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6 Part # 25000102
Unit Access
Always provide sucient clearance for unit maintenance and
service. Minimum clearances for most situations are described
below (except 60 Inches of free space is required in front of the
control panel). Please note that these are minimums and more
clearance may be required by local codes.
Vertical Clearance
Overhead obstructions are not permitted. Vertical air discharge
from the condenser must have no obstructions that can cause
the discharge air to be recirculated back to the inlet side of
the unit.
Lateral Clearance (Walls or Obstructions)
The unit should be located so that air may circulate freely and
not be recirculated. For proper air ow and access, all sides of
the unit (except control panel end ) should be a minimum of
four feet (1.2 m) away from any wall or obstruction. It is preferred
that this distance be increased whenever possible. Care should
be taken to see that ample room is left for maintenance work
through access doors and panels. When the unit is in an area
where it is enclosed by three walls the unit must be installed
under the guidelines for unit installations in pits.
Decorative Fences
Fences may be installed closer than the four foot (1.2 m) lateral
minimum (except on the control panel end) requirement
whenever fences permit sucient free area to allow adequate
air ow to the unit. Once again, care should be taken to leave
ample room for unit service. Recommended service clearances
are listed above.
Units in Pits
The top of the unit should be level with the top of the pit. If the
top of the unit is not level with the top of the pit, a wider pit or
discharge stacks must be used to raise discharge air to the top
of the pit. This is a minimum requirement.
Multiple Units (Unit-to-Unit Clearance)
For units placed side by side, the minimum distance between
units is eight feet (2.4 m) to prevent air recirculation.
Installation and Operations Manual