Homeowner Information: Maintenance - Lennox HPXA16-024 Installation Instructions Manual

E2006 Lennox Industries Inc.
Dallas, Texas, USA
Homeowner Information − Maintenance
In order to ensure peak performance, your system must be
properly maintained. Clogged filters and blocked airflow
prevent your unit from operating at its most efficient level.
1. Ask your Lennox dealer to show you where your indoor
unit's filter is located. 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.
2. Disposable filters should be replaced with a filter of the
same type and size.
NOTE − 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
maintenance. The unit may have multiple power
supplies.
3. Many indoor units are equipped with reusable foam fil-
ters. 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.
NOTE − The filter and all access panels must be in
place any time the unit is in operation.
4. Some systems are equipped with an electronic air
cleaner, designed to remove the majority of airborne
particles from the air passing through the cleaner. If
your system is so equipped, ask your dealer for main-
tenance instructions.
5. Inspect and clean indoor coil. The indoor evaporator
coil is equipped with a drain pan to collect condensate
formed as your system removes humidity from the in-
side air. Have your dealer show you the location of the
drain line and how to check for obstructions. (This
would also apply to an auxiliary drain, if installed.)
before performing
Sprinklers and soaker hoses should not be installed
where they could cause prolonged exposure to the
outdoor unit by treated water. Prolonged exposure
of the unit to treated water (i.e., sprinkler systems,
soakers, waste water, etc) will corrode the surface of
steel and aluminum parts and diminish performance
and longevity of the unit.
Heat Pump Operation
Your new Lennox heat pump has several characteristics
that you should be aware of:
S
Heat pumps satisfy heating demand by delivering
large amounts of warm air into the living space. This
is quite different from gas- or oil-fired furnaces or an
electric furnace which deliver lower volumes of consid-
erably hotter air to heat the space.
S
Do not be alarmed if you notice frost on the outdoor coil
in the winter months. Frost develops on the outdoor
any
coil during the heating cycle when temperatures are
below 45°F (7°C). An electronic control activates a de-
frost cycle lasting 5 to 15 minutes at preset intervals
to clear the outdoor coil of the frost.
S
During the defrost cycle, you may notice steam rising
from the outdoor unit. This is a normal occurrence. The
thermostat may engage auxiliary heat during the de-
frost cycle to satisfy a heating demand; however, the
unit will return to normal operation at the conclusion of
the defrost cycle.
In case of extended power outage...
The heat pump is equipped with a compressor crankcase
heater which protects the compressor from refrigerant
slugging" during cold weather operation.
If power to your unit has been interrupted for several hours
or more, set the room thermostat selector to the Emer-
gency Heat" setting to obtain temporary heat without the
risk of serious damage to the heat pump.
In Emergency Heat mode, all heating demand is satisfied
by auxiliary heat; heat pump operation is locked out. After a
six-hour compressor crankcase warm-up" period, the
thermostat can be switched to the Heat" setting and nor-
mal heat pump operation may resume.
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IMPORTANT
HPXA16
HPXA16 SERIES