BAC CXVB, Rigging & Assembly Instructions

Page 1: ...RIGGING ASSEMBLY INSTRUCTIONS Crossflow Coil Products FXV FXV3 CXVB CXVT ...

Page 2: ...orehand If outstanding circumstances require a departure from the procedures outlined in this manual contact your local BAC Representative for guidance Be sure to have a copy of the certified drawings available for reference If you do not have a copy of these drawings or if you need additional information about this unit contact your local BAC Representative whose name and telephone number are on ...

Page 3: ...7 Section Assembly of Four Piece Cells 11 ENDURADRIVE Fan System Installation 3 Single Air Intake Unit Optional Accessories 12 Introduction 13 Motor Davit Assembly Installation 14 PCD Hood Assembly 15 Discharge Sound Attenuation Assembly FXV Only 16 Intake Sound Attenuation Assembly FXV Only 17 External Service Platform Installation 20 External Service Ladder Installation 21 Ladder Safety Cage Ins...

Page 4: ...d thoroughly to ensure all required items have been received and are free of any shipping damage prior to signing the bill of lading The following parts should be inspected Sheaves and Belts Bearings Bearing Supports Fan Motor s Fan Guard s Fan s and Fan Shaft s Float Valve Assembly s Water Distribution System Coil Surface Cold Water Basin Accessories Interior Surfaces Exterior Surfaces Louvers Co...

Page 5: ...on strategies Location All evaporative cooling equipment must be located to ensure an adequate supply of fresh air to the unit air intakes When units are located adjacent to walls or in enclosures care must be taken to ensure the warm saturated discharge air is not deflected and recirculated back to the air intakes Each unit should be located and positioned to prevent the introduction of discharge...

Page 6: ...VB Units Model Number Lower Section Upper Section FXV CXVB H W1 W2 H W1 W2 FXV 0806x x x CXVB x 0806 x 3 6 8 6 4 0 3 1 8 6 3 2 FXV 0809x x x CXVB x 0809 x 4 4 8 6 4 0 3 1 8 6 3 2 FXV 0812x x x CXVB x 0812 x 4 4 8 6 4 0 5 3 8 6 3 2 FXV 0818x x x CXVB x 0818 x 5 3 8 6 4 0 8 2 8 6 3 2 FXV 1212x x x CXVB x 1212 x 4 4 11 10 5 3 5 3 11 10 4 2 FXV 1218x x x CXVB x 1218 x 5 3 11 10 5 3 8 2 11 10 4 2 NOTE ...

Page 7: ...per section onto the lower section be sure to line up the bolt holes using drift pins as illustrated in Figure 4 no fewer than one hole at each edge Guide the upper section onto the lower section starting with a bolt hole at one corner and following down the flange 7 Secure the upper section in place using bolts supplied with the unit to ensure leak free operation Figure 5 NOTE All piping must be ...

Page 8: ...B x 0818 x 5 3 8 6 4 0 8 2 4 11 8 2 3 5 FXV 1212x x x CXVB x 1212 x 4 4 11 10 5 3 5 3 6 1 5 3 5 2 FXV 1218x x x CXVB x 1218 x 5 3 11 10 5 3 8 2 6 1 8 2 5 2 W1 H W2 W1 H W2 Figure 6a Coil Section Lift Figure 6b Plenum Section Lift NOTE For the lower section see Figure 1a on page 4 WARNING Failure to use lifting provisions can result in a dropped load causing severe injury death and or property dama...

Page 9: ...7 to the coil section flanges that mate with the plenum section Figure 6a 10 Remove the three piece rigging kit from the coil module and install it on the plenum section 11 Before lowering the plenum section onto the lower section be sure to line up the bolt holes using drift pins as illustrated in Figure 4 no fewer than one hole at each edge Guide the plenum section onto the lower section startin...

Page 10: ...iece Cell Assembly Instructions 1 Remove any accessories shipped in the cold water basin 2 Position the lower section on the unit supports and bolt in place 3 Wipe moisture and dirt from the perimeter flange and plenum step as shown in Figure 8 4 Apply flat butyl sealer tape BAC part 554000 to critical seal areas shown in Figure 9 Apply a 2 x 2 piece of flat butyl sealer tape to the corner rigging...

Page 11: ...pplication of Butyl Sealer Tape Flat Butyl Sealer Tape Inside Face Align inside edge of tape with edge of flat surface Figure 10 Perimeter Seal Detail 6 Lift and set the plenum module Center the plenum module transversely and longitudinally The rigging guides Figure 13a will engage when the plenum module is within 2 of the lower section Bolt the plenum module in place at the four internal bracket ...

Page 12: ...ce as Seen From the Coil Module End 8 Lift the coil module and verify that it is level Adjust lifting devices as necessary to level the coil module before attempting to set The coil connection of the coil module weighs more and will affect the balance Tolerances are given in Figures 16 and 17 NOTE Failure to level the coil module for rigging will prevent proper engagement of rigging guides 9 To en...

Page 13: ...nity of current carrying conductors and ENDURADRIVE Fan System motors can result in a serious health hazard to persons with cardiac pacemakers metal implants and hearing aids To avoid risk stay away from the area surrounding the ENDURADRIVE Fan System motor WARNING The VFD may apply hazardous voltages to the motor leads after power to the controller has been turned off Verify that the controller i...

Page 14: ...with the unit in the envelope attached to the side of the unit marked Contractor s Installation Information For this section please refer to Table 4 for rounded unit lengths and widths These rounded measurements are used in the optional accessory installation instructions Model Number Rounded Width Rounded Length FXV CXVB FXV 0806x x x CXVB x 0806 x 8 6 FXV 0809x x x CXVB x 0809 x 8 9 FXV 0812x x ...

Page 15: ...e unit above the motor access panel s 2 Attach davit support s to davit bracket s with bolts nuts and lockwashers provided 3 Lower davit arm into davit support Relocate as necessary Figure 19a End Motor Davit Assembly Davit Arm Motor Davit Support Davit Bracket Motor Access Panel End Davit Assembly Davit Arm Motor Davit Support Davit Bracket Motor Access Panel Center Davit Assembly When Applicable...

Page 16: ...ators are easily accessible The addition of optional factory mounted insulation to the hood and casing can further reduce the heat loss by minimizing losses due to conduction 1 Lower the PCD hood into place with the access door on the louver face of the unit 2 Apply foam tape BAC part 270567 to the bottom edge of the PCD hood Attach the PCD hood along the front and back using hardware provided Lif...

Page 17: ...n FXV 0806 FXV 0809 A B E and F FXV 0812 FXV 0818 FXV 1212 FXV 1218 A B C D E and F Table 4 Position of Discharge Sound Attenuation Clips NOTE Discharge sound attenuation clip position is unaffected by the unit configuration NOTE For extremely sound sensitive installations factory designed tested and rated sound attenuation is available for both the air intake and discharge On single air intake mo...

Page 18: ...ttenuation module so that the hangers fit into the flanges at the top and bottom of the air intake section 2 Fasten both ends of the intake sound attenuation module to the unit using bolts provided Fill Section Intake Sound Attenuation Top Bottom Lifting Ear 2 Figure 24 Intake Sound Attenuation Detail C Bolting Locations ...

Page 19: ...s and lower into position so that it rests on support channels Bolt platform and railings into place using 3 8 x 1 1 4 bolts See Detail C Figures 26 and 27 Detail A Detail B Figure 25 External Service Platform Assembly for 8 x 6 and 8 x 9 Units Optional Accessories Intake Sound Attenuation Assembly FXV Only External Service Platform Installation NOTES 1 Platform can be installed prior to rigging c...

Page 20: ...e 26 External Service Platform Assembly for 8 x 12 and 12 x 12 Units Lower Drop in Platform Into Position Drop In Support Detail C Detail A Unit 3 8 x 1 1 4 Bolt 3 8 Flatwasher Hang on Module Detail B Hang On Module 3 8 Rivnuts Flange ...

Page 21: ...ce Platform Installation Figure 27 External Service Platform Assembly for 8 x 18 and 12 x 18 Units Lower Drop in Platform Into Position Drop In Support Detail C Detail A Detail B Unit 3 8 x 1 1 4 Bolt 3 8 Flatwasher Hang on Module Hang On Module 3 8 Rivnuts Flange ...

Page 22: ...zing provided bolts and attach lower support assembly using ladder clips provided Ladder Bracket Ladder Bracket Ladder Bracket Ladder Bracket Detail A Ladder Platform Attachment NOTES 1 A left hand ladder mount is shown A right hand ladder mount is located on the other side of the unit using the supplied holes in the casing panels 2 Platforms ladders and safety cages can be added at the time of or...

Page 23: ... ladder bracket Upper ladder bracket Hoop Detail D Figure 29 Safety Cage Cage Height ft Bolting Location Cage Height ft Bolting Location Cage Height ft Bolting Location A B C D A B C D A B C D 4 1 1 12 1 1 2 1 20 1 1 4 1 5 1 1 1 13 1 1 2 1 21 1 1 4 1 6 1 1 1 14 1 1 2 1 22 1 1 4 1 7 1 1 1 15 1 1 2 1 23 1 1 4 1 8 1 1 1 16 1 1 2 1 24 1 1 4 1 9 1 1 1 1 17 1 1 3 1 25 1 1 5 1 10 1 1 1 1 18 1 1 3 1 27 1 ...

Page 24: ...ixed locations in the plenum Figure 31 Internal Ladder Detail B Upper Ladder Support WARNING Ensure internal ladder is pinned in place and securely installed prior to use Detail A Lower Ladder Support Internal Platform Ladder Installation Optional For access to the motor and drive assemblies an internal ladder and upper service platform with handrails is available for select models 1 Attach the si...

Page 25: ...orts and secure to platform See Figure 32 Detail B 3 Attach and ladder and or safety cage s per External Service Ladder Installation on page 20 and Ladder Safety Cage Installation on page 21 Detail A Detail B Figure 32 Door Platform NOTE Door access platform can be installed prior to rigging for easier installation Optional Accessories Internal Platform Ladder Installation Internal Ladder Installa...

Page 26: ...OWERS ICE THERMAL STORAGE EVAPORATIVE CONDENSERS HYBRID PRODUCTS PARTS SERVICES w w w B a l t i m o r e A i r c o i l c o m 7600 Dorsey Run Road Jessup MD 20794 Telephone 410 799 6200 Fax 410 799 6416 2020 Baltimore Aircoil Company R248 6 B ...