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1 Construction Details

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

CONSTRUCTION DETAILS

BCP2D

Fluid inlet coupling

Fluid outlet coupling

Bleed

Controller

Conductivity probe

Sampling point

Bleed valve

Insulation valve

Flow controller

10. Chemical injection

11. Pump oxidizing biocide

12. Pump scale/corrosion inhibitor

13. Chemical drum

14. Retention

15. Water meter

16. Suction tubing

17. Discharge tubing

BCP2D

Содержание BCP2D

Страница 1: ...BCP2D Automatic Dosing and Bleed Control Package INSTALLATION OPERATING MAINTENANCE MBCP2Dv02EN ...

Страница 2: ...ogical control 8 Chemical treatment 9 Passivation 9 4 Receiving and Installation 10 Receiving Equipment 10 Piping Interface Connections 11 Design Criteria 11 Installation and Anchoring 11 Electrical Wiring 14 Dosing Pumps 15 5 Controller Settings 16 Default parameters and set points 16 Programming 21 6 Operating Conditions 22 Function Overview 22 Maintenance 32 Troubleshooting 34 7 Further Assista...

Страница 3: ...id inlet coupling 2 Fluid outlet coupling 3 Bleed 4 Controller 5 Conductivity probe 6 Sampling point 7 Bleed valve 8 Insulation valve 9 Flow controller 10 Chemical injection 11 Pump oxidizing biocide 12 Pump scale corrosion inhibitor 13 Chemical drum 14 Retention 15 Water meter 16 Suction tubing 17 Discharge tubing BCP2D 1 ...

Страница 4: ...ACservice eu Safety precautions All electrical mechanical and rotating machinery constitutes a potential hazard particularly for those not familiar with its design construction and operation Accordingly adequate safeguards including use of protective enclosures where necessary should be taken with this equipment both to safeguard the public including minors from injury and to prevent damage to the...

Страница 5: ...nt should be located as far away as possible from occupied areas open windows or air intakes to buildings LOCAL REGULATIONS Installation and operation of cooling equipment may be subject to local regulations such as establishment of risk analysis Ensure regulatory requirements are consistently met Disposal requirements Dismantling of the unit and treatment of refrigerants if applicable oil and oth...

Страница 6: ...e all products to be free from manufactured defects in materials and workmanship for a period of 24 months from the date of shipment In the 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 products You can find these terms and conditions on the revers...

Страница 7: ...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 of blow down depends on the blow down device actual in use To prevent excessive build up of impurities in the circulating water a small amount of water must be bled from the system at a rate to be det...

Страница 8: ...entration in the circulating 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 not only function of the heat load but also depends on climatic conditions the type of equipment used and the method of capacity control which is applied The evaporation lo...

Страница 9: ...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 warranty may be invalidated if the water quality is persistently outside the Control Guidelines unless specific prior written BAC approval Some parameters may be exceeded under certain strict circumstances It is strong...

Страница 10: ...should be checked thoroughly for any shipping damage Make sure that all required equipment noted on the bill of lading is received Check the model and serial number against the packing list Receiving Inspection check list 1 BCP2D panel 2 chemical drums 1 water meter 1 set of 2 suction strainers and suction tubes 10 BCP2D 4 4 Receiving and Installation 4 Receiving and Installation ...

Страница 11: ... is function of the cooling system design load conditions expected operating cycle of concentration hence water usage and application for open and closed circuit evaporative cooling equipment Determination of these aspects is made by a qualified BAC representative Changes in system load which increase the bleed rate may require an increase in the size of each BCP2D Installation and Anchoring The B...

Страница 12: ...hrottle to reduce water flow during measuring cycle 3 Note The drain valve might be throttled slightly to reduce bleed water flow if the flow controller switch off during bleed cycle Make sure however sufficient bleed rate can be guaranteed at nominal operation load 4 The BCP2D is designed to handle a maximum water pressure of 60 kPa at 55 C DRUMS AND BUNDS The drums and bunds should be positioned...

Страница 13: ...d to be installed inside drum Suction head should be installed vertically Adjust tubing length accordingly Mounting detail tubing on pump head Overview pump tubing connection to drum W W W B A L T I M O R E A I R C O I L E U 13 4 Receiving and Installation 4 Receiving and Installation ...

Страница 14: ...ould be cleaned on a yearly basis Water meter reading information 1 1 rotation 1L 1 graduation 0 1 L 2 1 rotation 10L 1 graduation 1 L 3 1 rotation 1m 1 graduation 100 L 4 1 rotation 100L 1 graduation 10 L Electrical Wiring Refer to the wiring diagram of the submittal package The BCP2D is suitable for connection to networks of 110V 230V and 50 60 Hz AC POWER The BCP2D panel is pre wired and only r...

Страница 15: ...Power Dosing Pumps Dosing pumps are premounted on BCP panel and prewired to the controller Refer to specific dosing pumps operating manual supplied with the submittal package for specific questions regarding dosing pumps W W W B A L T I M O R E A I R C O I L E U 15 4 Receiving and Installation 4 Receiving and Installation ...

Страница 16: ... low alarm 200 µS cm Low Alarm 200 µS cm High Alarm 3500 µS cm HiHi Alarm Very high alarm 3500 µS cm Deadband 25 µS cm Alarm suppression none Reset Calibration values Cal Req d Alarm 365 days Smoothing factor 0 Cell Const 1 000 1 cm Cable length 6 10 m Gauge 22 awg 0 35mm Default temp 25 C Temp Comp NaCl Units µS cm Name change with language default is English Conduct Type Contacting Cond 16 BCP2D...

Страница 17: ...ge with language default is English No Flow Closed Msg change with language default is English Flow Interlock When open Alarm When open Total time When closed Reset time N A Name change with language default is English Flow switch Type DI State D2 Water meter Totalizer Alarm 0 Reset flow total Scheduled reset Disabled Volume Contact 1 I Flow units I Name change with language default is English Wat...

Страница 18: ...S1 Direction Force Lower Name change with language default is English Bleed Mode On Off R2 Inhibitor dosing based in water meter HOA Setting Auto Feed duration 00 02 00 Accum Volume 200 l Reset timer Output Time Limit 1 00 00 Reste Output Timeout Interlock channels D1 Activate with channels None Min Relay Cycle 0 sec Hand Time Limit 0 10 00 Input Watermeter D2 Name change with language default is ...

Страница 19: ...Friday Start time 8 00 00 Duration 0 15 00 Event 4 10 Inactive Bleed Bleed R1 Prebleed time 0 00 00 Prebleed to 1150 µS cm Cond Input Conduct S1 Bleed lockout 1 00 00 Interlock channels D1 Activate with channels None Min Relay Cycle 0 sec Hand time limit 0 10 00 Name change with language default is English Bio Timer Mode Biocide Timer W W W B A L T I M O R E A I R C O I L E U 19 5 Controller Setti...

Страница 20: ...th language default is English English Security Settings Controller Log Out Security Disabled Local Password Default is 5555 Display Settings Home 1 Conduct S1 Home 2 Temp S2 Adjust Display Key Beep Disabled Display Settings File Utilities Not applicable Controller Details Not applicable W W W B A L T I M O R E A I R C O I L E U 20 ...

Страница 21: ...volume to be treated Anti scale and anti corrosion dosing is made in function of the make up water quality An impulse will be given to the dosing during XX minutes YY seconds after each XXX liters of make up water Biocide will be dosed in shock during X minutes YY seconds at regular interval weekly or daily mode Pre bleed is done before dosing and bleed lock out to be made for X hours YY minutes a...

Страница 22: ...his display shows the sensor readings active alarms and a row of icons that are used to navigate to other screens KEYPAD The keypad consists of 5 ATM type keys and a Home key used to return to the summary screen The icon above the ATM keys will define its purpose on the current screen being displayed 22 BCP2D 6 6 Operating Conditions 6 Operating Conditions ...

Страница 23: ... The Page Up icon scrolls up to a new page in a list of options The Confirm icon accepts a choice and advances to the next calibration step The Back Return icon return the display to the previous screen The Make Character Higher key is used when making an alphanumeric entry The Make Character Lower key is used when making an alphanumeric entry The Move Cursor key is used to scroll left to right wi...

Страница 24: ...ng the type of sensor the units of measure of an input or the control mode used for an output the selection is picked from a list of available options Use the Page Up or Down keys to highlight the desired option and then use the Enter key to store the new option into memory or use the Back Return key to leave the option at its previous value and go back Hand Off Auto relay mode Use the left or rig...

Страница 25: ... Press the Move Cursor key to highlight the HH hour and or MM minute Use the Make Character Higher or Lower key to change the time Press the Confirm key to accept the change Inputs S1 and S2 S1 Conductivity Preprogrammed with default values by BAC see Default parameters and set points on page 16 S2 Temperatures Preprogrammed with default values by BAC see Default parameters and set points on page ...

Страница 26: ... setting for each output The Bleed R1 relay output will be highlighted Press the Settings key Press the scroll down key until the Setpoint is highlighted Press the Enter key Use the left right Higher Lower arrow key to change value if required default is 1200 Press the Confirm key to accept the change R2 Bio Timer Preprogrammed with default values by BAC see Default parameters and set points on pa...

Страница 27: ...on of each dosing Default is Monday Wednesday and Friday dosing Validate Pre bleed and Bleed lock out This functionality allows to force the bleed before dosing the biocide in the system and to block the bleed for a given time after dosing hence allowing biocide to act and prevent to be purged and dilluted Program the Pre bleed and Bleed lock out Still in the Bio Timer R2 relay output menu W W W B...

Страница 28: ...hted Default is 1 00 Hour Adjust value as required Validate R3 Scale and Corrosion Inhibitor Dosing Preprogrammed with default values by BAC see Default parameters and set points on page 16 Enter the correct values with following procedure Program the setting for each biocide dosing The inhib R3 relay output will be highlighted Press the Settings key Press the scroll down key until the Feed Durati...

Страница 29: ...MA OPTIONAL EXECUTION WHEN ORDERED This option will allow you to get the output value for the conductivity S1 Press the Settings key view of change the settings related to the analog output 4 mA Value Enter the value of the conductivity to correspond to 4 mA output signal default 0 MicroSiemens 20 mA Value Enter the value of the conductivity to correspond to 20 mA output signal default 3600 MicroS...

Страница 30: ...SB stick for using later to restore settings to this controller or to program additional controllers with the same settings as this one It takes several minutes to create the file and transfer it to the stick Remove power from the controller and insert a USB stick Press the Enter key and then press the Confirm key to transfer a file containing the controller s settings to the USB stick Restore Def...

Страница 31: ...Repeat operation with Inhib R3 Select Inhib R3 Select Utilities Select HOA Menu and switch to Hand mode Push the START button on the relevant dosing pump to allow the pump to operate The BCP is now ready to control and dose Push the START button when necessary SHUT DOWN To shut down the controller simply turn off the power Programming remains in memory For more details on controller functionality ...

Страница 32: ...ften Cleaning procedure The sensor can normally be cleaned using a cloth or paper towel and a mild detergent If coated with scale clean with a dilute 5 solution of hydrochloric acid solution for at least 1 minute Occasionally an electrode may become coated with various substances that require a more vigorous cleaning procedure Usually the coating will be visible but not always To clean a severely ...

Страница 33: ...cedure below CALIBRATE THE SENSOR To calibrate the sensor from the home page return to the list of inputs Highlight Conductivity sensor S1 Press the Enter key Press the Calibrate key Select one of the calibration routines Calibration Press the calibration key to calibrate the sensor Select the calibration to perform One point process One point buffer Open air Then remove the sensor from the first ...

Страница 34: ... the temperature is accurate Incorrect cable length or wire gauge setting Set to the correct values Faulty electrode Replace electrode ALARM MESSAGES Alarm messages will include the name of the input or output as defined in the settings menu the hardware identifying type and number S for sensor input D for digital input R for relay output A for analog input and the type of alarm High or High High ...

Страница 35: ...ify flow Change location of electrode Pre bleed set too low Check pre bleed setting Bleed valve stuck open Repair or replace bleed valve Faulty electrode Replace sensor Improper wiring of electrode Correct wiring Faulty bleed relay Replace relay Output Timeout This error condition will stop control It is caused by the output either relay of analog being activated for longer than the programmed tim...

Страница 36: ... wires shorted Disconnect short Faulty sensor Replace sensor Faulty controller Replace or repair controller Sensor fault This error indicates that the signal from the sensor is no longer valid at all This error condition will stop conductivity control Possible cause Corrective action Sensor wires shorted Disconnect short Faulty sensor Replace sensor Faulty controller Replace or repair controller I...

Страница 37: ...stère de l Environnement Juin 2001 54p Voorkom Legionellose Minsterie van de Vlaamse Gemeenschap December 2002 77p Legionnaires Disease The Control of Legionella Bacteria in Water Systems Health Safety Commission 2000 62p Hygienische Anforderungen an raumlufttechnische Anlagen VDI 6022 INTERESTING WEBSITES www BaltimoreAircoil eu www BACservice eu www eurovent certification com www ewgli org www a...

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