Gree GMV5 Series Service Manual page 154

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
——
3. The
ambient
tempera
ture
exceeds
the
required
range.
of
refrigera
nt to feel
the
temperat
ure
differenc
e. The
differenc
e is large
or part of
the pipe
is
frosting.
3.1 The
ambient
temperat
ure of
the IDU
that
works in
the Measure
cooling the
mode is outdoor
higher ambient
than temperat
32° C . ure.
3.2 The
outdoor
ambient
temperat
ure in
the Measure
cooling the
mode is outdoor
higher ambient
than temperat
40° C . ure.
3.3 The
ambient
temperat
ure of
the IDU
that
works in
the Measure
heating the
mode is outdoor
lower ambient
than temperat
12° C . ure.
151
2.4.2
The
pipeline
is
blocked
by
impuriti
es.
3.1.1
The
system
has
——
worked
for less
than 1
hour.
3.1.2
An
improp
er
——
system
is
selecte
d.
—— ——
3.3.1
The
system
has
——
worked
for less
than 2
hours.
3.3.2
An
improp
er
——
system
is
selecte
d.
Replace
and
solder
the pipe.
It is a
normal
phenome
non.
Choose
another
system
with
larger
power.
It is a
normal
phenome
non.
It is a
normal
phenome
non.
Choose
another
system
with
larger
power.