Spirax Sarco LC2250 Скачать руководство пользователя страница 7 | Manualshive

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IM-P402-130

EMM Issue 9

7

1.15 Disposal

On disposal of the unit or component, appropriate precautions should be taken in

accordance with Local / National regulations.

Unless otherwise stated in the Installation and Maintenance Instructions this product

is recyclable and no ecological hazard is anticipated with its disposal providing due

care is taken.

1.16 Returning products

Customers and stockists are reminded that under EC Health, Safety and Environment

Law, when returning products to Spirax Sarco they must provide information on any

hazards and the precautions to be taken due to contamination residues or mechanical

damage which may present a health, safety or environmental risk. This information

must be provided in writing including Health and Safety data sheets relating to any

substances identified as hazardous or potentially hazardous.

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Содержание LC2250

Страница 1: ...display will show the main menu structure Select End to leave the menu Once in the commissioning mode press the button to scroll through the menus to increase digits when in a menu Press the OK butto...

Страница 2: ...t all times Warning This product complies with Electromagnetic Compatibility Directive 2014 30 EU and all its requirements This product is suitable for Class A Environments e g industrial A fully deta...

Страница 3: ...en the tips and earth Each probe must be connected to an independent controller The alarm relays must isolate the boiler heat supply at low alarm status A high water alarm may be part of the water lev...

Страница 4: ...unction correctly Not used to provide electrical safety Clean earth ground Safety earth Caution risk of electric shock Caution risk of danger refer to accompanying documentation Optically isolated cur...

Страница 5: ...or other high temperature applications 1 2 Access Ensure safe access and if necessary a safe working platform suitably guarded before attempting to work on the product Arrange suitable lifting gear i...

Страница 6: ...t use of the product according to the Installation and Maintenance Instructions Where a formal permit to work system is in force it must be complied with Where there is no such system it is recommende...

Страница 7: ...providing due care is taken 1 16 Returning products Customers and stockists are reminded that under EC Health Safety and Environment Law when returning products to Spirax Sarco they must provide infor...

Страница 8: ...ork s may not be used sold licensed transferred copied or reproduced in whole or in part or in any manner or form other than as expressly granted here without the prior written consent of Spirax Sarco...

Страница 9: ...The AL button is used to test the alarm relays test the external circuits 2 4 LCD display The LCD display shows what the system is doing It indicates whether an alarm condition is present the pump is...

Страница 10: ...ws that the level is rising Water level falling pumping out Pumping out mode pump on vessel draining The moving segment display shows that the level is falling Pump off Water level between pump on pum...

Страница 11: ...cleared See Section 9 Fault finding 2 7 Equipment delivery handling and storage Factory shipment The product is tested calibrated and inspected prior to shipment to ensure reliable operation Receipt...

Страница 12: ...accept the following signals Level probe or transmitter 1 6 V or 4 20 mA Note The level probe must be long enough to sense over the complete level range A 1 K potentiometer input for Valve Motor Driv...

Страница 13: ...ead by the operator Warning The boiler control panel or enclosure doors must be kept closed at all times unless installation or maintenance work is being carried out 4 1 Environmental conditions Insta...

Страница 14: ...utout Minimum panel thickness 1 mm if the bezel is used The product has integral threaded inserts M4 x 0 7 at the top and bottom of the front panel Two M4 x 25 mm screws are provided together with fib...

Страница 15: ...IM P402 130 EMM Issue 9 15 4 2 mm 10 mm 22 mm Fig 2 Chassis plate panel cutout diagram 112 mm 67 mm 10 mm 45 mm 92 mm 22 5 mm 4 2 mm 15 mm 4 2 mm 4 2 mm 120 mm 8 mm 112 mm 120 mm...

Страница 16: ...otection devices rated at 3 amps must be included in all phase conductors of the installation wiring If overcurrent protection is included in both supply wires then the operation of one must also caus...

Страница 17: ...wire will prevent it from touching accessible parts 12 A disconnecting device switch or circuit breaker must be included in the building installation It must Have a rating with sufficient breaking cap...

Страница 18: ...ral wiring notes before attempting to wire the supply to the product 2 The wiring connections are identified on the terminal plugs 3 Fuses must be fitted in all live conductors 4 Double or reinforced...

Страница 19: ...ply Control relay Alarm 1 relay Front Back 3 A fuse Input Alarm L N See Section 5 2 Mains wiring notes 3 A fuses Input 8 7 6 5 4 2 1 3 Open Modulating control Control valve electric actuator valve mot...

Страница 20: ...rence The earth terminal must be connected to a local earth in order to conform to the EMC directive 5 4 Probe wiring The maximum cable length for all transducers is 100 m 328 ft Note It is essential...

Страница 21: ...be can be daisy chained to more than one instrument See Figure 7 50 51 52 53 54 55 51 53 54 18 19 11 12 ve ve 1 2 Another LC2250 LC2200 LT2010 LC2300 or LC2500 Building Management System Back Capacita...

Страница 22: ...the panel Each instrument must be capable of receiving a 1 6 Vdc signal Only one of the instruments needs to provide a 24 V nominal supply In Figure 7 the product is supplying the power for the capaci...

Страница 23: ...A20 and LP20 Installation and Maintenance Instructions Fig 10 Back See PA20 IMI for sensitivity selection Terminal box Flying leads supplied with the UL approved PA20 approximately 12 Brown Red Orange...

Страница 24: ...ttons are not pressed for a period of greater than 5 minutes the controller will revert back to run mode and an error will occur If the calibration was incomplete the controller may not provide the co...

Страница 25: ...lve proportional control Valve open or pump on button Commissioning mode only this button opens the valve proportional control or switches on the pump pump control 6 3 Enter commissioning Current legi...

Страница 26: ...Quick set up Commissioning examples of two typical steam boiler applications Parameter Action Lhi Set water level to top of gauge glass 100 and press the OK button Llo Set water level to bottom of gau...

Страница 27: ...4 20 mA PA420 Off or On Alarm 1 Alarm Select sets the alarm to be a low alarm or a high alarm hi or Lo Alarm 1 Alarm level Percentage Sets the alarm level as a percentage of gauge glass The hysteresis...

Страница 28: ...voltage current is displayed To exit without saving the calibration level press the button Set Point the point from which the control band is generated It is commonly though not always set halfway be...

Страница 29: ...recommendations High alarm 85 Low alarm 20 60 40 Control band 20 symmetrical about the set point Set point 50 100 Absolute maximum safe water level 0 Absolute minimum water level water must always be...

Страница 30: ...LhI Press the OK button to enter the sub menu Press the OK button for 3 seconds to enter the value 6 5 2 LLo Level low Calibrates the unit to 0 of the gauge glass Set the water level in the boiler or...

Страница 31: ...ls Note Read the Safety information in Section 1 before starting any maintenance No special servicing preventative maintenance or inspection of the product is required During installation or maintenan...

Страница 32: ...be performed in a dry clean environment 9 1 Introduction If for any reason a fault occurs on the product the instructions in this section will allow the fault to be isolated and corrected The most lik...

Страница 33: ...od of time greater than 1 minute then switches off 1 Monitor the mains supply and ensure it is continuous and within the specification limits 2 Measure the ambient temperature and ensure it less than...

Страница 34: ...ications See input technical data 4 Outrange low The level input signal has decreased to below the product specifications 1 Use a multimeter to check the input currents or voltages do not exceed the p...

Страница 35: ...it preferably in the original cartons Please provide the following information with any equipment being returned 1 Your name company name address and telephone number order number and invoice and retu...

Страница 36: ...enclosure Minimum of IP54 or UL50 NEMA Type 3 3S 4 4X 6 6P or 13 See Section 4 Mechanical installation Enclosure rating front panel only NEMA type 4 hose down only UL approval and IP65 verified by TRA...

Страница 37: ...supplied by Spirax Sarco Ltd Safety and Approvals may be compromised otherwise Level probe and feedback cable wires Type High temperature Shield type Screened Number of cores 3 Gauge 1 1 5 mm 18 16 AW...

Страница 38: ...mple time 260 Hz 4 20 mA s Minimum current 0 mA Maximum current 22 mA Input impedance 110 Accuracy 5 FSD over operating range Repeatability 2 5 FSD over operating range Resolution 14 bit 1 uA approx S...

Страница 39: ...x single pole changeover relays SPCO Voltage ratings maximum 250 Vac Resistance load 3 amp 250 Vac Inductive load 1 amp 250 Vac ac motor load HP 2 9 amp 250 Vac 1 10 HP 3 amp 120 Vac Pilot duty load C...

Страница 40: ...r 16 Default 2 Units Seconds InA Input Alarm Out of range Ranges OFF or ON Default OFF AS1 Alarm 1 select Ranges Hi or Lo Default Hi AP1 Alarm 1 percentage of gauge glass Ranges 5 100 high alarm or 0...

Страница 41: ...20 mA or 0 20 mA Default 4 20 mA dr Drive Ranges rel relay or ret retransmit Default rel relay ACt Action Ranges In reducing or Out incrementing Default In reducing with rising level SP Set Point Rang...

Страница 42: ...ge 1 0 100 Continued on page 43 Alarm select 2 lo hi 11 Appendix Data Registers Parameters and register data Register Level parameters 0 4 Identity 1 Process variable PV Water Level 2 Set point SP 3 C...

Страница 43: ...l Potentiometer high 0 2 V Potentiometer low 0 2 V End Continued from page 42 Set point 0 100 Control band 0 100 Alarm latch ON Off Retransmit 0 20 mA 4 20 mA Drive type ret rEL Drive action OUT empty...

Страница 44: ...IM P402 130 EMM Issue 9 44...

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