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BAC FXVT 288 Series, Инструкция по эксплуатации и техническому обслуживанию

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Содержание FXVT 288 Series

Страница 1: ...FXVT Closed Circuit Cooling Towers OPERATING AND MAINTENANCE INSTRUCTIONS MFXVTv06EN...

Страница 2: ...ter 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 corrective a...

Страница 3: ...Mechanical cleaning X X X Disinfection X X X Drain basin and pump X depends on applied code of practice Notes 1 Water treatment and auxiliary equipment integrated in the cooling system may require add...

Страница 4: ...14 Passivation 14 4 Cold Weather Operations 16 About cold weather operation 16 Protection against sump water freezing 16 Capacity control 16 Protection against coil freezing 17 5 Maintenance Procedure...

Страница 5: ...I L E U 5 CONSTRUCTION DETAILS 1 Spray water distribution system 2 Fan guard 3 Fan 4 Fan motor 5 Coil 6 Combined inlet shields 7 Cold water basin 8 Wet deck surface with integral drift eliminators 9...

Страница 6: ...galvanized steel for cleanable coil option Maximum spray pressure 14 kPa If pump s are installed by others it is recommended to install a pressure gauge at the inlet of the water distribution system S...

Страница 7: ...ty as CaCO3 0 500 mg l 0 500 mg l Conductivity 3300 S cm 4000 S cm Chlorides 250 mg l 750 mg l Total suspended solids 10 mg l 10 mg l COD 50 ppm 50 ppm In all cases regardless of the material of const...

Страница 8: ...personnel authorized and qualified to do so All such personnel should be thoroughly familiar with the equipment the associated systems and controls and the procedures set forth in this and other relev...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 15: ...o still require the proper passivation procedure as described here in this section In case you can t keep the pH below 8 2 a secondary approach is to conduct a chemical passivation using inorganic pho...

Страница 16: ...ump Drainage of the sump and pump will also be needed if dry operation is anticipated even if sump heaters are installed These heaters will NOT prevent sump water from freezing during dry operation at...

Страница 17: ...provide sinus filters on the VFD to prevent bearing damage on fan motors and premature wear due to fretting on couplings CAUTION Refer to fan motor nameplate data when programming a VFD The purpose of...

Страница 18: ...e if these conditions cannot be met Draining of the coil s is not recommended as a normal method of freeze protection unless the coil s are constructed from stainless steel or are of the cleanable typ...

Страница 19: ...nt 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 Af...

Страница 20: ...the make up water supply pressure Because the typical winter load is less than the summer load the winter evaporation rate is frequently less than the summer evaporation rate With this reduced evapor...

Страница 21: ...s blow down with a metering valve in the bleed line 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...

Страница 22: ...s the drive has been tensioned and aligned at the factory Also in this case it is recommended to always check drive alignment and belt tensioning If equipment was supplied completely knocked down KD t...

Страница 23: ...ollowing conditions The deflection amounts 10 mm m free belt length see figure below The deflection force required is between the minimum and maximum values given in the table below CAUTION Fan has to...

Страница 24: ...g 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 for standard drives after correct belt t...

Страница 25: ...hat there are no visible leaks The standard oils provided in BAC gear drive systems are mineral oils Synthetic lubricants are also available as an option Refer to the unit nameplate for the oil type p...

Страница 26: ...speed is increased or decreased This noise is not indicative of a defect but results when the vibratory torque exceeds the drive torque causing the gear teeth to clash together very rapidly On variabl...

Страница 27: ...bration are the result of malfunctioning of mechanical components or operational problems e g unwanted ice formation If this occurs a thorough inspection of the entire unit followed by immediate corre...

Страница 28: ...g 2 Check and adjust spray pressure if required not applicable for coil models with standard pumps 3 Check to see if the nozzles are spraying consistently and producing the spray pattern shown in the...

Страница 29: ...stall tie rod 6 The supporting steel strip does not need to be reinstalled because it is only required for safe transport purposes 7 Make sure the profile of the combined inlet shields keeps the water...

Страница 30: ...dium 2 The removal of any surface corrosion with emery cloth 3 The re coating of the shaft with soft seal Fan shaft AXIAL FAN Due to its size and speed the axial fan has great potential for injury and...

Страница 31: ...quarterly to ensure proper motor cooling After prolonged shutdowns the motor insulation should be checked with a Megger insulation tester before restarting the motor Do not wash down the motor unless...

Страница 32: ...re Under normal operating conditions the bearings should be greased every 1000 operating hours or at least every three months The bearings should be lubricated with one of the following water resistan...

Страница 33: ...ears at the seal GREASE PRODUCTS Shell Alvania grease RL3 20 C to 120 C Texaco Multifak Premium 3 30 C to 140 C Kl ber Isoflex LDS Special A 50 C to 120 C Mobil Mobilith SHC 100 40 C to 175 C Total Fi...

Страница 34: ...provisions for an internal oil reservoir heater Heaters and synthetic oil are extra cost accessories and can be ordered with new units or may be ordered and installed in existing units The vertical a...

Страница 35: ...ear drive components therefore any synthetic lubricant not listed in this manual should not be used without first consulting Baltimore Aircoil International nv CHANGE INTERVAL The original oil should...

Страница 36: ...uncontrolled bacteriological growth The recommended cleaning procedures are described below 1 Disconnect fan and pump motor s and shut off make up supply 2 Remove combined inlet shields eliminators an...

Страница 37: ...ult your BAC Balticare representative for further information Excessive levels of chlorine must be avoided as this quickly can lead to corrosion and damage to your system Chlorinated water should be d...

Страница 38: ...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 longer or stored in severe clim...

Страница 39: ...comaf 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 Environn...

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Страница 44: ...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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