1
SERIES NOMENCLATURE
A F P B 24 A 1 * A
Product Type
A = Air handler
Nominal BTUH
18 = 18,000 BTU/H (5.28 kW)
24 = 24,000 BTU/H (7.03 kW)
30 = 30,000 BTU/H (8.79 kW)
36 = 36,000 BTU/H (10.55 kW)
42 = 42,000 BTU/H (12.31 kW)
48 = 48,000 BTU/H (14.07 kW)
60 = 60,000 BTU/H (17.58 kW)
Brand
Electrical Designation
1 = 208 / 230 Volts, 1Phase, 60 Hz
2 = 230 Volts, 1 Phase, 50 Hz
3 = 208 / 230 Volts, 3 Phase, 60 Hz
4 = 460 Volts, 3 Phase, 60 Hz
5 = 230 Volts, 3 Phase, 50 Hz
6 = 380 Volts, 3 Phase, 50 Hz
Design Series
Revision Letter
Motor
E = ECM
P = PSC
Chassis Size
B = 43 3/8” H x 18” W x 22” D
C = 48 1/8” H x 22” W x 26” D
RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS
What You Need To Know About Safety Instructions
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.
Always contact your dealer, distributor, service agent or
manufacturer about problems or conditions you do not
understand.
DANGER
indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
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.
WARNING
indicates a potentially hazardous situation which,
if not avoided, could result in death or serious injury.
CAUTION
indicates a potentially hazardous situation which, if
not avoided, may result in minor or moderate injury.
CAUTION
used without the safety alert symbol indicates
a potentially hazardous situation which, if not avoided,
may result in property damage.
DANGER
WARNING
CAUTION
CAUTION
WARNING
IMPROPER INSTALLATION, ADJUSTMENT,
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.
B E F O R E P E R F O R M I N G A N Y W O R K O N T H I S
EQUIPMENT, POWER SUPPLY MUST BE TURNED OFF AT
T H E H O U S E H O L D S E R V I C E B O X T O A V O I D T H E
P O S S I B I L I T Y O F S H O C K , I N J U R Y , D A M A G E T O
EQUIPMENT, OR DEATH.
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS AND LIQUIDS, OR OTHER
COMBUSTIBLE MATERIALS IN THE VICINITY OF THIS
AIR HANDLER OR ANY OF ITS MATCHING SYSTEM
COMPONENTS (CONDENSING UNIT, HEAT PUMP OR
FURNACE).
