Specifications
SECTION
H
MAINTENANCE
AND
CHECK
Push operation switch
to
"OFF" remove
the AC
Plug
from
the
wall outlet
and
wait approximately
30
minutes
for the
heater
to
cool
before
performing
any of the
following steps.
Checking
the
Heater
Area
Should
be
kept
clean
and
free
from
combustible
materials, gasoline
and
other flammable vapors
and
liquids.
Retrieving
Objects
from
Inside
the
Heater
Should
an
object fall
inside
the
heater, through
the
grill
openings,
it
must
be
removed
to
avoid affecting
the
operation
of the
heater.
After
allowing
the
heater
to
cool,
remove
the
front cover
panel
and
grill.
(See
Step
5,
Page 21.) After
the
object
has
been removed, replace
the
grill
and
front
panel
before
attempting
to
re-start
the
heater.
Cleaning
the
Cabinet
When
the
cabinet
is
soiled,
wipe
it
with
a
damp
cloth.
Restore
the
shine
with
a dry
cloth.
The use of
abrasive
household cleaners
may
dull
the
finish.
ACAUTION:
Checking
the
Flue
Pipe
At
the
beginning
of
each heating season, check
the
inside
of the
flue pipe.
Foreign
matter,
spider webs, etc.
must
be
removed.
Be
sure
all
fittings
and
joints
are
tight.
NOTE: Reassembly
and
Reseating
of,the
Vent-Air
Intake Pipes
Make sure that
all
exhaust
pipe
and
intake
pipe
connections
are
firmly
mated.
Make
sure that
the
connections between
the
flue
pipe
and
exhaust/air
intake
pipe
and
hose
are
secured
by the
pipe
holder
(P/N 4006)
and the
hose band (P/N 4008).
Cleaning
the
Interior
Remove
the
front cover
and
grill
assemblies (See Step
5,
Page
21),
and
vacuum
and
wipe away dust
and
other
accumulation.
Cleaning
the
Blower
Guard
Heating efficiency
will
be
reduced
if the
blower
guard
at
rear
of the
cabinet
is
blocked
with
dirt
or
dust.
Blockage also produces
a
rise
in
heat that
could
cause
the
heater
to
shut off.
Wipe
the
guard clean
at
least once
a
week.
Electric
Motor
Maintenance
Motors
are
permanently
lubricated
and
need
no
lubrication.
Keep
fan and
motor free
of
dust
and
dirt
clean
annually.
Checking
the
Burner
Flame
The
burner
of
this
appliance
does
not
need
cleaning,
but
check
the
burner
flame
once
a
year.
Flame pattern should
be as
shown
in the
following
figures.
The
burner must flame evenly over
the
entire surface
when
operating correctly.
The
flame must burn with
a
clear blue
stable
flame.
Blue Flame
SATISFACTORY
Yellow Flame
UNSATISFACTORY
Fig.23
Cleaning
the
Burner
Cleaning
the
burner requires disassemble
of the
heat
exchanger
and
combustion chamber.
/t\
WARNING:
Do not
attempt
to
disassemble
the
heat
exchanger
and
combustion chamber. This work
is
critical
and
must
be
done
only
by an
authorized
technician.
Storing
the
Heater
During
summer months
or
long
periods when your
heater
will
not be in
operation,
take
the
following
steps:
•
Clean
off the
exterior
cabinet
with
a
damp
cloth,
and
brush
or
vacuum dust from
the
grills.
•
Cover
the
heater
to
protect
it
from dust.
• DO NOT
DISASSEMBLE
the
heater
or
extension kits.
Replacement
of
lost parts
is an
unnecessary expense.
•
Shut
off
fuel supply
to
unit.
•
Disconnect
or
shut
off
power supply
to
unit
to
prevent
possible damage from
lightning
or
power surge.
22