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UNT-SVX07A-EN 29
pre-installation
considerationsInstallation
Service Access
Service access is available from the front
on vertical units and from the bottom on
horizontal units. Cabinet and recessed
units have removable front or bottom
panels to allow access into the unit. See
Figure I-PC-1 for recommended service
and operating clearances.
Units have either right or left hand piping.
Reference piping locations by facing the
front of the unit (airflow discharges from
the front). The control panel is always on
the end opposite the piping.
The fan board assembly and main drain
pan are easily removable for cleaning.
See the“Maintenance” section for more
details on servicing.
Pre-Installation Checklist
Complete the following checklist before
beginning unit installation.
!
Verify the unit size and tagging with the
unit nameplate.
!
Make certain the floor or foundation is
level, solid, and sufficient to support the
unit and accessory weights. See the
Dimensions and Weights section. Level
or repair the floor before positioning the
unit if necessary.
!
Allow minimum recommended
clearances for routine maintenance and
service. Refer to unit submittals for
dimensions.
!
Allow one and one half fan diameters
above the unit before the discharge
ductwork makes any turns.
model B, vertical cabinet
model L, low vertical cabinet
12"
both sides
24"
3"
36"
model A, vertical concealed
model K, low vertical concealed
model H, vertical recessed
8.5"
both sides
12"
both sides
8.5"
both sides
28"
28"
model D, horizontal cabinet
model C, horizontal concealed
model E, horizontal recessed
24"
front discharge
Figure I-PC-1. Recommended service clearances