Acorto 2000s - Page 77

Steam
Level
Sensor
Board
and
Sight
Tube
Operation
Voltage:
I2VDC
- Green
Wire
Signalto
CPU
-
White
Wire
Ground
-
Black
Wire
The
Steam
Level
Sensor
Board
monitors
the
water level
in the
steam
tarrk.
usirlg
electrical
capacitance
(the
ability
to
hold
a
charge).
The
board
is attached
to
a sight
glass located
to the
rear of
the
steam
tank.
Trvo sets
of clamps
connect
the b,card
to
the
sight
glass"
When
the
water
level
is below
the
upper
set of clamps.
5VDC
is sent
to the
CP[J.
The CPU,
in turn,
opens
the
steam
fill
valve'
When
the
water
level
reaches
the
upper
set
of clamps.
The
5VDC
is cut.
and
the
CPU.
in turn,
closes
the
steam
fill
valve.
The
red LED
on
the Steam
Level Sensor
Board
illuminates
as
a
visual
indication
of the
status
of the
fill valve.
When the
red
LED is off.
the tank
is
filling.
A length
of
PTFF.
Cord
is inserted
in
the
sight
tube to
allow
condensatiotr
1o
drain
down
tube.
Steam
Level
Sensor
Board
on
Sight
Glass
Tube
Clips attach
Sensor
Boanj
to Sight Glass
-
Green
12VDC
To JPz(
White
Signal
-
Black Ground
Red LED
"OFF"
when tank
is fillirrg
\ /hite Clamp
located
between
Sensor
Board
Clip and
Nut
7-2
Acorto
2000s/i
Technical
SuPPort