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ON-SITE PREREQUISITE
For optimal operation of the equipment, a correct connection to
the hydraulic network and the minimum water flow per minute
specified in the technical information sheet of the equipment is
required. As well as a correct connection to the electrical power
according to the electrical values of the technical information
sheet of the system.
OPERATING SPACE REQUIREMENTS
AIR operating equipment is designed to be installed OUTDOOR.
It is necessary for the equipment to have adequate ventilation, as
well as a free air inlet to allow proper air circulation, and to provide
access and space for equipment maintenance.
Sufficient distance must be maintained between the unit and
adjacent walls or other units to allow the required airflow from the
unit to reach the coils. Failure to do so will reduce capacity and
increase energy consumption.
The clearance requirements shown are a general guide and
cannot take into account all scenarios. Factors such as prevailing
winds, additional equipment within the space, outside air
temperature and many other factors may require more clearance
than shown. Additional clearances may be required under certain
circumstances.
The graphs on the following pages indicate the minimum
clearance for different types of installations and also the reduction
in capacity and increase in power if a smaller space is used. The
graphs are based on individual cases and should not be combined
with other scenarios.
! CAUTION !
The performance of the unit may be affected if the operating
clearance is not sufficient.
Case 1. Building or wall on one side of the unit
NOTES: Assumes a solid height wall higher than the unit. Refer
to case 4 for partial wall openings.
For Tandem 7.5 TR models, maintain a minimum of 4 feet from a
wall of any height.
For Tandem 10 TR models, maintain a minimum of 6 feet from a
wall of any height.
For Tandem 12.5 TR models, maintain a minimum of 8 feet from
a wall of any height.
iom-clim-cf-eng
Installation and Application Information
Figure 4. Building or wall on one side of the unit
Case 2. Two units side by side
For models 05-20 , there should be a minimum of 4 feet between
two units placed side by side; however, performance may be
affected at this distance. For models 30-62.5 , the minimum is
6 feet, since closing the gap may cause recirculation of air and
elevation of condenser pressure. Assuming the requirement
that one side have at least 8 feet of service clearance is met,
the figures in Case 2 show the performance adjustments as the
distance between two units increases.
Figure 5. Two units side by side
Case 3. Three or more units, side by side
For all models, there must be a minimum distance between units
placed side by side; however, performance may be affected at
this distance. The minimum distances are: models 5 to 10 TR - 4
feet, models 12.5 to 30 - 5 feet, models 40 to 62.5 - 6 feet.
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