Acorto 2000s - Page 86

2030-0094
Section 9: Refrigeration Unif
Refer Module
Assembly
Operating
Current approximately 12.4 AMPS, Default Setting:
36o
The refer module
as:sembly contains 3
Peltier/Thernroelectric
chips. The
Peltier
chip
contains
semi-conductors
sandwiched between
porcelain
shr:ets.
When voltage
is
applied
one
side of the
chip becomes
extremely
hot
while
the other
side
becomes
cold.
The
chips
are rvirecl in
parallel.
lf
one chip
fails.
the otlrer
two will
continue
to
functicllr.
A gap
between
the
Cold Sink Deflector and the Circulatiorr
Fan may
cause faultv
Refer
tem
perature
readi ngs.
Quick
Tip
Viewing
the Amperage
of the
Refer Assembly
1. Enter
the
programming
menu
and access
the Main Menu
Category:
TEST ROU-IINES
2. Scrollto
tllre Sub Menu Category: REFER
CURRENT
3. Current
arnperage
across
refer
chips
is
displayerl
Do
not remain
in Teist
Routines: Refer Current for
over
3 minutes.
The
fans
are
disabled
and
the refer
assembly will
overheat.
Cold
Sink Deflectrcr
'
Located
in
the rear
of
the refer
unit. the Cold Sink
Deflector
protects
the Ref-er
Assernblv
and
guides;
air flow
through the circulatiorr
fan.
The
Cold
Sink Deflector
should
be mounted directly
under
the
circulation
fan.
A
gap
between
the cold
sink
Deflector
and the
circulation
Fan
may
cause
faulty
Refer
temperature
readings.
Acorto
200Os/i
Technicat
Support
9-3