Linkam Scientific Instruments
Ltd
Tel: +44
(O)
1737
363
476
Fax: +44
(O)
1737363480
support@linkam.co.uk
Unit
8,
Epsom Downs Metro Centre
Tadworth,Surrey,
KT20
5lR,
UK
\f-/ww.iinkam.co.uk
V1.0.2.1609
LNP95
Liquid Nitrogen Pump Cooling System
USER GUIDE
I
Contents
LNP95 Liquid Nitrogen Pump Cooling System ............................................................................... 7
Remove Transit Screws ..........................................
....
....................................................... 7
Front Panel Tubing Connections ..........................
..
............................................................ 8
Back Panel Cable Connections .......................................................................................... 8
Filling the Dewar with Liquid Nitrogen ...................................................................
....
..................... 9
~§i1~:'.~~"o~~;j~
2
IUDltiiiil
Declaration
of
Conformity
Manufacturers Name:
Manufacturers Address:
Linkam Scientific Instruments Ltd
8 Epsom Downs Metro
Centre
Waterfield
Tadworth
Surrey
KT205LR
UK
Declares that the product as originally delivered:
Product Name:
Product Number:
Liquid Nitrogen
Pump
LNP95
has been independently tested and found to comply
w,ith
the following
European Directives, and carries the
CE marking accordingly:
EMC Directive 2004/108IEC using product standard EN 61326-1:2006
Low Voltage Directive
2006/95IEC using product stai;idard
EN
61010-1:2001
and also carries the additional certification:
EMC
Safety
FCC CFR47 Part
15
CB IEC 61010-11 EN 61010-1
MET
UL 61010-11 CSA C22.2 No.61010-1 under listing EI12928
28th August
2009
Date
3
Peter Grocutt
R&D Manager
applicable
Important
Notice
Please check that your Linkam equipment has not been damaged during transport.
Ifthere
is any evidence
of
external damage to electrical items:
DO NOT CONNECT THE POWER CORD
OR
SWITCH
THE
ITEM
ON
Contact Linkam Scientific or their appointed distributor immediately. Your warranty may be
impaired
if
Linkam is not informed
of
any transport damage within 7 working days
of
delivery.
Safety Precautions
I)
2)
3)
4)
5)
6)
7)
8)
Read all
of
this guide before using the equipment. Save these instructions for later use.
Follow all warnings and instructions, marked on any
of
your Linkam equipment,
or
contained within the manuals.
If
for any reason the mains fuse needs to be replaced then it must be replaced by one
of
the same
type and rating as shown in the equipment ratings.
To prevent electric shock, do not remove the cover
of
the equipment.
Never use the equipment
if
the power cord has been damaged. Do not allow
any
heavy objects to
rest on the power cord. Never lay the power cord on the floor.
Do not obstruct any ventilation holes. Do not attempt to insert anything into these
openings. Provide adequate ventilation
of
at least 75mm all around the equipment.
Do not expose the equipment to water.
If
for any reason it gets wet then remove the power cord
from the mains outlet and contact Linkam
Scientific Technical Support.
The equipment
is
not intended to be used outdoors.
Each product is equipped with a 3-wire grounded (earth) power plug or a free-end 3 wire power
cord. The plug only fits into a grounded-type outlet. The free-end power cord should be con-
nected to a correctly grounded 3-wire power outlet. Do not defeat the purpose
of
the
grolli,ld~
(earth) type plug.
Free - end power cords are colour coded as follows:
Colour
Brown
Blue
GreenlY ellow
Function
Live
Neutral
Earth (Ground)
9) The power cord must be an appropriately rated and approved cord-set for the country it is being
used
in
.
10)
If
any problems occur then remove the power cord from the mains outlet and contact Linkam
Scientific Technical Support.
11) No attempt should be made to repair
or
~odify
the equipment
in
any way, as there are no
user
replaceable parts. Any servicing should be carried out by qualified service personnel. Do not
remove the cover from the equipment unless the power cord has been removed from the mains
outlet.
4
Symbol Reference
This safety symbol
is
seen on the back panel
of
the equipment and warns the user:
Not to make
or
remove any connections while the unit
is
powered on.
Not to remove the cover.
Servicing should only be done by qualified service personnel.
It
can also be seen on the Dewar for liquid nitrogen and warns the user:
Of
the potential dangers
in
handling liquid nitrogen, especially the exposure to skin and
of
asphyxiation
in
an enclosed space.
Please refer to your safety supervisor for special handling instructions.
This safety symbol is seen on the back panel
of
the equipment and warns the user:
That to avoid electric shock the power cord protective grounding conductor must be connected to ground.
.'
5
Equipment Ratings
A.c.
Mains Supply:
A.C. Frequency:
Maxcurrent:
Fuse:
100-24047-63Hz
1.7A
Current rating
Characteristic
Voltage rating
Breaking capacity
TechniCal Specification
Dimensions:
Weight:
376Lx 243W x 87H (mm)
3.6Kg (excluding cables)
2A
T
250V-
H
Operating environment:
5-
40°C, 80% relative humidity at
31
°C decreasing linearly to 50% at
40°C (without condensation)
Tubing:
Silicon rubber
Warranty
This equipment has a warranty against defects in material and workmanship for a period
of
12
months.
Linkam will either repair or replace products that prove
to
be defective. For warranty service or repair, this
product must be returned
to
Linkam or a designated service facility.
The warranty shall not apply
to
defects resulting from interfacing, unauthorized modification or misuse,
operation
o~tside
of
the environmental specifications for the product, or improper site preparation or main-
tenance.
Technical Support
Any technical questions or queries should be addressed.
to
the Technical Support Department at the ad-
dress shown on the back
of
this manual.
Equipment Maintenance
The LNP95 does not require any regular maintenance. Contact Linkam should you require any maintenance.
Before cleaning the case or front panel
of
the LNP95, remove the mains cord from the mains
outlet.
Use a small quantity
of
isopropyl alcohol on a soft cloth and gently wipe the surface.
. Product Registration
Register your Linkam instrument and software; please go
to
www.linkam.co.uk
to
fill
in
the Product
software Registration form. After registration, you can login
to
our website to download manuals and
access 'How To Videos'.
.
Feedback
Your feedback will be greatly appreciated, please go
to
www.linkam.co.uk to fill
in
the Feedback form.
6
i
1
Introduction
Thank you for purchasing a Linkam instrument.
Please take the time
to
read through the manual
as
it
will help you
to
make the most out
of
the
equipment.
L.NP95 Liquid Nitrogen Pump
Cooling System
P.I,
e)iSe
check;that all
of
the following parts have
been supplied with the LNP95 System.
1.
. LNP95
2. 2L Dewar with siphon assembly
(7L and 25L is available)
3. Instrument bus cable
4~f
Po~t:r
cord
Remove
Transit
Screws
~
Before
using the LNP95 Liquid Nitrogen Pump
System,
remove the 4 transit screws marked by
small yellow labels (5), from the base
of
the
LNP95.
Transit
screws shown
by
arrows
in
the
adjacent image. These screws hold the pumps
in
plaCe
for
shipping.
Keep the screws safe by screwing them into the
holes on the back panel as shown
by
the arrows .
The screws must be replaced back into the transit
hples on the
~ase,
when shipping back
to
Linkam
for service or repair.
7
Front
Panel
Tubing
Connections
Refer
to
your hotstage manual for the connection
of
tubing.
1.
Window purge tube
2.
Stage purge tube and connector
Back
Panel
Cable
Connections
3. Main power socket
4 . . Fuse box housing
5. Instrument bus (CAN)
Sockets
6.
USB socket. Do not use
7.
Transit screws storage
Connect the Instrument Bus Cable (9) between
the
LNP95 and T95 as shown.
Note: either
of
the purple coloured Instrument
Bus
Sockets (5) on the LNP95 can be used.
Plug the power cord into the power socket and
push
power switch (8) .on the front
of
the LNP95
to
tum
it on or
off
.
LNP95 MUST BE SWITCHED ON
BE~
FORE
T95SY~TEM
CONTROLLER.
8
Filling the Dewar with liquid
nitrogen
Please follow your health and safety manual for
directions on how to handle liquid nitrogen and
ensure that you have the correct safety equipment
including gloves and safety goggles.
F
ill'i
.tlte;Dewar approximately 2/3 full and replace
tj;I~,l
id~th
siphon attached.
~
ft;;6;';:,'~·;~
:
';,:,'
~
DO N
OT
FASTEN THE CATCHES
Wait for the nitrogen to stop bubbling before
fastening the catches.
Take care when placing lid on a table
to always
have the black capillary pointing upwards. It
is
~asily
damaged which will impair N2f1ow,
Operation
The
LNP95 is controlled by the T95 temperature
System Controller that it
is
connected with. The
T95 temperature programmer
is
either controlled
by LinkPadtouch screen display,
or
by the Link-
sys32 computer software, details
of
how to con-
-trol the
LNP95 can be found
in
the manuals for
these products.
LinkPad touch screen display
Linksys32 computersoftware
9
Appendix
Spares and Accessories
0994
DF
Standard 2L Dewar
9588 DF2
Standard 2L Dewar (inc!. Lid and Siphon Assembly) Specify Stage Model
9590
SSDF2
2L Stainless Steel Dewar (Inc!. Lid and Siphon Assembly) Specify Stage Model
9592
D2L
Dewar
Siphon Assembly 39cm (no Dewar lid and need to specify Stage Model) -
achieves a stage temperature
of
-196°C on THMS600IFTIR6001L TS350
9524
02L
Dewar Siphon Assembly 80cm (no Dewar lid and need to specify Stage
Model)-
achieves a stage temperature
of
-120°C on THMS600tFTIR600
9808
02L
Dewar Siphon Assembly 100cm (no Dewar lid and need to specify Stage
Model)-
achieves a stage temperature
of
-50°C on THMS600IFTIR600
9598 DS2 Extra Long Dewar Siphon Assembly for 25L Taylor Wharton "Classic" Dewar
· 5647 TWC25 25L Dewar Flask - Taylor Wharton Classic (without siphon)
This page is intentionally blank
9599
LNPTU
Silicon
Tubing & Connectors between LNP & Stage
7018 SILTUl Silicon
Purge Tube LNP to Stage (2mm ID x 4mm OD)
19075
CANC
Instrument Bus (CAN) Cable to connect LNP95 and T95
9850
DF7 Standard 7L Dewar (inc!. Lid and Siphon Assembly) Specify Stage Model
9851 DF7 7L Dewar (inc!. Lid but no
Siphon Assembly)
9852
D7L
Siphon Assembly for 7L Dewar need to specify Stage Model
10
11
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