Gree GMV-615WM/B-X - Page 154

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