Heat Pump Water Heater
-
5
0 Hz ( R134a)
42
1
7
.
Maintenance
DANGER
Before manually operating the relief
valve, make sure it will discharge in a
safe place. If water does not flow freely
from the end of the discharge pipe, turn
off the power to water heater and call a
qualified person.
!
At least annually, lift and release the lever
handle on water heater to ensure the
waterways are clear and the valve operates
freely.
Air Filter Maintenance
Clean
the
air
filters
when
“Air filter check
(
)”
alarm
appears
on
the
display.
NOTE
• The
air
filter
can
be
broken
when
it
is
bended.
• When
the
air
filter
is
not
assembled
correctly,
dust
and
other
substance
come
into
the
unit.
T&P Relief Valve
Maintenance
1
Turn
off
the
power
by
opening
the
circuit
breaker
or
removing
the
fuses.
2
Hold
the
knobs
of
the
air
filter, pull
it
and
remove
it
from
the
top
cover.
3
Clean
the
filter
with
a
vacuum
cleaner
or
with
lukewarm
water
with
neutral
detergent.
4
Dry
the
filter
in
the
shade.
5
Insert
the
air
filter
into
the
top
cover.
6
Check
the
top
cover
for
correct
assembly
of
the
air
filter.
