WL250
Operating,
Installation,
and
Service
Manual
Page
18
‐
Revision:
4
‐
25
‐
2016
WL250
TOWER
DRAINING
INSTRUCTIONS
Draining
Notes
Drain
the
WL250
Water
Treatment
System
for
transportation.
WARNING!
STORE
UNIT
EMPTY.
ALWAYS
SANITIZE
BEFORE
REUSE.
The
unit
must
be
completely
drained
and
sealed
before
storing
to
avoid
stagnation
and
reduce
microbial
growth).
Prior
to
draining
the
Hot
Tank,
turn
off
the
Red
Heater
and
Compressor
Power
Switch
(
O=OFF)
,
and
dispense
2
liters
of
hot
water
from
the
machine.
As
hot
water
is
dispensed
from
the
faucet
of
the
WL250
Water
Treatment
System
,
colder
water
will
be
introduced
into
the
hot
tank.
Since
the
Red
Heater
and
Compressor
Power
Switch
is
turned
off,
the
heater
will
not
energize
and
heat
the
incoming
tap
water.
Following
this
precaution
prevents
exposing
personnel
and
equipment
(drains,
catch
basin,
etc.)
to
scalding
hot
water.
Disable
Cold
and
Hot
Tanks
8.
Turn
off
the
Red
Heater
and
Compressor
Power
Switch
(
O
‐
OFF
)
to
disable
the
heater
and
compressor.
9.
Dispense
2
liters
of
water
through
the
hot
tank
to
cool
the
water
temperature
in
the
hot
tank
and
avoid
burns.
WARNING!
HOT
WATER.
The
WL250
Water
Treatment
System
produces
Hot
Water
up
to
188°F.
Water
above
125°
can
cause
severe
burns
or
scalding.
Hot
water
should
be
dispensed
carefully
into
insulated
container
to
avoid
injury.
Turn
off
Water
Supply
and
Bleed
Water
Pressure
10.
Isolate
the
WL250
Water
Treatment
System
from
feed
water
by
turning
off
the
supply.
11.
Dispense
cold
still
water
to
relieve
any
pressure
built
up
in
the
system.
12.
Insert
approx.
3
inches
of
blue
tubing
into
the
Line
Bulkhead
fitting
at
back
of
the
WL250
Water
Treatment
System
to
allow
water
to
drain.
13.
Depress
Cold
Water
Dispense
Button
until
all
Cold
Water
has
drained
from
the
WL250
Water
Treatment
System
.
14.
Depress
Hot
Water
Dispense
Button
until
all
Hot
Water
has
drained
from
the
WL250
Water
Treatment
System
.
Bulkhead
Fitting