-
14
-
SERVICING
Before servicing, switch power off at the
service panel and lock the area to prevent
power from being switched on accidentally.
When the area cannot be locked securely
fasten a prominent warning device, such as a
tag to the service panel.
NOTE:
We strongly recommend that any
servicing be performed by a
qualified individual.
For ease of service
,
the unit can be
removed from the case:
1. Remove the front case panel.
2. Unplug the power cord.
3. Raise the top duct by turning all four
case top duct adjusting screws
counterclockwise.
4. Remove the front and/or side case-to
unit grounding screw, if present.
5. Slide the unit out of the case.
WARNING
HIGH VOLTAGE
Disconnect all power before servicing
or installing this unit. Multiple power
sources may be present, failure to do
so may cause property damage,
personal injury or death.
NORMAL OPERATING SOUNDS
AND CONDITIONS
Air
sounds
The
fan
cycle
switch
sets
the
operational
mode
of
the
fan
.
In
the
ON
position
the
fan
will
run
continuously
whenever
power
is
applied
in
this
mode
.
In
the
AUTO
position
,
the
fan
will
cycle
on
and
off
with
the
compressor
or
electric
heater
.
Starting
delay
You
may
notice
a
few
minutes
delay
in
the
starting
if
you
try
to
restart
the
unit
too
soon
after
turning
it
off
or
if
you
adjust
the
thermostat
right
after
the
compressor
has
shut
off
.
This
is
due
to
a
built– in
delay
to
protect
the
compressor.
Buzzer
Response
The
buzzer
will
chime
Di”
(
0
.
1
sec
)
as
response
when
receiving
the
effective
order
from
key
pad
control
and
remote
control.
“
Water
trickling
sounds
Water
is
picked
up
and
distributed
over
the
coil
.
This
improves
the
efficiency
and
helps
with
water
removal.
Water
dripping
Water
will
collect
in
the
base
pan
during
high
humidity
days
.
This
can
cause
overflow
and
drip
from
the
outside
of
the
unit
.
User Control Configuration
The adjustable control switches are located at the PCB.The inputs are only visible and accessible
with the electric control box removed from the unit.
side screws
side screws
PCB in the electric
contorl case
PCB
1 2 3 4 5 6 7 8
S1
DIP switch
OFF
ON
1
2
3
4
5
6
7
8
S
1
SW1
1
2
3
4
SW1
DIP switch
1 2 3 4
OFF
ON
Содержание VTAC
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