Baltimore Aircoil Company VFL 241-H Operating And Maintenance Instructions Manual Download Page 1 | Manualshive

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VFL Closed Circuit Cooling Towers

OPERATING AND MAINTENANCE INSTRUCTIONS

MVFLv19EN

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Summary of Contents for VFL 241-H

Page 1: ...VFL Closed Circuit Cooling Towers OPERATING AND MAINTENANCE INSTRUCTIONS MVFLv19EN...

Page 2: ...nized Codes of Practice such as EUROVENT 9 5 6 ACOP HSC L8 Guide des bonnes pratiques Legionella et tours a ror frig rantes etc Water sampling test results and corrective actions should be recorded in...

Page 3: ...epends on applied code of practice Notes 1 Water treatment and auxiliary equipment integrated in the cooling system may require additions to the table above Contact suppliers for recommended actions a...

Page 4: ...14 Passivation 14 Overflow connection 15 4 Cold Weather Operations 16 About cold weather operation 16 Protection against sump water freezing 16 Capacity control 16 Protection against coil freezing 17...

Page 5: ...W B A L T I M O R E A I R C O I L E U 5 CONSTRUCTION DETAILS 1 Casing 2 Water distribution section 3 High efficiency drift eliminators 4 Forward curved centrifugal fan 5 Fan shaft and bearing 6 Fan mo...

Page 6: ...for an ambient temperature range from 25 C to 40 C Design pressure max 10 bar Fluid inlet temperature max 82 C Fluid outlet temperature min 10 C Fluids circulated through the inside of the coils must...

Page 7: ...stem volume per year If the annual make up of the closed system is greater than 15 yearly or if highly corrosive water such as water with very low hardness or alkalinity is used it is recommended to c...

Page 8: ...ith extra care to prevent accidents CAUTION Do not cover units with PVC eliminators with a plastic tarpaulin Temperature increase due to sun radiation could deform the eliminators AUTHORIZED PERSONNEL...

Page 9: ...ent of refrigerants if applicable oil and other parts must be done with respect to the environment whilst protecting workers from potential risks related to exposure to harmful substances National and...

Page 10: ...event of any such defect BAC will repair or provide a replacement For more details please refer to the Limitation of Warranties applicable to and in effect at the time of the sale purchase of these p...

Page 11: ...thereafter Moreover there must be an ongoing programme of monitoring in place to ensure the water treatment system is maintaining the water quality within the control guidelines Check and adjustments...

Page 12: ...owed provided the sum of chlorides sulfates parameters does not exceed 650 mg l for Baltibond SST304L Baltiplus protection pH 6 5 to 9 0 pH during initial passivation Below 8 2 Total hardness as CaCO3...

Page 13: ...ation of sulphates is allowed provided the sum of chlorides sulphates parameters does not exceed 650 mg l for SST304L and 1500 mg l for SST316L For Ozone water treatment application Stainless steel 31...

Page 14: ...which may cause corrosion Preferably the water treatment chemicals should be fed into the cooling system at the discharge of the recirculation pump The chemicals should not be fed in concentrated for...

Page 15: ...secondary approach is to conduct a chemical passivation using inorganic phosphate or film forming passivation agents Consult your water treatment specialist for specific recommendation Overflow connec...

Page 16: ...from wet to dry operation as the sump water is protected at all times For dry operation applications ensure that make up water line is shut off and make up valve completely drained Thermostats for el...

Page 17: ...ct the pump from running dry in case of make up failure or extreme water loss The status of the alarm can be checked prior to pump start up but should not be considered during the first minute after s...

Page 18: ...If the process load is extremely light or shut off it may be necessary to apply an auxiliary heat load during freezing conditions Consult your local BAC Balticare representative for advice if these c...

Page 19: ...M VFL 484 M 23 0 27 2 30 5 30 5 33 8 13 8 14 5 15 2 15 2 15 9 VFL 721 L VFL 721 M VFL 721 O VFL 722 N VFL 722 O VFL 723 L VFL 723 O VFL 724 O 7 9 40 1 40 1 40 1 46 4 46 4 51 5 51 5 56 6 17 8 17 8 17 8...

Page 20: ...r the basin has been flushed the strainers should be removed cleaned and replaced before refilling the basin with fresh water CAUTION Do not use acid to clean the strainers Remote Basin The water leve...

Page 21: ...height from sump bottom to water level and compare with face value from table 4 Check valve for leakage and replace valve if necessary 5 Check that float arm can move freely and that float ball floats...

Page 22: ...ine ensure that the valve is unobstructed and that blow down water can drain freely Measure the blow down flow rate by recording the time needed to fill a given volume For automatic blow down using co...

Page 23: ...ing 3 Check belt tension by verifying both following conditions The deflection amounts 10 mm m free belt length see figure below The deflection force required is between the minimum and maximum values...

Page 24: ...nsioned re tighten the locking nuts on the motor base adjusting screws There should be no chirp or squeal when the fan motor is started DRIVE ALIGNMENT Proper drive alignment ensures maximum belt life...

Page 25: ...nd pumps must rotate in the correct direction which is indicated by arrows on the equipment Check proper functioning as follows 1 Stop fan s and pump s 2 Turn the fan by hand to ensure rotation withou...

Page 26: ...of mechanical components or operational problems e g unwanted ice formation If this occurs a thorough inspection of the entire unit followed by immediate corrective action is needed If required consul...

Page 27: ...ly in parallel to it Selecting a coil cleaner is important since the cleaner must neutralise and remove deposits on the surface of the coil BAC does not recommend the use of alkaline and acidic coil c...

Page 28: ...art fan s and pump s Nozzle spray distribution type FAN SHAFT The exposed areas of the fan shaft are coated with a soft seal for added corrosion protection It is recommended that the coating be inspec...

Page 29: ...correctly Lubrication FAN SHAFT BEARINGS The fan shaft is supported by ball bearings see figure below Under normal operating conditions the bearings should be greased every 2000 operating hours or at...

Page 30: ...C Total Fina Elf Multis 3 20 C to 120 C Grease products ADJUSTABLE MOTOR BASE The motor base adjusting screw see figure below should be coated every six months using a good quality corrosion inhibiti...

Page 31: ...ocal or national guidance also recommends disinfection prior to initial start up after a prolonged shut down after routine cleaning operations or when significant alterations have been made to the coo...

Page 32: ...parts are used Prolonged outdoor stay Should the unit s be stored outside prior to installation and or start up for approximately one month shelf life or longer or stored in severe climates it is imp...

Page 33: ...ecomaf 2002 30p Guide des Bonnes Pratiques Legionella et Tours A ror frig rantes Minist res de l Emploi et de la Solidarit Minist re de l Economie des Finances et de l Industrie Minist re de l Environ...

Page 34: ...W W W B A L T I M O R E A I R C O I L E U 34...

Page 35: ...W W W B A L T I M O R E A I R C O I L E U...

Page 36: ...W W W B A L T I M O R E A I R C O I L E U...

Page 37: ...W W W B A L T I M O R E A I R C O I L E U...

Page 38: ...AGE EVAPORATIVE CONDENSERS HYBRID PRODUCTS PARTS EQUIPMENTS SERVICES www BaltimoreAircoil eu info BaltimoreAircoil eu Please refer to our website for local contact details Industriepark Zone A B 2220...

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