CALIDO
Sanitary
water
heat
pump
21
9.7.3
Unload
of
water
from
the
tank
If
the
unit
needs
cleaning,
handling
etc,
the
tank
should
be
unloaded.
It
is
possible
to
do
this
through
the
water
supply
inlet
connection
or
through
a
manual
shut
‐
off
as
recommended
at
the
beginning
of
the
section
(the
installation
of
the
manual
shut
‐
off
valve
is
the
user’s/installer’s
responsibility).
1)
Close
the
cold
water
inlet.
2)
Open
the
hot
water
outlet
and
open
the
manual
valve
of
drainpipe.
3)
Start
the
water
unloading.
4)
After
unloading
the
water,
close
the
manual
valve.
9.8
ELECTRICAL
CONNECTIONS
Check
out
that
the
power
supply
meets
the
unit’s
electric
nominal
data
(tension,
phases,
frequency)
reported
on
the
technical
label
of
the
unit.
This
appliance
is
fully
supplied
with
a
power
cord
and
Schuko
plug,
it
is
forbidden
to
tamper
with
the
power
cord
or
the
plug,
contact
the
ustomer
assistance
service
if
necessary.
It
is
recommended
to
carry
out
a
check
of
the
main
electrical
circuit
and
its
compliance
with
the
regulations
in
force.
Check
that
the
main
electrical
ciruit
is
adequate
for
the
maximum
power
input
of
the
unit
(refer
to
the
data
on
the
nameplate)
in
both
the
cables
section
and
the
compliance
with
the
current
legislation.
WARNING:
The
power
supply
have
to
respect
the
listed
limits:
failing
this,
warranty
will
terminate
immediately.
Before
any
operation
on
the
unit,
be
sure
that
the
power
supply
is
disconnected.
WARNING:
The
supply
voltage’s
fluctuations
can
not
exceed
±10%
of
the
nominal
value.
Should
this
tolerance
not
be
respected,
please
contact
our
technical
department.
The
unit
must
always
have
an
earthed
connection.
If
the
power
supply
is
not
earthed,
you
may
not
connect
the
unit.
Never
use
an
extension
cable
to
connect
the
unit
to
the
electric
power
supply.
If
there
is
no
suitable,
earthed
wall
socket
available,
have
one
installed
by
a
recognized
electrician.
Do
not
move/repair
the
unit
by
yourself.
If
the
supply
cord
is
damaged,
it
must
be
replaced
by
the
manufacturer
or
its
service
agent
or
a
similarly
qualified
person
in
order
to
avoid
a
hazard.
Improper
movement
or
repair
on
the
unit
could
lead
to
water
leakage,
electrical
shock,
injury
or
fire.
The
installation
height
of
the
power
socket
should
be
over
greater
than
the
hyadraulic
connection
point
of
the
unit
in
order
to
potect
the
unit
from
water
that
may
spatter.
In
order
to
get
access
to
the
electrical
box:
1)
remove
the
front
part
of
the
unit,
twist
off
the
screws
placed
on
the
sides
(using
a
suitable
long
screwdriver,
it
is
possible
to
do
it
frontally
to
the
unit
for
any
built
‐
in
installations
or
very
close
to
the
walls)
2)
remove
the
metallic
cover
of
the
electrical
box
unscrewing
the
4
screws
3)
the
unit
is
already
provided
with
a
power
supply
cable
connected
to
the
electrical
box.
If
it’s
necessary
to
disconnect
it
and
to
connect
a
longer
cable,
or
if
it’s
necessary
to
connect
an
ON/OFF
remote
signal,
please
refer
to
the
wiring
diagram.
The
specification
of
the
power
supply
cable
is
3*1.5mm².
The
fuse
protection
specification
is
16A
250V.
There
must
be
a
switch
when
connecting
the
unit
to
the
power
system.
The
current
of
the
switch
is
10A.
A
creepage
breaker
must
be
installed
near
the
power
supply
and
the
unit
must
be
effectively
earthed.
The
specification
of
the
creepage
breaker
is
30mA,
less
than
0.1sec.
The
remote
ON
‐
OFF
contact
is
located
in
the
bottom
part
of
the
unit
inside
the
box
from
which
the
resistance
and
the
safety
thermostat
can
be
accessed.
See
paragraph
8.4.
10
START
UP
Before
start
‐
up:
Check
out
the
availability
of
the
supplied
wiring
diagram
and
manual
of
installed
apparatus.
Check
out
the
availability
of
the
electrical
and
hydraulic
diagram
of
the
plant
in
which
the
unit
is
installed.
Check
out
that
all
water
connections
are
properly
installed
and
all
indications
on
unit
labels
are
observed.
Check
the
inlet
water
pressure,
make
sure
that
the
pressure
is
sufficient
(above
1,5
bar).
Check
that
the
shut
‐
off
valves
of
the
hydraulic
circuit
are
open.
Verify
that
the
hydraulic
circuit
has
been
charged
under
pressure
and
air
vented.
Check
if
any
water
flows
out
from
the
hot
water
outlet,
make
sure
that
the
tank
is
full
of
water
before
turning
on
the
power.
Ensure
that
arrangements
have
been
provided
to
drain
the
condensate.
Check
out
the
electric
connections.
Check
that
electrical
connections
are
carried
out
according
to
the
norms
in
force
including
grounding.
Make
sure
that
the
voltage
is
within
the
limits
(±
10%)
of
tolerance
range
respecting
the
value
indicated
on
the
technical
label.
Check
out
that
there
is
no
refrigerant
leakage.
Check
out
that
all
the
cover
panels
are
installed
in
the
proper
position
and
locked
with
fastening
screws
before
start
up.
Check
the
unit;
make
sure
that
everything
is
ok
before
turning
‘ON’
the
power
of
the
unit,
check
the
light
on
the
wire
controller
when
the
unit
runs.
Summary of Contents for CALIDO 110
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