26
Check
the
power
supply
and
the
electrical
system,
make
sure
the
electrical
components
are
good,
and
the
wiring
is
well.
If
there
is
a
damaged
part
or
a
strange
smell,
please
replace
it
in
time.
If
the
heat
pump
is
not
used
for
a
long
time,
please
drain
out
all
the
water
from
the
unit
and
seal
the
unit
to
keep
it
good.
Please
drain
the
water
from
the
lowest
point
of
the
boiler
to
avoid
freezing
in
winter.
Water
recharge
and
full
inspection
on
the
heat
pump
is
required
before
it
is
restarted.
Do
not
turn
the
power
‘OFF’
when
you
use
the
unit
continuously,
or
the
water
in
the
pipe
will
freeze
and
split
the
pipe.
Keep
the
unit
clean
by
means
of
soft
damp
cloth,
no
maintenance
is
required
by
the
operator.
It
is
recommended
to
clean
the
tank
and
e-heater
regularly
to
keep
an
efficient
performance.
Generally no maintenance is required by the operator, except below: It is recommended to set
a lower temperature to decrease the heat release, prevent scale and save energy if the outlet
water is sufficient. Keep the unit clean by means of soft damp cloth.
TROUBLESHOOTING
This section provides useful information for diagnosing and correcting certain troubles which may
occur. Before starting the troubleshooting procedure, carry out a thorough visual inspection of the
unit and look for obvious defects such as loose connections or defective wiring.
Before contacting your local dealer, read this chapter carefully, it will save you time and money.
WHEN
CARRYING
OUT
AN
INSPECTION
ON
THE
SWITCH
BOX
OF
THE
UNIT,
ALWAYS
MAKE
SURE
THAT
THE
MAIN
SWITCH
OF
THE
UNIT
IS
SWITCHED
‘OFF’.
The guidelines below might help to solve your problem. If you cannot solve the problem, consult
your installer/local dealer.
No image on the controller (blank display). Check if the main power is still connected.
One of the error codes appears, consult your local dealer.
The scheduled timer does work but the programmed actions are executed at the wrong time
(e.g. 1 hour too late or too early). Check if the clock and the day of the week are set correctly,
adjust if necessary.
ENVIRONMENTAL
INFORMATION
This
equipment
contains
fluorinated
greenhouse
gases
covered
by
the
Kyoto
Protocol.
It
should
only
be
serviced
or
dismantled
by
professional
trained
personnel.
This
equipment
contains
R134a
refrigerant
in
the
amount
as
stated
in
the
specification.
Do
not
vent
R134a
into
the
atmosphere:
R134a,
is
a
fluorinated
greenhouse
gas
with
a
Global
Warming
Potential
(GWP)
=
1300
.
