Hermle Z 400 K Operating instructions

Service Instructions
for
Table Top Refrigurated Centrifuge
Z 400 K

CONTENTS
6 TECHNICAL DATA
7 SERVICE INSTRUCTIONS
8 TROUBLE SHOOTING

CONTENTS
9 MAINTENANCE
10 CIRCUIT D IAGRAMS
11 SPARE PARTS LIST

6 TECHNICAL DATA
6.1 Acceleration times Z 400 and Z 400 K (120 V / 230 V) in seconds
Rotor - number fast slow
220.27 V02 45 120
220.86 V01 45 103
220.50 V06 30 60
220.81 V06 25 37
220.96 V02 27 63
220.97 V02 23 49
220.87 V03/V04 34 42
220.88 V01 28 37
220.92 V01 25 37
221.02 V01 30 60
221.03 V01 30 65
220.93 V01 45 105
221.08 V01 67 120
221.16 V01 40 55
6.2 Deceleration times Z 400 and Z 400 K (120 V / 230 V) in seconds
Rotor - number fast Slow
220.27 V02 52 100
220.86 V01 51 97
220.50 V06 30 77
220.81 V06 30 57
220.96 V02 26 60
220.97 V02 40 115
220.87 V03/V04 55 62
220.88 V 01 33 57
220.92 V01 30 57
221.02 V01 40 60
221.03 V01 30 60
220.93 V01 50 100
221.08 V01 58 110
221.16 V01
6.3 Imbalance shut off data Z 400 K (120 V / 230 V)
Rotor - number
Shut off speed in
rpm
Admissible imbalance
in gram
Shut off imbalance
in gram
220.27 V02 900 - 1000 12 14
220.86 V01 900 - 1000 12 14
220.50 V06 900 - 1000 24 26
220.81 V06 1100 - 1200 30 32
220.96 V02 900 – 1000 30 32
220.97 V02 900 – 1000 28 30
220.87 V03/V04 1100 – 1200 15 17
22 0.88 V01 6000 – 6500 10 12
220.92 V01 6000 – 6500 12 14
221.02 V01 800 – 900 14 16
221.03 V01 900 – 1000 12 14
220.93 V01 800 – 900 18 24
221.08 V01 900 - 1000 8 10
221.16 V01 900 - 1100 18 22

6 TECHNICAL DATA
6.4 Lowest temper atures Z 400 K (120 V / 230 V)
Rotor - number max. - rpm
220.27 V02 - 8°C
220.86 V01 - 8°C
220.50 V06 - 10°C
220.81 V06 - 10°C
220.96 V02 - 10°C
220.97 V02 - 10°C
220.87 V03/V04 - 2°C
220.88 V01 - 4°C
220.92 V01 - 4°C
221.02 V01 - 4°C
221 .03 V01 - 4°C
220.93 V01 - 8°C
221.08 V01 + 2°C
221.16 V01 - 8°C

7 SERVICE INSTRUCTIONS
7.1 General technical description
Z 400 K
Z 400 K
Please follow below mentioned safety instructions for any kind of service actions:
7.2 Electrical and electronically components
7.2.1 Power board
7.2.2 Operation / Control panel

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7.2.3 Frequency converter
7.2.4 Rotor recognition and over speed protection
7.2.5 Speed signal
7.2.6 Lid contact
7.2.7 Imbalance detection

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7.3 Self test program
7.3.1 Activating the self test program
The program can be started as follows:
7.3.2 Keyboard test
KEY DIGIT

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7.3.3 Indication test
7.3.4 Input signal test
ATTENTION:
During this self test it is possible that the motor is triggered uncontrolled by the converter.
That means, the motor could start turning without pressing the "START" key.
Please make sure t here is nothing inside the rotor chamber except the tightened rotor during the
self test.
TAKE CARE OF YOUR FINGERS!

7 SERVICE INSTRUCTIONS
Lid lock:
Speed sensor:
Rotor sensor:

7 SERVICE INSTRUCTIONS
Imbalance sensor:
Serial interface :
Converter (readiness for service):
The input signal test can be exited by pressing the "STOP" key and returned to the main menue.

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7.3.5 Output signal test
Break or Fan relay:
Refrigeration :
Converter relay :
Lid lock :

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AC: without function
The output signal test can be exited by pressing the "STOP" key .
7.3.6 Indication of software version
7.3.7 Extracting frequency converter data
Converter voltage coding :

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Link voltage :
Converter software version :
7.3.8 Motor run - in
Exit the self test program by switching the centrifuge off .

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7.3.9 Operation menu
7.3.9.1 Starting the operation menu
7.3.9.2 Operation hours indication
7.3.9.3 Operation minutes indication

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7.3.9.4 Start counter
D Exit the operation menu by switching the centrifuge off .
7.4 Mounting support
After performing any kind of assembling work, please make sure all the grounded contacts
are connected correctly !
7.4.1 Replacing the control panel

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7.4.2 Replacing the lid lock
7.4. 3 Removing the housing

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7.4.4 Removing the lid

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7.4.5 Replac ing the motor

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7.4.6 Replacing the power board
7.4.7 Replacing the frequen cy converter