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BAC PFi Series Rigging & Assembly Instructions

Closed circuit cooling towers and evaporative condensers, counterflow induced draft
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PFi
PCC
Counterflow Induced Draft
Coil Products
RIGGING & ASSEMBLY INSTRUCTIONS

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Summary of Contents for BAC PFi Series

  • Page 1 Counterflow Induced Draft Coil Products RIGGING & ASSEMBLY INSTRUCTIONS...
  • Page 2 Be sure to have a copy of the submittal 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 the outside of the cold water basin. The model number and serial number of the unit are also located in this area.

  • Page 3: Table Of Contents

    Table of Contents RIGGING & ASSEMBLY INSTRUCTIONS » PFi CLOSED CIRCUIT COOLING TOWERS AND PCC EVAPORATIVE CONDENSERS Introduction Fill Access Platform (PFi Only) Safety Fill Access Platform for Multi-cell Units Shipping Fill Access Platform Side Ladder Pre-Rigging Checks Fill Access Platform End Ladder Cold Weather Operation Top Perimeter Guardrails Location...

  • Page 4: Introduction

    Shipping use, as determined by the rigging BAC PFi Closed Circuit Cooling Towers and PCC Evaporative Condensers are factory contractor. assembled to ensure uniform quality with minimum field assembly. This product ships in either two or three sections per cell, optional shipment of three sections per cell, and optional containerized shipments are available.

  • Page 5: Cold Weather Operation

    Anchor bolts must be provided by others. The IBC rating is Warranties only certified with standard anchorage locations. Using alternate anchorage locations or alternate steel supports will void any IBC wind or seismic ratings. Contact your local BAC Unit Operation Representative for details.

  • Page 6: Unit Rigging & Assembly

    The use of a supplemental safety sling may also be required if damage. Lifts must be performed the lift circumstances warrant its use, as determined by the rigging contractor. by qualified riggers following BAC published Rigging Instructions, and H (Distance From Lift Point to Lifting Device) generally accepted lifting practices.

  • Page 7: Section Assembly Of Two-Piece Cells

    5. Wipe any moisture or dirt from the top perimeter flange of the lower section. 6. Install flat butyl sealer tape (BAC part # 554000) supplied with the unit, on the mating flanges of the lower section in a continuous line. At each corner, allow 1”...

  • Page 8: Section Assembly Of Optional Three-Piece Cells

    9. Insert a drift pin per Figure 5. Start at the corner hole and skip every 3 or 4 holes along the length of the unit. Repeat this process on the other side. 10. Lower the upper section the remaining distance using the alignment pins and drift pins to align the coil casing section and lower section holes.
  • Page 9 13. On the coil casing section, install a layer of foam tape (BAC part # 270567) supplied with the unit around the face of the flange over the centerline of the holes. Do not leave any gaps.

  • Page 10: Rigging Of Containerized Units

    “Motor Installation for External Motors” on page 12. 8. Follow steps 12 – 16 on page 7. 9. Secure the pump/piping assembly to the basin using the flat butyl sealer tape (BAC Part #554000) and bolts provided as shown in Figure 10. Apply the sealer tape as shown in Figure 10, Detail B.

  • Page 11: Multi-Cell Unit Installation

    The window panels FAB are shipped loose inside the cold water cell. Move the subsequent cell(s) to basins and should be installed using the supplied flat butyl sealer tape (BAC part # their final position using the lifting 554000) and 5/16”...
  • Page 12 2. Wipe down the mating surface on the outer, protruding end of the flume box and apply a layer of flat butyl sealer tape (BAC Part #554000) around the face of the flange over installation, go to “Positive Closure the centerline of the holes.
  • Page 13 Unit Rigging & Assembly Positive Closure Plate Installation (Figure 15) Multi-Cell Unit Installation The optional positive closure plate and gasket can be furnished on multi-cell units to allow Flume Box Installation individual cells to be isolated for cleaning and routine maintenance. The plate ships loose Positive Closure Plate Installation inside the basin.

  • Page 14: Motor Installation For External Motors

    Motor Installation for External Motors Models with external motors include PFi/PCC-0709, PFi/PCC-0718. All other PFi and PCC models have the fan motor mounted and belt tensioned at the factory. 1. Attach the lifting strap to the motor base eyelets and remove the motor and the motor base assembly from the basin.

  • Page 15: Fan Guard Installation

    Unit Rigging & Assembly Fan Guard Installation Motor Installation for External Depending on the height of your unit, the fan guard may ship unmounted due to shipping Motors height limitations on specific truck shipments. Fan Guard Installation One-Piece Fan Guard Mount the fan guard to the unit as illustrated in Figure 19, Detail A.
  • Page 16 Two-Piece Fan Guard DANGER: Fan guard must be 1. Using six U-bolt assemblies, fasten the two halves of the fan guard together as illustrated in Figure 20, Detail B. Locate the U-bolt assemblies along the seam securely in place before the unit between the two guard halves per the X and Y dimension provided in Table 2, which is placed in operation.

  • Page 17: Optional Accessory Installation

    1. Verify the mounting frame (and clips for PFi-0406 and PFi-0412) are factory installed as shown in Figure 22. 2. Apply foam tape (BAC part # 270567) to the bottom edge of the PCD hood. Lower the PCD hood into position by aligning the bolt holes on the PCD hood with the pre- existing bolt holes on the mounting frame (and clips for PFi-0406 and PFi-0412).
  • Page 18 If these mounting guides are not factory installed, please contact your local BAC Representative. 2. Apply foam tape (BAC part # 270567) to the bottom edge of the PCD hood. Lower the PCD hood into position on the upper mechanical section by aligning the bolt...

  • Page 19: Pcd Hood Assembly (Pfi Only)

    Optional Accessory Installation Discharge Sound Attenuation (Optional on PFi Only) 1. Verify the mounting frame and clips are factory installed as shown in Figure 25. PCD Hood Assembly 2. Lower the attenuator into position by aligning the bolt holes on the attenuator with the (PFi Only) pre-existing bolt holes on the mounting clips.

  • Page 20: Fan Cowl Extensions

    Fan Cowl Extensions (Optional) Each fan cowl extension is 10 1/2” tall and up to four fan cowl extensions may be installed. 1. Fasten the fan cowl extensions through the large diameter pre-punched holes using the provided hardware as shown in Figure 27, Detail A. 2.

  • Page 21: Inclined Access Ladder

    Optional Accessory Installation PFi/PCC-1012, 1024, 2012, 1212, 2412, 1224, 2424, 1218, 1236, 2418, and 2436 and PCC-1220 Fan Cowl Extensions 1. Verify the davit support is factory installed next to the access door. If not installed, remove the bolts next to the access door (refer to Figure 29b). DO NOT REMOVE Motor Removal Davit TAPPERS.
  • Page 22 PDC + PDB Detail A Detail A PDC + PDB Detail B Detail B Detail C LAB + LAC Figure 30. Inclined Access Ladder — PFi/PCC-0406 Detail A PDC + PDB PDC + PDB PDC + PDB PDC + PDB Detail B Figure 31.
  • Page 23 Optional Accessory Installation Inclined Access Ladder Detail A PDC + PDB PDC + PDB Detail B LAB + LAC Detail C Figure 32. Inclined Access Ladder — PFi-0709, 0718 Detail A Detail D PDC + PDB PDC + PDB Detail B Figure 33.

  • Page 24: Mechanical Access Platform

    Mechanical Access Platform (Optional) Mechanical Access Platform (Optional) Refer to Figures 34 to 38 for your particular unit. Refer to Figures 34 to 38 for your particular unit. 1. Lift the platform module(s) into place and secure to the unit at the locations indicated Each Fan cowl extension is 10 1/2”...
  • Page 25 Optional Accessory Installation Mechanical Access Platform Detail A Detail B Figure 36. Mechanical Access Platform – PFi/PCC-1012, 1024, 2012, 1212, 1224, 2412, 2424, 1218 PFi/PCC-1236 (one fan), 2418 (one fan), 2436 (one fan) and PCC-1220, 1240, 2420, 2440 2. For the two fan PFi/PCC-1218, 1236, 2418 and 2436, install the preassembled mid platform support(s) using the 3/8”...

  • Page 26: Mechanical Access Platform For Multi-Cell Units

    Mechanical Access Platform for Multi-cell Units (Optional) 1. Follow the instructions for the Mechanical Access Platform on page 22. 2. For the two fan PFi/PCC-1236 and 2436, the Mechanical Access platform spans two cells. See Figure 38, Details A to D for the bridging components. 3.

  • Page 27: Mechanical Access Platform Side Ladder

    Optional Accessory Mechanical Access Platform Side Ladder (Optional) Installation 1. Attach the upper ladder supports LA7 to the ladder if not already installed and then attach the ladder assembly to the platform using the 3/8” x 1 1/4”bolts provided. See Mechanical Access Figure 39, Detail B.
  • Page 28 Fill Access Platform - PFi Only (Optional) 1. Attach the upper ladder supports LA7 and PGZ to the ladder if not already installed and then attach the ladder assembly to the platform using the 3/8” x 1 1/4” bolts provided. See Figure 40, Detail B.

  • Page 29: Mechanical Access Platform End Ladder

    Optional Accessory Fill Access Platform (Optional) Installation Refer to Figures 41 to 44 for your particular unit. Mechanical Access 1. For 18’ long platforms, first secure the bolt plates PHN to the factory installed Platform End Ladder brackets on the casing frame using the 5/16” self-tapping screws provided. See Figures 43 and 44, Detail F.
  • Page 30 2. Lift the platform module into place and secure the platform frame to the factory installed brackets on the casing frame. For 18’ long units, use the 5/16” hardware provided to secure the platform frame to the center supports. See Figures 43 and 44, Detail G.
  • Page 31 5. For 18’ long platforms, secure the support channels PHA to the basin at the center Optional Accessory locations using the adapter brackets PHM. See Figures 43 and 44, Detail E. Installation Fill Access Platform Detail G Toe board Detail A Platform frame Detail F Detail B...
  • Page 32 6. Secure the end toe boards to the factory installed brackets on the casing using the 3/8” bolts provided. See Figures 41 to 44, Detail B. 7. Secure the end rails to the factory installed brackets on the casing using the 3/8” x 2 1/2”...

  • Page 33: Fill Access Platform For Multi-Cell Units

    Optional Accessory Fill Access Platform for Multi-cell Units - PFi Only (Optional) Installation Refer to Figures 41 to 44 for your particular unit. Fill Access Platform 1. Follow the instructions for the Fill Access platform on pages 27-30. For the PFi-1024, 1224, 2424, 1236, 2436 the Fill Access platform spans two cells. Fill Access Platform for See Figure 45, Details A to D for the bridging components.

  • Page 34: Fill Access Platform Side Ladder

    Fill Access Platform Side Ladder (Optional) 1. Attach the upper ladder supports LA7 to the ladder if not already installed and then attach the ladder assembly to the platform using the 3/8” x 2 1/4” bolts provided. See Figure 46, Detail B. 2.

  • Page 35: Fill Access Platform End Ladder

    Optional Accessory Installation Fill Access Platform End Ladder (Optional) Fill Access Platform 1. Attach the upper ladder supports LA7 to the ladder if not already installed and then Side Ladder attach the ladder assembly to the platform using the 3/8” x 1 1/4” bolts provided. See Fill Access Platform Figure 47, Detail B.

  • Page 36: Top Perimeter Guardrails

    Top Perimeter Guardrails (Optional) NOTE: For clarity the basin and Refer to Figures 48 to 55 for your particular unit. coil casing sections are not 1. Secure the individual rail segments to the factory installed post brackets using the shown. 3/8”...
  • Page 37 RAIL “A” Optional Accessory RAIL “B” Installation RAIL “D” RAIL “C” Top Perimeter Guardrails RAIL “B” RAIL “A” Safety Gate RAIL “B” RAIL “C” RAIL “D” RAIL “B” Detail A Figure 49. Top Perimeter Guardrails - PFi/PCC-1218, 1220 PFi/PCC-1218, 1220 Guardrail Lengths (in.) Model Number Rail “A”...
  • Page 38 RAIL “A” RAIL “B” RAIL “C” RAIL “B” RAIL “A” RAIL “B” RAIL “B” RAIL “B” Detail B RAIL “B” RAIL “A” RAIL “B” Safety Gate RAIL “C” RAIL “B” Detail A Figure 51. Top Perimeter Guardrails - PFi/PCC-1224 PFI/PCC-1224 Guardrail Lengths (in.) Model Number Rail “A”...
  • Page 39 RAIL “A” RAIL “D” RAIL “B” Optional Accessory Installation RAIL “C” RAIL “B” RAIL “A” Top Perimeter Guardrails RAIL “A” Detail A RAIL “B” RAIL “C” RAIL “B” RAIL “A” Safety RAIL “B” Gate RAIL “C” RAIL “B” RAIL “A” RAIL “B”...
  • Page 40 RAIL “D” RAIL “B” RAIL “C” Detail B RAIL “B” RAIL “D” RAIL “A” Detail C RAIL “B” RAIL “C” RAIL “B” RAIL “A” RAIL “A” RAIL “B” RAIL “B” RAIL “C” RAIL “A” RAIL “D” RAIL “B” Safety Detail A Gate RAIL “C”...
  • Page 41 Optional Accessory Installation Top Perimeter Guardrails 5/16” 5/16” Nut 5/16” Lockwasher Flatwasher 5/16” x 3 3/4” 5/16” Bolt Flatwasher Figure 57. Top Perimeter Guardrail Segment Attachment Figure 58. Top Perimeter Guardrail Toe Board Attachment 5/16” Nut 5/16” x 5” Bolt 5/16”...

  • Page 42: Top Perimeter Guardrail Ladder To Unit Base

    Top Perimeter Guardrail Ladder to Unit Base (Optional) 1. Attach the upper ladder supports PJF to the ladder(s) if not already installed and then attach the ladder assembly to the platform using the 3/8” x 1 1/4” bolts provided. See Figures 61 and 62, Detail B. 2.
  • Page 43 Optional Accessory Installation Perimeter Handrail Ladder to Unit Base Detail A Detail B Detail C Figure 62. Top Perimeter Guardrail Ladder - PCC-1220, 1240, 2420, 2440 Detail D Detail E WWW. BALTIMO R EAIR CO IL.C O M...
  • Page 44 Top Perimeter Guardrail to Fill Platform - PFi Only (Optional) 1. Attach the upper ladder supports PJF to the ladder(s) if not already installed and then attach the ladder assembly to the platform using the 3/8” bolts provided. See Figure 63, Detail B.

  • Page 45: Top Perimeter Guardrail Ladder To Fill Platform

    Optional Accessory Installation Ladder Safety Cage (Optional) Top Perimeter Guardrail 1. If the safety cage is shipped in multiple pieces, reassemble the safety cage. Ladder to Fill Platform 2. Bolt the safety cage to the ladder using flatwashers and locknuts. Orient all fasteners Ladder Safety Cage with bolt heads inside safety cage.

  • Page 46: Automatic Bearing Greasers

    Automatic Bearing Greasers (Optional) 1. Verify the mounting brackets are factory installed. 2. Fill the extended lube lines with BAC compatible water resistant grease using a manual grease gun. See the“Fan Shaft Bearings” section of the PFi and PCC Operation NOTE: Automatic bearing greasers &...

  • Page 47: Heater Control Panel

    9. Verify operation by following the “Stand Alone BAC Heater Control Panel” in the PFi branch circuit protective device and PCC Operation &...
  • Page 48 COOLING TOWERS CLOSED CIRCUIT COOLING TOWERS 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 ›...

This manual is also suitable for:

Pcc seriesPcc-0406Pcc-0412Pcc-0709Pcc-0718Pcc-1012 ... Show all

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