Igema DLT2 Installation And Operating Instructions Manual Download

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Edition 11/2020

D-08-B-51053-EN-00

INSTALLATION- AND OPERATING INSTRUCTION

DLT2 / DLT3 with overfill protection

for use with the level probe: EC 8

Continuous Water Level Transmitter

Summary of Contents for DLT2

Page 1: ...Edition 11 2020 D 08 B 51053 EN 00 INSTALLATION AND OPERATING INSTRUCTION DLT2 DLT3 with overfill protection for use with the level probe EC 8 Continuous Water Level Transmitter ...

Page 2: ...me 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 instructions carefully to ensure a safe and reliable operation In addition to the information on installation and operation you will also find important information on maintenance care safety and va...

Page 3: ...ty 8 2 Contents of the packaging 9 3 Proper use 9 4 System Description 9 4 1 Function 9 4 2 Control unit 10 4 3 Error messages 11 5 Assembly and Installation 11 5 1 Installation dimensions and descriptions 11 5 2 Installation 12 5 3 Electrical connection 12 5 3 1 Schematic diagram 13 5 3 2 Assignment plan evaluator 13 5 3 3 Cable evaluator probe 14 5 3 4 Connecting the probe 14 5 3 5 Power interfa...

Page 4: ...cal entry 16 6 4 Password input example 16 6 5 Programming of min and max level 16 6 6 Programming of the overfill protection DLT3 17 7 Technical Data 18 7 1 Device data 18 7 2 Maximum ratings of outputs 18 7 3 Data plate 19 8 Fault analysis and rectification 19 9 Declaration of Conformity 21 ...

Page 5: ...above 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 sufficiently qualified person can be found IGEMA GmbH can be commissioned with the installation maintenance 1 1 Symbols used in these instructions In the following installation and operating instructions saf...

Page 6: ...l 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 those of the system on which it is to be installed protective instruments for the device such as pressure reducers or similar must be provided to avoid limit situations The device may only be used in...

Page 7: ...as 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 such as pressure gauges or sensors When releasing the pressure make sure that no persons are in the release area Carefully check whether you and or other persons in the vicinity need PPE to protect you...

Page 8: ...licable safety and environmental laws according to GGVSEB German ordinance on the national and international carriage of dangerous goods by road rail and inland waterways must always be observed If there are any risks to health or the environment due to residues or the device has a mechanical defect this must be indicated when returning the device and the necessary precautionary measures must be t...

Page 9: ...operating instructions which is fitted in the boiler or mounting flange The device does not have a safety function and must not be used for safety related functions limiter The DLT2 DLT3 as also the EC 8 probe carries out periodic self testing 4 System Description 4 1 Function The DLT2 DLT3 continuous level transmitter works in conjunction with the IGEMA EC 8 level probe on the basis of the capaci...

Page 10: ... 4 control buttons arranged on the left vertically At DLT2 3 LED 1 green POWER flashes if power supply of controller or probe is faulty LED 2 yellow MENU flashes in menu mode Only at DLT3 LED 3 rot FAILURE lights up if the device detects an electronics failure LED 4 grün LIMIT lights up if overfill level is exceeded When the controller and the probe are working correctly the fill level in of the r...

Page 11: ... mA within less than 3 s For analysis and troubleshooting see Chap 8 5 Assembly and Installation The device is supplied in a plastic plug in housing for fitting into switch cabinets The housing is designed for quick fitting with a spring catch for the DIN EN 50022 standard 35 mm carrier rail and for screw fixing on a mounting plate 5 1 Installation dimensions and descriptions Base Front view Side ...

Page 12: ...ase screws 1 and remove snap fastening 4 Drill through the marked point 2 in the base 5 with ø 4 3 mm drill bit Fit holder 5 on base plate with two M4 screws 5 3 Electrical connection The terminal strip of the device is live during operation Before working on the device disconnect it from the power supply The device must be protected mains side by the operator with a max T M 2A fuse If inductive c...

Page 13: ...nd data 5 3 2 Assignment plan evaluator In normal operating condition relay contacts 3 and 5 error signalling OFF no overfill are closed Extra relay signalling of failure and overfill protection DLT3 4mA 20mA not galvanically insulated Probe connection max T M 2A to be attached by the operator CANH CANL DLT2 DLT3 ...

Page 14: ...or Socket 9 24V 3 10 GND 11 CANH 1 12 CANL 2 The total length of the lead must be a maximum of 250m When installing care must be taken that depending on the cable used the UV protection is ensured on the installation side if necessary The cable must not come into contact with heat conducting parts 5 3 4 Connecting the probe The probe is equipped with a plug connector GSP 4 pole It is connected to ...

Page 15: ...emperature of the probe 2 2 1 Password input After valid password input 2 2 Programming of the min level 2 3 Programming of the max level 2 4 Programming of the damping 2 5 Tendency display Nur DLT3 2 6 Activation Overfill protection 0 0 1 Overfill protection activ 2 7 Return level 2 8 Overfill limit level LIMIT The damping is a sliding mean value from the most recent measurements The number can b...

Page 16: ... the corresponding submenu The other submenu items are now enabled 6 5 Programming of min and max level For programming the minimum or maximum levels it is necessary to move to the fill level in the boiler note thermal linear expansion Go to the first fill level It is unimportant whether you start with the min or max level Bring up the menu on the evaluator by pressing OK Select main menu 2 with t...

Page 17: ...display X means a value of 0 9 The buttons value of return level or 100 are a quick way to set the starting point for the LIMIT After pressing OK the display is 0XX X Enter the desired LIMIT value e g 075 for 75 and press OK You reach the last digit via OK Choose menu item return level 2 7 via the buttons or and press OK Display 0X XX The grey area is the viewable area of the display X means a val...

Page 18: ...in accordance with DIN EN 60529 protection class IP54 is to be ensured in the boiler area Device fuse 63 mA T Allowable ambient temperature 0 C bis 55 C Supply voltage probe short circuit proof 24V 2W Self test alle 3sec Service life probe The service life of the probe depends on the operating conditions and state of the boiler water The total length of lead max 250m 7 2 Maximum ratings of outputs...

Page 19: ...be assigned to possible causes of error with the following tables Evaluation device malfunctions Error code Cause Remedial Action 000 Fault in the ADC converter Replace device 001 Malfunction of the 24 volt supply voltage of the evaluation device Replace device 002 Malfunction in the probe supply voltage Check data cable for fault Replace device 005 Extra relay faulty Replace device 8 8 8 flashing...

Page 20: ...roken cable connections wrong way round Check wiring Every error code except 8 8 8 causes the extra relay to be switched off The 4 mA 20 mA output then jumps to 0 mA within under 3 s The flashing code 120 is active if the level limit is passed This is not considered an error code The 4 mA 20 mA output stays at its level equivalent value 120 fill level exceeded fill level above limit reduce liquid ...

Page 21: ...21 9 Declaration of Conformity ...

Page 22: ...22 ...

Page 23: ...23 ...

Page 24: ...24 Antwerpener Str 1 Fon 49 2501 92424 0 48163 Münster Fax 49 2501 92424 99 Deutschland info igema com www igema com IGEMA GmbH ...

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