Igema EWLS Installation And Operating Instruction Download

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Edition 03/2021

D-05-B-51500-EN-00

Installation and operating instruction

EWLS

for use with level probes: EL65 or EL60

Electronic Water Level Switch

Summary of Contents for EWLS

Page 1: ...Edition 03 2021 D 05 B 51500 EN 00 Installation and operating instruction EWLS for use with level probes EL65 or EL60 Electronic Water Level Switch...

Page 2: ...e Steam is our passion and we offer you the entire programme for the safe and economic operation of your plants especially in the steam and condensate sector Please read the installation and operating...

Page 3: ...ety instructions for this device 9 1 5 Exclusion of liability 9 2 Contents of the packaging 10 3 Important information 10 3 1 Use in compliance with regulations 10 4 System description 10 4 1 Componen...

Page 4: ...mensions and descriptions 16 5 2 2 Power connection 17 5 3 Measuring unit MU 3 18 6 Configuration via Menu 19 7 Special features of system setup 22 8 Commissioning 22 8 1 System setup 22 8 2 Factory s...

Page 5: ...e of contents 10 System maintenance 27 10 1 Depressurising the water column 27 10 2 Dismantling and fitting probes 28 11 Fault analysis and rectification 29 12 Declaration of conformity 31 13 Attachme...

Page 6: ...bove tasks IGEMA GmbH accepts no liability for damage to property or personal injury caused by unqualified persons or by failure to observe these installation and operating instructions If no sufficie...

Page 7: ...levels on containers The maximum values of the pressure and temperature range of the device must be checked before installation If the maximum allowable operating values of the device are lower than t...

Page 8: ...been depressurised and that the pressure has been safely reduced to atmospheric pressure In principle no system should be regarded as unpressurized even if indicated by pressure measuring devices suc...

Page 9: ...be attached to the holding strap eyelet on the device When returning goods to IGEMA GmbH the applicable safety and environmental laws according to GGVSEB German ordinance on the national and internat...

Page 10: ...harge of condensate Feedwater tanks water tank deaerator condensate monitoring Flash tanks feedwater preheaters Turbine protection against water ingress TWIP Steam cooler High and low water alarm and...

Page 11: ...H7 All probes in steam System error Physical state not possible H1 H2 H5 H6 Probe 1 in Steam Probe 2 in Water Water alarm Visual Warning H1 H4 H7 H3 blinkt Probe 1 in Water Probe 2 in Steam Water Ala...

Page 12: ...the required reaction Chap 4 2 is carried out A plausibility check takes place Each electronic circuit switches its own relay SPDT for the corresponding output Only when both relays of both electroni...

Page 13: ...level measuring switching Can be used up to design pressures PS 200 bar 2901 PSI Design temp of TS 554 C 1030 F Double power supply optional for high availability redundancy Self monitoring electronic...

Page 14: ...ble switch points e g for a pump control In the case of identical programming of two outputs a DPDT output is possible 1 4mA 20mA output for loads up to 500 not galv insulated optional 5 Assembly and...

Page 15: ...water level t Probe distance 5 1 2 Installation The water column with probes is supplied fully pre wired It is attached via the process connections in accordance with the rules regulations on the boil...

Page 16: ...ck fitting with a spring catch for the DIN EN 50022 standard 35 mm carrier rail Ensure protection class in accordance with current regulations With quick fitting with a spring catch for standard DIN E...

Page 17: ...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 18: ...e measuring unit If no assembled cable is ordered the assembling of the enclosed plug socket is done according to the Device NetTM BUS System PIN Lead colour Signal Device NetTM 1 Drain 2 RD V 3 BK V...

Page 19: ...el down or confirm the entry By pressing the ESC key you can get to the next level up or out of the menu without the current entry being saved With OK confirmed data are already saved and remain so Th...

Page 20: ...ate 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 capitals e g W 1 2 Probe state The switch state of the 9 ou...

Page 21: ...ms the entry and with ESC the entry is left without saving or you move up a menu level Programming logic of the outputs Programming is carried out in 3 stages 1 Selection of the output to be programme...

Page 22: ...nance must be carried out by qualified personnel If no sufficiently qualified person can be employed IGEMA GmbH can be commissioned to carry out the commissioning In principle IGEMA GmbH recommends co...

Page 23: ...when starting up the boiler First make sure that the drain valve is closed Then open the shut off valves to the stop The boiler can now be commissioned with the indicator After commissioning the indic...

Page 24: ...CAN Bus max 500m Electrical conductivity of the liquid 0 5 S cm 10 000 S cm 25 C Probes water column Allowable pressure PS bar 32 200 Allowable temperature TS C 239 367 Probe Type EL65 EL60 Item no 15...

Page 25: ...CAN Bus according to DIN ISO 11898 CANopen protocol 4 mA 20 mA B rde 500Ohm not galv insulated optional 3 SPDT output contacts freely programmable Probe switch contact 2 probe system 1 SPDT potential...

Page 26: ...ating plate The description EWLS 2 refers to the number of probes in the device Item numbers und serial numbers are examples that are not valid for orders If you intend to order please contact IGEMA s...

Page 27: ...his or her own operating experience an appropriate maintenance schedule necessary for the specific application Note that the frequency and method of maintenance may affect service life and performanc...

Page 28: ...ed replace the probe Clean and check sealing surfaces Insert new sealing ring Lubricate thread with heat resistant solid lubricant e g graphite Screw in electrode and tighten max Tightening torque Md...

Page 29: ...distribution cabinet too high Optimise heat balance in MU distribution cabinet 60 MU hardware error MU hardware error Restart device Replace MU electronic board 61 MU A case connection MU A earth cab...

Page 30: ...keine 24V Versorgung This high quality IGEMA product was designed manufactured and tested with the application of the QM System guidelines in accordance with DIN EN ISO 9001 2015 If the device supplie...

Page 31: ...31 12 Declaration of conformity...

Page 32: ...ecoupling of the current output Art no 20 10016 Assembled BUS connecting cable including assembled plug and plug socket 2m Art no 40 10392 5m Art no 40 10111 10m Art no 40 10112 15m Art no 40 10393 25...

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