Service A; Filter - Econar GeoSource Invision 3 Q Series Installation And Operating Instructions Manual

compressor
will
shut
down
in
a
few
seconds,
with the
blower stopping shortly after.
Next,
set
the thermostat
to
"COOL"
and turn down to
its lowest
setting. The compressor
will
start after
an
anti-short cycle period,
and the
blower
will
start
a
few
seconds
later.
The anti-short cycle
period
is
indicated
by
the red
light (labeled ASC)
on the
controller.
After
the
unit
has
run in
cooling for
5 minutes, check
the
airside return
and
supply temperatures.
An air
temperature drop
of
l5oF to
20oF is
normal in
the
cooling
mode
but
airflow
and
humidity
can
effect
temperature drop.
Set the thermostat
for normal operation.
Instruct
the
owner
on
correct operation
of
the
thermostat and heat
pump.
The
heat
pump
is
equipped
with
both high
and
low
pressure switches that
shut
the unit
off if
the
R-410a
refrigerant pressure exceeds 580 psi or
goes below 50 psi.
Ifthe
system exceeds
580 psi,
the
high-pressure switch
will trip
and
lock
the
unit
off
until
power
has been
disconnected
at the
circuit
breaker for approximately
one
minute.
System pressures below
50
psi in heating
will
trip
the
low
pressure switch and lock
the
unit
out
until
the
power supply
has
been de-energized for
one
minute.
On
a
well water
system, the freeze protection switch
(field
installed part number 75-1045) will
activate
rhe
lockout
at
65 psi in
the
heating
mode
to protect
the water coil
against freeze rupture. After
resetting
a
lockout (by
disconnecting power to
the
unit) verify that both water
flow
and airflow
are at the recommended levels before
energizing
the compressor. DO NOT
reset a
well
water
system
without verifying
warer
flow.
DO NOT
reset the
system more
than one
time.
9Repeated resetting of
the
Iockout
can cause serious damage
ifthe
reason
for
lockout
is not corrected.
I
-
Iflockout
occurs more than
once contact
your
ECONAR
dealer immediatelv.
t
X.
SERVICE
A dirty filter
will
increase
static pressure to
the system.
This
increase
in
static pressure
will
cause the
variable
speed
blower to
increase
its
speed
in order to maintain
airflow levels. This
increase
in
speed
will
consume more
power than normal, reducing
the
efficiency of
the system.
In
extreme
cases,
the
blower
will
not
be able
produce
the
correct amount of
airflow.
In
the
heating
mode, reduced
airflow
may increase the cost
of operation
and,
in
extreme
cases,
cause system
lockout
due to high
refrigerant
pressures. In
the
cooling
mode. reduced
airflow
may
reduce
cooling
capacity and,
in
extreme
cases,
ice the
aircoil
over causing system shutdown due
to low
refri gerant pressures.
This
washable electrostatic air
filter
can be cleaned
by
spraying water through
the
filter in
the
opposite direction
of
the
indicated
airflow.
This
can be done outside or
in
a
garage
with
a
garden hose, or in
a
large sink.
Soap may
also be used
to provide extra cleaning.
Ifanother filter
is
used
in place
ofthe
factory
supplied
filter, it
should
also be cleaned
or
changed
in
a
timely
manner" Be careful in selecting optional hlters
so
that
excessive
external
resistance to
airflow
is not induced.
B. Lockout Lights
A
lockout light
on the
fhermosrat
(the
right light
on the
thermostat)
will light
to indicate major
system
problems.
If
this
light
is flashing,
one
of
the two refrigerant
circuits
is locked out
on
its pressure switches. If
this
light
is
lit
solid, both
ofthe
refrigerant circuits
are locked
oul
If
lockout
occurs,
follow
the
procedure below:
1)
Check for
a
clean
filter
and correct water supply
from
the earth loop or well
water
system.
2)
Reset the system by disconnecting power
at the
circuit
breaker for
one
minute,
and then reapplying
power.
3)
If
shutdown reoccurs, check
the
indicator lights
on
the
controller in
the
unit
and
review
the
lockout
troubleshooting guide
in
section
XI
of
this
manual.
4)
If
lockouts persist, call
your ECONAR dealer. Do
not continuously
reset the lockout condition or
damage may occur.
I
C. Preseason
Inspection
Before
each
season, the air
coil,
drain
pan, and condensate
drain
should be inspected
and cleaned
as
follows:
-
Turn offcircuit
breakers.
-
Remove
access
panels.
-
Clean air coil
by vacuuming it
with
a soft_brush
attachment.
-
Remove any
foreign
matter from
the drain pan.
-
Flush pan
and drain tube with
clear
water.
-
Replace
access
panels and
return power to
the unit.
Regular
service to
a GeoSource Invision3
heat
pump is
very
limited.
The biggest factor
is cleaning
the air filter.
Other factors could include water
coil maintenance
on
an
open loop
system
(this maintenance is
discussed
in
:":t]gl
VJ.
Setting
up
regular
service checkups wirh your
ECONAR
dealer could
be considered. Any
major
problems
with
the heat pump
system operation
will
be
indicated
on the thermostat lockout light.
A. Filter
The GeoSource Invision3
heat
pump requires
an
electrostatic air filter
(ECONAR
parr number
jO-1O7j).
This
filter
can be cleaned and reused
after
it
becomes
dirty.
This filter
should normally
be cleaned once
a
month during normal usage.
During
extreme
usage or
if
system
performance
has decreased, the filter
should be
cleaned
more often.
l5