BAC HFL 36 Series User Manual Download

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HFL Hybrid Closed Circuit Cooling Tower

OPERATING AND MAINTENANCE INSTRUCTIONS

MHFLv14EN

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Summary of Contents for HFL 36 Series

Page 1: ...HFL Hybrid Closed Circuit Cooling Tower OPERATING AND MAINTENANCE INSTRUCTIONS MHFLv14EN...

Page 2: ...ecognized 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 recorde...

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: ...t 16 Passivation 16 Overflow connection 17 4 Cold Weather Operations 18 About cold weather operation 18 Protection against sump water freezing 18 Capacity control 18 Protection against coil freezing 1...

Page 5: ...1 Construction Details 1 Construction Details W W W B A L T I M O R E A I R C O I L E U 5 CONSTRUCTION DETAILS HFL 1...

Page 6: ...14 Fan motor 15 Fan motor adjustment screw 16 V belt drive system 17 Strainer 18 Access door rectangular 19 Access door circular 20 Make up 21 Electrical water level control 22 Water bleed line 23 Sp...

Page 7: ...lectrical motors are suitable 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...

Page 8: ...te lower than 15 of system 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...

Page 9: ...ctivated during the dry wet and the adiabatic operating mode Therefore the cold water basin is filled with water at all time 2 Winter period during this period only the dry operating mode is applied a...

Page 10: ...th 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 11: ...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 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...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 18: ...ular make up water lines should be heat traced and insulated Spray pumps also need to be heat traced and insulated from pump suction to the overflow level if they can be exposed to sub freezing ambien...

Page 19: ...p since activation of the pump can cause a water level drop that might trigger the alarm Normal make up will stabilize the water level after a short period of time In case the low level alarm signals...

Page 20: ...ommended as a normal method of freeze protection unless the coil s are constructed from stainless steel or are of the cleanable type For standard hot dip galvanized coils draining is ONLY acceptable a...

Page 21: ...rainers OPERATING LEVEL The electric water level control package maintains a constant water level in the cold water sump independent of cooling load changes and water supply pressure variations Ensure...

Page 22: ...n the belt before measuring 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 mi...

Page 23: ...ocking 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 Alignment is checked fo...

Page 24: ...truction and both fans and 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 t...

Page 25: ...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 consult your local BAC Baltica...

Page 26: ...urface of the fin but only 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 al...

Page 27: ...zle 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 inspected for continuity quart...

Page 28: ...should be greased every 2000 operating hours or at least every six months The bearings should be lubricated with one of the following water resistant inhibited greases or an equivalent which are good...

Page 29: ...recommended for lubricating the fan shaft bearings Adjustable motor base 1 Motor base slides 2 Adjusting screw Cleaning procedures MECHANICAL CLEANING Keeping your evaporative cooling equipment and t...

Page 30: ...nt alterations have been made to the cooling system Disinfection must be carried out in accordance with a proper procedure and take into account the safety of the cleaning and disinfection staff Typic...

Page 31: ...al risk which may occur when non authorised 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 lo...

Page 32: ...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 Environnement Juin 2001 54p Voorkom Legionellose Minsterie van de Vlaamse Ge...

Page 33: ...W W W B A L T I M O R E A I R C O I L E U...

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

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: ...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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