Page
17
of
59
SK2015
SWC
‐
V
‐
EC
‐
001
Unit
Maintenance
and
Preparation
C.2.
C.2.1.
Opening
and
Closing
Of
Lift
‐
Up
Grille
Cover
Open
the
grille
cover
by
lifting
from
the
bottom
position
indicated
by
the
arrows.
Close
the
grille
cover
by
pressing
down
at
the
positions
indicated
by
the
arrows.
C.2.2.
Removing
Front
Cover
Assembly
1.
Set
the
horizontal
louver
to
the
horizontal
position.
2.
Remove
the
screw
caps
below
the
louver,
and
then
remove
the
mounting
screws.
3.
Open
the
lift
‐
up
grille
cover
by
grasping
the
panel
at
both
sides
as
shown
above.
4.
Remove
the
remaining
screws
located
in
the
center
of
the
front
cover.
5.
Grasp
the
lower
part
of
the
front
cover
and
pull
the
entire
assembly
out
and
up
towards
you.
C.2.3.
Air
Purging
1.
After
connecting
the
water
inlet
and
outlet
pipes
to
the
main
supply
lines
turn
on
the
main
breaker
and
operate
the
unit
in
COOLING
mode.
2.
Open
the
water
inlet
valve
and
flood
the
coil.
3.
Check
all
connections
for
water
leakage.
If
no
leak
is
found,
open
the
purging
valve
with
an
open
end
wrench
while
supporting
the
unit
with
your
other
hand.
Then
purge
the
air
trapped
inside
the
coil.
When
performing
this
activity,
take
care
not
to
touch
the
electrical
parts.
4.
Close
the
purging
valve
when
no
bubbles
appear.
5.
Open
the
water
outlet
valve.
C.2.4.
Wiring
Connections
Unit
components
are
wired
to
the
terminal
block
of
the
indoor
unit.
Wiring
can
be
accessed
from
the
terminal
block
inside
the
control
box.
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