Cryomech PT415 User manual

PT415
Helium Reliquefier
INSTALLATION, OPERATION and
ROUTINE MAINTENANCE MANUAL

The information contained in this document is believed to be accurate and reliable as of
the time of its publication. However, Cryomech, Inc. cannot accept any responsibility
(financial or otherwise) that may result from the use or misuse of the information
contained in this document. Except as expressly contained in this document, there are no
other warranties granted or extended by the manufacturer.
Cryomech, Inc. reserves the right to add, change, modify or delete any or all information
contained herein without prior written notice. Revisions to this document may be issued
at the time such changes and/or deletions occur.
Any duplication of this manual or any of its parts without expressed written permission
from Cryomech, Inc. is expressly prohibited.
Correspondence concerning this document should be forwarded to:
Customer Service Department
Cryomech, Inc.
113 Falso Drive
Syracuse, NY 13211 USA
Telephone [phone]
FAX: [phone]
Email: [e-mail]
Website: www.cryomech.com

Contents
Section 1
Overview
Section 2
Warranty
Section 3
Safety
Section 4
Inspection and Unpacking
Section 5
Specifications
Section 6
Installation
Section 7
Operation
Section 8
Routine Maintenance
Appendix A
Appendix B
Spray Lubricant Instructions

1.1
Section 1
Overview

Se
c
1.1
1
c
tion 1
This secti
o
provides
a
used and
e
Helium
R
.1.1 Gen
e
The Cryo
m
helium de
w
establishi
n
helium or
b
A
4 K pul
s
the heliu
m
based on
a
compone
n
heat from
or more
a
refrigeran
t
Flexible s
t
compress
o
The comp
r
pure low-
p
removed
v
series of
o
via the hig
In the col
d
cooling t
o
compress
o
The Puls
e
referred t
o
returning
f
O-ring fitti
with the
C
This red
u
condensi
n
The Liqui
d
bottom o
f
must be
h
Other co
m
monitor, e
relief valv
e
: Over
v
o
n provides
a
a
n overview o
e
xpansion of
R
eliquefi
e
ral descri
p
m
ech Helium
w
ar/cryostats
n
g a closed H
b
e utilized to
s
e tube cryo
r
m
inside the
r
a
closed-loo
p
n
ts: one is th
e
the system;
t
a
dditional ex
p
gas used
i
t
ainless steel
o
r package t
o
r
essor packa
g
p
ressure heli
u
v
ia a heat ex
c
o
il separator
s
h-pressure h
e
d
head, adi
a
o
cryogenic
o
r package vi
e
Tube Cold
o
as the Re-l
i
f
rom the cry
o
ng on the R
e
C
old Head, it
s
u
ces its te
m
n
g chamber;
u
d
helium is
f
f
the conden
s
h
andled wit
h
m
ponents of
l
ectrical feed
t
e
and a vacu
u
v
iew
a
n overview
f this manual
acronyms us
er
p
tion
Re-liquefier i
s
, and then re
t
elium loop. I
t
liquefy heliu
m
r
efrigerator s
r
e-liquefier.
T
p
helium expa
e
compressor
t
he other is t
h
p
ansion cycl
e
i
n the Cryo
m
lines called
o
the cold he
a
g
e works as
f
u
m that is ret
u
c
hanger, and
s
and filters.
T
e
lium flex lin
e
a
batic expan
s
temperature
s
a the low-pr
e
Head is m
o
i
quefier Main
o
stat dewar
e
e
-liquefier M
a
s
heat is ab
s
perature, in
c
u
ntil it contac
t
f
unneled into
s
ing chambe
h
care.
the Helium
t
hrough, silic
o
u
m port.
1-1
discussion o
f
, including th
e
ed in the ma
n
s
designed t
o
t
urn the Liqui
d
t
can be inst
a
m
gas from g
a
upplies the
c
T
he operatio
n
nsion cycle.
A
package, wh
h
e cold head,
e
s to cool it
m
ech cryoge
helium flex l
a
d and carry l
o
f
ollows. An o
i
u
rned from th
the oil from t
h
T
he compres
e
.
s
ion of the
h
s
. The low-
e
ssure helium
o
unted in a
v
Assembly.
T
e
nters into th
e
a
in Assembly
.
s
orbed into t
h
c
reasing its
t
s the 4K con
the Liquid
h
r to the cry
o
Re-liquefier
o
n diode, an
d
f
Cryomech
H
e
organizatio
n
ual.
o
recondense
d
Helium to t
h
a
lled into cry
o
a
s cylinder to
c
ryorefrigerat
i
n
of a cryog
e
A
complete s
y
ich compres
s
which takes
down to cr
y
nic systems
ines carry c
o
o
w-pressure
i
l-lubricated
c
e cold head.
h
e compress
sed helium i
s
h
elium and f
u
-
pressure h
e
flex line.
v
acuum insul
T
he room te
m
e
condensin
g
.
As the wa
r
h
e heat exch
density, dr
o
densing surf
a
h
elium Retur
n
o
stat. The r
e
are a press
u
d
heater ass
e
H
elium Reliq
n, basic defi
n
the boil off fr
o
h
e dewar/cry
o
o
stats alread
y
fill a dewar.
i
on necessa
r
e
nic refriger
a
y
stem consis
s
es refrigera
n
the refrigera
y
ogenic tem
p
is 99.999%
o
mpressed h
e
helium back.
c
ompressor c
o
The heat of
c
ion process i
s
s
then fed to
u
rther heat
r
e
lium then
r
ated conden
m
perature he
l
g
chamber th
r
m helium co
m
angers on t
h
o
pping it lo
w
a
ce, where it
n Line whic
h
e
turn line i
s
u
re controlle
e
mbly as well
Overvie
w
uefiers. It al
s
n
itions of ter
m
o
m liquid
o
stat
y
full of liquid
r
y to conden
s
a
tion system
ts of two maj
o
n
t and remov
e
nt through o
n
p
eratures. T
h
%
pure heliu
m
e
lium from t
h
o
mpresses t
h
c
ompression
s
removed in
the cold he
a
r
emoval allo
w
r
eturns to t
h
sing chamb
e
lium gas/vap
o
rough the 1/
4
m
es in conta
h
e Pulse Tub
e
w
er inside t
h
condenses.
h
connects t
h
s
delicate a
n
r, temperatu
r
as a pressu
r
w
s
o
m
s
s
e
is
o
r
e
s
n
e
h
e
m
.
h
e
h
e
is
a
a
d
w
s
h
e
e
r,
o
r
4
"
ct
e
.
h
e
h
e
n
d
r
e
r
e

1
1.1.
3
1.2
1
.1.2 Feat
u
The Cryo
m
provide y
e
Primary f
e
Easy i
Cryo
m
Fully
a
Primary
b
Requi
r
Very l
o
High r
e
Long
m
Redu
c
Lower
3
Feature
s
Primary f
e
Primary f
e
The CPA
2
Controller
Fault
s

A
uto
m
Remo
t
Touch
Remo
t
Phas
e
Serial
Cryome
c
This man
u
review thi
s
.2.1 Org
a
The main
in order t
o
maintena
n
needed fo
r
u
res and
b
m
ech Pulse
T
e
ars of troubl
e
e
atures
nstallation
m
ech Pulse T
u
a
utomatic pre
s
b
enefits
r
es only elec
t
o
w vibration
e
liability
m
ean time b
e
c
ed magnetic
costs of ope
r
s
and ben
e
e
atures
e
atures
2
800 and CP
A
(PLC) with t
h
s
ensing
m
atic error &
d
t
e operation
Screen inter
f
t
e indication
o
e
error sensin
g
& Ethernet c
o
c
h Heliu
m
u
al covers th
e
s
manual car
e
nization o
f
body of the
m
o
install and
n
ce. It is divi
r
clarification.
enefits of
T
ube Cold He
e
free service
.
u
be technolo
g
s
sure control
t
rical power a
e
tween maint
e
fluctuation fr
o
r
ation and m
a
e
fits of the
A
1000 Serie
s
h
e following f
e
d
ata logging
f
ace
o
f faults
g
o
mmunicatio
n
m
Reliqu
e
e
complete
C
e
fully before
b
f
the man
u
m
anual provi
d
operate the
ded into 8
s
Additional in
1-2
the Cryo
m
ad has been
.
g
y
led operation
nd cooling w
a
e
nance
o
m rare eart
h
a
intenance
Cryomec
h
s
Compresso
r
e
atures:
n
e
fier Ma
n
C
ryomech He
b
eginning the
u
al
d
es a detaile
d
Cryomech
C
s
ections. Illu
s
formation wil
m
ech Puls
e
carefully de
s
a
ter
h
materials
h
Compre
s
r
Packages i
n
n
ual
lium Relique
f
installation
p
d
discussion
C
ryorefrigera
s
trations acc
o
l be in the ap
e
Tube Col
d
s
igned and
m
s
sor
n
clude Progr
a
f
ier. It is imp
o
p
rocess.
of everythin
g
tor and to p
ompany the
pendix.
Overvie
w
d
Head
m
anufactured
t
a
mmable Log
o
rtant that y
o
g
you will ne
e
erform routi
n
discussion
a
w
t
o
ic
o
u
e
d
n
e
a
s

1.3
1
Numbere
d
for seque
n
not import
a
The man
u
Cryomech
should ta
k
warranty
b
Sections
4
Cryomech
maintena
n
where ob
s
Sectio
Sectio
Sectio
Sectio
Sectio
Sectio
Sectio
Sectio

A
ppe
n
Glossar
y
.3.1 Defi
n
The terms
is made
b
(compres
s
The terms
that are al
s
Aeroquip

The term
that conn
e
and heliu
m
Category I
Category I
connectio
n
Closed Lo
o
This refer
s
through a
helium.
d
lists labeled
n
tial actions t
a
nt are bullet
e
u
al contains
e
Cryorefiger
a
k
e and also
b
y doing som
e
4
through 8
p
Cryorefrige
n
ce. Each s
a
s
erving the c
a
n 1: Overvie
w
n 2: Warrant
y
n 3: Safety
n 4: Inspecti
o
n 5: Specific
a
n 6: Installati
o
n 7: Operati
o
n 8: Routine
n
dix: Addition
a
y
n
itions
defined bel
o
b
etween the
s
or) module.
are in alph
a
s
o defined in

Couplings:
"Aeroquip
c
e
ct compone
n
m
flex lines to
I Installation:
I refers to th
e
n
to the equi
p
o
p System:
s
to a cryoge
closed loop.
with 1), 2),
e
h
at must be
e
d, using soli
e
ssential info
a
tor. Section
s
explain the
e
thing that w
o
p
rovide comp
l
rator, from
a
fety precauti
a
ution or war
n
w
(including
d
y
o
n and unpa
c
a
tions
o
n
o
n
maintenance
a
l informatio
n
o
w are used
w
(cryorefrige
r
a
betical order
this section.
c
ouplings" is
n
ts e.g. that
c
the cold hea
d
e
potential fo
r
p
ment. See I
E
nic system t
h
The advant
a
1-3
e
tc and letter
e
p
erformed in
d or hollow b
rmation for t
h
s
2 and 3 cl
e
ways in w
h
o
uld damage
l
ete step-by-
s
inspection
o
on is also s
n
ing is import
a
efinitions an
d
c
king
n
w
ith precisio
n
r
ator) syste
m
, and italiciz
e
used generi
c
c
onnect heli
u
d
.
r
transient ov
e
E
C 664, Sub-
c
h
at has no h
e
a
ge of such
a
e
d lists label
e
the order lis
t
b
ullets.
he safe and
e
arly lay out
h
ich you mi
g
the system.
s
tep instructi
o
o
f the pack
i
hown in the
s
a
nt.
d
acronyms)
n
in the man
u
m
, the (com
p
e
d terms wit
h
c
ally to desc
u
m flex lines
t
e
r-voltage co
c
lause 5.6 fo
r
e
lium loss b
e
a
system is t
h
e
d with a., b.
t
ed. Lists for
effective op
e
all safety p
r
g
ht inadverte
o
ns on the h
a
i
ng crate t
h
s
e sections
i
u
al. For exa
m
p
ressor) pac
k
h
in the definit
ribe the self-
t
o the compr
e
nditions in th
e
r
further detai
e
cause the h
e
h
at there is
n
Overvie
w
, etc. are us
e
which order
e
ration of yo
u
r
ecautions y
o
ntly void yo
u
a
ndling of yo
u
h
rough routi
n
i
n every pla
c
m
ple, distincti
o
k
age, and t
h
ions are ter
m
-
sealing fittin
g
e
ssor packa
g
e
mains pow
e
ls.
e
lium is cycl
e
n
o need to a
d
w
e
d
is
u
r
o
u
u
r
u
r
n
e
c
e
o
n
h
e
m
s
g
s
g
e
e
r
e
d
d
d

Cold Hea
d
The cold
temperatu
r
the PT se
r
Cold Hea
d
The heat
e
transferrin
g
Cold Hea
d
The cold
h
that attac
h
electrical
p
Compress
Located i
n
commerci
a
pressure.
Compress
The comp
cool and
p
compress
e
high-pres
s
Cryogenic
Temperat
u
Cryorefrig
e
A
cryorefr
i
expansion
(expansio
n
Gifford-M
c
A Gifford-
M
the heliu
m
Helium Fl
e
The heliu
m
the compr
e
Nitrogen
F
Nitrogen f
l
only apply
Pollution
D
Pollution
d
affect the
e
Pulse Tub
e
A
pulse t
u
helium usi
d
:
head is a
n
r
es. In the A
L
r
ies systems
t
d
Heat Excha
n
e
xchanger(s
)
g
heat to the
d
Motor Cord
h
ead motor c
h
to the cold
h
p
ower from th
or Module:
n
side the co
m
a
l compress
o
or Package:
ressor packa
p
urify helium
e
s the low-p
r
s
ure helium t
o
Temperatur
e
u
res lower th
a
e
rator (Cryoc
o
i
gerator is a
cycle. It con
n
device).
c
Mahon (GM)
M
cMahon cr
y
using a disp
e
x Lines:
m
flex lines a
r
e
ssor packa
g
F
lexible Lines
l
ex lines are
to Liquid Nit
r
D
egree 2:
d
egree 2 refe
e
lectrical saf
e
e
Cryorefrige
u
be cryorefri
g
ng a pulse tu
n
expansion
L
or GB syst
e
t
he cold hea
d
n
ger:
)
on the cold
helium withi
n
ord is pre-wi
r
h
ead and co
m
e compress
o
m
pressor p
a
o
r that com
p
ge houses t
h
and that pro
v
r
essure heliu
o
the cold he
a
e
s:
a
n 120K or -1
o
oler):
cryogenic re
f
sists of a co
m
Cryorefriger
a
y
orefrigerator
lacer or pisto
r
e corrugate
d
g
eand the co
l
or Flex Line
s
corrugated
s
r
ogen Plant
m
rs to the ext
e
e
ty of the sys
t
rator:
g
erator is a
c
be instead of
1-4
device, wh
i
e
ms the cold
d
is a Pulse T
u
head provid
n
the system.
r
ed and fitte
d
m
pressor pac
k
o
r package to
ckage, the
c
p
resses low-
p
h
e compress
o
v
ide system
s
m returning
f
a
d.
53°C.
f
rigeration s
y
m
pressor pa
c
a
tor
is a cryorefr
i
n.
d
stainless st
e
l
d head.
s
:
s
tainless stee
m
odels.
e
nt to which
t
t
em. See EN
c
ryorefrigerat
o
a displacer
o
i
ch is capa
b
head is a Gi
f
Tu
be style uni
t
e cooling at
d
with electri
c
k
a
g
e. The col
the cold hea
d
c
ompressor
m
p
ressure heli
o
r module an
d
s
afety contro
l
f
rom the col
d
y
stem based
c
kage, heliu
m
i
gerator in w
h
e
el hoses th
a
e
l hoses that
t
he local env
i
61010 or UL
o
rin which
t
o
r piston.
b
le of reac
h
f
ford-McMah
o
t
.
cryogenic te
c
al connector
d head moto
r
d
motor.
m
odule is a
n
um to the n
d
all other c
o
l
. The compr
e
d
head and
p
upon a clos
e
m
flex lines a
n
h
ich the cold
a
t transport h
carry nitrog
e
ironmental c
o
61010A for f
u
t
he cold hea
d
Overvie
w
h
ing cryoge
n
o
nstyle unit.
mperatures
b
s on each e
n
r
cord provid
e
n
oil-lubricat
e
ecessary hi
g
o
mponents th
a
e
ssor packa
g
p
rovides cle
a
e
d loop heliu
n
d a cold he
a
head expan
d
elium betwe
e
e
n. These lin
e
o
nditions cou
u
rther details
d
expands t
h
w
n
ic
In
b
y
n
d
e
s
e
d
g
h
a
t
g
e
a
n
m
a
d
d
s
e
n
e
s
ld
.
h
e

1
1.4
System:
The term
"
package,
h
.3.2 Acro
The follo
w
FPT F
e
GPM G
a
LPM Li
t
MPT M
a
OFHC O
x
PSIG P
o
Cryome
c
Cryomech
113 Falso
Syracuse,
Phone: +1
Fax: +1 (3
Email: su
p
Website:
w
"
system" is u
s
h
elium flex li
n
nyms
ing acronym
s
e
male Pipe T
h
a
llons per Mi
n
t
ers per Minu
t
a
le Pipe Thr
e
x
ygen-Free
H
o
unds per Sq
u
c
h Cont
a
, Inc.
Drive
NY 13211
(315) 455-2
5
15) 455-254
4
p
port@cryom
e
w
ww.cryome
c
s
ed as a syn
o
n
es and cold
h
s
are used in
h
read
n
ute
t
e
e
ad
H
igh Conducti
u
are Inch Ga
a
ct Infor
m
5
55
4
e
ch.com
c
h.com
1-5
o
nym for cry
o
h
ead.
the text and
p
v
ity (describ
e
uge
m
ation
o
refrigerator.
p
rovided her
e
e
s a form of
C
It consists o
f
e
for conveni
e
C
opper)
Overvie
w
f
a compress
o
e
nt lookup.
w
o
r

2.1
Section 2
Warranty

Se
c
2.1
2.2
c
tion 2
Statem
e
Provided
according
extends a
operating
compone
n
warranty
d
If found t
o
Cryomech
are respo
n
The Puls
e
12,000 op
e
Conditi
o
Opera
in this
the sp
Failur
e
Sectio
Beca
u
perfor
m
care t
o
bent t
u
Opera
warra
n
Do no
heat
e
warra
n
Sectio
In so
m
the c
o
value
orient
a
load
o
under
If the
Cryo
m
p
rior
a
Cooli
n
the c
o
cleani
n
: Warr
a
e
nt of wa
r
that the c
u
to the speci
f
warranty on
a
hours, whic
h
n
ts of the co
m
d
oes not cov
e
o
be defecti
v
will provide
w
n
sible for all
s
e
Tube Cold
H
e
rating hours
o
ns that
c
tion of the cr
y
section will
v
ecified condi
t
e
to follow th
e
n 6.
u
se the tube
m
ance, extre
m
o
not dent or
u
bes. See Se
ting the cold
n
ty. See Sect
t
apply heat
d
e
xchanger(s))
n
ty will not
c
n 6.
m
e applicatio
n
o
ld head ori
e
specified in
a
tion other t
h
o
n the cold h
e
the warranty
.
bolt pattern
m
ech first to l
e
a
pproval from
n
g water mus
t
o
oling water
s
n
g purposes,
a
nty
r
ranty
u
stomer inst
a
f
ications and
a
ll parts and
w
h
ever comes
m
pressor pa
c
e
r user-servic
e
v
e and in
a
w
arranty repl
a
s
hipping and
h
H
ead is also
to deliver th
e
c
an void
y
orefrigerato
r
v
oid the warr
a
t
ions, contact
e
se installati
o
s in the co
m
e care mus
t
bend the tu
b
ction 6.
head in a
m
ions 6 and 7.
d
irectly to th
e
. Doing so w
c
over heatin
g
n
s, heavy co
m
nted vertical
l
Section 5.
h
an vertical
w
e
ad can da
m
.
See Sectio
n
on the heat
e
arn how to p
Cryomech
w
t
meet the r
e
s
pecifications
it will void th
e
2-1
a
lls, operate
procedures
s
w
orkmanshi
p
first. This w
a
c
kage, the c
o
e
able parts (
s
ccordance
w
a
cement par
t
h
andling cha
r
warranted f
o
e
specified te
m
the warr
a
r
in any situa
ti
a
nty. If you p
l
Cryomech.
S
o
n guidelines
ld head mu
s
t
be taken w
h
b
e assemblie
s
m
agnetic field
e
cold head (
ill damage t
h
g
of the col
d
m
ponents m
u
l
y, the maxi
m
If your appl
w
ith a load,
p
m
age the tub
e
n
6.
exchanger n
revent dama
g
w
ill
v
oid the w
a
e
quirements i
n
in Section
5
e
warranty. S
s and mai
n
s
et forth in t
h
p
for a period
arranty cove
o
ld head an
d
s
uch as fuse
s
w
ith the ter
m
t
s at no cost
t
r
ges associat
e
o
r the same
t
m
peratures
a
a
nty
t
ion that doe
s
l
an to operat
e
S
ee Section
5
could result
i
s
t have ver
y
h
en handling
s
. The warra
n
of greater t
h
e.g. solderin
g
h
e cold head
d
head over
u
st be mount
e
m
um allowab
ication requi
p
lease conta
c
e
s. This typ
e
eeds to be
c
g
e to the col
d
a
rranty. See
S
n
Section 5.
5
is introduce
d
S
ee Sec
t
ion 6
.
n
tains this
c
h
is manual,
C
of three (3)
y
rs all non-u
s
d
the helium
s
).
m
s of the li
m
t
o the custo
m
ed with warr
a
t
hree (3) yea
a
nd cooling c
a
s
not meet th
e
e
the system
5
.
i
n voiding the
y
thin walls
the cold hea
d
n
ty will not c
o
h
an 500 gau
s
g
anything to
and void the
325K (125º
F
e
d to the col
d
b
le load can
n
res a heavi
e
c
t Cryomech.
e
of damage
c
hanged, yo
u
d
head. Hole
s
S
ection 6.
If water that
d into the s
ys
.
Warran
t
c
ryorefrigerat
o
C
ryomech, In
y
ears or 12,0
0
s
er serviceab
flex lines. T
h
m
ited warran
t
m
er. Custome
a
nty repair.
rs or period
o
a
pacities.
e
specificatio
n
outside any
o
warranty. S
e
for cryogen
d
. Take speci
o
ver dented
o
s
s will vo
i
d t
h
the cold he
a
warranty. T
h
F
, 52ºC). S
e
d
surface. Wi
t
n
ot exceed t
h
e
r load or
a
A
n excessi
v
is not cover
e
u
must cons
u
s
drilled witho
does not me
e
ys
tem, even
fo
t
y
o
r
c.
0
0
le
h
e
t
y,
rs
o
f
n
s
o
f
e
e
ic
al
o
r
h
e
a
d
h
e
e
e
t
h
h
e
a
n
v
e
e
d
u
lt
ut
e
t
fo
r


A
volt
a
comp
r
that v
o
Do n
o
comm
comm
Do no
t
may o
The c
o
cold
h
return
e
When
gases
their f
r
heliu
m
servic
i
p
rem
a
warra
n
Never
warra
n
a
ge deviatio
n
r
essor motor
o
ltage range
w
o
t allow the
e
rcial cleani
n
ercial cleani
n
t
bend the fl
e
c
cur. This ty
p
o
ld head co
n
h
ead will voi
d
e
d for servici
n
adding heli
u
will result in
r
eezing tem
p
m
charge will
s
i
ng. Contam
i
a
ture failure
a
n
ty. See Sect
wet either
p
n
ty. See Sect
n
of more th
a
overheating
a
w
ill void the
c
flex lines to
n
g agent. H
n
g agents will
e
x lines to le
s
p
e of damage
n
tains no us
e
d
the warran
t
n
g. See Secti
u
m, the heli
u
the freezing
p
erature is m
u
s
everely deg
r
i
nation of th
a
nd, unless r
e
ion 8.
p
art of the
s
ion 8.
2-2
a
n 10% abov
e
a
nd possible
c
ompressor
w
come into
c
e
lium leaks
not be cover
e
s
s than 10 in
c
is not cover
e
e
r-serviceabl
e
t
y. Contact
C
on 8.
m must be
9
of the conta
u
ch higher t
h
r
ade the cold
e helium b
y
e
sulting from
s
ystem. Wat
e
e
or below t
h
failure. Indi
c
w
arranty. See
c
ontact with
caused by
r
ed under wa
r
c
h (25 cm) r
a
e
d under the
w
e
parts. Atte
C
ryomech if
t
9
9.999% pu
r
minant gase
s
h
an that of h
e
head’s functi
y
other gase
a system fa
i
e
r getting int
o
h
e voltage ra
t
c
ations of op
e
Sections 6 a
n
corrosives
o
exposure to
r
ranty. See S
e
a
dius or perm
w
arranty. Se
e
mpting to di
s
t
he cold hea
d
r
e. Contamin
s
in the cold
elium. Conta
on and it will
e
s is a com
m
i
lure, is not
c
o
the syste
m
Warran
t
t
ing can cau
s
e
ration outsi
d
n
d 7.
o
r any type
o
corrosives
o
e
ction 6.
anent dama
g
e
Section 6.
s
assemble t
h
d
needs to
b
ation by oth
e
head becau
s
minants in t
h
require facto
m
on cause
c
overed b
y
t
h
m
will vo
i
d t
h
t
y
s
e
d
e
o
f
o
r
g
e
h
e
b
e
e
r
s
e
h
e
ry
of
h
e
h
e

3.1
Section 3
Safety

Se
c
3.1
3
3
c
tion 3
Safety
a
.1.1 Equi
p
The safet
y
defined b
e
.1.2 Icon
s
Definition
s
: Safet
y
a
nd infor
m
p
ment sy
m
y
and inform
a
e
low.
A
lternating
Internal g
r
terminal.
S
any other
c
Warning I
c
The CE la
meets the
Conformit
é
maximum
(425psig).
The TUV l
a
meets the
officially r
e
CSA mar
k
Rheinland
by UL and
Power swi
t
Read the
m
equipment
,
or use. Thi
s
in the m
a
s
of Warning
a
Warning I
c
instruction
s
Electrical
W
observe in
s
humans.
y
m
ation s
y
m
bols
a
tion symbol
current. The
r
ound. This
S
uch a termin
c
onnections t
o
c
on. Refer to
t
bel is placed
safety stand
é
Européenn
e
temperature
a
bel is place
d
safety stand
a
e
cognized as
k
s. Nation
R
can test to t
h
CSA.
t
ch. This sym
m
anual or ha
n
,
the user sh
o
s
symbol is f
o
a
nual
a
nd Caution
a
c
on. A warnin
g
s
or precauti
o
W
arning Icon.
s
tructions or
3-1
y
mbols
stickers pla
c
symbol signi
symbol repr
e
al must be c
o
o
the equipm
e
t
he documen
t
on a produ
c
ards set by
t
e
.
A
ll pressu
of 94°C (2
0
d
on a prod
u
a
rds set by t
h
an equivale
n
R
ecognized
T
h
e same sta
n
bol designat
e
n
dbook sign.
o
uld read the
o
und on the
c
a
nd Informati
o
g
message is
o
ns could res
u
An electrical
precautions
c
c
ed on Cryo
m
fies that alte
r
e
sents an i
n
o
nnected to
e
e
nt.
t
s that acco
m
c
t if the prod
t
he Europea
n
re equipmen
t
0
0°F) and a
u
ct if the pro
d
h
e US and C
n
t and direct
T
esting Lab
o
n
dard and sp
e
e
s an in/out o
When this s
y
e
whole man
u
c
ompressor p
a
o
n icons in th
s
used when
f
u
lt in injury o
r
l
warning me
s
c
ould result i
n
m
ech Cryor
e
r
nating curre
n
n
ternal prote
c
e
arth ground
m
pany the eq
u
uct has bee
n
n
Communit
y
t
bearing the
maximum p
d
uct has bee
n
anada. The
c
replacemen
t
o
ratories (N
R
e
cifications
a
r push/push
s
y
mbol is fou
n
u
al before sta
ackage.
h
e manual
f
ailure to obs
e
r
death to hu
m
s
sage is use
d
n
electrical s
h
Safe
t
e
frigerators a
r
n
t is present.
c
tive ground
prior to mak
u
ipment.
n
tested for
a
y
. CE stands
CE label ha
s
ressure 29b
a
n
tested for
a
c
TUVus mar
k
t
of the UL
a
R
TL) like T
Ü
a
s those defi
n
s
witch.
n
d on a piec
e
rting installat
e
rve
m
ans.
d
when failur
e
h
ock or burn
s
t
y
r
e
ing
ing
a
nd
for
s
a
a
rg
a
nd
k
is
a
nd
Ü
V
n
ed
e
of
ion
e
to
s
to

3.2
3
3
Warnin
g
Warnings
subsyste
m
unpacking
.2.1 Sect
i
Sectio
n
Opera
specif
i
outsid
e
.2.2 Sect
i
Sectio
n
Opera
warra
n
The L
i
Main
A
adjus
t
of ver
y
Sectio
n
A
liquid re
t
used for s
h
yellow ca
u
be lowere
d
Caution Ic
o
or precauti
facilities.
Informatio
n
operator i
n
important i
n
g
s and c
a
and caution
s
m
. The same
, installation,
i
on 5. Spe
c
n
5.2 Techni
c
tion of the
i
cations in th
i
e
any of the
s
i
on 6. Inst
a
n
6.1 Reliqu
e
ting the Reli
q
n
ty.
i
quid Helium
A
ssembly is
t
without co
n
y
thin walled
s
n
6.2 Helium
t
urn line prot
e
h
ipping, pre-i
n
u
tion tape for
d
into the ap
p
o
n. A caution
o
ns could re
s
n
Icon. The a
c
n
obtaining
t
n
formation th
a
utions
s
for the Cr
y
warnings a
n
operation an
d
c
ifications
c
al specific
a
helium reli
q
i
s section wil
l
s
pecified con
d
a
llation
e
fier installa
t
q
uefier in a
m
Return Line
extremely d
e
n
tacting Cry
o
s
tainless ste
e
Reliquefier
e
ctor is attac
h
n
stallation, a
n
identification.
p
lication. Do
n
3-2
message is
u
s
ult in signific
a
c
companyin
g
t
he best pe
r
at does not i
n
y
omech Cry
o
n
d cautions
a
d
routine mai
a
tions
CA
U
q
uefier in a
n
l
void the wa
r
d
itions, conta
t
ion
CA
U
m
agnetic fiel
d
CA
U
extending o
u
e
licate. Plea
s
o
mech. The
e
l tubing with
v
Installation i
NO
h
ed to the He
n
d storage p
u
Do not rem
o
n
ot is dispos
e
u
sed when fa
a
nt damage
t
g
message c
o
r
formance fr
o
n
volve dange
o
refrigerator
a
ppear in th
e
ntenance se
c
U
TION
n
y situation
r
ranty. If you
ct Cryomech
U
TION
d
of greater t
h
U
TION
u
t of the sid
e
s
e handle
w
line is vacuu
m
very close to
l
i
nto your Cr
y
O
TE
lium Re-liqu
e
u
rposes. It is
o
ve this until
e
of this part.
ilure to obse
r
t
o equipment
o
ntains infor
m
o
m the equi
p
r to equipme
n
system are
e
appropriate
c
tions of this
d
that does
plan to oper
a
.
h
an 500 gau
s
e
of the Heli
u
w
ith care. D
o
m
jacketed a
n
l
erances.
y
ostat
e
fier assembl
y
wrapped in
b
the Re-lique
f
Safe
t
r
ve instructio
n
and/or
m
ation to aid
t
p
ment or ot
h
n
t or humans
listed here
b
e
places in t
h
d
ocument.
not meet t
h
a
te the syste
s
s will void t
h
u
m Re-liquefi
e
o
not bend
o
n
d construct
e
y
which is
b
lack and
f
ier is ready t
o
t
y
n
s
t
he
h
er
.
b
y
h
e
h
e
m
h
e
e
r
o
r
e
d
o

Sectio
n
Failur
e
Sectio
n
The c
o
panel
Sectio
n
Cooli
n
the c
o
cleani
n
Do no
t
panel
Sectio
n
A
volt
a
comp
r
that v
o
Be su
r
One l
e
attach
hazar
d
n
6.5 Compr
e
e
to follow th
e
n
6.5.1 Prep
a
o
mpressor p
a
mounted circ
n
6.5.2 Conn
n
g water mus
t
o
oling water
s
n
g purposes,
t
apply heat t
o
f the compr
e
n
6.5.3 Conn
a
ge deviatio
n
r
essor motor
o
ltage range
w
r
e to follow al
e
ad of the
c
the compre
d
will develop
e
ssor install
a
e
se installatio
a
re the com
p
a
ckage mus
t
uit breaker.
ect the wate
t
meet the r
e
s
pecifications
it will void th
e
o
the cooling
e
ssor.
ect the com
p
n
of more th
a
overheating
a
w
ill void the
c
l local electri
c
c
ompressor
p
ssor packag
e
.
3-3
a
tion
CA
U
n
guidelines
c
p
ressor pac
k
WA
t
be position
e
r lines to th
e
CA
U
e
quirements i
n
in Section
5
e
warranty.
CA
U
water inlet a
n
p
ressor pac
k
CA
U
a
n 10% abov
e
a
nd possible
c
ompressor
w
WA
R
c
al codes an
d
WA
R
p
ackage is g
e
to an ung
r
U
TION
c
ould result i
n
k
age locatio
n
RNING
e
d to provid
e
e
compress
o
U
TION
n
Section 5.
5
is introduce
d
U
TION
nd outlet con
k
age to the
m
U
TION
e
or below t
h
failure. Indi
c
w
arrant
y
.
R
NING
d
guidelines.
R
NING
rounded. Ne
r
ounded circ
n
voiding the
n
e
easy acce
s
o
r
If water that
d into the s
ys
nectors locat
m
ain power
h
e voltage ra
t
c
ations of op
e
ver bypass
t
uit. A dang
e
Safe
t
warranty.
s
s to the fro
n
does not me
e
ys
tem, even
fo
t
ed on the fro
t
ing can cau
s
e
ration outsi
d
t
his ground
o
e
rous electric
t
y
n
t-
e
t
fo
r
nt
s
e
d
e
o
r
al

3
Sectio
n
and th
e
Follo
w
lines.
destru
Do n
o
comm
comm
Do no
t
may o
Never
relievi
n
can bl
o
.2.3 Sect
i
Sectio
n
A
volt
a
comp
r
outsid
e
Opera
the w
a
n
6.5.4 Conn
e
compress
o
w
the proced
u
Failure to fo
ction of the s
o
t allow the
e
rcial cleani
n
ercial cleani
n
t
bend the fl
e
c
cur. This ty
p
remove th
e
n
g the heliu
m
o
w off the co
u
i
on 7. Ope
r
n
7.1.1 Chec
k
a
ge deviatio
n
r
essor motor
e
that range
w
ting the heliu
a
rranty.
ect the heli
u
o
r package
u
re carefully
llow the pro
c
ealing O-ring
flex lines to
n
g agent. H
n
g agents will
e
x lines to le
s
p
e of damage
e
Aeroquip
m
charge in t
h
u
pling with s
u
r
ation
k
s before o
p
n
of more th
a
overheating
a
w
ill void the
c
m reliquefier
3-4
u
m flex lines
CA
U
when conne
c
c
edure can
c
, and helium
CA
U
come into
c
e
lium leaks
not be cover
e
CA
U
s
s than 10 in
c
is not co
v
er
e
WA
couplings f
r
h
e line to acc
e
u
fficient force
p
erating
CA
U
a
n 10% abov
e
a
nd possible
c
ompressor
w
CA
U
in a magneti
c
to the heliu
m
U
TION
c
ting and di
s
c
ause accid
e
loss.
U
TION
c
ontact with
caused by
r
ed under wa
r
U
TION
c
h (25 cm) r
a
e
d under the
w
RNING
r
om the heli
e
ptable level
s
to cause inju
U
TION
e
or below t
h
failure. Indi
c
w
arrant
y
.
U
TION
c
field of gre
a
m
reliquefie
r
s
connecting t
e
ntal couplin
g
corrosives
o
exposure to
r
ranty.
a
dius or perm
w
arranty.
um flex line
s
. The press
u
u
ry.
h
e voltage ra
t
c
ations of vo
l
a
ter than 500
Safe
t
r
assembly
t
he helium fl
e
g
disassembl
o
r any type
o
corrosives
o
anent dama
g
s without fi
r
u
re in the ho
s
t
ing can cau
s
l
tage operati
o
gauss will vo
t
y
e
x
y,
o
f
o
r
g
e
r
st
s
e
s
e
o
n
o
id

3.2.4 Sect
i
Sectio
n
The h
e
the he
CON
T
RETU
Sectio
n
A
t no
replac
press
u
remo
v
The i
n
remo
v
Sectio
n
Venti
n
impro
p
be re
q
Sectio
n
When
gases
their f
r
heliu
m
servic
i
Conta
m
and,
u
i
on 8. Rou
t
n
8.3 Cold h
e
e
lium relique
f
lium reliquefi
e
T
ACT CRY
O
RNED FOR
S
n
8.4 Replac
e
time should
ing the ads
o
u
re since th
e
v
al.
n
put power m
v
ing side pan
e
n
8.5
V
ent e
x
n
g more than
p
er oil migrat
q
uired.
n
8.6 Recha
r
adding heli
u
will result in
r
eezing tem
p
m
charge will
s
i
ng.
m
ination of t
h
u
nless resulti
n
t
ine maint
e
e
ad
f
ier contains
n
e
rwill void th
O
MECH IF
S
ERVICING.
e
the adsor
b
the
A
eroqui
p
o
rber. Repla
c
e
adsorber
ust be disco
n
e
ls.
x
cess heliu
m
5 PSIG (.34
ion within th
e
r
ge helium
u
m, the heli
u
the freezing
p
erature is m
u
s
everely deg
r
h
e helium by
n
g from a sys
t
3-5
e
nance
CA
U
n
o user-servi
e warranty.
THE HELI
U
b
er
CA
U
p
coupling
s
c
ement can
is equipped
WA
R
n
nected from
m
CA
U
bar
/
34 kilo
p
e
system. If t
CA
U
m must be
9
of the conta
u
ch higher t
h
r
ade the cold
other gases
t
em failure, i
s
U
TION
ceable parts.
U
M RELIQ
U
U
TION
s
be remove
be complete
d
with Aeroq
u
R
NING
the helium
c
U
TION
p
ascals) of h
e
his condition
U
TION
9
9.999% pu
r
minant gase
s
h
an that of h
e
head's functi
is a commo
n
s
not covered
Attempting
t
U
EFIER NE
E
d from the
a
d without re
u
ipcouplin
c
ompressor
p
e
lium per min
occurs, fact
o
r
e. Contamin
s
in the cold
elium. Conta
on and it will
n
cause of pr
e
by the warra
Safe
t
t
o disassemb
E
DS TO
B
a
dsorber wh
e
lieving syste
gs for seal
e
p
ackage befo
r
ute will lead
t
o
ry service
w
ation by oth
e
head becau
s
minants in t
h
require facto
e
mature fai
l
u
r
nty.
t
y
le
B
E
e
n
m
e
d
r
e
t
o
w
ill
e
r
s
e
h
e
ry
r
e

Sectio
n
Never
warra
n
Never
comp
r
comp
o
n
8.7 Cleani
n
wet either
p
n
ty.
remove an
r
essor witho
u
o
nents can bl
o
n
g
p
art of the
s
Aeroquip
u
t first relievi
o
w off the co
u
3-6
CA
U
s
ystem. Wat
e
WA
coupling fro
m
ng the heliu
m
u
pling with s
u
U
TION
e
r getting int
o
RNING
m
the heliu
m
m
charge. T
u
fficient force
o
the syste
m
m
flex lines,
he pressure
to cause inj
u
Safe
t
m
will void t
h
cold head
o
in any of t
h
u
ry.
t
y
h
e
o
r
h
e

4.1
Section 4
Inspection and
Unpacking