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General| Brand | Hettich |
|---|---|
| Model | UNIVERSAL 32 |
| Category | Laboratory Equipment |
| Language | English |
Explains the functional structure of microprocessor-controlled centrifuges and their electrical components.
Describes the Control Panel (CP) as the central control unit and its individual tasks.
Details the individual functions performed by the Supply Board (SB).
Details the individual functions performed by the Frequency Converter (FC).
Outlines key features like multiprocessor concept, interface, and hardware concepts.
Describes the motor and its associated speed sensor (tacho system).
Explains the function and behavior of the imbalance switch.
Details the safety interlocking mechanism for the lid.
Explains the cooling behavior and components like sensors and relays.
Describes the function of the fan in cooling the refrigerant.
Explains the process of offset calibration for temperature sensor and electronics.
Lists the various protection mechanisms implemented in the centrifuge.
Specifies checks for correct power supply and intact fuses.
Details the steps for performing a functional check on the control panel.
Outlines the procedure for diagnosing errors using error codes and functional checks.
Provides a list of error designations, their numbers, brief descriptions, and page references.
Details error causes, consequences, remedies, and measurement steps for specific errors.
Shows the layout and fields of the control panel.
Details the steps for initializing the frequency converter and centrifuge.
Explains how to set the imbalance mode during initialization.
Describes the process of aligning the temperature sensor and CP electronics.
Explains how to activate or deactivate the acoustic signal.
Describes how to view and reset the hours of operation.
Explains how to check the drive slippage against rated speed.
Describes how to readjust the display contrast on the control panel.
Lists required accessories and measured values for factory functional checks.
Explains how to determine if the centrifuge is in proper working order.
Details additional checks required after repairs for proper working order.
Instructions for removing the front panel.
Instructions for removing and exchanging the control board (CP).
Instructions for removing and replacing the EPROM on the control board.
Instructions for removing and replacing the speed sensor.
Instructions for removing and replacing the motor.
Instructions for removing and replacing the frequency converter.
Instructions for removing and replacing the brake resistor.
Instructions for removing and replacing the overtemperature fuse.
Instructions for removing and replacing the supply board.
Instructions for removing and replacing the radio interference suppression filter.
Instructions for assembling, disassembling, and shorting the mains choke coil.
Instructions for removing and replacing the mains switch.
Instructions for removing and replacing the appliance plug and overvoltage protection.
Instructions for removing and replacing the imbalance switch.
Instructions for removing and exchanging the lid lock.
Instructions for removing and replacing the cooling board.
Instructions for removing and replacing the temperature sensor in the centrifuge chamber.
Instructions for removing and replacing the temperature sensor at the condenser.
Provides the circuit diagram for mains supply and the supply board.
Details the circuit diagram for the supply board (SB).
Shows the connecting diagram and component layout for the supply board.
Illustrates the signals in the control cable between the CP and SB.
Presents a block diagram of the control board (CP).
Shows the connecting diagram for the control board (CP).
Details the block diagram of the FC and signals in the control cable.
Shows the connecting diagram for the frequency converter (FC).
Presents a block diagram of the cooling board (CB) for the UNIVERSAL 32 R.
Shows the connecting diagram and component layout for the cooling board (CB).
