Fedders AC1A024A, AC1A036A, AC1A030A, AC1A042A, AC1A060A Installation, Operation And Maintenance Manual
Installation, Operation and Maintenance
Cased Evaporator Coils
Upflow/Downflow
TABLE OF CONTENTS
RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS ................2
NOTES TO INSTALLER ....................................................................2
INTRODUCTION ..............................................................................3
INSPECTION AND UNPACKING......................................................3
INSTALLATION
Codes..................................................................................2
Installation of Evaporator Coils........................................3
Connect Refrigerant Piping ..............................................3
Factory and Field Installed Expansion Valves..................3
Condensate Drain Plumbing ............................................4
Heater Exchange Clearance..............................................4
CHECK AND ADJUST AIRFLOW ....................................................5
Static Pressure Drop Chart................................................5
Adjusting Airflow..............................................................5
COIL NOMENCLATURE ..................................................................6
SPECIFICATIONS..............................................................................6
DIMENSIONS ..................................................................................6
WARRANTY ....................................................................................7
NOTE:
THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED
SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT
AND OPERATION OF THIS EQUIPMENT. READ THE ENTIRE
INSTRUCTION MANUAL THOROUGHLY BEFORE ATTEMPTING
INSTALLATION OR OPERATION.
1
1
RECOGNIZE SAFETY SYMBOLS, WORDS
AND LABELS
hat You Need To Know About Safety Instructions
W
Warning and Important Safety Instructions appearing in this
manual are not meant to cover all possible conditions and
situations that may occur. Common sense, caution and care
must be exercised when operating or cleaning tools and
equipment.
lways contact your dealer, distributor, service agent or
A
manufacturer about problems or conditions you do not
understand.
This is the safety alert symbol. It is used to alert you to
potential personal injury hazards. Obey all safety messages
that follow this symbol to avoid possible injury or death.
DANGER
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which,
if not avoided, could result in death or serious injury.
CAUTION
CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
CAUTION
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which, if not
avoided, may result in property damage.
WARNING
MPROPER INSTALLATION, ADJUSTMENT,
I
ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE
INJURY, PROPERTY DAMAGE OR LOSS OF LIFE. READ
THIS MANUAL COMPLETELY BEFORE BEGINNING ANY
WORK AND FOLLOW ALL SAFETY PRECAUTIONS.
A QUALIFIED INSTALLER MUST PERFORM
INSTALLATION AND SERVICE.
DO NOT DESTROY THIS MANUAL. PLEASE READ
CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE
REFERENCE BY A SERVICE TECHNICIAN.
THESE INSTRUCTIONS ARE INTENDED AS AN AID TO
QUALIFIED SERVICE PERSONNEL FOR PROPER
INSTALLATION, ADJUSTMENT AND OPERATION OF
THIS COMPONENT. READ THESE INSTRUCTIONS
THOROUGHLY BEFORE ATTEMPTING INSTALLATION
OR OPERATION. FAILURE TO FOLLOW THESE
INSTRUCTIONS MAY RESULT IN IMPROPER
INSTALLATION, ADJUSTMENT, SERVICE OR
MAINTENANCE, POSSIBLY RESULTING IN FIRE,
ELECTRICAL SHOCK, PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
BEFORE PERFORMING ANY WORK ON THIS
EQUIPMENT, POWER SUPPLY MUST BE TURNED OFF AT
THE HOUSEHOLD SERVICE BOX TO AVOID THE
POSSIBILITY OF SHOCK, INJURY, DAMAGE TO
EQUIPMENT, OR DEATH.
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS AND LIQUIDS, OR OTHER
COMBUSTIBLE MATERIALS IN THE VICINITY OF THIS
COIL OR ANY OF ITS MATCHING SYSTEM
COMPONENTS (CONDENSING UNIT, HEAT PUMP, OR
FURNACE).
NOTES TO INSTALLER
The words “SHALL” and “MUST” indicate a requirement
which is essential to satisfactory and safe product
performance. The words “SHOULD” and “MAY” indicate a
recommendation or advice which is not essential and not
required but which may be useful or helpful.
Installation and service personnel are required by some
locales to be licensed. Persons not qualified SHALL NOT install
this equipment nor interpret these instructions.
This installation and maintenance manual is provided to
ensure the proper installation and the most satisfactory
performance of the equipment. The instructions contained
herein SHALL NOT be deemed to extend, modify, alter or
expand any of the representations contained in the limited
warranty.
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INTRODUCTION
Return
R
eturn
Supply
Supply
Downflow
F
urnace
Evaporator
Coil
Evaporator
C
oil
Upflow
Furnace
8 o’cl
4 o’clock8 o’clock
his manual is intended as an aid to qualified HVAC installers
T
uring the installation of Fedders Cased Coils on upflow or
d
downflow furnaces. Do not install coil in horizontal position
(see illustration below).
INSPECTION AND UNPACKING
A thorough inspection of the shipping container should be
made immediately upon receiving your unit. Look for any
punctures or openings, and if it appears damage has
occurred, it should be noted on the freight bill before signing.
The delivering carrier should be contacted immediately to
inspect damage, and no installation work should begin until
this inspection is completed.
nstallation of Evaporator Coils
I
he cased coil is designed to fit Fedders furnaces the same
T
width.
1. Set coil on upflow furnace discharge air opening.
2. Ensure coil is level for proper condensate drainage.
o not tip coil toward condensate drain.
D
3. When installing wider coil on narrow furnace, use a
field supplied adapter.
4. When installing narrow coil on wide furnace, create
ield fabricated adapter. Consult your dealer for
f
lternate installation instructions.
a
NOTE: In downflow position installation with Fedders
furnace, break off perforated duct flange on coil/furnace.
Connect Refrigerant Piping
Use field supplied tubing of refrigerant grade. Suction tube
must be insulated. Do not use damaged, dirty, or
contaminated tubing because it may plug refrigerant flow
control device. ALWAYS evacuate the coil and field supplied
tubing before opening outdoor unit service valves.
Factory and Field-Installed Expansion Valves
1. The bulb and capillary tubing should be routed outside
of the case. Make sure the capillary tube will not
contact any sharp edges of the case. On factory
installed expansion valves, the adjustable sensing bulb
is not permanently installed onto the coils’ vapor line in
order to allow easy removal during installation.
Sensing bulb
attached with
clamps
INSTALLATION
Codes
The installer
codes and/or regulations pertaining to this type of
equipment and its installation. Such codes and/or regulations
should take precedence over any recommendations
contained herein. Installations SHALL be made in accordance
with the National Electrical Code, local codes and
recommendations made by the National Board of Fire
Underwriters. Consult local building codes and National
Electrical Code (NEC) for special requirements.
EXTERIOR SURFACE COIL HOUSING MAY SWEAT WHEN
UNIT IS INST
AS AN ATTIC OR GARAGE. THE INSTALLER MUST
INSULATE THE CABINET WITH 1” FIBERGLASS
INSULA
SHALL comply with all local, state, and federal
CAUTION
ALLED IN NON-CONDITIONED SPACE SUCH
TION.
Vapor line
Attach bulb to
vapor line at four
or eight o’clock
position
CAUTION
THE TXV SENSING BULB CAN BE DAMAGED BY
EXTREME HEAT FROM BRAZING. THE BULB SHOULD
BE REMOVED BEFORE PERFORMING ANY BRAZING
PROCEDURE AND NOT INSTALLED UNTIL AFTER THE
VAPOR AND LIQUID LINES ARE BRAZED AND LEAK
CHECKED.
CAUTION
THE TXV VALVE CAN BE DAMAGED BY EXTREME
HEAT. PROPER PRECAUTIONS SHOULD BE TAKEN TO
AVOID OVERHEATING THE TXV VALVE AND CAUSING
DAMAGE TO THE INTERNAL COMPONENTS.
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