NOTE:
Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage.
Consult a qualified installer, service agency, or your distributor or
branch for information or assistance. The qualified installer or
agency must use factory-authorized kits or accessories when
modifying this product. Refer to the individual instructions pack-
aged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves.
Read these instructions thoroughly and follow all warnings or
cautions attached to the unit. Consult local building codes and the
National Electrical Code (NEC) for special installation require-
ments.
Recognize safety information. This is the safety-alert symbol
.
When you see this symbol on the unit or in instructions and
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies hazards which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage.
WARNING:
Before installing or servicing system, al-
ways turn off main power to system. There may be more
than 1 disconnect switch. Turn off accessory heater
power if applicable. Electrical shock can cause personal
injury or death.
INTRODUCTION
The MA1A Air Conditioner and MH1A Heat Pump are UL Listed
per Standard UL 1995/UL 559 for use in manufactured homes.
These units are available in the cooling sizes shown in Table 1.
The MA1A and MH1A are single package units. All components
including outdoor coil, compressor, and refrigerant tubing are
located in 1 single package. The units are already piped, charged,
and wired.
Refer to Fig. 2 for basic unit dimensions.
INSTALLATION
These units were designed for installation in manufactured homes,
but can be installed in a variety of other applications. These
instructions detail the method of installation for use in manufac-
tured housing or other similar applications. Fig. 3 illustrates a
typical installation of this type. Study this drawing prior to starting
installation. It may be helpful to refer back to this drawing during
installation. Consult your distributor and the Application Guide-
line document for details regarding other installation applications.
I.
UNPACK UNIT AND INSPECT EQUIPMENT
Remove unit from carton and inspect for any shipping damage. Do
not install a damaged unit. Optional components used with unit
may include a thermostat, base and roof assembly kit, fresh air kit,
or return-air grille and air filter assembly.
Remove pallet by removing 4 bolts attaching pallet to base of unit.
CAUTION:
The condensate drain outlet protrudes from
base of unit. To avoid damage to floors and floor
coverings, unit must be transported on an appliance dolly.
Do not slide unit on floor. Transport unit on appliance
dolly from side or rear only. Transporting unit from front
will damage air intake grille and lower coil. When setting
unit onto base template, unit may be carefully tilted from
front by a hand truck.
Fig. 1—Model MA1A/MH1A
A95337
TABLE 1—UNIT SIZES AND AVAILABLE
ELECTRIC HEAT
UNIT SIZE
BTUH COOLING
AVAILABLE KW
018
18,000
0—5—10
024
22,000
0—5—10
030
28,000
0—5—10—15
036
34,600
0—5—10—15—20
installation and
start-up instructions
10 SEER
RESIDENTIAL SELF-CONTAINED
AIR CONDITIONER/HEAT PUMP UNITS
Cancels:
New
II MA1A-18-1
12-95
MA1A
MH1A
—1—
