Thermo Scientific ThermoFlex10000, Инструкция по установке, эксплуатации и обслуживанию, Страница: 158 / 210

Thermo Scientific
ThermoFlex 7-4
Section 7
Er
ror Code
R
eaction
Cause
Actions
LLF
Chiller will shut do
wn.
Optional auto refill shuts do
wn.
Reser
voir fluid lev
el too lo
w
for nor
mal operation.
The auto refill time c
hosen
for the customer adjustable fill
setting in the Setup Loop
is set to 0 and the
chiller
is
configured to shut do
wn, see
Section 4.
•Ex
cessi
ve ev
aporation. Ensure the c
hiller is operating with the
funnel and cap in place
.
•Chec
k for leaks
.
•Chec
k
rEFil
settings and adjust if
necessar
y, see Section 4.
• Add fluid to the tank.
LoFLo
Chiller reaction de
pends on
ALr
setting c
hosen in the
Setup Loop
, see Section 4.
(Chillers equipped with a flo
w
transducer
.)
The process fluid flo
w
rate has g
one belo
w the
adjustable setting’
s v
alue
.
•
If
the
chiller
is still r
unning press enter to see if
the code clears
,
the limit ma
y ha
ve been only temporarily ex
ceeded.
•V
erify y
our
LoFLo
setting, see Section 4.
•
Adjust flo
w if
chiller
is equipped with an optional flo
w control
valv
e, see Section 5.
• Chec
k all v
alv
es in y
our application and plumbing lines to ensure
that they ha
ve not c
hang
ed or closed.
•
If
flo
w transducer has recently been calibrated, double c
hec
k
calibration to ensure it w
as done properly
, see Section 8.
Lo P1
Chiller reaction de
pends on
ALr
setting c
hosen in the
Setup Loop
, see Section 4.
Pump’
s lo
w disc
harg
e
pressure is belo
w Setup Loop
lo
w alar
m v
alue
.
•
If
the
chiller
is still r
unning press enter to see if
the code clears
,
the limit ma
y ha
ve been only temporarily ex
ceeded.
•Ensure that c
hiller reser
voir lev
el is not too lo
w.
•V
erify y
our
LoP1
setting, see Section 4.
• Chiller requires >3 PSIG application pressure drop
. If
a b
ypass
valv
e has been installed, some restriction ma
y need to be added to
the b
ypass line
.