SE-E1 Technical manual
Contents
1. 85 IEC os 5 8 R3 8 T1 rg T2 Lod i R2 TE D K2 K1 K3 K3T 2 5c be Page 10 Technical manual sen 6 3 Compressor protection module with a part winding compressor Oil flow monitoring with SE E1 and SE B2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 L1 0 ae i 01 L3 O m si N O M PE O oga F3 4A F2 p i y S2e 7 F5 P gt F F6 P lt 7 K4T b 20 K5T gt 22 Se L 11 B1 B2 J T K1 LA K3 A K2 K3T ma a i 9 11 9 SE B1 19 q SE B2 i 3 i db N 12 14 a aie F13 L 9 L1 Black i I L2 Brown L1 L2 L3 Blue Ls SE E1 1 2 N i iw E13 2 Ly M1 5 K1T K2 K1 K1 K1 3 ga s 13 9 10 10 10 CEL k e mal R3 8 1 i ka lt a T2 i H2 QS H1 wa hea K2 K1 K3 KIT i 2 38 N 5 5 5 10 27212111712 47414116 1 h3 16 1719 24 12 1 18 20 25 iU 9 Using 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 dest2. PZLodam BY BITZER GROUP Lodam Compressor Protection Module ee NU tee Technical manual Version 7 0 Contents ll Readthisdtir staen GRUD La UI Cy CY GLEN Fd Fd Cy FO 4 l l Reading instructiOnS lili ii LL LL LL LL LL LLC LLCC LL LL LLY LL eetineeee ees 4 1 2 Usermnariual narsiai FO NU FUDD y DAD a yD 4 1 3 Safety LL LL LL LL LL LL LL LL eevee ese LL LL LL LL LL LL FF FF FF RGR ud 4 2 General dL AR ae Yd UN ou E Uo 5 3 DefinitionSue ee UR a fU FN SG UR CF 5 Abs TOW LO HE HNN HYNN AN FYR NF YY FWA FRYN WNAF HENDY FFF AN FFR FFAN 6 Pe UDIGLOEIS Gu afr ddu Y ed ed FD DN Dd DN DE 8 5 1 Temperature MONItOriNg 2 2 iL LLY LL LL LLY LL LL EEE LLD LY FFF beens 8 5 2 Rotation direction monitoring rir LL LLA cece cece FFF FFF RN 8 5 3 Phase failure MONItOFING 0 LL LL LLY LL LL LL LL LL LLCC FFF FFF FFY 8 6 Examples of application USE LL ccc LL LLC LL LL LL LL L FFF Y LLFu uu 9 6 ConnectiOPlSu ee lu FRAD GYLL F FUR TP GERARD spas a aa eaba AEN 9 6 2 Compressor with delta star connection ee i FL Liu 10 6 3 Compressor protection module with a part winding compressor 11 6 4 Compressor protection module with a part winding compressor 12 6 5 Legend for the schematic diagrams cece cece rirerire 13 7 Technical data seser A a aAa a a Mauaneteaceten 14 6 Dra WNE S erorien o eee Y A RR NN NC CF NR E YN aN 15 O StandardS eeeiiiir rr ee
3. e tte EE eects eee LL E EEEEEEEEEEEEESEEEEEEEEEEEEEEEE EErEE 16 10 Trouble shooting eui ii LL LL LL LL LL LLC LL LLC LL LL LLD LLD LL LD EELEE EEE EE FFF Lund 16 LESU la a EN SN NFYFC FO NA NHY NA NR enous aidan E T 17 Page 2 Technical manual cea Page 3 l 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 user manual entirely and not only partly Any non follow ing of this user manual result in exclusion of all warranties guarantees and liabilities Copyright 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 EOUIPMENT 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 eguip ment can be returned to the distributor at the end of its working life when buying new eauipment 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
4. eading 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 23 01 2015 Contents are subject to change without notice
5. ees Celsius There is a restart blocking function 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 When power is turned on to the SE E1 module the PTC resistance is measured If the measured PTC resistance is below 2 9 kQ The relay is energized immediately If the measured PTC resistance is between 2 9 kQ and 11 4 KQ The relay is first energized when the resistance is below 2 9 KQ i e the compressor has cooled down Page 8 If the measured PTC resistance is above 11 4 kQ The relay is not energized and the module is locked and must be powered off to be released 5 2 Rotation direction monitoring Within the first 5 seconds after start of the compressor the phases for the compressor are monitored against wrong rotation direction wrong phase sequence and phase loss In case of a wrong rotation direction the relay is immediately de energized and the device locks A manual reset must be done by removing power from the module for minimum 5 seconds and then applying it again When the compressor is stopped a pressure difference in the compressor can make it turn backwards and thereby generating a false phase sequence Therefore the detec tion of phase sequence is disabled the first 10 seconds after a compressor stop to avoid a false alarm condition 5 3 Phase failure monit
6. 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 1 1 Reading instructions The following symbols are used to draw the reader s attention to different warning levels Ea Danger General danger Danger of electrical current or voltage 1 2 User manual Before installation the user should be thoroughly Ea 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 E1 must be performed by authorized personnel only All warranties are unauthorized personnel or in case the SE E1 has not been excluded in case installation is performed by correctly installed 1 3 Safety The SE E1 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
7. inal box o Contactor coil Alarm lamp ma Page 6 SE E1 Blue Brown oe ee sod Optional discharge gas temperature sensor Black Technical manual sen Use the SE E with a CSH or HSKC BITZER compressor Reset Terminal box T1 O _ ELELEE Bl Brown gt i Blue Q e Ww T2 L W VW Oil temperature sensor a Page 7 5 FUNCTIONS The SE EI has several monitoring functions which are listed in the following 5 Temperature monitoring One of the functions of the SE E1 is to work as 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 is not linear but give a well defined steep rise in resistance when the threshold 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 Alarm Lockout On On Off PTC temperature 2 9 kOhm 11 4 kOhm Reto Since the increase in resistance is so steep from I up to 9 PTC sensors can be coupled in series without raising the actual temperature threshold more than a few degr
8. lay Time relay for delta star connection Time relay oil flow monitoring Compressor Main switch PTC discharge gas temperature sensor PTC sensors in motor windings PTC sensor in cylinder head discharge gas tempera ture sensor Control switch Manual reset Page 13 7 Technical data Technical specifications Operation voltage Permitted ambient temperature Relative humidity Air pressure L1 L2 and L3 cable Motor voltage Relay Fuse reguired Cabinet protection Terminal connection Field wiring markings Terminal torgue rating Type of sensor Number of sensors Max total resistance R25 total RTrig RReset Reset Weight Dimensions Mounting Housing material UL file number Page 14 115 V 230 V 41096 15 50 60 Hz 3VA 24 VAC 10 15 50 60 Hz 3VA 30 C 60 C Max 95 RH PCB is coated 660 hPa to 1060 hPA Length 300 mm Connector Spade connection 6 3 mm 0 8 1 4 L1 Black L2 Brown L3 Blue 200 600 VAC 50 60 Hz Switch voltage 250 V Continuous current max 2 5A Switching capacity C300 4A quick blow IP20 IP00 Wire type Cu only 20 14 AWG 0 5 mm2 2 0 mm2 Use 60 C copper conductors only 6 Ib in 0 7 Nm or equivalent PTC according to DIN 44081 44082 1 9 in series lt 1 8KO 11 4 KO 22096 2 9 KQ 22096 Interrupt supply power for min 5 seconds 200g 68 4 mm w 32 5 mm d 80 mm h 35 mm snap in or mounting wi
9. 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 E1 and motor must be without power Technical manual sen 2 General The protection device SE El is used for protection of scroll and screw compressors Its relay is used in the safety chain for the compressor and will open in case of a failure Different scenarios can threaten the lifetime of the compressor where the SE EI can protect Overheating The SE El will protect against overheating by monitoring motor temperature by means of PTC sen sors mounted in the motors windings or in the hotgas In case of overheating the module will lock out and open the relay Wrong rotation direction The SE_E monitors the rotation direction of the phases at compressor start and will lock out and open the relay in case of wrong rotation direction Phase failure If a phase is missing at start up SE El opens the relay for 6 minutes After this period a start is allowed again Only a number of retries are allowed before a permanent lock out is performed 3 Definitions ESD HW NC NO PTC Electro Static Discharge Hardware electronics Normally Closed relay Normally Open relay Positive Temperature Coefficient sensor element Page 5 4 HOW to Use the SE E with a Scroll compressor External Control Safety Term
10. oring Phase loss within the first 5 seconds after compressor start de energizes the relay and thereby the security chain After approximate 6 minutes the relay is energized again If phase loss is detected 4 times in sequence or 10 times within 24 hours the device is locked A manual reset must be done by removing power from the module for minimum 5 seconds and then applying it again The count of the 4 events in sequence is reset when start is detected with no phase loss Technical manual cea 6 Examples of application Use 6 1 Connections 1P SP SP 4 E j y Supply L Power supply N Neutral Unnamed PTC element two wires 11 Relay common 12 Relay NO Error condition 14 Relay NC Ok condition Page 9 6 2 Compressor with delta star 1 2 3 4 5 6 7 8 9 10 11 12 13 L10 L2O L3 O F3 4A NO Fi PE Q1 F2 it st oe X S27 B1 4 K2T 18 KIVAA KCRA K2 F5 P gt F 8 15 15 Fe P lt F13 8 a K3T k2 k1 k1 L1 Black 18 18 18 18 T2 Brown Ke IL 11 L2 l L3 Blue i t l SE E1 fi K3 K2 K3 18 18 18 _ _ o o 7 Mi F13 YIA Yan ie M3
11. royed if mounted with wrong polarity Measure the polarity of the two leads and connect the Cl according to the draw ing Page 11 6 4 Compressor protection module with a part winding compressor 1 2 3 4 5 6 7 8 9 L1 O L2 O e L3 O F3 4A N O M 1 PE O7 0 Q1 01 re st e e v S267 B1 e K2T e 18 K1 A K3 A0 F5 P gt 7 8 15 F6 P lt F13 F14 4 L1 Bl blac L1 4 __L2 Brown 2 k 1 4 L3 Blue L3 SE E1 J 1 j l ru N 12 14 k M1 F13 1 7 HIS 2 Samas 53 95 F14 R3 8 T1 eet s T2 1 J w RP FU O K1 K1T bd bd sd max 0 5 sec Page 12 Technical manual SE E1 6 5 Legend for the schematic diagrams B1 F1 F2 F3 F4 F5 F6 F9 F13 F14 H1 H2 K1 K2 K3 KIT K2T K3T M1 Q1 R2 R3 8 R7 S1 S2 Control unit Main fuse Compressor fuse Control circuit fuse Differential oil pressure switch High pressure limiter Low pressure limiter Oil flow switch Thermal motor overload relay Signal light Compressor fault Signal light Over temperature Pressure fault Motor contactors Time relay for part winding operation Time relay Start up de
12. th screws PA66 GF E334756 Technical manual cea o Drawings Mounting is for standard rail 35 mm according to DIN EN 60715 or with screws L 55 5 0 5 p J Shown without wire for N o 5 2x Mountinghole Page 15 O 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 EMC 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 profession and light industry UL 508 UL file number E334756 Page 16 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 Ps 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 11 4 kQ ffl5 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 MO there is a broken connection to the PTC sensor and the rela
13. y will not be engaged If the measured resistance is close to O O there is a short circuit on the PTC sensor cables and there is no overheat protection If all three phases are within range and resistance is below 2 9 KQ ffl5 the protection module may be defect and needs replacement Technical manual cea 1 Index C Connections 9 D Definitions 5 Delta star connection 10 Dimensions 14 Drawings 15 F Functions 8 H How to 6 M Motor voltage 14 Mounting 15 O Operation voltage 14 P Part winding compressor 11 Permitted ambient temperature 14 Phase failure monitoring 8 R Rotation direction monitoring 8 S SE E1 with a CSH or HSKC BITZER compressor 7 SE EI with a Scroll compressor 6 Standards 16 T Technical data 14 Temperature monitoring 8 Trouble shooting 16 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 l
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