BAC 3240C Operation & Maintenance Manual Download Page 18

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Model Number
Standard Fan (Motor HP)

Gear Model for

Standard Fan

3240C (7.5,10)

3272C (15)

3299C (20)

3333C (7.5,10,15)

3333C (20)

3358C (25)

3379C (30)

3371C (7.5,10,15)

3371C (20,25)

3393C (30)

3430C (40)

110

3412C (7.5,10,15,20,25)

3436C (30)

3455C (10,15,20,25)

3482C (30)

3527C (40)

110

3473C (10,15,20,25)

3501C (30)

110

3552C (15,20,25)

3552C (30)

110

3604C (40)

110

3648C (50)

110

3672C (60)

110

3728C (25,30,40)

110

3781C (50)

110

3828C (60)

110

3871C (75)

135

3872C (30,40,50)

110

3923C (60)

110

3970C (75)

135

3918C (30, 40, 50, 60)

110

3984C (75)

135

3985C (40,50,60)

110

31056C (75)

135

31133C (100)

155

3583C (20,25)

110

3618C (30)

110

3676C (40)

110

3725C (50)

110

3719C (60)

110

31132C (40)

110

31132C (50,60)

135

31132C (75)

155

31186C (100)

175

31130C (40)

110

31130C (50, 60)

135

31130C (75)

155

31212C (100)

175

31213C (50,60)

135

31213C (75)

155

31301C (100)

175

Table 4.

Gear Model/Unit for Standard Fans

NOTE:

For projects with whisper

quiet fans, please contact your local
BAC Representative.

Table 5.

Gear Model/Unit for Low Sound Fans

Model Number Low Sound
Fan (Motor HP)

Gear Model for

Standard Fan

3240C (7.5,10)

3272C (15)

3299C (20)

3333C (7.5,10,15,20)

3358C (25)

3379C (30)

3371C (7.5,10,15,20,25)

3393C (30)

3430C (40)

110

3412C (7.5,15)

3412C (10,20,25)

110

3436C (30)

110

3455C (10,20,25)

110

3455C (15)

3482C (30)

110

3527C (40)

110

3473C (10)

3473C (15)

135

3473C (20,25)

110

3501C (30)

110

3552C (15)

135

3552C (20,25,30)

110

3604C (40)

135

3648C (50)

135

3672C (60)

135

3728C (25)

110

3728C (30,40)

135

3781C (50)

135

3828C (60)

155

3871C (75)

155

3872C (30,40,50)

135

3923C (60)

155

3970C (75)

155

3918C (30, 40, 50)

135

3918C (60)

155

3984C (75)

155

3985C (40,50)

135

3985C (60)

155

31056C (75)

155

31133C (100)

175

3583C (20,25)

135

3618C (30)

135

3676C (40)

135

3725C (50)

135

3719C (60)

155

31132C (40,50,60,75)

175

31186C (100)

175

31130C (40, 50, 60, 75)

175

31212C (100)

175

31213C (50,60,75)

175

31301C (100)

175

Summary of Contents for 3240C

Page 1: ...OPERATION MAINTENANCE MANUAL Series 3000 Cooling Tower...

Page 2: ...and check unit for unusual noise or vibration Inspect cold and hot water basins Flush water distribution system Inspect spray nozzles Drain basin and piping Inspect air intake louvers Combined inlet s...

Page 3: ...Requirements 24 Passivation 25 Long Term Care of Stainless Steel PART 4 Bleed Rate 26 Bleed Rate PART 5 Cold Weather Operation 28 Inspection Maintenance 28 Fan Section Icing Protection 29 Basin Water...

Page 4: ...ng machinery are potential hazards particularly for those not familiar with their design construction and operation Accordingly use appropriate lockout procedures Adequate safeguards including the use...

Page 5: ...It is important to rinse the surface with warm water and wipe with a dry cloth after cleaning Neglected damaged areas on the Whisper Quiet Fan can result in the attack of the glass fiber layers a pro...

Page 6: ...g weight from the unit Verify the fan and system pump motors are disconnected locked out and tagged out BALTIDRIVE Power Train Hot Water Basin and Cover Cold Water Basin Fan Deck Air Intake Louvers Fa...

Page 7: ...see Figures 4a and 4b on page 12 and the fan shaft bearings see page 17 At initial start up bearings are factory lubricated prior to shipment However if the unit has been idle for more than three mon...

Page 8: ...fan cowl Run the fan in manual mode for several minutes to check for any unusual noise or vibrations For the BALTIGUARD Fan System BALTIGUARD PLUS Fan System or 2 speed motors check that the starter i...

Page 9: ...rage Spray coat electrical component housings if supplied with a suitable protective coating such as Cosmoline Weathershed and individually cover them with plastic taking care to leave openings for fr...

Page 10: ...blades are tight and that there is no obvious corrosion between the hub and the fan blade Inspect the rust preventative coating on all motor external machined surfaces including shaft extensions mont...

Page 11: ...31186C 19 1 4 1 9 3 4 3473C 3501C 14 1 4 8 3 4 31130C 31212C 19 7 8 1 9 3 4 3552C 3604C 3648C 3672C 15 3 4 9 3 4 31213C 31301C 20 1 2 1 9 3 4 3728C 3781C 3828C 3871C 18 1 2 9 3 4 The operating water l...

Page 12: ...an blades for looseness first by twisting the blade by hand and then by moving the blade tip up and down There should be no play or slippage Inspect each blade for excessive scale build up that could...

Page 13: ...l position for several minutes and check for any unusual noises or vibration Fan Drive System BALTIDRIVE Power Train BALTIGUARD and BALTIGUARD PLUS Fan System The BALTIDRIVE Power Train consists of a...

Page 14: ...rew Turn the motor base adjusting screw clockwise to tension the belt or counterclockwise to relieve belt tension During adjustment of the belt tension rotate the drives several times by hand to evenl...

Page 15: ...lug Refill the gear drive through the oil fill elbow with the recommended type and amount of lubricant Table 3 page 15 Refer to Figure 5 for locations of these components Inspection Maintenance Mainta...

Page 16: ...n the outside of the gear drive at least quarterly Prolonged Shutdown Follow the procedures below when a gear drive will not be used for a prolonged period of time including seasonal shutdown Drain al...

Page 17: ...ceeds 180 F 82 C or the gear drive is started at an ambient temperature less than 20 F 7 C a synthetic lubricant is recommended When mineral oils are used in operation at ambient temperature less than...

Page 18: ...1213C 75 155 31301C 100 175 Table 4 Gear Model Unit for Standard Fans NOTE For projects with whisper quiet fans please contact your local BAC Representative Table 5 Gear Model Unit for Low Sound Fans...

Page 19: ...port the fan shaft Each bearing is equipped with a lubrication fitting and a slinger locking collar to keep out moisture Inspection Maintenance Only lubricate the bearings with a manual grease gun or...

Page 20: ...age or downtime Heat Transfer Section Fill Drift Eliminator The Series 3000 has PVC fill with integral drift eliminators Inspection Maintenance Inspect and clean the fill with the integral eliminators...

Page 21: ...he hot water basin covers are removed the nozzles may be cleaned If access to the nozzles under the pre distribution chamber is required remove the hardware that fastens the tabbed baffles then remove...

Page 22: ...oat in order to attain the recommended operating level Closely monitor the water level in the cold water basin and adjust the level if necessary during the first 24 hours of operation Operating at the...

Page 23: ...uses leaking tank obstructed fill defective valve or reduced flow rate Three flashes and off for 5 seconds Indicates shorted probes or high conductive water The unit will continue to operate but will...

Page 24: ...g panels for accumulation of dirt and clean them with soap and water as necessary TriArmor Corrosion Protection System Inspect components protected with the TriArmor Corrosion Protection System for si...

Page 25: ...rs are necessary which raise the allowable level of dissolved solids without the risk of scale and corrosion In cases where bleed blowdown alone is being employed for corrosion and scale control witho...

Page 26: ...referred injection point for chemical scale and corrosion inhibitors is on the discharge side of the system circulating pump s These chemicals should not be batch fed directly into the unit s cold wat...

Page 27: ...maintain the overall aesthetics of the stainless steel It is fairly simple to clean most contaminants off the surface of stainless steel Most dirt and soil can be cleaned with a clean cloth warm water...

Page 28: ...ount of recirculating water from the system This controls the cycles of concentration to maintain the quality of the recirculating water within the guidelines given in Table 3 on page 15 Replenish the...

Page 29: ...GPM Therefore in this case we must bleed approximately 1 75 USGPM to limit the concentration of impurities This example focuses on a single parameter chloride concentration of water only The bleed rat...

Page 30: ...n Section Icing Protection There are two basic operational methods which can be used to provide the system s required cooling temperature setting and fan control The method of control employed on a gi...

Page 31: ...protection is a remote sump located in a heated indoor space When the circulating pump stops the water in the connecting piping will drain by gravity to this indoor sump Basin Heaters On applications...

Page 32: ...the 1 2 drain connection of the EASY CONNECT Piping Arrangement Wire the valve in the pump circuit so the valve closes when the pump is energized Select the solenoid valve to operate with a minimum p...

Page 33: ...e for outdoor use Annually inspect the basin heater prior to the risk of reaching freezing operating conditions Operation Ensure that the heating element is completely submerged before energizing the...

Page 34: ...e connection will reset the output to non alarm state Electrical Reset and Start up Lockout Optional 1 If rated voltage is continuously applied to the reset circuit at unit start up the reset solenoid...

Page 35: ...ture low level control and isolate them Install the 1 5K ohm test resistor supplied with the heater control panel in bag on outside of cover across terminals T1 and T2 Install the heater control panel...

Page 36: ...ination Series TL Solitech CT N C NO NC T1 T2 G1 G2 Shielded Cable Assembly Sensor Probe Cord G2 G1 T2 T1 SH No 1 Heater 40 24 16 12 8 10 12 14 Size Amps Wire Total Wire Table L1 L2 L3 Switch Supplied...

Page 37: ...ich resonates with the gear drive system may result in torsional vibrations which can damage system components The most common indicator of torsional vibration is an unusual rumbling or grinding noise...

Page 38: ...ded by others to the vibration analyzer provided by others Be sure to route and fasten the wire so that it will not contact any rotating parts inside the unit when the drive system is operational Get...

Page 39: ...record the speed where the value equals 0 35 ips as the upper end of the lockout range Using this data a baseline for vibration history can be developed The vibration levels can be monitored yearly a...

Page 40: ...ket 150 lb flange weld any piping to the flange prior to installation Vulkem caulk Gasket for the outside of the cold water basin Table 6 Supplies for Installing Field Connections Figure 12 Scored Tri...

Page 41: ...nit and perform as original equipment BAC is proud to introduce Cooling Tower World the only place to purchase BAC Factory Authorized Parts online All Cooling Tower Parts are shipped second day and ca...

Page 42: ...WERS 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...

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