Agilent Technologies 1200 series User manual

Agilent Technologies
Agilent 1200 Series
Autosampler Thermostat
User Manual
1200 Series AT User Manual

1200 Series AT User Manual
Notices
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Manual Part Number
G1330-90011
Edition
11/08
Printed in Germany
Agilent Technologies
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76337 Waldbronn
Research Use Only
Not for use in Diagnostic Procedures.
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1200 Series AT User Manual 3
Contents
Contents
1 Introduction 5
Introduction to the Thermostatted Autosampler 6
Autosampler Thermostat Operation 8
Electrical Connections 10
2 Site Requirements and Specifications 13
Site Requirements 14
Physical Specifications 17
Performance Specifications 18
3 Installing the G1330B Thermostat 19
Unpacking the Autosampler 20
Optimizing the Stack Configuration 22
Installing the G1330B Thermostat 24
Transporting the Thermostatted Autosampler 41
4 Optimizing Performance 43
Controller Requirements 44
5 Maintenance 45
Introduction into Repairing the Thermostat 46
6 Parts and Materials for Maintenance 55
Main Assemblies (External Parts) 56
Accessory Kit G1330-68705 57
Foam Parts 58
Plastic Parts 59
7 Cable Overview 61
Cable Overview 62
Analog Cables 64

41200 Series AT User Manual
Contents
Remote Cables 67
BCD Cables 72
Auxiliary Cable 74
CAN/LAN Cables 75
External Contact Cable 76
RS-232 Cables 77
8 Appendix 79
General Safety Information 80
The Waste Electrical and Electronic Equipment (WEEE) Directive
(2002/96/EC) 83
Radio Interference 84
Sound Emission 85
Agilent Technologies on Internet 86

5
1200 Series AT User Manual
Agilent Technologies
1
Introduction
Introduction to the Thermostatted Autosampler 6
Autosampler Thermostat Operation 8
Electrical Connections 10

61200 Series AT User Manual
1Introduction
Introduction to the Thermostatted Autosampler
Introduction to the Thermostatted Autosampler
The Agilent 1200 Series autosampler is designed for use with other modules of
the Agilent 1200 Series LC system or with other LC systems if adequate
remote control inputs and outputs are available. The autosampler is controlled
from the Agilent 1200 Series control module or from the Agilent ChemStation
for LC systems.
The specially-designed thermostattable sample trays holds either 100 × 1.8 ml
vials or two wellplates and 10 × 1.8 ml vials.
The autosampler thermostat contains Peltier-controlled heat exchangers. A
fan draws air from the area above the sample vial tray of the autosampler and
is then blown through the fins of the cooling/heating module. There it is cooled
or heated according to the temperature setting. The thermostatted air enters
the autosampler through a recess underneath the specially-designed sample
tray. The air is then distributed evenly through the sample tray ensuring
effective temperature control, regardless of how many vials are in the tray.
In cooling mode condensation is generated on the cooled side of the Peltier
elements. This condensed water is safely guided into the leak system.

1200 Series AT User Manual 7
Introduction 1
Introduction to the Thermostatted Autosampler
Figure 1 Overview of the Autosampler Thermostat
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81200 Series AT User Manual
1Introduction
Autosampler Thermostat Operation
Autosampler Thermostat Operation
Figure 2 Autosampler Thermostat Principle
The thermostatted autosampler is equipped with a cooling/heating module
which uses Peltier elements for efficient air cooling. When turned on the front
side of the Peltier elements is heated/cooled according to the temperature
setting. A fan draws air from the sample tray area and blows it through the
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1200 Series AT User Manual 9
Introduction 1
Autosampler Thermostat Operation
channels of the heating/cooling module. The fan speed is determined
according to the environmental conditions (e.g., ambient temperature,
humidity). In the heating/cooling module the air reaches the temperature of
the Peltier elements and this thermostatted air is blown underneath the
special sample tray where it is evenly distributed and streams back into the
sample tray area. From there it is again drawn into the autosampler
thermostat. This “recycle” mode assures a very efficient cooling/heating of the
sample vials.
In cooling mode the opposite side of the Peltier element will become very hot
and to maintain the performance of the elements they have to be cooled down.
This is done with large heat exchangers in the back of the autosampler
thermostat. Four fans blow air from left to right through the instrument to
remove the heated air. The fan speed is controlled according to the
temperature of the Peltier elements.
During cooling condensation will appear in the heating/cooling module. The
condensed water will be guided out of the autosampler thermostat.

10 1200 Series AT User Manual
1Introduction
Electrical Connections
Electrical Connections
Figure 3 Electrical Connections
•The GPIB connector is used to connect the autosampler with a computer.
The address and control switch module next to the GPIB connector
determines the GPIB address of your autosampler. The switches are preset
to a default address (see Autosampler Reference Manual) and this is
recognized immediately after power on.
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