Igema EWLI-3B Installation And Operation Instruction Manual Download Page 1

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Electronic Remote Water Level

Indicator Type EWLI-3B

for use with level probes:

EL65

EL60

D-05-B-30869-EN-0

Issue date 11/2015

Summary of Contents for EWLI-3B

Page 1: ...Electronic Remote Water Level Indicator Type EWLI 3B for use with level probes EL65 or EL60 D 05 B 30869 EN 0 Issue date 11 2015...

Page 2: ...ions and descriptions 13 5 2 2 Power connection 14 5 3 Measuring unit MU 16 5 4 Display unit DU optional 17 5 4 1 Installation dimensions and descriptions 17 5 4 2 Power connection 18 5 5 System conne...

Page 3: ...installer of the system If this device is inserted incorrectly the function protection expected from this device may be impaired 3 Avoidance of risks and damage Disseminate the Installation and operat...

Page 4: ...not observed there is risk to life and or significant damage to property may occur Danger means that attention is particularly drawn to technical requirements Attention 1 2 Exclusion of liability IGEM...

Page 5: ...stened to the process connections provided on the tank The EWLI 3B has been developed in accordance with the requirements of EC Directive 97 23 EC 2003 and the standards DIN EN 12952 1 7 DIN EN 12953...

Page 6: ...ay LEDs 1 4 mA 20 mA Output contact 2 Correct operation IGEMA EWLI3 CU 4mA 16 mA number of probes fitted x Number of probes submerged 3 A activated F activated Z depending on assignment programming co...

Page 7: ...The DU optional display unit can be used as a remote indicator The status LEDs show the same as the LEDs of the CU In addition each probe is linked to an LED Green shows a submerged probe red a probe...

Page 8: ...ol unit CU The control unit contains 1 LCD display 2 line each 16 characters for communication with the operator programming and information display 4 buttons for programming 3 LEDs as status indicati...

Page 9: ...wer supply Self monitoring electronics for high system safety during monitoring functions wire breakage monitoring Adjustable switching delay on all outputs for avoiding false signals 1 alarm output S...

Page 10: ...e green probe submerged in water red probe in steam surplus LEDs e g 13 14 15 and 16 if the system has 12 probes are not activated and remain dark The condition of the system is indicated via 3 status...

Page 11: ...11 5 Assembly and Installation 5 1 Add on housing Measuring unit MU Process connection Probes Casing...

Page 12: ...12 5 1 1 Installation dimensions and descriptions A Boiler connection dimensions E Display area D Minimum water level T Distance between probes L Lateral dismantling dimensions...

Page 13: ...nation 5 2 Control unit CU The control unit and also the associated power unit are supplied in a plastic plug in housing for fitting into switch cabinets The housing is designed for quick fitting with...

Page 14: ...r this reason connected inductive equipment e g contactor must be provided additionally with an RC circuit e g 0 1 F 100 The output contacts are only switched when both electronic circuits energise th...

Page 15: ...us control cable has to be a 4 wire twin stranded shielded cable e g UNITRONIC FD P DeviceNetTM THICK PUR option IGEMA Art no 35 10058 For the current loop interface 4 mA 20 mA a shielded data cable 2...

Page 16: ...e measuring unit If no assembled cable is ordered the assembling of the enclosed plug socket is done according to the Device NetTM BUSsystem assignment of terminals on the MU circuit board connecting...

Page 17: ...s switchboard mountable device For fastening a screw system switchboard or a top hat rail adapter is available see Accessories The DU is supplied as standard with 120 bus terminating resistor contact...

Page 18: ...system is given by the following graphics The illustration shows the redundant configuration with 2 power supplies and 3 optional DUs The bus terminating resistor is already implemented in the MU Thu...

Page 19: ...ing the OK key A menu item of Level 1 will appear in the LCD display With the keys or you can choose between the menu items of the respective level The upper row is active By pressing the OK key you w...

Page 20: ...stem functions Menu description 1 1 Probe state The state of the probes is displayed w for water s for steam For illogical states for example water over steam the submerged probe is displayed in capit...

Page 21: ...00 seconds if probe 00 is in water 3 R x off on in 00 sec if P00 in STEAM WATER The output x is switched after 00 seconds into the other state if probe 00 is in steam On designation of the same probe...

Page 22: ...d in Chap 4 2 8 Commisioning 8 1 System setup Regulation compliant assembly of the add on housing on the boiler Electrical connection as in Chap 5 in particular Chap 5 5 System planning e g with syste...

Page 23: ...000 3 2 2010 03 DIN EN 61000 3 3 2009 06 DIN EN 61010 1 2010 Other Technical Regulations Wasserstand 100 Water level 100 dated February 2010 Data exchange CAN Bus in accordance with DIN ISO 11898 CANo...

Page 24: ...eparate power supply unit s Current consumption 200mA Interfaces CAN Bus according to DIN ISO 11898 CANopen protocol 4 mA 20 mA load 500Ohm not galv decoupled 7 SPDT output contacts freely programmabl...

Page 25: ...er The mains transformer supplied is an integral part of the EMC tests IGEMA only guarantees EMC compliance when the power supply unit supplied is used 9 3 Maximum ratings of potential free contacts A...

Page 26: ...cycle may be necessary Always depressurise the boiler add on housing and allow it to cool down before dismantling the probes Mind the danger of scalding through steam or hot water The add on housing m...

Page 27: ...ishing the electrical connection Refit protective housing Start up the device again see Chap 8 4 The PTFE or ceramic insulation must not be damaged When starting up the boiler check the probe screw co...

Page 28: ...connection 61 MU A earth cable faulty Check measuring cable to housing mounting flange 62 MU B case connection 62 MU B earth cable faulty Check measuring cable to housing mounting flange 63 MU A CAN...

Page 29: ...f no 24V supply 12 Warranty Warranty We grant a 24 month warranty period on our products A condition for that is the appropriate treatment according to these mounting and operating instructions The wa...

Page 30: ...30 13 Declaration of Conformity...

Page 31: ...with the application of the QM System guidelines in accordance with DIN EN ISO 9001 2000 If the device supplied shows transport damage or gives cause for complaint in spite of our final quality contro...

Page 32: ...10015 Top hat rail adapter for DU Art no 40 50055 Switch amplifier for galvanic decoupling of the Art no 20 10016 current output Assembled BUS connecting cable including assembled plug and plug socket...

Page 33: ...erged emerged Output 7 Probe submerged emerged Probe submerged emerged delete wrong state Programming example Start press o k to access the menu press or until 4 2 Password is displayed in top row pre...

Page 34: ...e 03 in this example should be displayed press o k press or until STEAM is shown press o k press or until 00 is shown 0 indicates the first digit of the desired time s number press o k press or until...

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Igema EWLI-3B, Installation And Operation Instruction Manual

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