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035-17414-000 REV A (1200)

550.38-O1Y

Heating and Air Conditioning

Unitary Products Group
5005 York Drive, Norman, Oklahoma 73069
Subject to change without notice. Printed in U.S.A.         Supersedes: Nothing

035-17414-000 REV A (1200)

CARE OF FAN MOTORS

Some fan motors are provided with
lubrication ports. Inspect your indoor
and outdoor units to determine whether
or not lubrication ports are provided.
The fan motor is shipped with an oil sup-
ply which will last for several years
under normal operating conditions.
After this time, each motor bearing
should be oiled with 10 - 15 drops
(approximately 1/4 teaspoon) of SAE 20
non-detergent electric motor oil or auto-
mobile oil. DO NOT use definite pur-
pose oils such as sewing machine,
cleaning, rust preventative, cutting,
household, etc.

SERVICE CALLS

There are a few instances where the
user can avoid unnecessary service
calls. If unit stops functioning properly
check the following items before calling
your YORK servicing dealer:

1. Indoor section for dirty filter.

2. Outdoor section for leaf or debris
blockage. Eliminate problem, turn off
the thermostat for 10 seconds and
attempt start. Wait 5 minutes. If system
does not start, call your YORK servicing
dealer.

FILTER CARE

Inspect the air filter(s) at least once a
month. If they are dirty, wash reusable
filters with a mild detergent per manu-
facturer’s recommendations. Replace
disposable filters with new filters. Install
the clean filters with “air flow” arrow in
the same direction as the air flow in your
duct. Filters should be clean to assure
maximum efficiency and ade-quate air
circulation.

CLEARANCES

The minimum clearances shown below
must be maintained should any patio or
yard improvements be done around the
outdoor unit.

            * Service Access Panel

PARTS INFORMATION

Replacement parts are available from
local YORK contractor/dealer or the
nearest YORK distribution center.

COMFORT ASSURANCE

Special warranty packages (called
Comfort Assurance) are available thru
your contractor. These packages
reduce the potential cost of service calls
following the first year of operation on
your cooling (or heating/cooling) sys-
tem.

SOME EFFICIENCY 

DO’S & DON’TS

DON’T heat or cool unused household
area. Reduce supply and return air flow
to a minimum in areas which are not liv-
ing spaces (storage rooms, garages,
basements, etc).

DON’T be a “thermostat jiggler”. Moving
your thermostat setting will not make
your system heat or cool any faster.
Adjust your thermostat to a comfortable
setting and leave it there.

DON’T restrict air circulation. Placing
furniture, rugs, etc. in such a way that
they interfere with air vents will make
you system work harder to achieve a
comfortable temperature level. This

requires more energy, which means
greater cost to you.

DON’T heat or cool when you are away.
If you are going to be away for a day or
more, re-adjust your thermostat accord-
ingly. Your furniture is far less demand-
ing than you are when it comes to
comfort levels. However, don’t expect
the system to restore comfort conditions
immediately upon returning home. It will
take a little time.

DON’T locate lamps or other heat-pro-
ducing appliances (radios, TV’s, heat-
ers, etc.) near your thermostat. The
heat from these items will give your
thermostat “false information” about the
tem-perature in the room.

DO select a comfortable thermostat set-
ting, but keep in mind that moderation in
temperature selection will save energy.

DO turn on your kitchen exhaust fan
when cooking and your bathroom ex-
haust fan when showering. Also, make
sure your clothes dryer is properly
vented. If these items are neglected, an
excess heat and humidity condition may
be created, causing your air condition-
ing system to run longer.

DO set your thermostat a few degrees
lower than normal several hours before
entertaining a large group of people in a
relatively small area. People give off a
considerable amount of heat and mois-
ture in a closed area.

DO keep drapes and venetian blinds
closed when practical. These items pro-
vide insulation against heat loss/gain.

DO contact a qualified service person to
make repairs or adjustments to your
system. He has been trained to perform
this service.

Your system contains environmen-
tally friendly refrigerant R410A, 
which operates at very high pres-
sures. You may be in danger if you 
try to make an attempt to repair 
your unit. Please contact  your local 
York dealer.

TOP 48"

SIDES 12"

REAR 12"

FRONT * 24"

Summary of Contents for 12 SEER H*AH024 - 60

Page 1: ...AILURE 3 SYSTEM OPERATION 3 MANUAL CHANGE OVER THERMOSTAT 3 ELECTRONIC THERMOSTAT 3 CARE OF SYSTEM 3 COIL CARE 4 CARE OF FAN MOTORS 4 SERVICE CALLS 4 FILTER CARE 4 CLEARANCES 4 PARTS INFORMATION 4 COMFORT ASSURANCE 4 EFFICIENCY DO S DON TS 4 STELLAR AIR CONDITIONING UNIT SPLIT SYSTEM COOLING WITH ENVIRONMENTALLY FRIENDLY R 410A MODELS 12 SEER H AH024 60 ...

Page 2: ... allow both cooling and heating opera tion you may have either a manual change over type or a programmable electronic type thermostat MANUAL CHANGE OVER Manual change over simply means that the comfort switch must be manually positioned every time you wish to switch from the cooling to heating or heating to cooling modes of operation PROGRAMMABLE ELECTRONIC THERMOSTATS The computerized electronic ...

Page 3: ...d the system will shut off HEAT ING YOUR HOME If your system includes a heating unit and the comfort control switch is in the HEAT position the system will operate as follows When the indoor temperature drops below the level indicated by the temper ature adjustment setting the system will start The heating system will operate and the indoor fan will circulate the fil tered air When the room temper...

Page 4: ...eating cooling sys tem SOME EFFICIENCY DO S DON TS DON T heat or cool unused household area Reduce supply and return air flow to a minimum in areas which are not liv ing spaces storage rooms garages basements etc DON T be a thermostat jiggler Moving your thermostat setting will not make your system heat or cool any faster Adjust your thermostat to a comfortable setting and leave it there DON T res...

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