KMW70
Water cooler for PXScanner and
SuperNova systems
User Manual
Version 1.12, May 2011
Agilent Technologies XRD Products
10 Mead Road, Yarnton, Oxfordshire. OX5 1QU, UK
Tel: +44 (0)1865 291600
Fax: +44 (0)1865 291601
http://www.agilent.com/chem
Important Information
Product:
KMW70 Water Cooler
Product No.
CN-00-00-000
Electrical Ratings:
1/N AC 88-264 V 50/60 Hz
This user manual applies to the KMW70 Water Cooler, which is manufactured in Poland by Agilent
Technologies.
Before attempting to operate the system, PLEASE READ THE
INSTRUCTIONS.
This product should only be used by persons legally permitted to do so.
If the equipment is used in a manner not specified in the User Manual, the protection provided by the
equipment may be impaired.
Important Health and Safety Notice
When returning components for service or repair it is essential that the item is shipped together with a
signed declaration that the product has not been exposed to any hazardous contamination or that
appropriate decontamination procedures have been carried out so that the product is safe to handle.
Care has been taken to ensure the information in this manual is accurate and at an appropriate level.
Please inform Agilent Technologies if you have any suggestions for corrections or improvements to this
manual.
Nova service and support is available for technical and operational issues as indicated below.
E-mail: XRDSupport@agilent.com
Phone: +44 (0)1865 291600 between 8 a.m. and 4.30 p.m. (UK time), Monday to Friday
Fax: +44 (0)1865 291601
This users' manual has been written according to standard 89/392/EEC and further modifications.
Copyright 2011 Agilent Technologies Limited. All rights reserved. No part of this document may be
reproduced or distributed in any form, or by any means, or stored in a database or retrieval system,
without prior written permission of Agilent Technologies.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 2
Contents
1. Safety Information ........................................................................................... 5
1.1 Electrical safety .......................................................................................................................................... 5
1.1.1 First Aid ...................................................................................................................5
1.2 Mechanical handling ................................................................................................................................. 6
1.3 Modifications and service ......................................................................................................................... 6
2. Introduction .................................................................................................... 7
2.1 Overview ...................................................................................................................................................... 7
2.2 Water-to-air and water-to-water modes .............................................................................................. 7
2.3 Environmental parameters ........................................................................................................................ 7
2.4 Two modules .............................................................................................................................................. 9
2.5 The Air Cooler and the Reservoir ............................................................................................................. 9
2.6 Operating principles ................................................................................................................................. 10
3. Installation ................................................................................................... 11
3.1 Electrical services .................................................................................................................................... 11
3.2 Interfacing to external devices ............................................................................................................... 11
3.2.1 External water circuit ............................................................................................ 11
3.2.2 Internal water circuit ............................................................................................. 14
3.2.3 Other connections ................................................................................................ 15
3.2.4 Mains output ......................................................................................................... 16
3.2.5 Ethernet ................................................................................................................ 16
3.3 Water distribution panel .......................................................................................................................... 16
4. Operation ..................................................................................................... 17
4.1 Front panel ................................................................................................................................................. 17
4.1.1 Error/warning status LEDs ................................................................................... 18
4.2 Starting up the unit .................................................................................................................................. 18
4.3 Remote control by the software ............................................................................................................. 19
5. Troubleshooting ............................................................................................ 20
KMW70 Water Cooler Version 1.12
USER MANUAL Page 3
Table of figures
Figure 1 Photograph of the Air Cooler and the Reservoir ...................................................... 10
Figure 2 Rear panel of KMW70 Water Cooler ......................................................................... 11
Figure 3 Network of water connections in water-to-air and water-to-water mode .......... 13
Figure 4 Photograph of flow sensor mounting position ......................................................... 14
Figure 5 Photograph of water distribution panel and Reservoir ........................................... 15
Figure 6 Front panel of KMW70 Water Cooler ........................................................................ 17
Figure 7 Front panel LEDs .......................................................................................................... 17
Figure 8 ODbench control window ........................................................................................... 19
KMW70 Water Cooler Version 1.12
USER MANUAL Page 4
WARNINGS
Follow local and national electrical regulations and procedures.
Do not defeat interlocks, remove connectors, disconnect equipment, open safety
covers, dismantle or modify equipment unless you are qualified and authorised to
do so and you are fully conversant with its operation and potential hazards or have
total assurance through your local electrical permit to work system that the
equipment has been made safe.
Make sure that the mains supply is fused at an appropriate rating and that it can
be isolated locally via a clearly labelled, clearly visible and easily accessible
isolating switch. Isolate the supply before carrying out any maintenance work.
WARNING
Do not attempt to administer first aid to someone who may have suffered electric
shock until the source of the shock has been isolated.
Mains voltages are present in the system. High voltages are used by the X-ray
tube and power supply. These can cause serious injury or death.
Only personnel qualified to work with high voltages and currents should perform
service or maintenance work on such equipment.
1. Safety Information
In normal operation the unit is designed to operate safely. All users of the KMW70
Water Cooler unit should be aware of potential hazards which exist in and around
equipment of this type and the ways of avoiding possible injury and equipment damage
which may result from inappropriate ways of working. A description of such potential
hazards and how to avoid them is given in this section.
1.1 Electrical safety
In normal use the user is protected from the dangers associated with the voltage,
current and power levels used by the equipment. Only suitably qualified personnel
should attempt to disconnect, dismantle or modify the equipment.
1.1.1 First Aid
KMW70 Water Cooler Version 1.12
USER MANUAL Page 5
1.2 Mechanical handling
The unit is heavy and requires careful handling. Use safe lifting procedures for heavy
items to prevent possible strain injury.
1.3 Modifications and service
The manufacturer will not be held responsible for the safety, reliability or performance
of the equipment unless assembly operations, extensions, re-adjustments, modifications
and repairs are carried out only by persons authorised by the manufacturer. It should be
stressed that those parts of the equipment which are interchangeable, and which are
subject to deterioration during operation, may significantly affect the safety of the
equipment.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 6
2. Introduction
This manual applies to the KMW70 Water Cooler produced by Agilent Technologies.
2.1 Overview
The KMW70 Water Cooler has been designed to operate with the Nova microfocus Xray source from Agilent Technologies, which is described in a separate manual.
2.2 Water-to-air and water-to-water modes
The KMW70 Water Cooler device can work with water-to-air or water-to-water heat
exchangers. To transfer the unit from one mode to another some extra parts are
required. They can be purchased from Agilent Technologies and will require assembly
by an Agilent Technologies engineer.
The KMW70 Water Cooler in water-to-air operation requires an external Air Cooler (see
Fig. 1a). This device transfers the heat to the environment and does not require an
external (ie.tap) water supply.
While operating in water-to-water mode the device contains a water Reservoir (see Fig.
1b) on the left-hand side of the electronic rack. It also needs an external water supply
(tap water, integrated building water circuit or additional water chiller, such as
Thermoflex 900) to cool the device.
2.3 Environmental parameters
The KMW70 Water Cooler is designed to operate indoors. In water-to-water mode the
air must have a temperature below 25 deg C. Sufficient air conditioning must be
installed in the room to ensure the correct air temperature.
To fill the KMW70 reservoirs use 1:10 solution of distilled water with glycol to prevent
the liquid and circuits from algae growth.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 7
Water-to-air Configuration
KMW70 Chiller Unit
Power connection
1/N AC 88-264V, 50/60Hz
Maximum power consumption
700W
Maximum mains current
2.7A (230V)
Fuse
T 3.15A/230V (T 6.3A/110V)
Ground terminal
Yes
Temperature stability
± 0.1 °C
Coolant specification
90% distilled water and 10% ethylene glycol
Internal reservoir volume
2 litres
Weight
20 kg
Dimensions
53 x 49 x 14 cm
AirCooler Radiator
Power connection
1/N AC 110/230V, 50/60Hz
Maximum power consumption
80W
Fuse
T 1A/230V (T 2A/110V)
External air temperature
<25°C
Internal circuit pressure
0.3 bar
Weight
25 kg
Dimensions
75 x 32 x 93 cm
Proximity of AirCooler radiator and KMW70 unit
Up to 10m
Coolant specification
90% distilled water and 10% ethylene glycol
Coolant volume
3 litres
KMW70 Chiller Unit
Power connection
1/N AC 88-264V, 50/60Hz
Maximum power consumption
800W
Maximum mains current
2.8A (230V)
Fuse
T 3.15A/230V (T 6.3A/110V)
Ground terminal
Yes
Temperature stability
± 0.1 °C
Air temperature
<30°C
Internal circuit coolant specification
90% distilled water and 10% ethylene glycol
Internal circuit coolant volume
3L
External water temperature
<25°C
External water pressure
3 bar
Return line pressure (where required)
Weight
Dimensions
<2 bar (ideally <1 bar, for pressure drop of 23 bar between supply and return)
20 kg
53 x 49 x 14 cm
Water-to-water Configuration
Table 1 KMW70 Water Cooler parameters for water-to-air and water-to-water mode
KMW70 Water Cooler Version 1.12
USER MANUAL Page 8
2.4 Two modules
The KMW70 Water Cooler contains two identical modules mounted in the left-hand and
right-hand sides of the single enclosure. The left-hand module is labelled X-ray source
and is intended to supply cooling water to the Nova X-ray source and the right-hand
module is labelled CCD detector and is intended to supply cooling water to any of the
Agilent Technologies CCD detectors.
The operation of the two modules has some differences. The CCD module has a mains
voltage output (W2) on the rear panel to power the CCD detector only when cooling
water is flowing normally. There is no mains output for the X-ray source module. The Xray source module has an output connector (W5) on the rear panel to send a signal to
confirm its normal operation (for use as an interlock signal with an X-ray generator
unit). This signal refers only to the operation of the X-ray source module and NOT the
operation of the CCD module. The internally set operating temperature for the water in
the internal circuit through the X-ray source will normally be different from that in the
CCD detector.
2.5 The Air Cooler and the Reservoir
The Air Cooler is the external heat exchanger for the KMW70 Water Cooler (see Fig.
1a). It contains a water reservoir with a water pump, a set of pipes, air vents,
temperature and a level sensor. The heat of delivered water is being returned to the air.
The KMW70 Water Cooler working in water-to-water mode contains a water reservoir, a
pump and two level sensors. This set of equipment is mounted on the left-hand side of
the system (see Fig.1b). The heat of delivered water is being returned to the external
water circuit.
Both water reservoirs should be filled with liquid to operate properly. The
recommended coolant solution is 90% distilled water and 10% glycol. The filling ports
are located on top of the devices.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 9
a)
b)
Figure 1 Photograph of the Air Cooler (a) and the Reservoir (b)
2.6 Operating principles
Each module is connected to two separate water circuits: external and internal. The
external one, in case of water-to-air mode, is connected to the Air Cooler. If the KMW70
Water Cooler operates in water-to-water mode, the external circuit is connected to the
external water supply. The internal water circuit is connected to the devices to be
cooled. The two circuits do not exchange water – they are connected to each other only
by a heat transfer device. During start-up, if the internal circuit has insufficient water
(even totally dry), it will be automatically filled with water taken from the reservoir.
Each module separately pumps water around the internal circuit. The temperature of
water in that circuit is controlled within limits (set by internal software) and when
needed the heat transfer device cools the internal circuit and delivers the heat into the
external circuit.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 10
3. Installation
This unit is built within a 19 inch rack-mounted enclosure of height 3U.
Figure 2 Rear panel of KMW70 Water Cooler
3.1 Electrical services
This unit should be supplied with mains voltage in the range 88-264 volts 50/60 Hz (on
connector number W1).
3.2 Interfacing to external devices
Before connecting or disconnecting any cables on this unit it should be disconnected
from the mains voltage supply.
3.2.1 External water circuit
The rear panel of the unit contains supply water inlet and outlet points. Hoses should be
pushed onto these points and secured with jubilee clips. It is important to ensure that
the direction of water flow is correct.
Water-to-air mode:
The Air Cooler water circuit is a closed loop. Water coming into the Supply Inlet on the
back panel of KMW70 Water Cooler, passes through the external circuit of the unit,
collects the heat and goes through Supply Outlet to Water Inlet in the Air Cooler circuit
(see Fig. 3a). After returning the heat to the air, the water is delivered through the Air
Cooler Water Outlet to KMW70 Water Cooler. The flow rate in this external circuit is
constant. The Refill connector in this mode of operation is corked. The Air Cooler is
connected to the W6 socket to control its pump and to read from its sensors.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 11
Water-to-water mode:
The external water coming into the Supply Inlet on the back panel of KMW70 Water
Cooler, passes through the external circuit of the unit, collects the heat and goes
through Supply Outlet to the drain or external closed water circuit (Fig. 3b). The flow
rate in this external circuit is controlled by a proportional valve. It consumes ca. 0.3 l/m.
The Reservoir is connected to the Refill connector on the back panel of KMW70 Water
Cooler. Water pump is turned on after start up and works for 30 s. The Reservoir is
connected to W6 socket to control its pump and to read from its sensors.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 12
a)
b)
Figure 3 Network of water connections in a) water-to-air mode and b) water-to-water mode
KMW70 Water Cooler Version 1.12
USER MANUAL Page 13
3.2.2 Internal water circuit
The rear panel of the unit contains internal inlet and outlet points. Both modules’ inlet
pipes contain flow sensors mounted externally on the rear panel. These are mounted in
such a way, that the axis of rotation is horizontal (see Fig. 4). The flow sensors pipes
and hoses connections should be fitted with o-rings and screwed properly. The flow
sensors’ cables are connected to sockets W7 (for CCD) and W8 (for X-ray) on the rear
panel, using the plugs provided.
The unit will pump water to the device to be cooled. Water returning from the device
should first pass through an inline filter (see Fig. 5) before re-entering the unit at the
inlet point (through the flow sensor). The separately mounted water distribution panel
contains two filters (one for each module).
To clean the inline water filters turn off the KMW70 unit using the button at the front
panel. Unscrew the proper filter cap (see Fig. 5). Mind the liquid leakage. Remove the
filter inside and clean it. When replacing it, be sure to fit it correctly and replace the cap
with the o-ring in place.
Figure 4 Flow sensor (on X-ray side) correct mounting position and its connection to W8 socket
KMW70 Water Cooler Version 1.12
USER MANUAL Page 14
Figure 5 Photograph of water distribution panel and the Reservoir. Arrows point inline water filter
caps
3.2.3 Other connections
The rear panel of the unit contains two sockets for the flow sensors. These sensors are
connected to the W7 and W8 outputs. The W5 output is an interlock connection socket.
It outputs a signal when the X-ray source module is operating normally (i.e. cooling
water is flowing through the X-ray source within normally operating limits). This cable
should be connected to the X-ray generator safety interlock system (described in a
separate manual). If cooling water flow is interrupted then the lack of the signal in this
cable will result in the power to the X-ray source being shut off to prevent overheating.
The W6 socket is the connection between the KMW70 Cooler and the Air Cooler or
Reservoir, depending which option is being used.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 15
3.2.4 Mains output
The unit contains a mains voltage output (labelled W2) on the rear panel. This is
intended to power the CCD detector. A cable should be connected from this outlet to
the power supply unit of the detector. Thus, mains voltage is output on this socket
when the CCD module of this unit is operating normally (ie. cooling water is flowing
through the CCD detector within normal operating limits). If cooling water flow is
interrupted then the power to the detector is shut off to prevent overheating.
3.2.5 Ethernet
This unit includes Ethernet connection socket (labelled W3) on the back panel. The
connection allows both reading and setting of operating parameters. The modules can
be remotely controlled by making connection to the IP address or by starting ODBench
control windows in CrysAlis™ software. Remote control is described later in this
manual.
3.3 Water distribution panel
The water distribution panel is supplied with an Agilent Technologies diffractometer if it
includes a KMW70 Water Cooler (either water-to-air, or water-to-water heat
exchangers). The panel provides a mounting location for in-line water filters on the
internal circuits (see Fig. 5) and the Reservoir used in water-to-water mode.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 16
4. Operation
4.1 Front panel
The front panel contains one power on/off switch for both modules (X-ray source and
CCD detector). There is a set of warning/error status LEDs for each module. The
modules are fully automatic both during start-up and during normal operation. Water
temperature limits for the two modules have been independently set inside the unit and
are not adjustable by the user.
The front panel has two green LEDs (see Fig. 6 and 7) associated with each of the
modules (X-ray and CCD). When the green LED is shining it means that the module is
operating. If the green LED is not shining it means that the module has been stopped
(this is only possible under remote software control).
Figure 6 Front panel of KMW70 Water Cooler
Figure 7 Front panel LEDs
KMW70 Water Cooler Version 1.12
USER MANUAL Page 17
4.1.1 Error/warning status LEDs
The error states shown by the LEDs are: Internal Temperature, External Temperature,
Flow, Level, Air Cooler/Reservoir. Error (red) LEDs do not shine during normal operation.
During normal work only orange (INTLK Closed and CCD on) LEDs shine. Figure 10
shows these LEDs.
The Internal Temperature LED shines if the temperature of the internal circuit water is
outside of its normal limits. The LED blinks in case of warning. It means, that the
internal water temperature approaches its maximum.
The External Temperature LED shines if the temperature of the external circuit water is
outside of normal limits. This LED blinks in case of warning, which means approaching
to maximum values.
The Flow error LED shines if the coolant cannot flow in the internal circuit. Blinking
means that the flow rate is reduced.
The Level error LED shines if there is insufficient water in the Air Cooler or Reservoir.
The Air Cooler/Reservoir error LED shines if there is no connection between KMW70
and the Air Cooler or Reservoir.
4.2 Starting up the unit
Both modules are started simultaneously by pressing the power switch on the front
panel. During the start-up phase all error status LEDs will be illuminated. When they are
turned off that module of the unit is operating normally.
Only when start-up has completed successfully the CCD detector will be supplied with
power (from the CCD module), and the “flow acknowledge” signal from the X-ray
module will appear.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 18
4.3 Remote control by the software
The KMW70 Water Cooler can be controlled by the CrysAlis Pro software ODBench
plugin.
To open the ODBench control window, in CrysAlis Pro click the Command Line icon on
the left menu and in the text line type “odbench” acknowledged by pressing Enter.
Sample of advanced view of this software is presented in Fig. 8.
Figure 8 ODBench control window
ODBench control window contains separate tabs for the CCD and X-ray modules. Both
of these show current internal and external temperatures, cooling powers and flow
rates of the coolant through the modules. Set values, limits and current error/warning
statuses are also printed in advanced view of the window.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 19
5. Troubleshooting
Problem
Cause
Action
Unit cannot be turned on
from the front panel
Mains power is not
connected
Connect mains power at
the rear panel.
Level error LED lights after
switching on module
Air Cooler/Reservoir water
level is too low
Fill the Air
Cooler/Reservoir with
coolant (solution of 90%
distilled water and 10% of
glycol).
Flow error LED lights after
switching on module
Some air bubbles remain in
the water circuit
Turn off and on the device.
If needed, repeat the
procedure a few times to
get rid of the air in hoses
and pipes.
Flow error LED flashes
during operation
Liquid cannot flow through
the internal circuit (through
CCD detector or X-ray
source)
Check if the hoses are
properly connected and
valves are open. Check if
the filter is not blocked and
clean it if necessary.
Air Cooler/Reservoir error
LEDs lights
Air Cooler/Reservoir power
or signal cable is not
connected
Turn off the KMW70 Water
Cooler power supply at the
front panel. Connect Air
Cooler/Reservoir signal
cable to the unit and the
power supply cable to the
back panel of the system.
Turn on the unit.
Int/Ext Temp Error LED
lights
Liquid in the circuit is too
hot
a). In water-to-air mode,
reduce the air temperature
in the room below 25 deg.
C. Provide good air flow
space around the Air Cooler
b). In water-to-water mode,
reduce the temperature of
water in the external
circuit.
KMW70 Water Cooler Version 1.12
USER MANUAL Page 20
© Agilent Technologies, Inc.
Printed in Poland, May 2011
Loading...