MAINTENANCEAND SERVICE
This section discusses maintenance that should be per%maed by
your dealer and care you, as the owner, may wish to handle for
your new system.
ROUTINE MAINTENAN( E
All routine maintenance should be handled by skilled, experienced
personnel. Your dealer can help you establish a standard proce=
dure.
For your safe V, keep the unit area clear and tYee of conlhustible
materials, gasoline, and other flammable liquids and vapors.
To assure proper functioning of the unit, flow of condenser air
must not be obstrt*cted from reaching the unit. Clearance from the
top of the unit is 48 in. Clearance of at least 36 in. is required on
sides except the power ent W side 142 in. clearance) and the duct
side 112 in. minimum clearance).
MAINTENANCE AND (7ARE FOR THE EQUIPMENT
OVv_ER
Befbre proceeding with those things you *night want to maintain
yourself; please carefully consider the following:
1. TURN OFF ELECTRICAL POWER TO YOUR UNIT
BEFORE SERVICING OR PERFORMING MAINTE-
NANCE. ELECTRIC SHOCK COULD CAUSE SERI-
OUS INJURY OR DEATH.
2. When removing access panels or perfbmling maintenance
fhnctions inside your unit, be aware of sharp sheet metal
parts and screws. Although special care is taken to keep
sharp edges to a minimum, be extremely careffil when
handling parts or reaching into the unit.
Air Filters
The air filter(s) should be checked at least every 3 or 4 weeks and
changed or cleaned whenever it becomes dirty. Dirty filters
produce excessive stress on tile blower motor and can cause the
motor to overheat and shut down.
This unit must have air filters in place befbre it can be operated
These filters can be located in one of at least two places. In many
applications the installer will provide return air filter grilles
mounted on the wall or ceiling of the conditioned structure. In the
instance of filter grilles, the filters can simply be removed fiom the
grille and replaced.
The other typical application is an accessory filter rack installed
inside the unit itsel_ Tile _bllowing information is given to assist
in changing filters used in these internal filter racks.
Table 1 indicates the correct filter size for your unit. Refer to Fig.
2 to access filters installed in the accessory filter rack.
TaNe I--Indoor=Air FiRer Data
UNiT SIZE FILTER $1ZE
50XP024-030 20x20x1
50XP03G 20x24xl
50XP042-060 24x30x1
To replace or inspect filters in accessory filter rack (See Fig. 2):
1, Remove tile filter access panel using a 5/16-in nut driver,
2. Remove tile filter(s) by pulling it out of the unit. If the filter(s)
is dirt?-, clean or replace with a new one.
When installing tile new filter(s), note the direction of the airflow
arrows on the filter fi'ame.
Ft_ERACCESS
PANEL*
ACCESS PANEL
*For accessory filter rack.
C99094
Fig. 2--Accessory Filter Rack Access Panel
If you have difl'iculty locating your air filter(s) or have questions
concerning proper filter maintenance, contact your dealer ibr
instructions When replacing filters, always use the same size and
type of filter that was supplied, originally, by the installer.
Never operate your unit without die filter(s) in place Failure
to heed this warning may result in damage to the blower
motor and/or compressor An accunlnlation of dust and tint on
internal parts of your unit can cause loss of e_l_ciency and, in
some cases, a fire.
Fans and Fan Motor
Periodically, check the condition of fSn wheels and housings and
fan=motor shall bearings. Contact your dealer for the required
annual maintenance.
Indoor and Outdoor Coils
Cleaning of the coils should only be done by qualified service
personnel. Contact your dealer for the required annual mainte=
*lance.
Condensate Drain
The &ain pan and condensate drain line should be checked and
cleaned at the same time the cooling coils are checked by your
dealer.
Compressor
AIt comp*essors are factow-shipped with a normal charge of the
correct type refi'igeration grade oil, A compressor should rarely
require additional oil
Condenser Fan
, Q l !
Do not poke sticks, screw&ivers, or any other objects into
revolving fan blades Injury or equipment damage *nay result
The fire nlnst be kept flee of all obstructions to ensure proper
cooling Contact your dealer for any required service.
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