Baltimore Aircoil Company FXV3 User manual

FXV3
CLOSED CIRCUIT COOLING TOWER
CXVT
EVAPORATIVE CONDENSER
RIGGING &ASSEMBLY INSTRUCTIONS

FXV3/CXVT Rigging & Assembly Instructions –Forward Page | 2
IMPORTANT NOTICE
FXV3/CXVT should be rigged and assembled as
outlined in this bulletin.
These procedures should be thoroughly reviewed prior to the rigging
and assembly of the equipment to acquaint all personnel with
procedures to be followed and to ensure that all necessary
equipment is available beforehand.
Be sure to have a copy of the submittal package
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 number and
serial number ofthe unit are also located in this area.

FXV3/CXVT Rigging & Assembly Instructions –Table of Contents Page | 3
FXV3 - CLOSED CIRCUIT COOLING TOWER
CXVT - EVAPORATIVE CONDENSER
RIGGING & ASSEMBLY INSTRUCTIONS
Contents
1. Warnings and Cautions................................................................................................................................................................................. 5
Safety Precautions ..................................................................................................................................................................................... 5
Equipment Precautions.............................................................................................................................................................................. 6
2. Introduction ................................................................................................................................................................................................... 7
Safety........................................................................................................................................................................................................... 7
Shipping ...................................................................................................................................................................................................... 7
Pre-Rigging Checks.................................................................................................................................................................................... 8
Unit Weights ........................................................................................................................................................................................... 8
Anchoring ............................................................................................................................................................................................... 8
Cold Weather Operation............................................................................................................................................................................. 9
Placement.................................................................................................................................................................................................... 9
Warranties ................................................................................................................................................................................................... 9
Unit Operation............................................................................................................................................................................................. 9
3. Unit Rigging & Assembly............................................................................................................................................................................. 10
Rigging ...................................................................................................................................................................................................... 10
Section Assembly..................................................................................................................................................................................... 13
Mechanical Section’s Shipping Braces Removal on (Optional) Gear and Belt Drive Units (Optional) ............................................. 21
Plain Pipe Stub Coil Connections Nitrogen Charge Removal .............................................................................................................. 22
3. Accessory Installation ................................................................................................................................................................................. 23
General Packing & Labeling Information................................................................................................................................................ 23
ENDURADRIVE®Fan System Installation............................................................................................................................................... 24
Warnings for the ENDURADRIVE®Fan System................................................................................................................................. 24
Important Notes for the ENDURADRIVE®Fan System...................................................................................................................... 24
Access Door Platform & Ladder Installation.......................................................................................................................................... 25
Fan Deck Extension Installation.............................................................................................................................................................. 28
External Motor Gear Drive Motor Base, Platform & Ladder Installation .............................................................................................. 31
Positive Closure Damper (PCD) Hood Platform & Ladder Installation ................................................................................................ 36

FXV3/CXVT Rigging & Assembly Instructions –Table of Contents Page | 4
Internal Service Platform Railing and Ladder Installation .................................................................................................................... 39
Ladder Opening Safety Gate Installation................................................................................................................................................ 55
Cold Water Basin Connection Installation ............................................................................................................................................. 58
Fan Deck Handrail Installation ................................................................................................................................................................ 62
Multi-Section Ladder Assembly .............................................................................................................................................................. 76
Fan Deck Ladder Installation................................................................................................................................................................... 78
Motor Davit Assembly & Installation....................................................................................................................................................... 82
Positive Closure Damper (PCD) Hood Installation ................................................................................................................................ 84
Ladder Safety Cage Installation .............................................................................................................................................................. 86
Fan Cowl Extension Installation.............................................................................................................................................................. 87
Fan Guard Installation.............................................................................................................................................................................. 88
Discharge Attenuation Installation.......................................................................................................................................................... 89
Intake Attenuation Installation ................................................................................................................................................................ 90

FXV3/CXVT Rigging & Assembly Instructions –Warnings and Cautions Page | 5
1. Warnings and Cautions
Safety Precautions
•: Failure to use appropriate lifting equipment can result in a dropped load, causing severe
injury, death, and/or property damage. Lifts must be performed by qualified riggers following BAC published Rigging
Instructions, and generally accepted lifting practices. The use of a supplemental safety sling may also be required if
the lift circumstances warrant its use, as determined by the rigging contractor.
•: To prevent bodily injury or property damage, only qualified personnel qualified should
undertake the installation, operation, maintenance, and repair of this equipment. Proper care, procedures, and tools
must be used in handling, lifting, installing, operating, maintaining, and repairing this equipment
•: Equipment damage may occur if water, snow, ice, or debris has collected in the basin or
elsewhere in the unit. Such accumulations will add substantially to the equipment’s lifting weight placing equipment at
risk of damage that could result in injury. Before an actual lift is undertaken, ensure no water, snow, ice, or debris has
collected in the basin or elsewhere in the unit.
•: Equipment damage may occur if the unit is not properly anchored before operation begins.
Equipment damage could result in death or serious injury. Ensure unit is properly anchored before operation beings.
•: ENDURADRIVE®Fan System motors can induce voltage and current in the motor leads by
rotating the motor shaft, even when the motor is completely disconnected from the power source, which can lead to
severe bodily injury or death from electrical shock. Mechanically lock or tie down the fan until all wiring has been
completed and before servicing the drive system, or when performing any motor maintenance procedure.
•: Magnetic and electromagnetic fields in the vicinity 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.
•: The ENDURADRIVE®Fan System variable frequency drive may apply hazardous voltages
to the motor leads after power to the controller has been turned off. To avoid the risk of severe bodily injury or death
from electrocution, verify that the controller is incapable of delivering hazardous voltages and that the voltage at the
motor leads is zero before servicing the drive system, or when performing any motor maintenance procedure.

FXV3/CXVT Rigging & Assembly Instructions –Warnings and Cautions Page | 6
Equipment Precautions
•Each unit must be located and positioned to prevent the introduction of discharge air into the ventilation systems of
the building on which the unit is located and of adjacent buildings.
•For weight information, refer to the submittal drawing package.
•All single-cell and multi-cell units must be rigged one section at a time.
•For weight information, refer to the submittal drawing package. Any motors or accessories shipped in the cold water
basin must be removed prior to installing the upper (mechanical and coil casing) section.
•Failure to level the coil module for rigging will prevent proper engagement of rigging guides.
•ENDURADRIVE®Fan System mechanical braces are structurally required and are not removable.

FXV3/CXVT Rigging & Assembly Instructions –Introduction Page | 7
2. Introduction
Safety
Adequate precautions appropriate for the installation and location of these products should be taken to safeguard the
equipment and the premises from damage and the public from possible injury. The procedures listed in this manual must
be thoroughly reviewed prior to rigging and assembly. Read all warnings, cautions and notes.
When the fan speed of the unit is to be changed from the factory set speed, including the use of a variable speed device, steps
must be taken to avoid operating the equipment at or near the fan’s “critical speed,” which could result in fan failure and
possible injury or damage. Before changing fan speed, consult your local BAC Representative and refer to the resonant speed
identification procedure available in the operation & maintenance manual.
: Failure to use appropriate lifting equipment can result in a dropped load, causing severe injury,
death, and/or property damage. Lifts must be performed by qualified riggers following BAC published Rigging
Instructions, and generally accepted lifting practices. The use of a supplemental safety sling may also be required if the
lift circumstances warrant its use, as determined by the rigging contractor.
Shipping
Models FXV3/CXVT are factory assembled to ensure uniform quality with minimum field assembly. FXV3/CXVT models ship in
four sections per cell (one lower and three upper: each coil section ships separately) to minimize rigging and freight costs.
Contact your local BAC Representative for more information. For the dimensions and weights of a specific unit or section, refer
to the submittal drawings.
: To prevent bodily injury or property damage, only qualified personnel qualified should
undertake the installation, operation, maintenance, and repair of this equipment. Proper care, procedures, and tools
must be used in handling, lifting, installing, operating, maintaining, and repairing this equipment

FXV3/CXVT Rigging & Assembly Instructions –Introduction Page | 8
Pre-Rigging Checks
When the unit is delivered to the jobsite, it should be checked 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 (if applicable for the unit’s configuration):
Sheaves and Belts
Interior Surfaces
Bearings
Exterior Surfaces
Bearing Supports
Louvers/Combined Inlet Shields
Fan Motor(s)
Spray Water Pumps
Fan Guard(s)
Mating Surfaces Between Sections/Modules
Fan(s) and Fan Shaft(s)
Miscellaneous Items: All bolts, nuts, washers, and sealer
tape required to assemble sections or component parts are
furnished by BAC and shipped with the unit.
Float Valve Assembly(s)
Water Distribution System
Coil Surface
Cold Water Basin
Accessories
Unit Weights
Before rigging any unit, the weight of each section should be verified from the unit submittal drawing. Unit print weights include
the final assembled unit with all accessories.
: Equipment damage may occur if water, snow, ice, or debris has collected in the basin or
elsewhere in the unit. Such accumulations will add substantially to the equipment’s lifting weight placing equipment
at risk of damage that could result in injury. Before an actual lift is undertaken, ensure no water, snow, ice, or debris
has collected in the basin or elsewhere in the unit.
Anchoring
Seven-eighths inch (7/8”) diameter holes are provided in the bottom flange of the basin section for bolting the unit to the
support beams. Refer to the suggested support drawing included in the submittal for location and quantity of the mounting
holes. The unit must be level for proper operation. Anchor bolts must be provided by others. The IBC rating is 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 Representative for details.
: Equipment damage may occur if the unit is not properly anchored before operation begins.
Equipment damage could result in death or serious injury. Ensure unit is properly anchored before operation beings.

FXV3/CXVT Rigging & Assembly Instructions –Introduction Page | 9
Cold Weather Operation
These products must be protected by mechanical and operational methods against damage and/or reduced effectiveness
due to possible freeze-up. Refer to the FXV and FXV3 Closed Circuit Cooling Tower CXVB and CXVT Evaporative
Condenser Operation & Maintenance Manual at www.BaltimoreAircoil.com or contact your local BAC Representative for
recommended protection alternatives.
Placement
All evaporative cooling equipment must be placed in a location that ensures an adequate supply of fresh air into the 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 redirected back to the air intakes. Each unit must be positioned to prevent the introduction of discharge air into the
ventilation systems of the building on which the unit is located and of adjacent buildings. For detailed recommendations on BAC
equipment layout, see our website at www.BaltimoreAircoil.com or contact your local BAC Representative.
NOTICE: Each unit must be located and positioned to prevent the introduction of discharge air into the
ventilation systems of the building on which the unit is located and of adjacent buildings.
Warranties
Please refer to the Limitation of Warranties (located in the submittal package) applicable to and in effect at the time of the sale/
purchase of these products.
Unit Operation
Prior to start-up and unit operation, refer to the unit operation & maintenance manual shipped with the unit and also available
at www.BaltimoreAircoil.com.

FXV3/CXVT Rigging & Assembly Instructions –Unit Rigging & Assembly Page | 10
3. Unit Rigging & Assembly
Rigging
NOTICE: For weight information, refer to the submittal drawing package.
NOTICE: All single-cell and multi-cell units must be rigged one section at a time.
: Failure to use appropriate lifting equipment can result in a dropped load, causing severe injury,
death, and/or property damage. Lifts must be performed by qualified riggers following BAC published Rigging
Instructions, and generally accepted lifting practices. The use of a supplemental safety sling may also be required if the
lift circumstances warrant its use, as determined by the rigging contractor.
Refer to Table 1 and Figure 1, Figure 2, and Figure 3 for each section’s required minimum spreader bar length W1
and the recommended minimum vertical dimension “H”.
Model Number
Lower Section
Plenum Section
Coil Section
H
W1
H
W1
H
W1
FXV3-1224-xxx
20’
12’
20'
12’
16’
12’
FXV3-1426-xxx
20'
14’
22'
14’
16’
14’
CXVT-x-1224-x, XECXVT-1224-x,
CXVT-x-2424-x, XECXVT-2424-x
20’
12’
20'
12’
16’
12’
CXVT-x-1426-x, XECXVT-1426-x,
CXVT-x-2826-x, XECXVT-2826-x
20'
14’
22'
14’
16’
14’
Table 1. Minimum Vertical Dimension and Spreader Bar Length for FXV3 and CXVT Units
FXV3 Model
Number
Nominal
Box Size
Coil Module
Height
FXV3-1224-20x-xx
12’ x 24’
Short
FXV3-1224-24x-xx
12’ x 24’
Short
FXV3-1224-28x-xx
12’ x 24’
Tall
FXV3-1224-30x-xx
12’ x 24’
Tall
FXV3-1224-32x-xx
12’ x 24’
Tall
FXV3-1224-36x-xx
12’ x 24’
Tall
FXV3-1426-20x-xx
14’ x 26’
Short
FXV3-1426-24x-xx
14’ x 26’
Short
FXV3-1426-28x-xx
14’ x 26’
Tall
FXV3-1426-30x-xx
14’ x 26’
Tall
FXV3-1426-32x-xx
14’ x 26’
Tall
FXV3-1426-36x-xx
14’ x 26’
Tall
Table 2. FXV3 Nominal Box Size & Coil Module Height by Model Number