Bryant 355MAV Furnace User Manual


 
7
Installing and servicing of heating
equipment can be hazardous due to
gas and electrical components.
Only trained and qualied personnel
should install, repair, or service heat-
ing equipment. Untrained personnel
can perform basic maintenance func-
tions such as cleaning and replacing air
lters.
All other operations must be performed
by trained and qualied service agency
personnel. Observe safety precautions
in this manual, on tags, and on labels
attached to the furnace and other safety
precautions that may apply.
With proper maintenance and care, your
furnace will operate economically and
dependably. Instructions for basic main-
tenance are found on this and the follow-
ing pages. However, before beginning
maintenance, follow these safety pre-
cautions:
FILTERING OUT TROUBLE
A dirty air lter will cause a loss of airow
in your duct system. When excessive loss
WARNING
Turn off electrical power sup-
ply to your furnace before re-
moving the main furnace door
to service or perform mainte-
nance. Failure to follow this
warning could result in per-
sonal injury/death or property
damage.
CAUTION
Although special care has
been taken to minimize sharp
edges, be extremely careful
when handling parts or reach-
ing into the furnace. Failure to
follow this caution woud result
in minor personal injury.
CAUTION
Never operate your furnace
without the air filter in place.
Doing so may damage the fur-
nace blower motor. An accu-
mulation of dust and lint on
internal parts of your furnace
can cause a loss of efficiency
and would cause minor prop-
erty or product damage.
!
!
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of airow occurs, the furnace may cycle
on its safety controls. If this condition is
left unattended, the furnace will eventu-
ally lock out. It is recommended that the
furnace air lter be checked every 3 or 4
weeks and cleaned if necessary.
If installed with factory-specied dis-
posable media lter, check or replace l-
ter before each heating and cooling
season. Replace media lter at least
once a year.
The air lter is normally located in the
blower compartment (See Fig. 3 or 4.)
or in the factory-supplied lter cabinet
attached to the side or bottom of the
furnace casing. If air lter has been
installed in another location, contact
your dealer for instructions. To inspect,
clean, and/or replace the air lter(s),
follow these steps:
1. Turn off electrical supply to fur-
nace. (See Fig. 20.)
2. Remove door/access panel
AIR FILTER(S) LOCATED IN
BLOWER COMPARTMENT
a. Remove main furnace door.
(See Fig. 23.)
b. Remove blower access panel.
(See Fig. 24.)
NOTE: It will be necessary to
remove 2 screws
AIR FILTER LOCATED IN FIL-
TER CABINET
a. Remove lter cabinet door (See
Fig. 25 and 26.)
NOTE: It will be necessary to
remove 1 thumbscrew
3. Remove air lter from furnace.
AIR FILTER LOCATED IN
BLOWER COMPARTMENT
BOTTOM:
a. Slide lter retainer sideways
until it is free of latch. (See
Fig. 27.)
b. Slide air lter out of furnace.
(See Fig. 28.)
AIR FILTER(S) LOCATED IN
BLOWER COMPARTMENT
SIDE:
a. Remove lter retainer from
latch. (See Fig. 29.)
b. Gently remove air lter and
carefully turn the dirty side up
(if dirty) to avoid spilling dirt
from the lter. (See Fig. 30.)
AIR FILTER LOCATED IN FIL-
TER CABINET:
a. Slide air lter out of furnace. Keep
dirty side up (if dirty) to avoid
spilling dirt. (See Fig. 31 and 32.)
23
24
25
26
4. Inspect the lter. If torn, replace it.
NOTE: If washable lter that was
shipped with the furnace has been
replaced by:
a. Factory specied disposable
media lter Do not clean. If
dirty, replace only with media l-
ter having the same part number
and size. Install with airow