York SINGLE PACKAGE AIR CONDITIONER Guide

530.46-O2Y (796)
035-14736
USER’S
INFORMATION
MANUA
L
SINGLE PACKAGE AIR CONDITIONER
ELECTRIC/ELECTRIC
®

THERMOSTATS - Your
Key to Comfort
Though thermostats may vary
widely in appearance, all are de-
signed to perform the same basic
function - to control the operation of
your air conditioning system.
Regardless of size or shape, each
thermostat will feature a tempera-
ture indicator; a dial, arm or push
button for selection of the desired
temperature; a fan switch to choose
theindoorfanoperation; andacom-
fort switch for you to select the sys-
tem mode of operation.
The following illustrations and dis-
cussion will aid you to determine
which type of thermostat you have
for your system. Follow the applica-
ble instructions in this manual to ob-
tain the maximum comfort with a
minimum of energy consumption.
COOLING ONLY
If your air conditioning system is
designed to provide only cooling,
with no capability for heating opera-
tion, a cooling only thermostat, with
a manual, two-position “Cool” and
“Off” comfort switch is all that is re-
quired for system operation.
Cooling and Heating
If your system has been designed
to allow both cooling and heating
operation, you may have either of
two types of thermostat. A manual
change-over type, or a computer-
ized electronic thermostats.
Manual Changeover
Manualchangeoversimplymeans
that the comfort switch must be
manually positioned every time you
wish to switch from the cooling to
heatingor heatingtocoolingmodels
of operation.
Computerized Electronic
Thermostat
The computerized electronic
thermostat is actually a sophisti-
catedelectronicversion ofa manual
change-over type. This thermostat
includes features which allow “set-
back” temperature variations for pe-
riodsof sleep, or while youareaway
during the day, and means energy
saving for you.
The thermostat also features a
digital clock. If you have selected
this type of thermostat, a complete
operating instruction is provided by
the manufacturer with the thermo-
stat.
Fan Operation Selection
A two-position fan switch allows
you to choose the type of operation
of the indoor fan.
AUTO
With the thermostat fan switch set
to “AUTO”, the fan will run intermit-
tently as required for either heating
or cooling. This position will provide
thelowestoperatingcost,andbetter
humidity control on cooling opera-
tion.
ON
CONTINUOUS FAN OPERATION:
With the thermostat fan switch set
to “ON”, the indoor fan will not shut-
off. However, the cooling and heat-
ing systems will still operate as
required by room temperatures.
Thisprovides continuousairfiltering
and more even temperature distri-
bution to all conditioned spaces.
The sound level within the building
will also remain relatively constant.
FAN ONLY OPERATION:
On moderate days, usually during
springand fall,when neitherheating
nor cooling is required, you may
want to run only the fan to ventilate,
circulate and filter the air in your
home or building.
Set the comfort control switch to
“OFF” and the fan switch to “ON”.
Be sure to return the switches to
theiroriginalpositionsfornormalop-
eration.
START-UP
The comfort control switch is as-
sumed to be in the “OFF” position.
If the main power supply to the unit
is off, turn the appropriate discon-
nects switch to the “ON” position.
Ifa warning labelis attachedto the
disconnect switch, as shown below,
and if the power supply has been off
for 8 hours or longer, the disconnect
switch must be turned on 8 hours
before the thermostat is set to oper-
ate the compressor.
Please the system into operation
as follows:
1. Set temperature adjustment to
the desired temperature.
COOLING - The higher the set-
ting, the lower the amount of
energy consumed. The Na-
tional Bureau of Standard rec-
ommends a setting of 78°F.
HEATING - The lower the set-
ting, the lower the amount of
energy consumed. Federal
guidelinesrecommendasetting
of 65°F or lower.
CongratulationsCongratulations . . .
On your purchase of our Single Package Air Conditioning Unit. This energy efficient unit has been precision designed,
manufactured of high quality materials and has passed many rigorous inspections and tests to ensure years of satisfactory
service.
Thismanualismeanttoincreaseyourunderstandingofyoursystem,tellsyouhowtooperateitefficientlyandhowtoobtain
the greatestmeasure of comfort at the lowest operating expense. Please read this manual thoroughly.
We appreciate your interest in our products andyour decision to purchase our Single Package Unit. Enjoy your comfort.
IMPORTANT
IF POWER HAS BEEN OFF FOR 8 HOURS OR
LONGER, DISCONNECT SWITCH MUST BE
TURNED ON 8 HOURS BEFORE THERMOSTAT IS
SET TO “HEAT”, “COOL” OR “AUTO”.
035-03095A
NOTE: If your cooling and heat-
ing temperature adjustments
are separate, be sure to set
both.
2Unitary Products Group

2. After considering “Fan Opera-
tionSelection” onpage2, select
and set the fan operation mode
you desire.
3. Move the comfort control switch
to the desired mode of opera-
tion found on your particular
thermostat.
SYSTEM OPERATION
Manual Changeover Thermostat
COOLING YOUR HOME-With the
comfortcontrolswitchinthe“COOL”
position, the system will operate as
follows:
When the indoor temperature
rises above the level indicated by
the temperature adjustment set-
ting, the system will start. The
outdoor unit will operate and the
indoor fan will circulate the
cooled, filtered air. When the
room temperature is lowered to
the setting selected, the system
will shut off.
HEATING YOUR HOME-If your
system includes a heating unit and
the comfort control switch is in the
“HEAT” position, the system will op-
erate as follows:
When the indoor temperature
dropsbelowthelevelindicatedby
the temperature adjustment set-
ting, the system will start. The
heating system will operate and
the indoor fan will circulate the
heated, filtered air. When the
roomtemperaturerisestotheset-
ting selected, the system will shut
off.
Whether heating or cooling, the
fan will continue to operate if the fan
switch was set in the “ON” position.
The “AUTO” setting on the fan
switch will allow the fan to shut off
when your system does.
Electronic Thermostat
The computerized electronic
thermostat, when programmed, will
functionautomaticallytooperatethe
system as follows:
When the indoor temperature
rises above the higher (COOL) set-
ting, the unit will operate and the
indoor fan will circulate the cooled,
filtered air. When the temperature is
lowered to the selected level, the
system will shut off. The indoor fan
will either shut off or run continu-
ously, depending upon your choice
of fan switch setting.
When the indoor temperature
drops below the lower (HEAT) set-
ting,theheatingsystemwilloperate,
and the indoor fan will circulate the
heated,filteredair. Whentheindoor
temperature rises to the selected
setting, the system will shut off.
PROPER CARE OF
YOUR SYSTEM
LUBRICATION
Both the indoor blower motor and
outdoor fan motor are permanently
lubricated and requires no mainte-
nance.
FILTER CARE
Single phase units are shipped
without a filter and is the responsi-
bility of the installer to secure a filter
in the return air ductwork or install a
filter/frame kit (1FF0114). A filter
rack and filters are standard on
three phase units.
Filters must always be used and
must be kept clean. When filters
become dirt laden, insufficient air
will be delivered by the blower, de-
creasing your units efficiency and
increasing operating costs and
wear-and-tear on the unit and con-
trols.
Filters should be checked monthly
especially since the unit may be
used for both heating and cooling.
High velocity permanent filters
may be removed for cleaning. Re-
move filters, vacuum or wash with a
stream of water directly from a fau-
cet or hose. Allow filters to dry and
replace.
High velocity permanent filters
should last for many years. How-
ever, if they ever need replacing,
theymustbereplacedwiththesame
size and type.
REGISTERS
Supply and return air registers
must be open when the unit is in
operation. Furniture must not block
airflow in or out of the registers.
COIL CARE
An annual check and cleaning, if
necessary, of the condenser coil
should be done. Clean any debris
and dirt from the outside coil face
with a brush being careful not to
damage the fins. If extremely dirty,
a hose can be used to wash the coil
from the inside out while brushing a
soapy solution on the outside.
NOTE: The thermostat has a
built-in off-cycle timer to prevent
the unit from operating until the
system pressures have equal-
ized.
CAUTION: Prior to any of the
following maintenance proce-
dures, shut off all power to the
unit.
Unitary Products Group 3

TROUBLESHOOTING
BEFORE CALLING A SERVICE-
MAN:
A. Check thermostat setting and
insure thermostat is calling for
heat or cooling.
B. Check thermostat for lint, dust,
etc.
C. Check fuses or circuit breakers.
D. Check filters for excessive dust
accumulation and/or restriction.
PARTS INFORMATION
UPG renewal parts may be ob-
tainedfromyourlocal qualifiedUPG
contractor-check the yellow pages
in your telephone directory.
SOME EFFICIENCY
DO’S AND DON’TS
DON’T heat or cool unused areas.
Reduce supply and return air flow to
a minimum in areas which are not
living spaces (storage rooms, ga-
raged, 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 your system work harder
to achieve a comfortable tempera-
ture level. This requires more en-
ergy, 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 accordingly. Your furni-
ture is far less demanding than you
are when it comes to comfort levels.
However,don’texpectthesystemto
restore comfort conditions immedi-
ately upon returning home. It will
take a little time.
DON’T locate lamps or other heat-
producing appliances (radios, TV’s,
heaters, etc.) near your thermostat.
The heat from these items will give
your thermostat “false information”
about the temperature in the room.
DO select a comfortable thermo-
stat setting, but keep in mind that
moderationintemperatureselection
will save energy.
DO turn on your kitchen exhaust
fan when cooking and your bath-
room exhaust 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 conditioning sys-
tem to run longer.
DO set your thermostat a few de-
grees lower than normal several
hours before entertaining a large
group of people in a relatively small
area. People give off a consider-
able amount of heat and moisture in
a closed area.
DO keep drapes and Venetian
blindsclosed whenpractical. These
items provide insulation against
heat loss/gain.
DO contact a qualified service
man to make repairs or adjustments
to your system. He has been
trained to perform this service.
Unitary Products Group
P.O. Box 1592, York, Pennsylvania USA17405-1592
Subject to change without notice. Printed in U.S.A.
Copyright  by York International Corporation 1996. All Rights Reserved.
530.46-O2Y