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- Page 1 Level limiter and controller BA14, RBA24, RBA34 Version 08/2024 D-07-B-50203-EN-01 Installation and operating instructions (English translation)
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Page 2: Table Of Contents
Table of Contents About this document Introduction __________________________________________________ 1 Product identification and rating plate ______________________________ 2 Related documents ____________________________________________ 3 Marking of safety precautions ____________________________________ 4 Copyright ____________________________________________________ 4 Safety Instructions Requirements for personnel ______________________________________ 5 Safety at work ________________________________________________ 5 Intended use _________________________________________________ 7 Damage to the product _________________________________________ 8 Contents of the packaging... - Page 3 Blowing through the connecting lines ______________________________ 29 Condition check during boiler overhaul ____________________________ 31 Case of damage 10.1 Replace magnetic lock switch ___________________________________ 35 Spare parts 11.1 BA14 ______________________________________________________ 37 11.2 RBA24 _____________________________________________________ 38 11.3 RBA34 _____________________________________________________ 39 Decommissioning and disposal 12.1 Dismantling the float switch _____________________________________ 40 12.2...
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Page 5: About This Document
About this document 1.1 Introduction The Installation and operating instructions are part of the Level limiter and controller BA14, RBA24, RBA34. It must be made available to the responsible departments "Incoming goods, transport, assembly, commissioning and maintenance". The Installation and operating instructions must be stored in such a way that the qualified person has access to them at all times. -
Page 6: Product Identification And Rating Plate
Level limiter and controller. The Installation and operating instructions belongs to the Level limiter and controller of the device type BA14, RBA24, RBA34. Additions that are entered after the description and describe the... -
Page 7: Related Documents
In addition to this Installation and operating instructions, the operating instructions for the blow- through and drain valves and the data sheet for the globe valves must be observed. Product Document number/ Link QR-Code Blow-through valves 63373 WA4, WA5 & WA6 www.igema.com/document/63373 Globe valves 50546 WA3, WA10 www.igema.com/document/50546 62825 Drain valves www.igema.com/document/62825... -
Page 8: Marking Of Safety Precautions
This Installation and operating instructions contains texts and drawings that may not be reproduced, distributed or otherwise communicated in whole or in part without the express permission of the manufacturer. The copyright of the operating instructions remains with: Igema GmbH Antwerpener Str. 1 48163 Muenster Germany Violations oblige you to pay compensation. -
Page 9: Safety Instructions
Only qualified persons who are familiar with the measurement and control systems are allowed to carry out work. Only trained electricians may install and connect electrical equipment. Igema GmbH can be commissioned for the installation and maintenance. AUTION Risk of injury due to external influences External influences can lead to injuries in the absence of protective equipment •... - Page 10 AFETY NSTRUCTIONS ARNING Risk of injury due to leaking medium Inflammatory, irritating and harmful substances can escape from the gauge and lead to skin injuries and burns. This danger is also to be expected in the case of an unpressurised cooled system.
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Page 11: Intended Use
2.3 Intended use OTICE Property damage caused by irregular use • Only use the float switches as water level limiter or two-point (BA14, RBA24, RBA24) water level controller on tanks. (RBA24/ RBA34) • Maintain maximum pressure and temperature ranges of all components. -
Page 12: Damage To The Product
AFETY NSTRUCTIONS 2.4 Damage to the product OTICE Property damage caused by incorrect storage and transport Incorrect transport and storage can cause damage to the float switch. • Avoid bumps and hard setdown. • Store the float switch protected from environmental influences and in a dry place. •... -
Page 13: Contents Of The Packaging
ONTENTS OF THE PACKAGING Contents of the packaging 3.1 Included 1 BA14, RBA24, RBA34 The Level limiter and controller will be delivered as a pre-assembled unit, unless otherwise contractually agreed: 2. Installation and operating instructions D-07-B-50203-EN-01 Page 9... -
Page 14: System Description
The float switch RBA24/34 can be used as a two-point water level controller or water level limiter without special design for steam generators. The BA14 float switch can only be used as a water level limiter without a special design. The float switches, in different versions, are used to control or limit the water level in tanks and steam generators. -
Page 15: Different Variants
YSTEM ESCRIPTION 4.3 Different variants BA14 RBA24 RBA34 D-07-B-50203-EN-01 Page 11... -
Page 16: Construction
ONSTRUCTION Construction 5.1 Construction The structure is described using an RBA24. 1.1 Magnetic locking switch M130-KG Upper part 1.2 Lower part of switch housing Transducer tube 1.3 Switch housing cover Mounting housing 1.4 Sealing ring 7.1 Connection pipe Float Drain valve 3.1 Float rod Upper blow-through valve 3.2 Encoder tube cap with retaining spring... -
Page 17: Basic Equipment
ONSTRUCTION Basic equipment The float switch is supplied with a G " drain plug and a switch housing in accordance with protection class DIN VDE 0470: IP54 with built-in magnetic lock switch M130-KG. Customer specific equipment is possible. Screw plug G "... -
Page 18: Technical Data
ECHNICAL DATA Technical data 6.1 Operating limit Operating limit BA14BA14, perm. Pressure [PS] perm. Temperature [TS] RBA24, RBA34 32 bar 239 °C 464 psig 462 °F 80 bar 296 °C 1160 psig 565 °F Operating limits RBA24, perm. Pressure [PS] perm. -
Page 19: Dimensions
ECHNICAL DATA 6.3 Dimensions BA14 Pressure stage [PS] A+D+465 A+D+465 The available A dimension is related to various factors such as float buoyancy force and flange connection. It must therefore be checked in consultation with Igema GmbH. D-07-B-50203-EN-01 Page 15... - Page 20 ECHNICAL DATA RBA24 Pressure stage [PS] [mm] [inch] [mm] [inch] Connection dimension [A1] Connection height [A2] Connection depth Connection distance A+D+550mm A+D+21 A+D+550mm A+D+21 Switch adjustment range The component label is only valid if shut-off valves are fitted between the process connection and the boiler connection and a drain valve is fitted to the drain connection.
- Page 21 ECHNICAL DATA RBA34 Pressure stage [PS] 32 bar 80 bar [mm] [inch] [mm] [inch] Connection dimension [A1] Connection height [A2] Connection depth Connection distance A+D+550mm A+D+21 A+D+550mm A+D+21 The component label is only valid if shut-off valves are fitted between the process connection and the boiler connection and a drain valve is fitted to the drain connection.
- Page 22 ECHNICAL DATA Magnetic locking switch [mm] [inch] Installation depth Total depth Width Height Page 18 D-07-B-50203-EN-01...
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Page 23: Assembly
SSEMBLY Assembly 7.1 Version with flange • Observe the orientation of the gauge. • Check sealing surfaces for cleanliness • Install the flange connection between the gauge and the boiler/pressure vessel according to the applicable standard 7.2 Version with welding end ARNING Eye damage due to lack of personal protective equipment Lack of eye protection during welding leads to eye damage in working and bystanders. -
Page 24: Power Connection
The VDE regulations and the specifications of the local grid operator corresponding to these regulations must be observed when installing the magnetic circuit breaker. Igema GmbH recommends using acetic acid-free silicone cable for the connecting cable inside the connection housing. -
Page 25: Connecting The Magnetic Lock Switch Electrically
Only trained electricians may commission electrical components and carry out maintenance work on them. Igema GmbH can be commissioned for work on electronic components. Connection as SPDT circuit (standard) Magnet above the switch Magnet below the switch... - Page 26 SSEMBLY Connection as DPDT circuit (redundancy of two switches) Upper switches (magnet below the switches) Lower switches (magnet above the switches) Page 22 D-07-B-50203-EN-01...
- Page 27 SSEMBLY OTICE Installation of the switch in circuits after risk assessment Safety principles in accordance with DIN EN ISO 13849 with regard to safety-relevant circuits (e.g. PLC) in which the switch is installed must be observed. Delayed switching due to switching time •...
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Page 28: Commissioning
OMMISSIONING Commissioning 8.1 Before commissioning Torque Tightening torque perm. Md → Md [Nm] pressure in steps [bar] Magnetic locking switch • Ensure that the magnetic lock switch is firmly attached to the transducer tube. 8.2 Commissioning the device simultaneously with the boiler Fig.1 Figure 1: •... -
Page 29: Starting Up The Device When The Boiler Is Under Pressure
OMMISSIONING 8.3 Starting up the device when the boiler is under pressure Fig.1 Fig.2 Figure 1: • Close the drain valve. • Open the lower shut-off valve slowly. Figure 2: • Open the upper shut-off valve slowly. D-07-B-50203-EN-01 Page 25... -
Page 30: After Commissioning
OMMISSIONING 8.4 After commissioning ARNING Risk of injury due to electrical voltage Electrical voltage can lead to injuries when touching conductive cables. • De-energise the system before maintenance work. During operation, check the setting of the magnetic locking switch and adjust the height if necessary. - Page 31 OMMISSIONING Figure 1: • Loosen the screws on the housing cover and remove the housing cover. Figure 2: • Slightly loosen the screw on the switch base. The magnetic lock switch can be moved on the switch rod. • Move the magnetic lock switch to the appropriate height and hold it in place. Figure 3: •...
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Page 32: Maintenance And Operational Monitoring
AINTENANCE AND OPERATIONAL MONITORING Maintenance and operational monitoring 9.1 Functional test OTICE Mandatory functional check A functional test is mandatory for water level limiters before commissioning. • Specify the scope of testing and testing deadlines between the operator, boiler supplier and local expert. Fig.1 Fig.2 Fig.3... -
Page 33: Release Pressure
AINTENANCE AND OPERATIONAL MONITORING 9.2 Release pressure Fig.1 Figure 1: • Close shut-off valves • Open the drain valve The gauge is emptying. The gauge can be put back into operation. (chap. 8) 9.3 Blowing through the connecting lines OTICE For water level controllers and limiters, separate blowing through of the connecting lines including the attachment housing is required. - Page 34 AINTENANCE AND OPERATIONAL MONITORING Fig.3 Fig.4 ▪ The gauge must be depressurised. Figure 1: • Open upper shut-off valve slightly, close after approx. 2 seconds. Figure 2: • Open lower shut-off valve slightly, close after approx. 2 seconds. Figure 3: •...
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Page 35: Condition Check During Boiler Overhaul
AINTENANCE AND OPERATIONAL MONITORING Fig.1 ▪ The boiler must be in operation. Figure 1: • Briefly actuate the upper blow-through valve The flow is stopped when actuated. A renewed release of the flow ensures a renewed sudden flow, which cleans the pipe. •... - Page 36 AINTENANCE AND OPERATIONAL MONITORING Opening the mounting housing Fig.1 Fig.2 ▪ The float switch must be depressurised. Figure 1: • Undo and remove the hexagon nuts at the bottom of the threaded bolts. Figure 2: • Lift the upper part of the appliance with the float device, threaded bolts and hexagon nuts upwards out of the mounting housing.
- Page 37 AINTENANCE AND OPERATIONAL MONITORING Fig.3 Fig.4 Opening the mounting housing Figure 1: • Bend out the retaining spring and loosen the encoder tube cap. Figure 2: • Pull the float rod with float out of the transducer tube • Check the float and float equipment for damage. •...
- Page 38 AINTENANCE AND OPERATIONAL MONITORING Closing the mounting housing Fig.1 Fig.2 Fig.3 Figure 1: • Check that the sealing surfaces of the device flanges are in perfect condition. • Place a new gasket between the flanges on the mounting housing. Figure 2: •...
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Page 39: Case Of Damage
ASE OF DAMAGE 10 Case of damage Fault Possible cause Remediation Bent float rod, defective Check float device, replace float if necessary (chap. 9.4) Float does not float Depressurise (chap. 9.2) Contamination in mounting Blow through connection housing lines (chap. 9.3) Magnetic lock switch does not Replacing the magnetic Defective switch... - Page 40 ASE OF DAMAGE Figure 1: • Loosen the screws on the switch housing cover. • Remove the switch housing cover. Figure 2: • Loosen the cable gland of the cables of the switch to be removed. • Pull out the cable. Figure 3: •...
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Page 41: Spare Parts Ba14
PARE PARTS 11 Spare parts 11.1 BA14 Quantit Pos. Description Size Article-No. Magnetic locking switch M130- 15-01122 O-ring 24.2x3mm 40-00300 O-ring 110x3mm 40-00301 Float 40-00918 Float device 15-000006 32bar 15-03379 4.1, 4.2, Connection set for DN100 (DIN 2697) flange 80bar 15-03362 Ø... -
Page 42: Rba24
PARE PARTS 11.2 RBA24 Quantit Pos. Description Size Article-No. Magnetic locking switch M130- 15-01122 O-ring 24.2x3mm 40-00300 O-ring 110x3mm 40-00301 Float 40-00918 Float device 15-000006 32bar 15-03379 4.1, 4.2, Connection set for DN100 (DIN 2697) flange 80bar 15-03362 Ø 115 x 168 x 2 mm Sealing ring 32bar 40-00193... -
Page 43: Rba34
PARE PARTS 11.3 RBA34 Quantit Pos. Description Size Article-No. Magnetic locking switch M130- 15-01122 O-ring 24.2x3mm 40-00300 Float 40-00918 Float device 15-000006 32bar 15-03379 4.1, 4.2, Connection set for DN100 (DIN 2697) flange 80bar 15-03362 D-07-B-50203-EN-01 Page 39... -
Page 44: Decommissioning And Disposal
ECOMMISSIONING AND DISPOSAL 12 Decommissioning and disposal 12.1 Dismantling the float switch During the following work, the individual components hang freely and must be secured against falling. • Loosen nuts on flange connections. • Removing bolts from flanges • Secure loose components against falling Fig.1 Valves and gauges that are firmly connected to each other (e.g. - Page 45 Residues of hazardous substances pose a health hazard. • Indicate possible dangers and take precautionary measures. 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.
- Page 48 Direct Download Product page on the Internet Igema GmbH Antwerpener Str. 1 Phone: +49 2501 924 24 0 48163 Muenster Fax: +49 2501 924 24 99 Germany info@igema.com www.igema.com...
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