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General| Brand | Marconi |
|---|---|
| Model | LORAIN RHM800E50 |
| Category | Industrial Electrical |
| Language | English |
Covers order acceptance, pricing, payment terms, and taxes.
Details product handling, substitutions, order changes, and cancellation policies.
Outlines product warranties, limitations of liability, and indemnity clauses.
Covers insurance, software license, governing law, and assignability.
Guidance on connecting voltage sensing and temperature module leads.
Safety warning to turn off rectifiers before removing leads.
Manual covers testing, adjustment, maintenance; safety for critical loads.
Rectifier powers load and charges battery in positive grounded systems.
Details voltage, regulation, filtering, and current ratings.
Specifies nominal voltage, frequency, and typical input data.
Lists features like power circuit, input protection, efficiency, and displacement factor.
Details current limiting, short circuit, and overvoltage shutdown.
Describes remote sensing and various alarm conditions.
Lists tools and test equipment for manual procedures.
Guidance on placement, wiring, mounting, and ventilation requirements.
Connecting AC input, DC output, and earth ground terminals.
Warning about severe electrical shock hazard from AC voltage.
Connecting for voltage sensing, load sharing, and remote equalize control.
Explanation of rectifier fail alarm conditions and signals.
Procedures for starting, stopping, and understanding controls and indicators.
Describes float/equalize modes and automatic shutdown triggers.
Explains indicators for voltage, current, fuse, and fan failure alarms.
Describes meters and float/equalize charging mode indications.
Steps for preparing the rectifier before initial startup.
Detailed steps for safely starting the rectifier for the first time.
Steps for connecting remote sensing leads and powering up AC input.
Procedures for starting, stopping, and front panel controls.
Explains POWER ON, High/Low Voltage, Low Current, Fuse, and Fan Failure indicators.
Illuminates when output voltage exceeds high voltage alarm value.
Illuminates when output voltage drops below low voltage alarm value.
Explains indicators for low current, fuse, and fan failure alarms.
Describes meters and float charging operation.
Explains the higher voltage for equalizing battery cells or fast recharge.
Lists conditions leading to automatic shutdown.
Describes overvoltage shutdown and ripple regulator circuits.
Covers batteryless operation, cooling system, fuses, and circuit cards.
Potentiometers are factory set; trained personnel should perform adjustments.
Accessible potentiometer to set the float output voltage.
Adjustments should only be attempted by trained service personnel.
Accessible potentiometer to set the equalize output voltage.
Float voltage adjustment can affect equalize voltage.
Potentiometer to set the current limit value for output.
Potentiometer to set the low voltage alarm trip point.
Potentiometer to set the high voltage alarm trip point.
Potentiometer to set the low current alarm trip point.
Exercise caution due to hazardous DC voltage during adjustment.
Potentiometer to set the overvoltage shutdown limit.
Adjusting load sharing for proportional output in parallel rectifiers.
Adjusts ripple current to reduce output voltage.
Warning about hazardous AC voltage during the procedure.
Rectifier provides regulated DC power from AC for load and battery charging.
Describes AC power input via contactor and transformer.
Provides ±12 VDC for Regulator and Alarm Card A7.
Explains the six-phase rectifier using diodes and thyristors.
Controls output voltage and current using integrated circuitry.
Senses output current and manages current regulation.
Generates thyristor firing pulses based on regulator signals.
Prevents rapid initial load application with a timed delay.
Allows proportional load sharing with other rectifiers.
Describes alarms for low current and voltage deviations.
Monitors output voltage and explains shutdown and alarm logic.
Details ripple regulator, fuse alarm, and temperature sensing circuits.
General approach, fault isolation chart use, and safety precautions.
Safety precautions for using test equipment.
General guidance for repairs and replacements.
Guidance on replacing cards and visual inspection for faults.
Guidance on using test procedures to check components and signals.
Flow chart for diagnosing rectifier issues.
Continuation of the rectifier troubleshooting flow chart.
Final part of the rectifier troubleshooting flow chart.
Outlines for diodes and thyristors to aid identification.
Procedures referenced on the fault isolation chart for diagnostics.
Procedures for testing capacitors, diodes, and reference lead continuity.
Checking gating outputs from Regulator and Alarm Circuit Card A7.
High voltage safety warning during the procedure.
Checking gating outputs from firing circuit cards.
Safety warning about using an ungrounded oscilloscope.
Checking thyristors for open or shorted conditions.
Checking the operation of the load sharing circuit.
Table showing output voltage/load sharing voltage relationships.
Procedure for starting rectifier after battery disconnection.
Procedure to restart rectifier after prolonged AC failure.
Warning about AC voltage at input contactor K2.
Power Data Sheet contains input/output ratings and dimensions.
Notes on parameters guaranteed by design and not production tested.
Specifies operating temperature, humidity, and altitude limits.
States heat dissipation and notes unavailability of accessories.
Lists schematic, wiring diagram, and instructions references.
Covers mounting, output disconnect, phase loss alarm, and restart circuit.
Terminals for external DC supply and environmental ratings.
Diagrams showing front, side, top, and bottom views with dimensions and notes.
Diagram for connecting AC input, DC output, and earth ground terminals.
Diagrams for auxiliary power and alarm/control terminal connections.
Notes on terminal capacity, type, torque, wire size for AC input, DC output, and ground.
Notes on alarm/control terminal capacity, type, torque, and wire size.
Guidance on wire sizing, remote sensing, and load sharing connections.
Rectifier status indications and alarm control logic.
Terminals for starting, stopping, and voltmeter readings.
Interchanging input phases to reduce distortion in parallel operation.
Connecting auxiliary supply for automatic restart after AC power failure.
Diagram showing all wiring connections with component information.
Lists components used in the schematic diagrams.
Describes the SFC SCR Fire Circuit function for firing SCRs.
Describes the FAN FAIL CARD circuit function.
Describes the ALARM INTERFACE circuit function.
Describes the REGULATOR AND ALARM circuit function.
Describes the POWER SUPPLY circuit function.
Describes the RIPPLE REGULATOR circuit function.
Component information for wiring diagram.
Wiring for the SCR Firing Circuit.
Detailed diagram showing all wiring connections and component locations.
Toll-free numbers for technical assistance, parts, depot repair, and training.
Guidelines for calling the Help Desk and information required.
Lists field support locations in various US states, Canada, Mexico, and UK.
Lists services like field service, depot repair, training, and test equipment.
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