MAINTENANCE SCHEDULE
Monthly
1. Check for debris surrounding condensing unit (i.e. leaves, branches, trash, etc.); remove all
obstructions
2. Check for unusual noise or vibration
3. Check the drain line to see if it is above the waterline (if draining into a vessel) Inspect the
external drain line for functionality. Moisture should be present inside of the drain line if
system has been running. If uncertain, remove one evaporator grille and poor water into the
drip pan to engage the condensate pump.
Semi -
Annually
1. Use a vacuum with brush attachment or compressed air to clean the evaporator coil; be
careful not to crush coil fins when cleaning, clean condensing coils also
2. Remove the evaporator filter and clean with warm water
3. Ensure the condensing unit is free of debris and dust
4. Have a certified HVAC-R technician service the condensing unit and clean the condenser coil
Annually
1. Inspect outdoor condenser for corrosion.
2. Check wiring connections and integrity of cords
3. Blow out drain line with air to clear any debris or buildup
Quarterly
Clean out drip pan inside evaporator.
NOTE:
For ducted systems, WhisperKOOL recommends filters with a mean efficiency reporting value (MERV) of
4 or better. Filters are not included with the unit.
1. Use
a
5
/
16
"
n
u
t
driver
to
remove
screws
from
evaporator
panel
and
detach
the
panel
.
2. Clean
inside
pan
with
soap
&
water
u
sing
a
sponge
.
3. Test
f
u
nction
of
the
drain
pan
.
Introd
u
ce
water
into
the
pan
and
verify
proper
flow
to
the
exit
point
of
the
drain
line
.
4. Once
p
u
mp
f
u
nction
has
been
verified,
drop
Air
Conditioning
Pan
Tablet
inside
of
pan,
then
replace
panel
with
screws
.
Page 57
08/09/21
