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Summary of Contents for BAC 1500 Series
- Page 1 Series 1500 Series 1500 Cooling Tower RIGGING & ASSEMBLY INSTRUCTIONS...
- Page 2 Be sure to have a copy of the certified drawing available for reference. If you do not have a copy of this drawing, or if you need additional information about this unit, contact your local BAC Representative whose name and telephone number are on a label adjacent to the access door. The model...
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Page 3: Table Of Contents
Table of Contents RIGGING & ASSEMBLY INSTRUCTIONS » SERIES 1500 COOLING TOWER Introduction Optional Accessory Installation Safety Bottom Water Outlet/Equalizer/Bypasses Shipping Access Door Platform and Ladder Pre-Rigging Checks Internal Service Platform Unit Weights Internal Service Platform Ladder Anchoring Internal Ladder Only Cold Weather Operation External Access Platform Location... -
Page 4: Introduction
Shipping lift circumstances warrant its BAC Cooling Towers are factory assembled to assure uniform quality and minimum field use, as determined by the rigging assembly. Models S15E/XES15E-x-06x and S15E/XES15E-x-07x ship in a single piece. -
Page 5: Unit Weights
Each unit should be located and positioned to prevent the introduction of discharge introduction of discharge air air into the ventilation system of any building. For detailed recommendations on BAC into the ventilation systems of equipment layout, see our website at www.BaltimoreAircoil.com or contact your local the building on which the unit is Representative. - Page 6 Figure 1 shows the proper rigging of a Series 1500 that ships and/or property damage. Lifts in one-section. Figure 2 shows the proper rigging of a two-section unit. must be performed by qualified riggers following BAC published Single Piece Lower Section Upper Section Min.
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Page 7: Rigging & Assembly
3. Wipe any moisture and dirt from the perimeter mating flanges of the lower section. 4. Install flat butyl sealer tape (BAC part # 554000) supplied with the unit, as illustrated in Figure 3, on the mating flanges of the lower section in a continuous line. At each corner, allow 1”... -
Page 8: Multi-Cell Installation
5. Wipe down the mating surface on the outer, protruding end of the flume box and apply to installing flat washers and wing a layer of flat butyl sealer tape (BAC Part #554000) around the face of the flange over nuts. - Page 9 Rigging & Assembly Multi-Cell Installation Multi-Cell Unit Assembly Flume Box Installation Figure 5. Flume Box Butyl Sealer Tape Application 2 1/2” 3/8” x 1 1/4” Detail A Thread Cutting Screw Figure 6. Thread Cutting Screw Pattern for Flume Box Install Backing Plate Here Figure 7.
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Page 10: Positive Closure Plate Installation
Positive Closure Plate Installation (Figure 8) The optional positive closure plate and gasket can be furnished on multi-cell units to allow individual cells to be isolated for cleaning and routine maintenance. For Series 1500 Cooling Towers, the plate ships loose inside the basin. To install the positive closure plate and gasket, follow the steps below. - Page 11 Rigging & Assembly Optional BALTIGUARD™ Fan System Motor Multi-Cell Installation Positive Closure Plate Rigid Conduit Outside Installation Tower Turned Down to Conduit Junction Box or Safety Motor Location and Conduit Switch Installation Standard Motor Disconnect/Safety Switch Location in Weatherproof Enclosure Optional Accessories and Plan View Must be Rated for Proper...
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Page 12: Fan Guard Installation
Fan Guard Installation As standard, the fan guard ships installed on all Series 1500 units except units with the optional Whisper Quiet Fan and units with fan cowl extensions. However, due to height limitations on specific truck shipments, the fan guard for other models may ship unmounted. -
Page 13: Optional Accessory Installation
SERIES 1500 COOLING TOWER Optional Accessory Installation Bottom Water Outlet/Equalizer/Bypasses (Optional) 1. The bottom connection seal, Figure 18, is typical for all bottom outlets, equalizers, and bypasses. Flange mounting hardware and gasket to be supplied by others. 2. Bottom connection seal kit(s) ship in plastic tubs. Backup Ring Sump Suction 2 1/4”... -
Page 14: Access Door Platform And Ladder
Access Door Platform and Ladder (Optional) The door access platform is shipped fully assembled. Some disassembly is required for installation. 1. Secure the platform support brackets underneath the access door using 3/8” bolts provided. See Figures 19 and 20, Details A, B and C. 2. -
Page 15: Internal Service Platform
Optional Accessory Installation Internal Service Platform (Optional) 1. The platform base is factory installed. The handrail system requires field installation. Access Door Platform and Ladder 2. The welded handrail assemblies drop into pre-installed sockets in a specific configuration depending on the size of the unit and the type of drive system. See Figure 20 below for Internal Service Platform configuration types. -
Page 16: Internal Service Platform Ladder
Internal Service Platform Ladder (Optional) 1. Attach ladder bracket to the access platform using 3/8” bolts provided. See Figure 22, Detail A. 2. Attach the ladder to the lower walkway using 5/16” tappers provided. See Detail B. 3. Secure the ladder flair to the platform railing posts using 5/16” bolts provided. See Detail C. -
Page 17: Internal Ladder Only
Optional Accessory Installation Internal Ladder Only (Optional) Lift the ladder guiding the bottom posts into the slots in the walkway as you are dropping Internal Service Platform the pre-welded bolts at the top into the mounting holes in the upper support channel. No Ladder further fastening is required. -
Page 18: External Access Platform
External Access Platform (Optional) 1. For S15E/XES15E-1218-x units only, lift the platform module into place and secure the platform frame to the pre-mounted brackets using 3/8” bolts provided See Figure 24, Detail A. 2. Secure the support channels to the platform and the unit casing using 1/2” bolts provided. -
Page 19: External Access Platform For Multi-Cell Units
Optional Accessory Installation External Access Platform for Multi-cell Units (Optional) 1. Follow the instructions for the External Access Platform on page 16. External Access Platform 2. Fasten the top gap cover bracket using 3/8” bolts provided. See Figure 25, Detail A. External Access Platform for 3. -
Page 20: Ladder Safety Cage
Ladder Safety Cage (Optional) 1. If the safety cage is shipped in multiple pieces, reassemble the safety cage. 2. Bolt the safety cage to the ladder using flatwashers and locknuts. Orient all fasteners with bolt heads inside safety cage. See Figure 26, Detail A through D and refer to Table 3 for the quantity of bolting locations for different safety cage heights. -
Page 21: Louver Face External Access Platform Ladder
Optional Accessory Installation Louver Face External Access Platform Ladder (Optional) 1. Secure the lower support channel to the pre-mounted bracket using 3/8” bolts Ladder Safety Cage provided. See Figure 27, Detail A. Louver Face External Access 2. If unit is a two-section assembly, secure mid support channel to the pre-mounted Platform Ladder bracket using 3/8”... -
Page 22: Louver Face External Access Platform With End Ladder
Louver Face External Access Platform With End Ladder (Optional) 1. Secure the lower support channel to the pre-mounted bracket using 3/8” bolts provided. See Figure 28, Detail A. 2. If the unit is a two-section assembly, secure the mid support channel to the pre- mounted bracket using 3/8”... - Page 23 Optional Accessory Hot Water Basin Handrail (Optional) Installation 1. The welded handrail assemblies drop into pre-installed sockets in a specific Louver Face External Access configuration depending on the size of the unit. See Figures 29a - 29c below for the Platform With End Ladder configuration type depending on the model number.
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Page 24: Hot Water Basin Handrail For Multi-Cell Units
Hot Water Basin Handrail for Multi-cell Units (Optional) 1. Follow the instructions for the hot water basin handrail installation on Page 21. 2. Secure the platform plates to the platform base at the gap between the cells using 5/16” tappers. See Detail A and B. 3. -
Page 25: Hot Water Basin Handrail Ladder
Optional Accessory Hot Water Basin Handrail Ladder (Optional) Installation 1. If unit is a two-section assembly (see Figure 4, page 5), attach the mid support channel: Hot Water Basin Handrail for – Drop the vertical mounting channels into the sheet metal break of the upper section Multi-cell Units base frame as shown in Figure 32, Details A and B. -
Page 26: Motor Removal System With Davit Arm
Motor Removal System with Davit Arm (Optional) 1. If this option is ordered, two brackets are pre-installed in the factory at each motor location. See Figure 33, Detail A. 2. The davit socket is pre-assembled. A hook plate is supplied on the back of the davit socket. -
Page 27: Fan Cowl Extensions
Optional Accessory Fan Cowl Extensions (Optional) Installation Each fan cowl extension is 10 1/2” tall and up to four fan cowl extensions may be Motor Removal System with installed. Davit Arm 1. Fasten the fan cowl extensions through the large diameter pre-punched holes using Fan Cowl Extensions the provided hardware as shown in Figure 34, Detail A. -
Page 28: Heater Control Panel
Ground lugs are 9. Verify operation by following the “Stand Alone BAC Heater Control Panel” in the provided in the heater control Series 1500 Operation & Maintenance Manual. - Page 29 Control Panel (If Required) Immersion Heaters Figure 36. Example Wiring Diagram for Stand Alone BAC Heater Control Panel (Refer to Submittal Drawing for Specific Wiring Diagram) NOTE: Figure 36 is superseded by any drawing supplied with the panel by the manufacturer.
- Page 30 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 ›...
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