Lennox HSXA12 Planning guide

HSxa12

Lennox’ Elite® SERIES

Home Comfort Systems

homeowner’s manual

HSXA12 Air Conditioner

Congratulations! You have made a wise choice with the purchase of your

Lennox HSXA12 air conditioner with R410A refrigerant. Lennox prides

itself in manufacturing high quality products that keep you comfortable and

keep your monthly energy bills low, year after year.

Warranties

Your unit is covered by one of the best warranties in the industry. The

compressor in your new HSXA12 air conditioner is designed for use with

R410A refrigerant and is backed by a 10–year limited

warranty. All remaining components are covered by a

5–year limited parts warranty. That’s one more reason to

trust Lennox.

Your ElitetSeries air conditioner includes a sheet which outlines the

warranty and its conditions. Keep your warranty along with other important

records concerning the purchase and maintenance of your

heating and cooling equipment.

You should be aware that failure to maintain your system

as outlined in this manual will void your equipment warranty.

Maintenance

In order to ensure peak performance, your system must be properly main-

tained. Clogged filters and blocked airflow prevent your unit from operating

at its most efficient level.

Ask your Lennox dealer to show you where your indoor unit’s filter is lo-

cated. It will be either at the indoor unit (installed internal or external to the

cabinet) or behind a return air grille in the wall or ceiling. Check the filter

monthly and clean or replace it as needed.

Disposable filters should be replaced with a filter of the same type and size.

If you are unsure about the filter you need for your system, call your Lennox

dealer for assistance.

Important!

Turn off electrical power to the unit at the disconnect switch before

performing any maintenance. The unit may have multiple power

supplies.

Protect Your Investment . . .

Proper Maintenance is Your Responsibility

Lennox'

HSXA12 air

conditioner

with R410A

combines

environmental

responsibility

& home com ort.

You can count

on Lennox

to make your

home more

com ortable,

more livable...

A Better Placet.

COMPRESSOR

10-YEAR

LIMITED

WARRANTY

PARTS

5-YEAR

LIMITED

WARRANTY

Many indoor units are equipped with re-usable

foam filters. These filters can be cleaned with a

mild soap and water solution. Rinse the filter thor-

oughly and let it dry completely, before it is

returned to the unit or grille.

The filter and all access panels must be in place

any time the unit is in operation.

Your system may be equipped with an electronic air

cleaner which will provide respiratory relief by re-

moving up to 90 percent of all airborne particles

which pass through it. If it is, ask your dealer to

instruct you on its maintenance.

Your indoor evaporator coil is equipped with a

drain pan to collect condensate formed as your sys-

tem removes humidity from the inside air. Have

your dealer show you where the main condensate

drain (and auxiliary drain, if applicable) runs and

how to check the drain for any obstruction.

It is also very

important to

provide

unrestricted

airflow to the

outdoor unit.

Leaves, trash

or shrubs

crowding the

unit cause the

outdoor unit

to work harder and use more energy. Keep

shrubbery trimmed away from the unit and

periodically check for debris which may have

collected around the unit.

Lennox Dealers

Nobody knows more about the care and operation

of your new Lennox equipment than your Lennox

dealer. Your Lennox dealer is your best choice for

routine maintenance or service. Lennox’ Quality

Dealer Standards program ensures that when you

call your Lennox dealer, you can count on prompt,

courteous and professional service.

Before the start of each heating and cooling sea-

son, the following service checks should be

performed by a qualified service technician.

As always, electrical power to the unit must be

turned off prior to any unit maintenance.

DThe outdoor and indoor coils should be inspected

and cleaned. The outdoor coil may be flushed

with a water hose.

NOTE – It may be necessary to flush the outdoor

coil more frequently if it is exposed to substances

which are corrosive or which block airflow

across the coil (e.g., pet urine, cottonwood seeds,

etc.)

DThe refrigerant lines should be visually inspected

and the coils should be checked for leaks.

DWiring should be checked for loose connections.

DVoltage must be checked at the indoor and

outdoor units (units operating).

DThe amp-draw at the outdoor fan motor and

indoor blower motor should be checked. Values

should be compared with those given on unit

nameplate.

DIndoor unit filters should be cleaned or

replaced.

DThe refrigerant charge should be checked and

system pressures should be gauged.

DThe condensate drain line should be checked for

free and unobstructed flow and it should be

cleaned, if necessary.

HSXA12

W I T H R 4 1 0 A

R E F R I G E R A N T

Please record the following information for your

convenience.

Dealer Name:

Address:

Phone Number:

Unit Model Number: HSXA12 –

Installation Date:

Before you call

If your system fails to operate, check the following

before calling for service:

DCheck to see that all electrical disconnect

switches are ON.

DMake sure the room thermostat temperature

selector is properly set.

DMake sure the room thermostat system switch is

properly set.

DReplace any blown fuses, or reset circuit

breakers.

DMake sure unit access panels are in place.

DMake sure air filter is clean.

DLocate unit model number and have it handy

before calling.

504,541M 02/20022002 Lennox Industries Inc., Dallas, TX Litho U.S. .

*P504541M*

THERM STAT PERATI N -- C MF RT IS AT Y UR FINGERTIPS

System Switch

Set the system switch for heating, cooling or auto op-

eration. The auto mode allows the system to automati-

cally switch from heating mode to cooling mode to

maintain predetermined comfort settings.

Temperature Indicator

The temperature indicator displays the actual room

temperature.

Programmable Thermostats

Your Lennox system may be controlled by a

programmable thermostat. These thermostats provide

the added feature of programmable time-of-day

setpoints for both heating and cooling. Refer to the

user’s information manual provided with your

particular thermostat for operation details.

Though your thermostat may vary somewhat from the

description below, its operation will be similar.

Temperature Setting Levers

Set the lever or dial to the desired temperature setpoints

for both heating and cooling. Avoid frequent tempera-

ture adjustment; turning the unit off and back on before

pressures equalize puts stress on the unit compressor.

Fan Switch

In AUTO or INT (intermittent) mode, the blower oper-

ates only when the thermostat calls for heating or cool-

ing. This mode is generally preferred when humidity

control is a priority. The ON or CONT mode provides

continuous indoor blower operation, regardless of

whether the compressor or furnace is operating. This

mode is required when constant air circulation or filter-

ing is desired.

Visit us at www.lennox.com, or contact us at 1-800-9-LENNOX.

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