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6/21 Rev. E 171375
11
geneRal installatiOn instRuctiOns
LOCATING AND MOUNTING CONDENSING UNITS
Condensing units (CU’s) must be located where there is an unrestricted supply of clean, fresh air. Do not locate
units where air discharge from one will enter into the air intake of others nor where the air flow is toward a wall or
obstruction. Avoid locating units in restricted spaces where heat will build up and can enter the condenser. There
must be room around the unit for regular inspection and service. We recommend 200CFM in any area where
condensing units may be located. Air flow should be sufficient to maintain an ambient temperature of no more
than 90°F.
Walls or Obstructions
The units should be located so that air may circulate freely.
For proper air flow, all sides of the unit should be a minimum
of the width of the condensing unit away from any wall or
obstruction. It is preferred that this distance be increased
whenever possible.
Multiple units
For units placed side by side, the minimum distance between
units should be the width of the largest unit. If units are placed
end to end, the minimum distance between units should be
4 feet.
Roof mounted condensing units must have adequate support
for their operating weight. Corrosive atmospheres require
custom design condensers.
Condensing Unit
Walk-in Ceiling
Building Wall
Walk-in Ceiling
Condensing Unit Condensing Unit
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