Carrier 59TN6A Installation, Start-Up, Operating And Service And Maintenance Instructions page 73

Carrier 59tn6a two-stage, variable speed multipoise gas furnace
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2.Turn Setup Switch, SWI-1 "ON."
3.Manually close b lower door s witch.
4.Control willflash u pto7Status Codes.
5. The last Status Code, or 8th Code, will be Code 11.
6. Turn SWI-1
"OFF."
7. A continuously-lit
Amber
LED
will appear
and indicates
proper
operation.
8. Release
blower
door switch,
install blower
door and
refer
to the SERVICE
label on the control
door for more inform-
ation.
Component
Self-Test
Component
Test
can
ONLY
be
initiated
by
performing
the
following:
1. Remove
blower
door.
2. Remove
the wire
from
the "R"
terminal
of the
control
board.
3. Turn Setup Switch,
SW-1-6
"ON."
4. Manually
close blower
door switch.
Blower
door switch opens
115-v
power
to control.
No component
operation
can occur unless switch
is closed.
Caution
must be taken
when manually
closing
this switch
for service
purposes.
ELECTRICALSHOCK
HAZARD
Failure
to follow
this warning
could result in personal
iniury,
or death.
Blower
door switch
opens
115-v
power
to furnace
control.
No component
operation
can occur
unless
switch
is closed.
Exercise
caution
to
avoid
electrical
shock
from
exposed
electrical
components
when manually
closing
this switch
for
service purposes.
5. Component
Test sequence
will function
as follows:
a. The furnace
control
CPU turns the inducer
motor
ON at
high-heat
speed and keeps it ON through
step c.
b. After waiting
10 sec the furnace control
CPU turns the hot
surface igniter
ON for 15 sec, then OFF.
c. The furnace
control
CPU
then turns
the blower
motor
BLWM on at mid-range
airflow
for 15 sec, then OFF.
d. After shutting
the blower
motor OFF the furnace
control
CPU switches
the inducer
to low-heat
speed for 10 sec,
then OFF.
NOTE:
The EAC
terminals
are energized
when
the blower
is
operating.
After the component
test is completed,
1 or more status codes (11
or 25) will flash. See component
test section
or Service
Label (Fig.
54) for explanation
of status codes.
NOTE:
To repeat component
test, turn setup switch
SWI-6
OFF
then back ON.
6. RELEASE
BLOWER
DOOR
SWITCH,
reattach
wire to
"R" terminal
on furnace
control
board
and replace
blower
door.
Care and Maintenance
FIRE
OR EXPLOSION
HAZARD
Failure
to follow
this
warning
could
result
in personal
iniury, death and/or property
damage.
Never store flammable
or combustible
materials
on, near, or
in contact
with the furnace,
such as:
1. Spray
or aerosol
cans,
rags,
brooms,
dust
mops,
vacuum
cleaners,
or other cleaning
tools.
2. Soap
powders,
bleaches,
waxes
or other
cleaning
compounds,
plastic
or plastic
containers,
gasoline,
kerosene,
cigarette
lighter
fluid, dry cleaning
fluids,
or other volatile
fluids.
3. Paint
thinners
and other
painting
compounds,
paper
bags,
or other
paper
products.
Exposure
to these
materials
could
lead
to
corrosion
of
the
heat
exchangers.
For continuing
high performance
and to minimize
possible
furnace
failure,
periodic
maintenance
must be performed
on this furnace.
Consult
your local
dealer about
proper
frequency
of maintenance
and the availability
of a maintenance
contract.
ELECTRICAL
SHOCK
AND FIRE
HAZARD
Failure to follow
this warning
could result in personal
iniury,
death, and/or property
damage.
Turn
off the gas and electrical
supplies
to the furnace
and
install
lockout
tag
before
performing
any maintenance
or
service.
Follow
the
operating
instructions
on
the
label
attached
to the furnace.
CARBON
MONOXIDE
POISONING
AND
FIRE
HAZARD
Failure
to follow
this
warning
could
result
in personal
iniury, death and/or property
damage.
Never
operate
furnace
without
a filter
or filtration
device
installed.
Never
operate
a furnace
with
filter or filtration
device
access doors removed.
CUT HAZARD
Failure to follow this caution
may result in personal
iniury.
Sheet metal
parts may have sharp edges or burrs.
Use care
and wear appropriate
protective
clothing,
safety glasses and
gloves when handling
parts, and servicing
furnaces.
The minimum
maintenance
on this furnace is as follows:
1. Check
and clean air filter each month
or more
frequently
if
required.
Replace
if torn.
2. Check blower
motor
and wheel for cleanliness
each heating
and cooling
season.
Clean as necessary.
3. Check
electrical
connections
for tightness
and controls
for
proper operation
each heating
season.
Service
as necessary.
4. Inspect
burner
compartment
before each heating
season
for
rust, corrosion,
soot or excessive
dust.
If necessary,
have
furnace
and burner
serviced
by a qualified
service agency.
73
H

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