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Hermle Z 306 - User Manual

Hermle Z 306
52 pages
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© Hermle Labortechnik GmbH Service Manual Z 306 V2.13/2013
Service Manual
for
Universal Centrifuge
Z 306

Table of Contents

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Summary

Technical Data

Acceleration times Z 306 (120 V; 230 V) in min;sec

Table detailing acceleration times for various rotors at different speed levels.

Decelertaion times Z 306 (120 V; 230 V) in min; sec

Table detailing deceleration times for various rotors at different speed levels.

Imbalance shut off data Z 306 (120 V; 230 V)

Table specifying shut-off speeds and permitted imbalance for rotors.

Service Instructions

General technical description

Describes the Z 306 centrifuge, its motor, control system, and safety features.

Electrical and electronically components

Details the key electrical and electronic components of the centrifuge.

Power board

Describes the power board's function in supplying low voltage to the control system.

Control board

Details the control board, its exchangeability, and its central role in centrifuge operation.

LCD Display

Explains the elements and messages displayed on the centrifuge's LCD screen.

Control panel

Describes the control panel layout, including the LCD, potentiometer, and keys.

Frequency converter

Explains the function of the frequency converter in generating drive signals and handling deceleration.

Rotor recognition

Describes how the centrifuge identifies installed rotors via a transponder and aerial.

Over speed protection

Details how the unit prevents the rotor from exceeding its permitted maximum speed.

Speed signal

Explains the hall-effect sensor used for speed measurement and comparison.

Lid contact

Describes the micro switch that ensures the lid is properly closed for operation.

Imbalance detection

Explains the two methods used for imbalance detection: micro switch and movement sensor.

Operation;service menu

Activation of the operation menu (Part 1)

Provides step-by-step instructions for users to access the operation menu.

Submenu motor starts

Details how to access and read the total number of motor starts.

Submenu duty cycle

Explains how to view the unit's operational duty cycle.

Submenu running time of the motor

Describes how to check the total operating hours of the motor.

Submenu software status

How to read the current software status of the centrifuge.

Submenu software status of the frequency converter

How to check the software status of the frequency converter.

Submenu error memory

Explains how to access and review the last 99 error messages recorded by the unit.

Submenu setup of the signal transmitter

Details how to enable/disable audible signals for end of run or error messages.

Submenu setup of the keypad tone

Explains how to turn the audible keypad tone on or off.

Submenu setup volume of the signal generator

Describes how to adjust the volume level for audible signals.

Submenu Setup of the signal melody

Details how to select different audible melodies for signals.

Submenu Check and calibration of the imbalance sensor

Instructions for checking and recalibrating the imbalance sensor.

Submenu Indication of the imbalance value of the rotor

How to read the imbalance value associated with the installed rotor.

Submenu keyboard test

Procedure to test the functionality of the foil keyboard.

Submenu indication of the revision number of the control panel; Check of the external imbalance sensor

How to check the control board revision and the external imbalance sensor function.

Activation of the service menu (Part2)

Submenu Adjustment of the centrifuge type

Instructions for adjusting the centrifuge type setting on the control board.

Submenu adjustment of the operation mode

How to adjust the unit's operation mode (e.g., cooled, heated).

Submenu Adjustment;Correction of the imbalance cut off value

Details how to adjust or correct the imbalance shut-off threshold value.

Mounting support

Replacing the front housing, the incremental shaft encoder (potentiometer) and the display

Step-by-step guide for replacing the front housing, shaft encoder, and display.

Replacing the incremental shaft encoder (potentiometer)

Instructions for removing and replacing the shaft encoder or potentiometer.

Replacing the display

Step-by-step guide for removing and replacing the LCD display unit.

Replaicing the foil keyboard

Instructions for replacing the foil keyboard on the control panel.

Removing the housing

Guide on how to remove the main housing of the centrifuge.

Replacing the lid gasket

Instructions for removing and replacing the lid seal.

Removing the lid

Steps for safely removing the centrifuge lid.

Replacing the hinges

Instructions for replacing the lid hinges.

Replacing the aerial (antenna or rotor sensor)

Guide on how to replace the aerial used for rotor sensing.

Replacing the motor resp. the motor rubber bearings

Instructions for replacing the motor and its rubber mounting bearings.

Trouble Shouting

Error messages: Cause; Solution

Explains how error messages are listed to help diagnose and resolve issues.

Survey of possible error messages and their solutions

Provides an overview of potential error messages and troubleshooting steps.

Lid release during power failure

Procedure for manually opening the lid during a power failure.

Description of the error message system

Explains how error codes are displayed on the unit's time display.

Errors that may be indicated in the LCD display

A table listing error numbers, descriptions, and their potential causes.

Maintenance

Maintenance and cleaning

Covers general care, cleaning, and disinfection procedures for the unit and accessories.

General

General guidelines for maintaining the centrifuge, rotor, and accessories.

Cleaning and disinfection of the unit

Detailed steps for cleaning and disinfecting the centrifuge unit and its components.

Cleaning and disinfection of the rotor

Instructions for cleaning and disinfecting rotors, lids, and adapters.

Disinfection of aluminium-rotors

Guidelines for disinfecting aluminum rotors, including autoclaving.

Disinfection of PP-rotors

Instructions for disinfecting PP rotors, including autoclaving recommendations and warnings.

Glass breakage

Information on handling glass breakage and removing splinters to prevent damage.

Service life of rotors, round and rectangular buckets, accessories

Details the recommended service life for various centrifuge components.

Flow diagrams

Flow diagram 230 V; 120 V; 50-60 Hz, page 1

Electrical schematic for the centrifuge's power and control systems (Part 1).

Flow diagram 230 V; 120 V; 50-60 Hz, page 2

Electrical schematic for the centrifuge's power and control systems (Part 2).

Control board

Labeled diagram of the control board, showing connector functions.

Spare part list

Hermle Z 306 Specifications

General IconGeneral
TypeCentrifuge
Max. Capacity6 x 50 ml
Timer1 - 99 min, continuous
Weight21 kg
Power Supply230V, 50/60 Hz

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