Lenoxx Electronics Air Conditioner HSXA19 User Manual

HSXA19  
H O M E O W N E R ’ S M A N U A L  
 
HSXA19  
W I T H R 4 1 0 A  
R E F R I G E R A N T  
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  
thoroughly and let it dry completely, before it is  
returned to the unit or grille.  
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. When you call your Lennox dealer,  
you can count on prompt, courteous and pro-  
fessional service.  
The filter and all access panels must be in  
place any time the unit is in operation.  
Your system may be equipped with one or  
more of Lennox’ indoor air quality products,  
which further ensure your total comfort. If so,  
ask your dealer to instruct you on the mainte-  
nance of these products.  
Before the start of each heating and cooling  
season, 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.  
Your indoor evaporator coil is equipped with a  
drain pan to collect condensate formed as your  
system removes humidity from the inside air.  
Have your dealer show you where the main  
condensate drain (and auxiliary drain, if appli-  
cable) runs and how to check the drain for any  
obstruction.  
D The 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.)  
It is also  
very  
important to  
provide  
D The refrigerant lines should be visually  
inspected and the coils should be checked for  
leaks.  
unrestricted  
airflow to  
the outdoor  
unit.  
D Wiring should be checked for loose  
Leaves,  
connections.  
trash or  
D Voltage must be checked at the indoor and  
shrubs  
outdoor units (units operating).  
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.  
D The amp-draw at the outdoor fan motor and  
indoor blower motor should be checked.  
Values should be compared with those  
given on unit nameplate.  
D Indoor unit filters should be cleaned or  
replaced.  
D The refrigerant charge should be checked  
and system pressures should be gauged.  
D The condensate drain line should be  
checked for free and unobstructed flow and  
it should be cleaned, if necessary.  
 
THERMOSTAT OPERATION −− COMFORT IS AT YOUR FINGERTIPS  
Though your thermostat may vary somewhat from  
the description below, its operation will be similar.  
System Switch  
Set the system switch for heating, cooling or auto  
operation. The auto mode allows the system to  
automatically switch from heating mode to cooling  
mode to maintain predetermined comfort settings.  
Temperature Setting Levers  
Set the lever or dial to the desired temperature  
setpoints for both heating and cooling. Avoid fre-  
quent temperature adjustment; turning the unit off  
and back on before pressures equalize puts  
stress on the unit compressor.  
Temperature Indicator  
The temperature indicator displays the actual  
room temperature.  
Fan Switch  
Programmable Thermostats  
In AUTO or INT (intermittent) mode, the blower  
operates only when the thermostat calls for heat-  
ing or cooling. 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 filtering is desired.  
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.  
Please record the following information for  
your convenience.  
Before you call  
If your system fails to operate, check the  
following before calling for service:  
Dealer Name:  
Address:  
D Check to see that all electrical disconnect  
switches are ON.  
D Make sure the room thermostat temperature  
selector is properly set.  
Phone Number:  
D Make sure the room thermostat system  
switch is properly set.  
D Reset circuit breakers.  
Unit Model Number: HSXA19 −  
Installation Date:  
D Make sure unit access panels are in place.  
D Make sure air filter is clean.  
D Locate unit model number before calling.  
*P504960M*  
504,960M  
E2004 Lennox Industries Inc., Dallas, TX  
Litho U.S.A.  
 
06/2004  

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