation Surface must be clean and dry Oil and dirt may be removed with solvent such as acetone or commercial detergent Wash the area with warm water and dry with a lint free cloth Ultimate adhesion will occur 24 28 hours after application should not be undertaken if temperature is below 35 degrees Fahrenheit or i
13. d as shown in Figure 4C Insert formed wire thru heater support P02 and slide over the end of the heater element Position support to keep the unsupported length of the heater element under 30 inces 76 2cm Clean area under support and glue to floor using sealer Z11 Insert thru heater support and slide over end of heater element Figure 4C Required on heaters over 10 kilowatts AN SPX BRAND 4 Marley P y NC8400 Field Install Heater PAGE 3 OF 3 External Vibratior Switch NC8400 EXTERNAL VIBRATION SWITCH FIND NO DESCRIPTION If your tower is equipped with an external Metrix Robertshaw Murphy or other vibration switch install bracket M98 to the fan deck on the motor side of the tower as shown The bracket may be rotated 180 from position shown on towers without the ladd er and handrail option Install switch M99 as shown If a rainshield is required it is NUT 1 4 provided for installation between the beam and the switch using the NUT HF M10 switch mounting hardware a Marley NC8400 Field Install External Vibration Switch PAGE 1 OF 1 EE Motor Outside Aii streai NC8407 NC8414 Figure 1 NC8401 thru NC8414 MOTOR OUTSIDE AIRSTREAM MOA On towers with MOA option the motor must be installed in the field on a special support outside the tower and a driveshaft is used as the drive line between motor and Geareducer For models NC8401 thru NC8403 refer to Figure 1 Attach supp
14. en supplied with a single inlet option see installation details on the following pages Piping supports design of piping and supports and restraint of lateral piping loads is the responsibility of others FIND NO DESCRIPTION Stainless fasteners are provided with stainless basins or casing X LOOSEN STRAPS ON BOOT Figure 1 SLIDE BOOT OVER EXTERNAL PIPING SINGLE BOTTOM INLET TIGHTEN STRAPS EXTERNAL INLET PIPING BY OTHERS Figure 2 SINGLE SIDE INLET NC8400 Field Install SIO PAGE 1 OF 3 AN SPX BRAND LT Single Inlet Piping Opticn NC8400 Install pipe support Q74 on to the stud bolts protruding from the fan deck as shown below Prior to installation of Single FIND NO DESCRIPTION BOLT HF 12MM X 25MM Inlet fan deck piping Q63 or Q64 clean outside of pipe and inside rubber boot protruding from the fan deck Then apply a thin layer of sealer Z11 to inside of rubber boot Install the fan deck pipe into boot so that it butts with the interior pipe and align the flanged end with the hot water basin inlet along with gasket Q66 When installed the fan deck piping should be level in relation to the fan deck Finally attach pipe support strap Q81 to pipe support as shown Stud Bolts Figure 3 SINGLE INLET FAN DECK PIPING LT AN SPX BRAND NC8400 Field Install SIO PAGE 2 OF 3 Single Inlet Piping Opticn NC8400 Models NC8411 thru NC8414 with the
15. er arm as shown in Figure 1 See your NC Owners Manual for adjustment of float valve Float Valve Collection basin side Figure 1 NC8400 Field Install Float Valve Float PAGE 1 OF 1 AN SPX BRAND LT Standpipe Float Valve NC8400 STANDPIPE FLOAT VALVE FIND NO DESCRIPTION Figure 1 shows the standpipe float valve installation Start by VPO attaching standpipe assembly Q25 and gasket Q53 to the W37 collection basin floor Using pipe joint compound Z04 on all pipe X0 NULHFM8 connections connect 90 elbow Q26 pipe Q32 and float valve Q28 make sure valve opening is pointed down Install float Q31 and valve stem Q29 Coat exposed pipe threads with rust inhibiting paint See your NC Owners Manual for adjustment of float valve Figure 1 Marley NC8400 Field Install Standpipe Float Valve PAGE 1 OF 1 Heater NC8400 ELECTRIC BASIN HEATERS The collection basin modifications for the heater components for single cell towers are typically located on a cased face for a single heater element and thru the depressed section floor for multiple heater elements The collection basin modifications for the heater components for multi cell towers are typically located thru the collection basin depressed floor See Figure 1 Depending on heater package selected multiple holes for heater elements may be in basin The installation
16. ers Torque wrench 150 ft Ib 203 N m capacity Caulking guns Required for application of sealant Pipe Wrenches Small and large drift pins alignment tools These are extremely important to help line up all the holes You should have more than one Allen wrenches Protractor level For setting fand blade pitch Dial Indicator kit Marley Item No 115311M For drive shaft alignment Needed for motor outside airstream option only Scaffolding portable stairs or other means of temporary access and support Impact wrenches electric or pneumatic with standard and deep sockets used to tighten all hardware Acetone solvent About a gallon 4 liters and clean cotton rags Wear protective clothing gloves nonslip footwear hard hat and safety glasses Fluid Coolers are constructed of steel and could have burrs that can cause cuts The surface of the steel could be slick Protection from thrown or falling objects should be used at all times around a construction site Marley NC8400 Field Install 2 PAGE 2 OF 8 gt a Getting Started NC8400 JOINT SEALING INSTRUCTIONS Surface preparation instructions The following information covering surface preparation applies to all sealed joints whether sealer Z11 or strip sealer Z12 or Z13 is bein used Years of experience has shown the instructions on surface preparation and sealing details do result in watertight joints Inadequate attention to these details will result in joints that
17. exposed shaft and coat with rust inhibiting paint Bevel protractor Fan rotation lt Fan Blade Pitch Detail Cofimco Fans AN SPX BRAND LT Field Installed Mo or NC8400 FAN INSTALLATION FIND DESCRIPTION Step Two NC8401 thru NC8414 After all drive coupling and fan adjustments have been made refer to Figure 5 Tighten each motor and Geareducer nut 5 to 10 ft lbs 7 to 13 Nm less than specified torque while holding bolt head Retighten nuts to specified torque Bolt heads may be tightened while holding nut if nut is not accessible with torque wrench Now apply thread locking compound 205 to all bolt threads On towers with series 2000 2200 2400 or 3000 Geareducers using pilot holes in Geareducer feet drill two 23 64 9mm diameter holes through support and install drive pins Y55 FASTENER TORQUE MOTOR AND GEAREDUCER HOLD DOWN FASTENERS ONLY FASTENER TORQUE BOLT FOOT LBS NEWTON METERS DIAMETER GALVANIZED STAINLESS STEEL 135 140 183 199 220 230 298 312 After rechecking alignment drill thru support and drive pin to project an equal distance above Geareducer foot and below support e fan NC8400 Field Install Field Installed Motor PAGE 3 OF 3
18. f humidity is greater than 95 General Application Instructions Peel off backing paper taking care to avoid dirt contamination of the exposed adhesive Carefully apply decal to the desired location with light pressure to avoid distortion of the vinyl Once in position smooth out with a towel If air bubbles occur puncture with a pin and smooth down with a towel The finished decal should be completely flat NC8400 Field Install 2 PAGE 6 OF 8 Getting Started NC8400 NOTES NC8400 Field Install 2 PAGE 7 OF 8 Ne Getting Started NC8400 This page intentionally left blank Marley NC8400 Field Install 2 PAGE 8 OF 8 Module Connectic 1 Deiails NC8400 MODULE CONNECTION DETAILS FIND NO DESCRIPTION NC8411 thru NC8414 only Before top module is hoisted into place on bottom module clean any dirt and debris from the underside of the top module skid sides and beams Remove shipping guards from bottom of top module After top module is in place the modules may be connected near louver columns as shown in Figure 1 or inside tower on eliminator face per Figure 2 X ES S Top Module aeree BEFORE HOISTING Remove shipping guards from bottom of top module Clean any dirt and debris 7 from the underside of the top module skid amp beams before hoisting into place lt BEFORE HOISTING Make sure seal strips are in place along cased face girts and on eliminator sup
19. h an V02 BOLT 1 4 X1 anti vortex plate is used as shown in the figure below Anti vortex VP3 BOLT HF 10MM X 25MM plate is pre assembled with screens and retainers Position wo1 i LOCK WASHER anti vortex assembly in depressed area of collection basin w21 US LAT WASRER centered over outlet X01 NUT 1 4 X61 NUT HF M10 Screen Assembly with Anti vortex Plate Center over outlet Bottom outlet or sump cutout e NC8400 Field Install Anti Vortex Plate PAGE 1 OF 1 Flume FLUME If collection basins of multiple towers are to be connected together a flume is installed per Figure 1 Flume collars are shop installed in each tower along with temporary coverplates for shipment Remove coverplates before continuing Note that if a weir gate option a removable plate used to isolate adjacent towers has been purchased the weir gate is shop installed in one tower for shipment The weir gate will be reinstalled in either tower after installation of flume per Weir Gate installation instructions IMPORTANT Fiumes are not a walking surface Flumes that are 18 457mm long and longer have a caution decal which should be oriented on top Apply a 1 2 13mm diameter bead of sealer around and between holes where joggle will overlap FIND DESCRIPTION BOLT HF 10MM X 25MM 3 8 SEAL WASHER Fasteners are stainless steel NC8400 Field Install Flume PAGE 1 OF 1
20. in whole or part without prior written consent of SPX Cooling Technologies This page intentionally left blank Contents NC8400 GETTING STARTED ABOUT THIS MANUAL MEASUREMENT SYSTEM TOOLS AND SUPPLIES JOINT SEALING INSTRUCTIONS A FEW WORDS ABOUT FASTENERS GENERAL DECAL INSTRUCTIONS STANDARD FIELD DETAILS MODULE CONNECTION DETAILS NC8411 THRU NC 8414 ONLY FAN GUARD VELOCITY RECOVERY STACK BASIC INLET PIPING INLET PIPING WITH OPTIONAL HC VALVES SINGLE INLET PIPING OPTION OVERFLOW amp DRAIN FIELD INSTALLED OPTIONS SUMP BOTTOM OUTLET BOTTOM OUTLET SCREEN SCREEN WITH ANTI VORTEX PLATE FLUME WEIR GATE FLOAT VALVE FLOAT STANDPIPE FLOAT VALVE ELECTRIC BASIN HEATERS EXTERNAL VIBRATION SWITCH MOTOR OUTSIDE AIRSTREAM MOA FIELD INSTALLED MOTOR NC8400 Field Install 1 PAGE 3 OF 4 AN SPX BRAND This page intentionally left blank Getting Started NC8400 ABOUT THIS MANUAL To obtain maximum efficiency it is strongly recommended that this entire manual be read before starting assembly This assembly manual illustrates the field installation of standard and optional items that your tower may have Due to shipping limitations these items can not be installed in the factory Review all manuals drawings and bills of material prior to assembly Contact your SPX Cooling Technologies sales representative should questions arise All steel parts are tagged for identification as shown below F M 3 5 C
21. ive pin to project an equal distance above Geareducer foot and below support e fan NC8400 Field Install MOA PAGE 5 OF 5 Field Installed Mo or FIELD INSTALLED MOTOR For field installation of motor inside the tower refer to Figure 1 Attach motor to motor supports and install drive coupling M28 Refer to Close Coupling Service Manual for installation instructions Use shims Y56 as required to align drive coupling After installing drive coupling coat motor and Geareducer shafts with paint CAUTION Excessive force when installing the drive coupling could damge Geareducer seal pm Fan See Service Manual for 2 installation instructions Cus SS As required Do not apply anti seize compound to tainless steel motor hold down bolts octite will be applied to these attachments later NC8400 FIND NO DESCRIPTION BOLT HF 12MM X40MM BOLT HF 20MM X45MM NUT HF M12 NUT HF M20 NC8401 thru NC8414 MOTOR ATTACHMENT HARDW ARE MOTOR FRAME L_FIND NUMBERS A DESCRIPTION 184T THRU 215T BOLT HF 10MM X 40MM NUT HF M10 254T THRU 365T BOLT HF 16MM X 65MM NUT HF M16 404T THRU 447T BOLT HF 20MM X 90MM NUT HF M20 449T BOLT HF 20MM X 65MM NUT HF M20 NC8400 Field Install Field Installed Motor PAGE 1 OF 3 AN SPX BRAND LT Field Installed Mo or FAN INSTALLATION Step One NC8401 thru NC8414 On towers with field install motor final fan adjustments must be made
22. lection basin See Figure Collection basin side If Req d If Req d Heater Element e ZUM f Y f lt si If Req d x60 If Req d If Req d Scru Tite Fitting Not used on stainless steel collection basin See Figure 3C If Req d If Req d If Req d Depressed L Heater Element SS oi al section side Figure 3B If Req d x60 Heater thru collection basin depressed section Qo 3 x 3 7 62cm x 7 62cm Plates install on inside of basin Ne Sy NS PD Coupling ES Gasket coat lightly with mineral oil 3 1 2 x 3 1 2 8 89 x 8 89 Plate AX 2 install on inside of basin Heater Element Collection basin floor Figure 3C Required on towers with stainless steel collection basin AN SPX BRAND NC8400 Field Install Heater PAGE 2 OF 3 LT Heater NC8400 The heater element s are installed in the 2 7 16 6 19cm diameter hole s in the collection basin On galvanized basins install scru tite fitting as shown in Figures and On stainless steel basins install gasket plates and coupling as indicated in Figure 3C Use pipe joint compound on threads for a watertight connection and screw heater element into fitting or coupling Plugs are provided in conduit openings of heater element Install single conduit to opening with temporary plastic plug Do not remo
23. ll 2 3 16 5mm dia holes in Manual Use shims Y56 as required to align guard and attach to clips driveshaft AN SPX BRAND NC8400 Field Install MOA PAGE OF 5 LT Motor Outside Aii streai i NC8400 FAN INSTALLATION Tower Model A Step One NC8401 thru NC8414 VE 5mm On towers with field install motor final fan adjustments must be made NCB8402 1 2 13mm after motor is in place Fan blades are pitched to contract requirements in NC8403 172 18 the plant Fan blade tip clearance tip track and fan tilt must be adjusted NC8405 175 18 dept in the field as indicated Figure 4 Tower must be plumb and cylinder NC8407 1 2 13mm centered around fan to provide proper tip clearance Use longest blade NCB408 1 2 13mm and check all around cylinder for tip clearance Be certain each blade is in its furtherst out position NC8411 1 2 13mm NC8412 1 2 13mm NC8413 1 2 13mm NC8414 1 2 13mm All blades when rotated past the same location on the cylinder must be same distance from fan deck within A TN Any single blade must be same distance from fan deck to fan blade around perimeter of cylinder within a range of one inch 25mm Bj A gt Fan blade N Fan blade X Fan cylinder by lind Tip Track Check If not within tolerance Fan Tilt Check recheck blade blade Adjust by shimming attachment and fan Geareducer while pi
24. ng gasket Q14 is shown in Figure 1 The tower is not designed to support additional piping loads DO NOT SUPPORT PIPING FROM THE TOWER Collection basin depressed area floor B x Clean surfaces and apply a 3 8 10mm E Outlet piping and fasteners dia bead of sealer ca Supplied by others Fasteners S around and between 67 to be the stainless in stainless all holes under basin N basins where gasket attaches For additional leak protection apply sealer under bolt head and washer Piping supports design Fi gure 1 of piping and supports and restraint of lateral piping loads is the reponsibility of others AN SPX BRAND NC8400 Field Install Bottom Outlet PAGE 1 OF 1 LT Bottom Outlet Sci een NC8400 BOTTOM OUTLET SCREEN When a screen is needed with the bottom outlet it is installed as shown in Figure 1 On bottom outlets with higher flows a screen assembly with anti vortex plate is used Se Screen with Anti Vortex Plate installation detail Bottom Outlet Screen For bottom outlets with high flows a screen assembly with anti vortex plate is used See Screen with Anit Vortex Plate installation detail Collection basin depressed section AN SPX BRAND LT NC8400 Field Install Bottom Outlet Screen PAGE 1 OF 1 Anti Vortex Plate NC8400 ANTI VORTEX PLATE DESCRIPTION On towers with higher outlet flows a screen assembly wit
25. nstall Basic Inlet Piping PAGE 1 OF 1 HC Valves NC8400 INLET PIPING WITH OPTIONAL HC VALVES If HC valves N40 are to be installed attach as shown A full face Inlet piping gasket N45 is used between valve and distribution basin and a ring supplied by others gasket N39 is used between valve and inlet piping Valve may be rotated 90 or 180 if desired 6 amp 8 dia valves Or 6 amp 8 dia valves 10 da Gaa or valve 10 Half of these bolts are valve Ring gasket threaded into tapped without bolt circle holes in valve body the other half require nuts Piping supports design of piping and supports and restraint of lateral piping loads is the reponsibility of others Center section of intet flume may be removed if access for attaching valve Full face gasket is required Reinstall flume qp o with bolt circle Ju after valve is secure lil lt gt gt Stainless fasteners Gs P A yt are provided with M C em gt stainless basins V42 V46 W20 W30 W35 W36 X04 6 amp 8 dia valves or 10 dia ad ECC valve 6 amp 8 dia Or valves 10 dia valve 6 amp 8 dia valves 3 4 SEALING WASHER 7 8 SEALING WASHER 3 4 NUT X06 7 8 NUT 10 dia valve NC8400 Field Install HC Valves PAGE 1 OF 1 C e e Single Inlet Piping Optivn NC8400 SINGLE INLET PIPING OPTION If the tower has be
26. ort clips M35 to support rails M29 or M36 Insert end gusset M34 into each rail and attach with hardware as shown Install bottom plate M45 to the bottom of the support rails Attach support assembly to the outside of tower as shown NC8400 Field Install MOA PAGE 1 OF 5 NC8400 FIND NO DESCRIPTION BOLT HF 12MM X 40MM BOLT HF 20MM X 45MM NUT HF M12 NUT HF M20 Motor Outside Aii streai i NC8400 9 Figure 2 Install motor supports M25 and or M26 as shown above FIND NO DESCRIPTION BOLT HF 12MM X 40MM NUT M12 NC8400 Field Install MOA PAGE 2 OF 5 Ne Motor Outside Aii streai i NC8400 FIND NO DESCRIPTION 1 4 x 3 4 TAP SCREW CAUTION Excessive force when installing the driveshaft could damage Geareducer seals See Service CAUTION Before Manual for installation installing motor on instructions towers with 3000 Geareducers install support brackets per Figure XX Fan As required As required Figure 3 MOTOR ATTACHMENT HARDW ARE MOTOR FRAME END NUMBERS DESCRIPTION B Attach motor to motor supports Coat motor shaft After installing driveshaft coat motor and Geareducer shaft and bores of driveshaft yokes with Geareducer shafts with paint Slide guard thru hole lubricant Z21 Slide driveshaft guard M30 around in casing against motor and use guard clips as driveshaft M28 and install per Driveshaft Service templates to dri
27. port beams of bottom module A 2 51mm gap Will exist in seal strip adjacent to fill If problems exist contact SPX representative Clean any dirt and debris d from the underside of the top module skid amp beams before hoisting into place BEFORE HOISTING Make sure seal strips are in place along cased face girts and on eliminator support beams of bottom module If problems exist contact SPX representative Figure 2 Wn Marley NC8400 Field Install Module Connection PAGE 1 OF 1 e E Fan Guard NC8400 T T a M NSS pp M HIT TE 7 i y 7 2 NI 0 4 X 2 2 21 i Mj 7 Wee D n 4 TD 2 N N SAN Z 2 GZ 02 Nfe KO Ti uv N YG Mj Mj 110 EL 3 YI DETAIL A DETAIL B FAN GUARD FIND NO DESCRIPTION A single piece fan guard is provided on models NC8401 thru NC8403 Models NC 8405 thru NC8414 use a two piece fan guard and require guard splice hardware On models with a single piece fan guard position guard D34 over cylinder and raise center to align holes in fan cylinder On models with a two piece fan guard guard D32 is installed first and a splice clip N97 is used to retain guard D34 8400 Field Ins
28. r a special installation drawing The find number item number description and quantity of items are all cross referenced on the bill of the material If a number is missing or hard to read check the illustrations in this assembly manual first and then the bill of material to see if you can find it As the tower is prepared for assembly the quantities of each item should be checked against the bill of material NEED HELP If anything is missing damaged or you need help of any kind contact your SPX Cooling Technologies Representative as soon as possible If you need help determining the representative in your area please call us at 1 800 4MARLEY or check the internet at www spxcooling com a Marley NC8400 Field Install 2 PAGE 1 OF 8 AN SPX BRAND Getting Started NC8400 MEASUREMENT SYSTEM The manual uses both the English System and Metric System of measurement All units are in millimeters Fasteners are denoted in both the English and metric systems Fasteners are supplied in conformance with the metric system standard unless otherwise noted in the tower bills of material TOOLS AND SUPPLIES Hoist 2500 1140kg pound capacity For hoisting of motor on towers with field installed motors or MOA 1 2 electric drill and bit set Socket wrench set Tower mainly uses 13mm 19mm amp 30mm sockets Have more than one if possible Combination wrenches Mainly 13mm up to 30mm Adjustable wrenches are OK but not recommended Screwdriv
29. tall Fan Guard PAGE1O0F1 Q NC8400 Velocity Recovery Stacn Pre installed at factory Pre installed at factory Pre installed at factory Fan deck VELOCITY RECOVERY STACK On models with a velocity recovery stack install VES fiberglass cylinder segments D31 per Figure 1 on top of WASHER FLAT M8 lower cylinder that extends down from deck Segments NUT HF M8 are to straddle tower centerline Installation hardware NUT HF M10 for the cylinder segments has been pre installed at the factory and must be removed prior to cylinder installation Fan guard is not required on these models AN SPX BRAND NC8400 Field Install VR Stacks PAGE 1 OF 1 Basic Inlet Piping NC8400 BASIC INLET PIPING If tower is not using the optional HC valves inlet piping is attached directly to the distribution basin see Figure 1 Note that inlet piping and fasteners are supplied by others Inlet piping and fasteners Supplied by others Fasteners to be the same material as the distribution basin Distribution basin Center section of inlet flume may be removed if access Ec C Pipi od diode J iping supports design for attaching inlet piping is Ne required Reinstall flume d P ae after inlet piping is secure 7 and restraint of lateral piping loads is the reponsibility of others Figure 1 AN SPX BRAND LT NC8400 Field I
30. tch maintaining alignment with motor To attach Fan to Geareducer Clean geareducer shaft and apply anti seize compound After fan is installed clean exposed shaft and coat with rust inhibiting paint Bevel protractor Fan blade pitch angle Fan rotation 14 Blade Tip Clearance Check Fan Blade Pitch Detail Adjust by repositioning Geareducer Cofimco Fans within cylinder or by adjusting fan cylinder Figure 4 AN SPX BRAND NC8400 Field Install PAGE 4 OF 5 LT Motor Outside Aii streai i NC8400 FAN INSTALLATION FIND ____ DESCRIPTION Step Two NC8401 thru NC8414 After all drive coupling and fan adjustments have been made refer to Figure 5 Tighten each motor and Geareducer nut 5 to 10 ft lbs 7 to 13 Nm less than specified torque while holding bolt head Retighten nuts to specified torque Bolt heads may be tightened while holding nut if nut is not accessible with torque wrench Now apply thread locking compound 205 to all bolt threads On towers with series 2000 2200 2400 or 3000 Geareducers using pilot holes in Geareducer feet drill two 23 64 9mm diameter holes through support and install drive pins Y55 FASTENER TORQUE MOTOR AND GEAREDUCER HOLD DOWN FASTENERS ONLY FASTENER TORQUE BOLT FOOT LBS NEWTON METERS DIAMETER GALVANIZED STAINLESS STEEL 135 140 183 199 220 230 298 312 After rechecking alignment drill thru support and dr
31. temperatures of 70 Fahrenheit 21 Celci us and above Lower temperature will require a longer cure time WATER SIDE OF JOINT This symbol is used throughout the manual to indicate the locations where sealer Z11 is required The A refers to a Type A Seal which is a 3 8 10mm diameter bead of sealer Z11 laid along the centerline of a row of holes curving over each hole as it passes Reference detail at TUBE SEALER the right 3 8 10mm BEAD TYPE A SEAL 7 This symbol is used throughout the manual to indicate the locations where sealer Z11 is required The B refers to a Type B Seal which is a 3 8 10mm diameter bead of sealer Z11 laid along the centerline of a row of holes curving completely around each hole as it passes au SEALER Reference detail at the right 3 8 10mm BEAD TYPE B SEAL FASTENER This symbol is used throughout the manual to indicate the HOLE locations where sealer Z11 is required The C refers to a Type C Seal which is a 3 8 10mm diameter bead of sealer Z11 laid completely around each hole in a row of holes Reference detail at the right N TUBE SEALER 3 8 10mm BEAD TYPE C SEAL umi a Marley NC8400 Field Install 2 PAGE 3 OF 8 AN SPX BRAND Getting Started NC8400 Application instructions for Strip Sealer Z12 amp Z13 Type D E amp F seals Strip sealer is supplied in 1 2 12mm Z13 and 1 25mm Z12 widths It is intended that the 1
32. ve pipe plug unless conduit is installed If heater is within ten inches of a grp sump a heat shield has been provided Clean area and apply a 3 8 diameter bead of sealer Z11 around holes Attach shield P04 to floor as shown in Figures 3A and 3B If heater is located over an equalizer install the equalizer before installing the heater Bolt heads of Figure AA the equalizer fasteners must be on the inside of the basin Collection basin floor Bulkhead fitting with gasket EOS Collection basin side Control probe cord To control box E Install the control probe in the bulkhead fitting as E E shown in Figure 4A Use pipe joint compounds on AON threads for a water tight connection The bulkhead q fittings is then installed in the 1 1 8 2 86cm diameter hole in the collection basin A P a The basin heater control Figure 4B is to be located 0 f and installed by the customer outside the cooling Al tower Control probe cord length of 12 0 3 66m limits control box location Position to keep unsupported length of heater element under 30 i L Control box 76 2cm Clean area under support x e lt Location is limited by the and glue to floor with sealer Z11 length of the control AN probe cord May be mounted on cooling tower casing if desired Control probe cord To control probe Figure 4B If the heater element is over 10 kilowatts a heater support is require
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