D GB F E BCM2000 Bock Compressor Management 09794-05.
Foreword Dear Customer, The BCM 2000 (Bock Compressor Management) has been developed by Bock. It constitutes a compact compressor monitoring unit with logical, simple functions. The unit can be used for early detection of faults, to reduce damage and failures, and thus to increase the operating reliability and service life of your refrigerating compressor or refrigerating machine. The unit has been designed and certified only for Bock hermetic compressors.
Contents Contents Foreword 2 Safety instructions 4 Technical data 4 Structure / functions 4 Standart settings 6 Adjustable setting 6 Sensor details 6 Electrical connection 7 - General 7 - Connecting the unit 7 - Integration of additional switching and control components 9 Checking functions 9 Activating or bridging certain monitoring functions 10 F Reset button 11 E Error messages - information messages - emergency operation 11 - Temperature displays 12 - Oil pressure disp
Product description Safety Work on the BCM 2000 may only be carried out by persons whose technical training, skills and experience together with their knowledge of pertinent regulations means that they are capable of assessing the work to be carried out and detecting any possible dangers. Safety instructions CAUTION HIGH-VOLTAGE CURRENT! Only qualified electricians are allowed to handle the unit. The monitoring unit BCM 2000 is mounted in the compressor connection box.
Structure / functions The BCM 2000 is used solely for monitoring the operation of BOCK refrigerating compressors. All monitoring parameters have been coordinated exactly to the compressor connected up in the factory. Product description Incoming signals are detected as status, information or error messages and processed to release, shutdown and reporting functions. The unit does not exercise any regulating function.
A Standard settings Monitoring Procedure Value Motor temperature Compressor switched off at motor overtemperature Reset release when cooled down after motor overtemperature Oil temperature Automatic release after the oil has pre-heated or automatic release after maximum pre-heating time Automatic shut-down of the compressor at oil overtemperature Automatic release when cooled down after oil overtemperature Automatic shut-down of the compressor at oil undertemperature 25° C1) 30 min 120° C 95° C 17°
Electrical connection Electrical Electricalconnection connection General The unit has two different connection blocks: 1) Power supply section B 2) Control section C The power supply section is for connection to the machine mains voltage. It is to be integrated in the machine control by the refrigerating engineer (qualified engineer). The unit is to be integrated in first position of the safety chain.
09794-05.2012-DGbFEI ca. 10 - 40 min.
Checking functions Integration of additional switching and control components • Auxiliary contactor K1.1 An auxiliary contactor K1.1 is provided to protect the contacts in the unit (max. tol. load AC 250 V / 3 A / 750 VA ind.) • Delay relay K2T A delay relay K2T 10 - 60 min is to be superposed so that various operating interruptions are not indicated as fault (adjustment range approx. 10 to 60 minutes, settling time 40 min.
Activation / bridging the monitoring functions Procedure for checking the oil pressure function 1 Disconnect from the mains Disconnect the sensor (terminal 22) 2 Insert wire bridge L1 - 5 3 Apply mains voltage The corresponding LED must light up after approx. 90 s delay 4 Disconnect from the mains, remove the wire bridge (see no. 2), connect sensor (see no.
Reset, messages, emergency operation Reset General Every message can be quit with reset. The procedure can be repeated as often as necessary. Reset button Caution! First rectify the fault, then release the compressor. After quitting the fault with the reset button, the compressor starts up again without any delay Quit fault (e.g. oil fault) Reset LED on LED off Compressor starts up immediately. Exception: longer power failure.
Messages and emergency operation Display Fault message a) Reset to initial function Possible after cooling down to operating temperature Reset gas temperature 1 Compressed too high. LED ON / Compressor OFF Fault message 2 GB F Winding temperature too high. LED ON / Compressor OFF Function bridged (emergency operation - no safety function) Possible without cooling down to operating temperature + Reset Switch 1 Off Compressor starts up immediately.
Messages and emergency operation Display a) Reset to initial function b) Function bridged (emergency operation - no safety function) Fault message + Reset 4 Oil pressure too low LED ON / Compressor OFF Compressor starts up immediately. LED OFF Reset Switch 4 Off Compressor starts up through machine control. LED flashes Fault message + Reset 5 Combined function 1: Liquid at start LED ON / Compressor OFF Compressor starts up immediately. LED OFF 5 + 6 are bridged.
Spare parts and accessories Spare parts and accessories General The basic BCM 2000 unit is designed and programmed in the factory to work with the corresponding compressor. This guarantees the best possible functional reliability. When spare parts are required, we must know the compressor type and machine number before delivering an individual unit to ensure that it will function properly. Overview of spare parts / accessories Item. Designation Art. No.
Troubleshooting What ? What to todo, do,when when...…. Display Possible fault causes or information message > Check control fuse and voltage at terminals L and N on the BCM 2000 Control voltage is ON but no LED lights up > Interruption (open contact) in the safety chain. Check all integrated switches and units for continuity LED „power on“ and „compressor on“ light up but the compressor does not turn Fault message 1 = compressed gas temp.
Troubleshooting Display Possible fault causes or information message Fault message > Refrigerant or oil displaced in the machine > Check electric valve, solenoid in liquid pipe for function and leaks 5 = liquid at start Fault message 6 = compressor not turning LED ON / Compressor OFF D GB F E Information message 7 = Surge op. too high LED ON / Compressor ON > One or all power supply phases not connected.
Fault memory: The Bock BCM 2000 (v1.4) software provides the possibility of exporting the complete fault memory of the BCM 2000 to a text file thus making a backup of it. Procedure for backing up the fault memory: 1. 2. 3. 4. A voltage of 230 V must be applied between L1 and N of the BCM 2000. The BCM 2000 must be connected to a PC using the special cable. Start the BCM 2000 software and wait until the fault report is read out.
Excellence D Passion Integrity Responsibility GEA-versity GEA Group is a global engineering company with multi-billion euro sales and operations in more than 50 countries. Founded in 1881, the company is one of the largest providers of innovative equipment and process technology. GEA Group is listed in the STOXX Europe 600 Index. GB F GEA Bock GmbH Benzstraße 7, 72636 Frickenhausen, Germany Telephone: +49 7022 9454-0, Fax: +49 7022 9454-137 bock@gea.com, www.bock.de 18 09794-05.
