61/61
CLEANING
The
coils
should
preferably
be
cleaned:
-
With
compressed
air
-
By
brushing
with
non-metallic
materials
-
With
clean
water
spray
(3
bars
maximum
at
a
distance
of
1.5m).
-
Avoid
spraying
motors
with
water.
The
electrical
supply
will
have
to
be
switched
off
during
this
operation.
Avoid
all
aggressive
detergents
which
may
cause
eventual
corrosion.
FAN
MOTOR
CHANGE
This
operation
can
only
be
undertaken
once
the
electrical
supply
has
been
switched
off
(consignation).
The
access
flaps
can
only
be
opened
when
this
is
the
case.
If
a
fan
motor
needs
to
be
changed,
care
should
be
taken
to
unplug
all
purge
holes
during
reinstallation
to
enable
the
condensation
to
escape.
HEATER
ELEMENT
CHANGE
When
a
faulty
heater
element
is
found,
it
must
be
replaced
as
soon
as
possible.
If
the
star
point
is
not
connected,
there
is
a
risk
of
a
knock-on
effect
in
which
the
other
heaters
will
also
break
down.
This
operation
can
only
be
undertaken
once
the
electrical
supply
has
been
switched
off
(consignation).
Remove
the
defective
heater
and
clip
in
the
new
heater.
-
TROUBLESHOOTING
Examples
of
faults
FAULT
PROBABLE
CAUSE
ACTION
REQUIRED
Evaporation
Pressure
too
low
Insufficient
flow
air
flow.
Coil
iced
up
Insufficient
liquid
in
installation.
Add
remainder
of
charge.
Superheat
too
great
Check
and
adjust
the
expansion
valve
Thermostatic
expansion
valve:
Work
above
MOP
point.
Pressure
regulator
not
connected
Change
or
adjust
expansion
valve
Ma
nufa
ct
ur
ed
in
France
by
PROF
ROI
D
CARRI
ER
S.C.S
178,
rue
du
Fauge
-
ZI
Les
Paluds
-
B.P.
1152
-
13782
Aubagne
Cedex
-
France
International:
Tel.
(33)
4
42
18
05
00
-
Fax
(33)
4
42
18
05
02
