393805
‐
2
Rev
0:
05.05.2017.
KJK
We
reserve
the
right
to
change
technical
data
without
notice.
http://www.ensy.no
Page 12
4.5.1.9
Defrost
Menu
for
how
to
change
defrost
mode
if
temperature
is
low
and
humidity
is
height.
From
the
start
up
menu
you
can
see
which
defrost
mode
the
unit
is
set
in.
The
unit
is
set
in
mode
OFF
from
factory.
If
it
is
needed
to
change
the
defrost
mode
to
another
mode
then
press
button
4
and
scroll
down
to
Configuration
with
button
3.
Press
enter
button
and
follow
procedure
as
in
Menu
4.5
Setup
to
continue.
Press
enter
button
Defrost
mode
OFF
from
factory.
Modus
1:
at
low
humidity.
Defrosting
function
start
at
‐
20°C.
Modus
2:
at
normal
humidity.
Defrosting
function
start
at
‐
15°C.
Modus
3:
at
high
humidity.
Defrosting
function
start
at
‐
10°C.
The
function
when
defrosting
starts
is
that
each
hour
the
supply
air
fan
stops
for
6
minutes.
The
heater
EV
turns
off.
Extract
air
fan
reduces
speed
to
30%
and
the
rotary
exchanger
will
run
as
normal.
To
avoid
that
the
rotary
exchanger
will
stop
when
the
cycle
goes
back
to
normal
function,
the
supply
air
fan
will
start
up
the
last
minute
of
the
defrosting
mode
cycle.
(Supply
air
fan
reacts
delayed
relative
to
the
control
signals
and
rotary
exchanger
so
that
the
heater
will
not
engage
until
the
speed
of
the
supply
air
fan
has
passed
250
r/min,
in
normal
operation).
