Baltimore Aircoil Company VT1 Series Operating And Maintenance Instructions Manual Download Page 31 | Manualshive

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Summary of Contents for VT1 Series

Page 1: ...VT0 Open Cooling Towers VT1 Open Cooling Tower OPERATING AND MAINTENANCE INSTRUCTIONS MVTv09EN...

Page 2: ...d 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 the...

Page 3: ...auxiliary equipment integrated in the cooling system may require additions to the table above Contact suppliers for recommended actions and their required frequency 2 Recommended service intervals ar...

Page 4: ...mical treatment 12 Passivation 12 Overflow connection 12 4 Cold Weather Operations 13 About cold weather operation 13 Protection against sump water freezing 13 Capacity control 13 5 Maintenance Proced...

Page 5: ...nection 4 Casing 5 Wet deck surface 6 Spray nozzles 7 Spray branches 8 Fan housing 9 Fan screen 10 Forward curved centrifugal fans 11 Air inlet vanes not shown 12 Fan shaft bearings 13 Motor base adju...

Page 6: ...on rails or springs the piping must contain compensators to eliminate vibrations carried through the external pipework The equipment outlet piping must be installed under the operating level of the eq...

Page 7: ...and access doors in place closed and properly secured When the equipment is operated with a variable fan speed control device steps must be taken to avoid operating at or near to the fan s critical s...

Page 8: ...rfaces Access to and maintenance of any component needs to be performed in accordance with all local applicable laws and regulations If the proper and required access means are not present temporary s...

Page 9: ...ereafter 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 of...

Page 10: ...he coil is required During this period both the pH and the hardness of the spray water will have more stringent requirements The pH must be kept between 7 and 8 2 and the hardness must be kept between...

Page 11: ...g water compared to the dissolved solids concentration in the make up water The blow down rate can be calculated as follows Blow down Evaporation loss Cycles of concentration 1 The evaporation loss is...

Page 12: ...mme outside the BAC Water Quality Control Guidelines the BAC factory warranty may be invalidated if the water quality is persistently outside the Control Guidelines unless specific prior written BAC a...

Page 13: ...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 freezin...

Page 14: ...he purpose of a low level cut out switch for pump protection is to protect 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 pu...

Page 15: ...he sediment from re entering the unit system After 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 t...

Page 16: ...t are indicated in the tables below Model Operating height measured from pan bottom mm VT0 0312 xxx 340 VT0 0412 xxx 420 VT1 74xx xxx 430 VT1 08xx xxx 460 VT1 10xx xxx 460 VT1 12xx xxx 350 Operating h...

Page 17: ...e up valve assembly 1 Float ball 2 All threaded rod 3 Wing nut 4 Float arm assembly 5 Float valve CAUTION Supply pressure for mechanical make up valves should be between 1 and 3 5 bar To make the init...

Page 18: ...levels which are favourable to bacteriological growth Ensure every six months the heater thermostat is properly set and clean Also ensure that control and safety devices such as low level cut out swit...

Page 19: ...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 belt or counter clock...

Page 20: ...the bearing at the drive end ensures that the inner bearing race is secured to the fan shaft Locking collars can be set using the following procedure See figure below 1 Stop fan s and remove side acc...

Page 21: ...12 02 29 4 19 6 3 16 VT1 1012 03 29 4 19 6 3 16 VT1 1018 01 29 4 19 6 3 16 VT1 1018 02 29 4 19 6 3 16 VT1 1018 03 29 4 19 6 3 16 VT1 1212 01 29 4 19 6 3 16 VT1 1212 02 29 4 19 6 3 16 VT1 1212 03 29 4...

Page 22: ...should be 1 Mega Ohm 1 000 000 Ohms 2 Thermistors if fitted should be checked for continuity with a multi meter but never Megger tested 3 Ensure supply voltage and frequency correspond to the motor na...

Page 23: ...eaned of slimes and other organic contamination Refill system with water and apply biocide shock treatment Check pH value and functionality of ongoing biocide treatment HEAT TRANSFER SECTION The inspe...

Page 24: ...in figure s below 5 Shut off pump s and clean water distribution from dirt and debris Ensure spray branches and nozzles are in place and clean Replace damaged or missing nozzles 6 Install eliminators...

Page 25: ...NAL The electric water level control package optional maintains a constant water level in the cold water sump independent of cooling load changes and water supply pressure variations Ensure every six...

Page 26: ...nce 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 extended lubr...

Page 27: ...ut off make up supply 2 Remove screens eliminators access panels doors and drain system Do not remove sump strainer 3 Clean debris from exterior and fan s with soft brush if necessary use water and so...

Page 28: ...and disinfection staff Typically disinfection is achieved using a sodium hyper chloride solution to maintain a residual value of 5 15 mg l of free chlorine and circulate this around the system for up...

Page 29: ...stribution branch grommets Set of belts Baltiplus Baltibond repair touch up kits Insist on factory authorised parts to avoid loss of efficiency or an operational risk which may occur when non authoris...

Page 30: ...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 Gemeenschap D...

Page 31: ...W W W B A L T I M O R E A I R C O I L E U...

Page 32: ...W W W B A L T I M O R E A I R C O I L E U...

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: ...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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