035-14520-001 Rev. B (0803)
2
Unitary Products Group
GENERAL INFORMATION
This Single Piece Air Handler provides the flexibility for instal-
lation in any upflow or horizontal application. These versatile
models may be used for cooling or heat pump operation with
or without electric heat. The direct-drive, 3-speed motors pro-
vide a selection of air volume to match any application.
BRAND LABEL (available from Distribution) apply to center
of the blower access panel.
The unit can be positioned for bottom return air in the upflow
position, and right or left return in the horizontal position.
Top and side power wiring and control wiring, accessible
screw terminals for control wiring, easy to install drain con-
nections and electric heaters all combine to make the installa-
tion easy, and minimize installation cost.
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 delivery receipt.
A separate request for inspection by the carrier's agent
should be made in writing. See Local Distributor for more
information.
Also check to be sure all accessories such as heater kits or
suspension kits are available. Installation of these accesso-
ries or field conversion of the unit should be accomplished
before setting the unit in place or connecting any wiring, elec-
tric heat, ducts or piping.
REFERENCE
Use this instruction in conjunction with the instructions for the
appropriate indoor unit, air moving system and accessories.
Installer should pay particular attention to the words NOTE,
CAUTION and WARNING.
NOTES
are intended to clarify or make the installation easier.
CAUTIONS
identify procedures which, if not followed care-
fully, could result in personal injury, property damage or
equipment damage.
WARNINGS
are given to alert the installer that severe per-
sonal injury, death or equipment damage may result if instal-
lation procedures are not followed properly.
LIMITATIONS
These units must be wired and installed in accordance with
all national and local safety codes.
Voltage limits are as follows:
Air Handler
Voltage
Normal Operating
Voltage
Code
Voltage Range
208/230-1-60
06
187-253
220/240-1-50
93
198-264
Entering Air Temperature Limits
Wet Bulb Temp.
°
F
Dry Bulb Temp.
°
F
MIN.
MAX.
MIN.
MAX.
57
72
65
95
FIGURE 1 :
Typical Application
UPFLOW
HORIZONTAL
RIGHT HAND APPLICATION
LEFT HAND APPLICATION
