Carrier 58WAV Instruction Manual Page 2

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The ability to properly perform maintenance on this equip-
ment requires certain expertise, mechanical skills, tools, and
equipment. If you do not possess these, do not attempt to
perform any maintenance on this equipment other than those
procedures recommended in the User’s Manual. FAILURE
TO FOLLOW THIS WARNING COULD RESULT IN
POSSIBLE DAMAGE TO THIS EQUIPMENT, SERIOUS
PERSONAL INJURY, OR DEATH.
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURE
Electrostatic discharge can affect electronic components.
Take precautions during furnace installation and servicing to
protect the furnace electronic control. Precautions will pre-
vent electrostatic discharges from personnel and hand tools
which are held during the procedure. These precautions will
help to avoid exposing the control to electrostatic discharge
by putting the furnace, the control, and the person at the same
electrostatic potential.
1. Disconnect all power to the furnace. DO NOT TOUCH THE
CONTROL OR ANY WIRE CONNECTED TO THE CON-
TROL PRIOR TO DISCHARGING YOUR BODY’S ELEC-
TROSTATIC CHARGE TO GROUND.
2. Firmly touch a clean, unpainted, metal surface of the furnace
chassis which is close to the control. Tools held in a person’s
hand during grounding will be satisfactorily discharged.
3. After touching the chassis you may proceed to service the
control or connecting wires as long as you do nothing that
recharges your body with static electricity (for example; DO
NOT move or shuffle your feet, DO NOT touch ungrounded
objects, etc.).
4. If you touch ungrounded objects (recharge your body with
static electricity), firmly touch furnace again before touching
control or wires.
5. Use this procedure for installed and uninstalled (ungrounded)
furnaces.
6. Before removing a new control from its container, discharge
your body’s electrostatic charge to ground to protect the
control from damage. If the control is to be installed in a
furnace, follow items 1 through 5 before bringing the control
or yourself into contact with the furnace. Put all used AND
new controls into containers before touching ungrounded
objects.
7. An ESD service kit (available from commercial sources) may
also be used to prevent ESD damage.
CARE AND MAINTENANCE
For continuing high performance and to minimize possible equip-
ment failure, it is essential that periodic maintenance be performed
on this equipment. Consult your local dealer as to the proper
frequency of maintenance and the availability of a maintenance
contract.
Never store anything 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 com-
pounds, 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.
A failure to follow this warning could result in corrosion of
the heat exchanger, fire, personal injury, or death.
Turn off the gas and electrical supplies to the unit before
performing any maintenance or service. Follow the operating
instructions on label attached to furnace. A failure to follow
this warning could result in personal injury.
The minimum maintenance that should be performed on this
equipment 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 and lubricate as necessary.
3. Check electrical connections for tightness and controls for
proper operation each heating season. Service as necessary.
As with any mechanical equipment, personal injury can result
from sharp metal edges, etc., therefore, be careful when
removing parts.
AIR FILTER ARRANGEMENT
The air filter arrangement may vary depending on the application.
Refer to Table 1 or 2 for filter size information.
Table 1—Filter Size Information for
Downflow/Horizontal Furnaces (In.)
FURNACE
CASING WIDTH
FILTER QUANTITY
AND SIZE
FILTER
TYPE
14-3/16 (2) 14 X 20 X 1 Cleanable
17-1/2 (2) 14 X 20 X 1 Cleanable
21 (2) 16 X 20 X 1 Cleanable
24-1/2 (2) 16 X 20 X 1 Cleanable
Table 2—Filter Size Information for Upflow
Furnaces (In.)
FURNACE
CASING WIDTH
FILTER QUANTITY AND SIZE
FILTER
TYPE
Side Return Bottom Return
14-3/16 (1) 16 X 25 X 1* (1) 14 X 25 X 1 Cleanable
17-1/2 (1) 16 X 25 X 1* (1) 16 X 25 X 1 Cleanable
21 (1) 16 X 25 X 1 (1) 20 X 25 X 1* Cleanable
24-1/2 (2) 16 X 25 X 1* (1) 24 X 25 X 1 Cleanable
* Factory-provided with the furnace. Filters may be field modified as required
by cutting and folding the frame as indicated on the filter.
2
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