035-14511-001 Rev. A (0602)
2 Unitary Products Group
GENERAL INFORMATION
This instruction covers the installation of the following Stealth
air conditioning units.
The outdoor condensing units are designed to be installed
with corresponding variable speed air handlers or furnaces,
two stage furnaces and single speed air handlers or furnaces
and a corresponding coil with sweat connect lines. Each unit
is factory charged with refrigerant sufficient for the smallest
indoor evaporator coil plus 15 feet of field supplied vapor and
liquid lines. A balanced port hard shut-off TXV kit must be
used for optimum system performance.
SAFETY
Use this instruction in conjunction with the instruction for the
appropriate indoor evaporator coil, variable speed air handler
or furnace and other accessories. Read all instructions before
installing the unit.
Installer should pay particular attention to the words: NOTE,
CAUTION and WARNING.
NOTES are intended to clarify or make the installation easier.
CAUTIONS are given to prevent equipment damage.
WARNINGS are given to alert the installer that personal
injury and/or equipment damage may result if installation pro-
cedures are not handled properly.
INSPECTION
As soon as a unit is received, it should be inspected for possi-
ble damage during transit. If damage is evident, the extent of
the damage should be noted on the carrier's freight bill. A
separate request for inspection by the carrier's agent should
be made in writing. See Local Distributor for more informa-
tion.
LIMITATIONS
The unit should be installed in accordance with all national
and local safety codes and the limitations listed below:
1. Limitations for the indoor unit, coil and appropriate
accessories must also be observed.
2. Optimal performance is gained by using a variable speed
air handler or furnace. Special care must be given when
matched with a single speed blower (furnace or air han-
dler) and a relay kit to maintain the proper dehumidifica-
tion. See section on dehumidification for details.
3. The outdoor unit must not be installed with any duct work
in the air stream. The outdoor fan is the propeller type
and is not designed to operate against any additional
external static pressure.
4. The unit should not be operated in cooling mode at out-
door temperatures below 60°F. The unit is not
designed to operate with a low ambient kit. Do not
modify the control system to operate with any type of low
ambient kit.
5. Indoor evaporator coil orifice mu
st be removed prior to
the installation
of a factory supplied balanced port TXV
kit.
This product must be installed in strict compliance
with the enclosed installation instructions and any
applicable local, state, and national codes including,
but not limited to, building, electrical, and mechanical
codes.
Incorrect installation may create a condition where
the operation of the product could cause personal
injury or property damage.
FIGURE 1 : Typical Residential Outdoor Unit Location
THERMOSTAT
TO
INDOOR
BLOWER
TO COIL
NEC
CLASS 2
WIRING
NEC
CLASS 1
WIRING
TO
POWER
SUPPLY
WEATHERPROOF
DISCONNECT
SWITCH
Seal opening(s) with permagum
or equivalent
24” SERVICE ACCESS
CLEARANCE
48” OVERHEAD
CLEARANCE
12” REAR AND
SIDES
NOTE: All outdoor wiring must be weatherproof
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