Luxury
Air
Source
Heat
Pump
‐
Monobloc
System
33
TROUBLESHOOTING
This
section
provides
useful
information
for
diagnosing
and
correcting
certain
troubles
which
may
occur
in
the
unit.
General
guidelines
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’.
When
a
safety
device
was
activated,
stop
the
unit
and
find
out
why
the
safety
device
was
activated
before
resetting
it.
Under
no
circumstances
safety
devices
may
be
bridged
or
changed
to
a
value
other
than
the
factory
setting.
If
the
cause
of
the
problem
cannot
be
found,
call
your
local
dealer/installer.
If
the
pressure
relief
valve
is
not
working
correctly
and
needs
to
be
replaced,
always
reconnect
the
flexible
hose
attached
to
the
pressure
relief
valve,
to
avoid
water
dripping
out
of
the
unit!
General
symptoms
Symptom
1:
The
unit
is
turned
on
but
the
unit
is
not
heating
or
cooling
as
expected
Possible
causes
Corrective
action
The
temperature
setting
is
not
correct.
Check
the
controller
set
point.
The
water
flow
is
too
low.
•
Check
that
all
shut
off
valves
of
the
water
circuit
are
completely
open.
•
Check
if
the
water
filter
needs
cleaning.
•
Make
sure
there
is
no
air
in
the
system
(purge
air).
•
Check
on
the
manometer
that
there
is
sufficient
water
pressure.
The
water
pressure
must
be
>0.3
bar
(water
is
cold),
>>0.3
bar
(water
is
hot).
•
Check
that
the
pump
speed
setting
is
on
the
highest
speed.
•
Make
sure
that
the
expansion
vessel
is
not
broken
•
Check
that
the
resistance
in
the
water
circuit
is
not
too
high
for
the
pump.
The
water
volume
in
the
installation
is
too
low.
Make
sure
that
the
water
volume
in
the
installation
is
above
the
minimum
required
value.
Содержание TERCAX-110
Страница 7: ...Luxury Air Source Heat Pump Monobloc System 6 Model AXAO 11HA...
Страница 8: ...Luxury Air Source Heat Pump Monobloc System 7 Model AXAO 14HA and AXAO 16HA 3...
Страница 12: ...Luxury Air Source Heat Pump Monobloc System 11 OVERVIEW OF THE UNIT External view AXAO 06HA and AXAO 08HA...
Страница 14: ...Luxury Air Source Heat Pump Monobloc System 13 External view AXAO 11HA...
Страница 16: ...Luxury Air Source Heat Pump Monobloc System 15 External view AXAO 14HA and AXAO 16HA 3...
Страница 20: ...Luxury Air Source Heat Pump Monobloc System 19 Model AXAO 11HA Refer to the attached wiring diagram in the unit...
Страница 21: ...Luxury Air Source Heat Pump Monobloc System 20 Model AXAO 14HA Refer to the attached wiring diagram in the unit...
