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PTE Open Cooling Towers

OPERATING AND MAINTENANCE INSTRUCTIONS

MPTEv11EN

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Summary of Contents for PTE

Page 1: ...PTE Open Cooling Towers OPERATING AND MAINTENANCE INSTRUCTIONS MPTEv11EN...

Page 2: ...eafter in accordance with recognized 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 correctiv...

Page 3: ...eaning X X X Disinfection X X X Drain basin X depends on applied code of practice Notes 1 Water treatment and auxiliary equipment integrated in the cooling system may require additions to the table ab...

Page 4: ...e 9 Biological control 11 Chemical treatment 12 Passivation 12 4 Cold Weather Operations 13 About cold weather operation 13 Protection against sump water freezing 13 Capacity control 13 FRP propeller...

Page 5: ...ical section 1 Fan guard 2 Axial fan 3 Drive system 4 Eliminators 5 Water distribution system 6 Fill 7 Combined inlet shields 8 Cold water basin 9 Water outlet connection 10 Drain 11 Overflow 12 Strai...

Page 6: ...xternal pipework The equipment outlet piping must be installed under the operating level of the equipment to prevent air suction and pump cavitation Suction pipe sizing should be done according to goo...

Page 7: ...rol device steps must be taken to avoid operating at or near to the fan s critical speed For more information consult your local BAC Balticare representative ELECTRICAL SAFETY All electrical component...

Page 8: ...cal applicable laws and regulations If the proper and required access means are not present temporary structures need to be foreseen Under no circumstance can one use parts of the unit that are not de...

Page 9: ...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 10: ...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 50 to 600 mg l Total alkalinity as...

Page 11: ...down Evaporation loss Cycles of concentration 1 The evaporation loss is not only function of the heat load but also depends on climatic conditions the type of equipment used and the method of capacity...

Page 12: ...de regular monthly monitoring of the circulating and make up water quality 5 If it is proposed to operate a treatment programme outside the BAC Water Quality Control Guidelines the BAC factory warrant...

Page 13: ...ddition to protecting the sump water all exposed water piping in particular make up water lines should be heat traced and insulated It is necessary to prevent the recirculating water from approaching...

Page 14: ...o prevent bearing damage on fan motors CAUTION Refer to fan motor nameplate data when programming a VFD The purpose of a low level cut out switch for pump protection is to protect the pump from runnin...

Page 15: ...iment can become corrosive and cause deterioration of the metallic basin fittings When flushing the basin the strainers should be left in place to prevent the sediment from re entering the unit system...

Page 16: ...ation and wrapping of float ball As the water circulating through the unit is cooled it collects in the cold water basin and passes through the strainers into the system The operating water level is c...

Page 17: ...ing fill the sump with water until 2 cm above operating level Adjust the wing nuts of the float ball so that the make up valve is completely closed Before starting the unit for the first time fill the...

Page 18: ...clean Also ensure that control and safety devices such as low level cut out switches are operational clean and properly incorporated into the control circuit CAUTION Sump heaters can be hot DRIVE SYST...

Page 19: ...ating the motor base adjustment screw Check belt tension as follows 1 Shut off fan s 2 Rotate the fan sheave half a turn to evenly distribute the tension in the belt before measuring 3 Check belt tens...

Page 20: ...24 hours operation If belt tensioning is required please proceed as follows 1 Loosen the lock nuts on the motor base adjusting screws 2 Turn the motor base adjusting screws clockwise to tension the be...

Page 21: ...edure See figure below 1 Stop fan s and remove side access panel s 2 Remove the drift eliminators through the sliding access doors 3 Loosen the set screw 4 Using a drift pin centre punch tap the colla...

Page 22: ...nctioning 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 requi...

Page 23: ...oper fit 2 If any of the above problems have been observed stop fan s and pump s and remove eliminators 3 Clean eliminators from debris and foreign matter Remove dirt and obstructions Replace damaged...

Page 24: ...water and will reduce the suction of large airborne impurities and debris In addition they will prevent water from splashing out of the air intake side of the unit during fan cycling Inspect regularly...

Page 25: ...nit Orientation of the combined inlet shield 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...

Page 26: ...der and fan guard and these should be inspected for Fan blade tip clearance Pitch angle Bolt torque Excessive vibration Deterioration of fan assembly Correct or adjust if necessary Before any disassem...

Page 27: ...of motor for corrosion If the motor is equipped with space heaters these must be activated when the motor is idle in order to prevent condensation inside the motor CAUTION Do not run start the fan mo...

Page 28: ...grease guns since they may rupture the bearing seals When lubricating purge the old grease from the bearing by gradually adding grease until a bead of new grease appears at the seal In particular when...

Page 29: ...er jet and install 10 Remove debris from access doors and panels with soft brush and soap water 11 Close drain and open make up supply Fill system up to overflow level with clean water DISINFECTION Di...

Page 30: ...A proper regularly monitored biocide programme reduces the need for cleaning and disinfection actions significantly W W W B A L T I M O R E A I R C O I L E U 30...

Page 31: ...pray distribution branch grommets Set of belts if applicable Baltiplus Baltibond repair touch up kits Insist on factory authorised parts to avoid loss of efficiency or an operational risk which may oc...

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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