Bitzer ECOSTAR LHV6/2DC-3.F1, Instruction Manual

Page 1: ...grated checkpoints 13 4 Application examples 14 4 1 Possibilities of compressor control 14 4 2 Optimising energy 17 4 3 Reducing the sound level 21 4 4 Winter start menu 4 2 7 21 4 5 Digital inputs 22...

Page 2: ...llowing pages explain how to set the control The factory setting already allows the energy optimised operation at to 10 C with R404A 2 1 Function The condensing unit is operated by a program med logic...

Page 3: ...wo text lines with 8 characters each The menu number is not displayed In the following the menus are mentioned with the menu numbers from chapter 7 For an easier identification the text of the first l...

Page 4: ...e next higher menu level Press ESC Setting parameters The menus in which parameters may be set are shown darker in the menu structure Changing parameters y Open a menu item and press y The parameter i...

Page 5: ...chap 7 y Initial state Menu 1 is displayed SET or SOLL refrigerant y Press to open the next menu Menu 2 CODE is displayed y Press 0 in the bottom line is flashing Enter the user code by pressing Facto...

Page 6: ...d fig 1 For the entire menu structure see chapter 7 State of delivery y Menu language English y Refrigerant R404A y Setpoint evaporation temperature to 10 C y Control of compressor suction pressure gu...

Page 7: ...ime manual automatical 2 5 Authorizations for settings 2 profiles with different authorization levels are preset user and installer y USER or NUTZER factory setting code 1 Displayed menus menu 1 2 and...

Page 8: ...ematic wiring diagrams 3 OLC K1 4 R5 H2 H3 S2 S5 S6 Y1 2 X101 X102 4 Caution High voltage The most terminals of terminal strip X101 are energized by 230 V when condensing unit is switched on Before wo...

Page 9: ...on H3 Signal lamp failure R1 Resistance 10 k R2 Resistance 150 R5 Sensor for cold store temperature R6 Crankcase heater S2 External release S5 S6 Digital inputs DI1 and DI2 Y1 Solenid valve in liquid...

Page 10: ...ing 2 terminal blocks fig 3 This space may be used for example for external release S2 for one or two relays digital inputs DI1 and DI2 or for an isolation amplifier connection of the setpoint adjustm...

Page 11: ...KT 200 2 11 violett violet blau blue braun brown grau grey rosa pink...

Page 12: ...kgas Temperaturf hler Umgebungs Temperaturf hler Hochdruck Transmitter Niederdruck Transmitter Relaismodul Sicherung des L fters 1 Sicherung des L fters 2 Klemmleiste Schutzger t Schutzger t F hler f...

Page 13: ...checkpoints Several checkpoints have been integrated in the Ecostar condensing unit for automatic control See figure 5 3 2 DI1 DI2 S5 S6 2 DI1 DI2 y 1 1 DI1 S5 X102 3 8 2 y 2 2 DI2 S6 X102 4 9 4 5 3...

Page 14: ...e guided and temperature guided compressor control Suction pressure guided compressor control factory setting 4 4 1 4 1 2 COM MODE VERDMODE Fig 6 Suction pressure guided control of compressor Legend s...

Page 15: ...type of control the cold store temperature is kept at a constant level Temperature fluctuations of less than one degree may be achieved However it is only possible for one cold store per Ecostar cond...

Page 16: ...ture sensor connection R5 Digital input 1 DI1 connection for the potential free contact S5 Digital input 2 DI2 connection for the potential free contact S6 Interface Ecostar control Interface control...

Page 17: ...options for increasing evaporation temperature and suction pressure y time dependent by means of an integrated weekly timer y infinitely by means of setpoint adjustment analogue control signal by ext...

Page 18: ...ically in eco mode Infinite suction pressure increase The suction pressure may be set infinitely by means of setpoint adjustment This function is activated in menu 4 2 2 5 ADJUST or EXT JUST In additi...

Page 19: ...rolled infinitely by default the fans are operated in eco mode The fan speed is determined by the temperature difference between condensing and ambient temperature Apart from that the speed characteri...

Page 20: ...it might be necessary to increase the lower switch on level in case of unfavourable configuration to guarantee a certain minimum pressure upstream of the injection valve When the upper switching thre...

Page 21: ...ing y for R134a to 5 to 20 C y for R404A to 5 to 20 C The sound insulation hood is fastened using Velcro straps This allows fast and simple retrofitting The Ecostar condensing unit may also be deliver...

Page 22: ...etting 45 min y Enter the running time of the compressor menu 4 2 7 5 T RUN Factory setting 2 min When activating winter start it might be necessary in some cases to shortly deactivate the evaporation...

Page 23: ...heckpoint low pressure transmitter B4 y Connect the external potential free contact via the digital input to the control see schematic wiring diagrams A typical application example are roller blinds u...

Page 24: ...See chapter 4 4 y Connect the external potential free contact via the digital input to the control see schematic wiring diagrams y Winter start is activated when closing the contact of the correspondi...

Page 25: ...ufficient flow velocities Therefore it is possible to increase the compressor speed in adjustable time intervals to a definable fixed value menu 4 2 8 OIL RETURN or LR CK F HRUNG If suction pressuregu...

Page 26: ...contact recommended signal voltage 3 3 V Alternatively a coupling relay with gold contacts can be mounted in the terminal box of the condensing unit y Connection for setpoint adjustment Analogue input...

Page 27: ...cuit breaker type B inverter resistant sensitive to all current types with a nominal residual current of 100 mA if the discharge current is to be protected Such a circuit breaker is not suitable for p...

Page 28: ...and do all 3 phases exist y Is control voltage applied between L1 and N 230 V y Is the main switch switched on y Is a voltage of 24 V applied to the terminals 1 and 2 of the terminal strip CN15 of th...

Page 29: ...9 PAUSEMIN y Is monitoring of the application limits activated menu 3 4 8 LIMITER or BEGRENZ Export the number of times the application limits have been exceeded each day menu 3 4 14 LIMITER or BEGREN...

Page 30: ...Compressor is shut off and fault lamp in display lights up Faillure contact at terminal 15 terminal strip X101 is activated Once the cause of the fault has been removed the control will reset automat...

Page 31: ...KT 200 2 31 y No cause of failure anymore Lower case letter w a c Failure is still saved Press to delete Short text Brief description of failure in 8 letters fig 11 pos 3 y w a c 8 11 3...

Page 32: ...CN5 B1 2 3 12 k R 13 k 20 C W104 W105 Stromkreis K hlraum Temp f hler unterbrochen kurzgeschlossen Circuit of cold store temperature sensor opened or short circuit Kabel und Steckverbind pr fen Klemm...

Page 33: ...tric cable FI compressor or in compressor itself FI Isolierung des Kabels FU Verdichter und Isolationswiderstand des Verdichtermotors berpr fen Check insulation of the cable FI compressor and insulati...

Page 34: ...essor and FI Wait 5 min Dismount FI Check the position of the connector on the output of FI Remount FI and restart it Replace FI ou compressor if necessary FI 5 FI FI FI FI W579 Zwischenkreis Spannung...

Page 35: ...defective Signalspannung 230 V am Relaismodul CN21 K5 5 berpr fen Check signal voltage 230 V at relay module CN21 K5 5 CN21 K5 5 230 V C602 lniveau zu niedrig Oil level too low lniveau pr fen lr ckf h...

Page 36: ...roller B1 B1 W908 Datenfehler in der Echtzeituhr der Steuerung Ecostar war zu lange ausgeschaltet Data failure in real time clock of control Ecostar has been switched off too long Ecostar Datum und Uh...

Page 37: ...Make sure that the FI and all secondary devices are voltagefree before opening the terminal box of compressor or FI housing Switch off the main switch remove the main fuses Wait for at least 5 minutes...

Page 38: ...off main switch X101 230 V Attention Protect controller B1 from overvoltage Apply a voltage of 24 V maximum B1 24 V T1 Transformer Q1 Main switch K1 Compressor contactor N2 Speed regulator of fans X1...

Page 39: ...cable 12 mm provided with eyes on one side order number 34411605 y Set the control to OFF or AUS in menu 3 2 MODE or MODUS 6 4 FI N1 y 400V 3 50Hz y 460V 3 60Hz 50 60 Hz y 3 PE 1 m 2 5 mm2 4 mm2 12 m...

Page 40: ...ry to change the compressor motor from delta to star wiring y Connect a new cable between contactor K1 and motor pins of the compressor see fig 14 Use a new cable that has an eye on compressor side Ph...

Page 41: ...d regulator of the condenser fans N2 If the speed regulator N2 fails the condenser fans M2 and M3 can be switched on and off individually by means of the control Speed regulation is impossible in this...

Page 42: ...factory settings All parameters are reset to factory settings Therefore we recommend to note down before the most important basic settings at least menu 4 1 BASIC SETTING or GRUND EINSTEL y Set the c...

Page 43: ...ical Information the individual menus are mentioned with their menu numbers In addition the English and German texts of the first line are given in brackets Bright menus These menus are read only Para...

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Page 48: ...nderungen vorbehalten Subject to change 12 09 80307001 534 0024 1 10 13 M 1 2F Tel 06 6948 8592 Fax 06 6948 8593 www bitzer jp info bitzer jp...