SE-B1, -B2, -B3, -B4 Technical manual
Contents
1. all i M m vL ig gh Tem THe odla 529 f d 93 Qen Ala r z N 54 raas 20 teas 5 A DE 28 35 18 36 3i n n DI Di 1 4 NS n VO o ve 5 O N ve 58 B za 4 4 2 6L 81 9L GL vl L eL OL 6 8 2 9 9 v L Page 10 Technical manual 5 1 SE B2 SE B3 SE B4 Oil flow monitoring using the SE B1 SE B2 SE B3 SE B4 module 1 2 3 4 5 6 7 8 9 10 11 12 13 14 L1 o 3 5 1 01 13 STA Fi Or 001 4A F2 gt i s2E 7 5 gt 7 F6 P lt 5 20 5 22 K1 K3 K2 9 11 9 L 11 B1 B2 47 1 f 4 Kr Fo X SE B1 19 i SE B2 Ls RI N 12 14 i F13 i 9 T L1 11 F8 T L2 7 L3 1 14 i F13 2 UL M1 2 K2 a 2 8 13 9 10 10 10 Sg K K3 12 9 12 H2 H1 K2 K1 K3 K1 n 4 l 2 35 1 5 5 5 10 ITZ ZI2 12 4144816 13 16 17 19 24 12 18 20 25 if Page 11 Usin2. teas 29 35 18 35 vi lt i E Aa za LT m 23 v 6 6 TW P IDE Di i 4 5 5 6 Vo P Eu vy LON 55 I 6 gt 8L m 9L SL OL 6 8 1 ull e euwe uonosuuoo eas Wie oe ec 1 1 t t 1 t C Tue Tea ex 7 1 1 imer erat d 1 oeg Qen E ew JN umoig pau 8 inr xe i d Te ff 28 6 vL N 78 35 58 36 28 38 m m 18 38 D Di aa lu 1 gt Di LT 6 6 e b 328 is 100 TH hi ed f 8L 9 SL vL L 6 8 4 9 L Page 9 64 84 Method 2 BET episu uonoeuuoo ees aseelq z 19 99 n 998 lt 0 xew t X LS C 742 2225 i 4 i EL i Zi LH 4 5
3. Neutral i 3 aid Relay common 0 5 5 12 Relay NO Error condition E th e 8 14 Relay NC Ok condition 2 5 m S Unnamed Lockout wire jumper g 8 i LI E U 9 8 2 3 5 z lt ME es 5 gt Page 8 Technical manual 5 1 SE B2 SE B3 9 Compressor protection module with a part winding Method 2 ee 9 si 1 e T T jeunuua 998 24919811 soveel i uji EET 095 6 0 1 1 T 1 t T T 1 7 7 Dic X A M Je gt 9 a only en HAt E i 3 5 ui 81 6 555 8 vid od vi gt 94
4. ELodam BY BITZER GROUP Lodam Compressor Protection Modules i 2 91 278 et E SE B1 Protection Module BITZER Part No 34701901 Supply 50 60Hz 230 240 10 2VA 1 Amb Temp Range 30 70 Relay 250V A C300 max 2 5 OR OR 2D L 14 11 43 Aus prc supply Lockout Relay adam electronics K rvej 77 6400 Sonderborg Version 3 0 gt BRS ee 4 Contents 1 Em 4 11 Reading 4 L2 Usetrnarniual tet edet tede REB e 4 8515 NN ERE ANDE 4 2 D m 5 3 5 noc aa 6 S JCI ONS oe cT 7 6 Examples of application 8 PR 8 Z Technicaldata ater reiner 13 Hetedbduexent sdeiuw iudi 14 Ncc EUM 15 10 Trouble e meme 1 15 SC 16 12 IN OTS safer ES 17 Page 2 Technical manual 5 1 SE B2 SE B3 sess Page 3 Read this first The contents of this manual are subject to change without notice Lodam electronics holds the copyright to this user s manual The user shall follow any instructions given in this u
5. Page 16 S Schematic diagrams 12 Sensor type 13 Standards 15 T Technical data 13 Terminal torque rating 13 Trouble shooting 15 Weight 13 Technical manual SE BI SE B2 SE B3 SE B4 12 Notes Page 17 Innovative and energy saving climate control When it comes to climate control Lodam is one of the most experienced you can turn to For more than four decades we have developed produced and implemented electronic solutions dedicated to optimising applications like Compressors Condensing units Heat pumps Air conditioning Refrigerated truck and trailer Reefer containers We know the importance of reliable energy efficient operation and constantly push techno logical boundaries to bring you the most innovative and forward thinking solutions As part of the BITZER Group we are backed by one of the world s leading players in the refrigeration and air conditioning industry This alliance provides us with extensive network and application knowhow and allows us to stay at the forefront of climate control innovation And to help ensure comfortable surroundings for humans and reliable protection of valuable goods anywhere in the world For more information visit www lodam com Lodam electronics a s Kaervej 77 Tel 45 7342 3737 6400 S nderborg Fax 45 7342 3730 Denmark lodam lodam com 16 01 2015 Contents are subject to change without notice
6. ction of the motor against overheating by monitoring motor temperature by means of PTC sensors mounted in the motors windings Further other temperatures can be monitored by for example mounting PTC sensors in the discharge outlet of a compressor for monitoring the oil temperature or the temperature in vessels In other areas where PTC sensors are installed they can also be monitored by a SE Bx protection module Due to their fast reaction time good accuracy and built in relay they can be a good solution instead of a separate control ler They can also be used as switch relays A SE Bx is default wired up for lockout in case of an overheat situation but can also be used as a thermostat switch relay via the cool down period of the media sur rounding the PTC sensor 3 Definitions Product range HW Hardware electronics NC Normally Closed relay NO Normally Open relay PTC Positive Temperature Coefficient sensor element SE Bx A SE B1 SE B2 SE B3 or SE B4 compressor protection module Page 5 4 How tO Use the SE Bx in lockout mode 14 14 1d 14 14 14 14 5 1 5 2 5 Y H Y 5 4 The wire jumper is default mounted in the two unnamed terminals located between terminals N and 12 In this mode a fault condition will need a manual reset to release the relay Page 6 Use the SE Bx in restart hysteresis mode SE B1 SE B2 SE B3 SE B4 The wire jumper bet
7. g the C1 electrolytic capacitor together with an addi tional time delay K3T will allow a temporary bridging of the monitoring function Please note The C1 electrolytic capacitor will be destroyed if mounted with wrong polarity Measure the polarity off the two leads and connect the according to the draw ing Legend for the schematic diagrams B1 B2 Control unit C1 Electrolytic capacitor El Main fuse F2 Compressor fuse F3 Control circuit fuse F4 Differential oil pressure switch F5 High pressure limiter F6 Low pressure limiter F7 Control circuit switch F8 Phase sequence control relay F9 Oil flow switch F12 Fuse for the crank case heater F13 F14 Thermal motor overload relay H1 Signal light Over temperature H2 Signal light Oil pressure flow fault K1 K2 K3 Motor contactors K1T Time relay for part winding operation 2 3 s K2T Time relay Start up delay KST Time relay oil flow monitoring 10 20 s Time relay pause time 300 s 5 Time relay oil level monitoring 120 s M1 Compressor Q1 Main switch R1 3 PTC sensors in motor windings H1 6 PTC sensors in part winding motor windings R7 PTC sensor in cylinder head discharge gas temperature sensor R8 Crank case heater S1 Control switch WA Solenoid valve Start unloading Y2 Solenoid valve Liquid line Y3 Solenoid valve Capacity control Expansion valve Page 12 Technical manual SE BI SE B2 SE B3 SE B4 7 technical data Descrip
8. oved the relay behaves like on the following diagram Safety 5 chain NC Rel Lockout eay 14 11 12 Lockout 1 open relay Lockout Closed 050 14 11 12 resistance Ree 2 4 5KQ In this mode there is a hysterese from 2 7kOhm to 4 5 kOhm When the resistance in the PTC sensors increases above 4 5 kOhm the relay is released The relay is released as long as the resistance is above 2 7 kOhm When the resistance comes below 2 7 kOhm the relay is energized This hysteresis can be used for applications where the media where the PTC sensors are mounted has such a large temperature inertia that this hysteresis is sufficient Page 7 Compressor protection module with a direct starting 6 Examples of pel application Method 1 2 4 gt 25 g r1 6 1 Connections H BE B E T S CMM ME 1 n 3 amp t by 4 ge 2 ERE e 5 E 4 A A ea Be 8 m g 3 788 8698 4 E E al Descr n o Power supply
9. pt supply power for min 5 seconds 150g 24 VDC version 908 68 3 mm w 32 5 mm d 50 mm h 35 mm snap in or mounting with screws PA66 GF E334756 Cu 609C only 20 14 AWG 0 5 mm2 2 0 mm2 Spade connection 6 3 mm 0 8 mm 1 4 Page 13 O Drawings Shown without wire 5 1 5 2 5 1 4 50 30 5 di Biellese 4 33 0 5 3 5 Mounting is for standard rail 35 mm according to DIN EN 60715 Page 14 Technical manual 5 1 SE B2 SE B3 sees 9 Standards The product is manufactured according to the following standards RoHS 2002 95 EC Low voltage 206 95 EC 61010 1 Safety requirement for electrical equipment for measurement and control 2004 108 EC 61000 6 x Generic EMC The following standards have been used EN 61010 1 Safety requirement for electrical equipment for meas urement and control EN 61000 6 1 Immunity for domicil profession and light industry EN 61000 6 3 Emission for domicil profes
10. ser manual entirely and not only partly Any non follow ing of this user manual result in exclusion of all warranties guarantees and liabilities CopyrightO 2014 by Lodam electronics a s All Rights Reserved Disposing of the parts of the controller INFORMATION FOR USERS ON THE CORRECT HANDLING OF WASTE ELECTRI CAL AND ELECTRONIC EQUIPMENT WEEE In reference to European Union directive 2002 96 EC issued on 27 January 2003 and the related national legislation please note that 1 WEEE cannot be disposed of as municipal waste and such waste must be collected and disposed of sepa rately 2 The public or private waste collection systems defined by local legislation must be used In addition the equip ment can be returned to the distributor at the end of its working life when buying new equipment 3 The equipment may contain hazardous substances the improper use or incorrect disposal of such may have negative effects on human health and on the environment 4 The symbol crossed out wheeled bin shown on the product or on the packaging and on the instruction sheet indicates that the equipment has been intro duced onto the market after 13 August 2005 and that it must be disposed of separately 5 Inthe event of illegal disposal of electrical and elec tronic waste the penalties are specified by local waste disposal legislation Page 4 11 Reading instructions The following symbols are used to draw the reader s a
11. sion and light industry UL 508 UL file number E334756 10 Trouble shooting Check if there is power to the unit according to specification If the power is ok Turn off the power for 5 seconds and see if the relay is energized after power on again If not turn off all the power to avoid risk of injury Unmount one of the cables to the PTC element in the motor If the measured resistance is above 4 5 5 the temperature of the PTC sensor is above the threshold limit and the relay has been released to protect the motor or installation If the measured resistance is more than 1 there is a brokenconnection to the PTC sensor and the relay will not be engaged If the measured resistance is close to 0 0 there is a short circuit on the PTC sensor cables and there is no overheat protection If power and resistance is ok the protection module may be defect and needs replacement Page 15 l Index A Application use 8 D Definitions 5 Dimensions 13 Direct starting compressor 8 Drawings 14 E Enclosure class 13 F Field wiring markings 13 Function 7 Fuse required 13 H Housing material 13 L Lockout mode 6 M Max total resistance 13 Mounting 13 14 N Number of sensors 13 Oil flow monitoring 1 Operation voltage 13 P Part winding compressor 9 Permitted ambient temperature 13 PTC sensor cable length 13 R Relay 13 Reset 13 Restart hysteresis mode 6
12. tion Supply voltage Permitted ambient temper ature Relative humidity Air pressure PTC sensor cable length Relay Fuse required Enclosure class Field wiring markings Terminal torque rating Type of sensor Number of sensors Max total resistance R25 total RTrig RReset Reset Weight Dimensions Mounting Housing material UL file number Terminal wire range SE BI SE B2 230 10 15 50 60 Hz 2VA 24 10 15 50 60 Hz 2VA 24 20 20 50 60 Hz IW 24 VDC version no galvanic isolation 30 C 70 C Max 95 RH non condensing Electronic circuit board is coated 660 hPA to 1060 hPA 120 mm 24 versions Switch voltage 24 VAC VDC Continuous current max 10 mA gold plated contacts SE B3 115 230 VAC 1096 15 50 60 Hz 2VA 9098 350 mm 5 4 230 10 15 50 60 Hz 2VA 24 10 15 50 60 Hz 2VA If current limit is exceeded gold plating will be destroyed and current limit is then like the other versions listed below versions Switch voltage 250 Continuous current max 2 5A Switching capacity VA C300 pilot type use according to UL508 Max 4A fast blow Terminals IPOO Wire type Cu only 14 20 AWG Use 609C copper conductors only 6 lb in 0 7 Nm or equivalent PTC according to DIN 44081 44082 110 9 series lt 1 8 4 5 5 2 7 1 5 Interru
13. ttention to different warning levels E Important information Danger General danger ES Danger of electrical current or voltage 1 2 User manual Before installation the user should be thoroughly familiarized with this user manual especially with purposes installation and operation Special care should be taken when installing and connect ing external equipment PTC sensor high voltage etc and handling the modules correctly according to protection against ESD Installation of the SE BI SE B2 SE B3 SE B4 must be performed by authorized personnel only All warranties are excluded in case installation is performed by unauthorized personnel or in case the 1 5 2 5 3 5 4 has not been correctly installed 1 3 Safety The 5 1 5 2 5 5 4 is a protection device and not a safety component according to the Machinery Directive and can not be used in medical or life support equipment Before plant commissioning the service technician shall ensure that personal safety requirements are met in conformity with the Machinery Directive on the basis of safety estimations Electrical plant failures are to be immediately Solved even though no immediate danger exists the SE B1 SE B2 SE B3 SE B4 and motor must be without power Technical manual SE BI SE B2 SE B3 5 4 2 General The protection devices 5 1 SE B2 SE B3 SE B4 Hereafter SE Bxare used for prote
14. ween the two unnamed terminals is removed After an overheat condition the relay is energized again as soon as the resistance is below the lower threshold level of 2 7 kOhm There is no timer function in the SE Bx Technical manual SE BI SE B2 SE B3 5 4 gt The SE Bx is a motor protection module By monitoring the resistance in a PTC sensor it will open its relay when the resistance of the PTC sensor increases above the limit as shown below The PTC sensor could for example be according to DIN 44081 82 The resistance of these PTC sensors are not linear but gives a steep rise in resistance when the thresh old temperature of the PTC sensor is reached This is detected by the protective device and the relay is released and thereby cutting the control power as shown on the diagram below Safety chain NC Relay lt gt Close Open relay relay Closed OOO 14 12 resistance 2 4 50 Since the increase resistance is so steep from 1 up to 9 PTC sensors can be coupled in series without raising the actual temperature threshold more than a few degrees Celsius Default there is a restart blocking wire jumper to prevent a motor from being started too soon after having been overheated A manual reset must be done by removing power from the module for minimum 5 seconds and then applying it again If the restart blocking wire jumper is rem
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