Marvair Scholar III™ VAISA I&S Manual 03/2019 Rev. 8
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WARNING
BEFORE INSTALLING, SERVICING OR MAINTAINING THIS EQUIPMENT, SWITCH
THE ELECTRIC POWER TO “OFF” AT THE DISCONNECT LOCATED BEHIND THE
KEY LOCKED DOOR ON THE LOWER FRONT PANEL. FAILURE TO DO THIS COULD
RESULT IN PROPERTY DAMAGE, BODILY INJURY OR DEATH.
1.03 PREPARATION OF SCHOLAR III™ HEAT PUMP OR AIR CONDITIONER FOR
LOUVER/COLLAR INSTALLATION
Note: Custom louvers may have installation requirements different from louvers with
a collar. Follow engineer’s drawings and instructions for installation of these louvers.
The Scholar III™ heat pump or air conditioner should be installed following the
instructions in this manual. After installation, the Scholar III air box should be from
1-1/4” to 1-3/8” from the outside surface of the finished wall, as shown in Figure 1.
Figure 1. Dimension between Scholar III™ Air Box and Finished Outside Wall for
Outdoor Louver/Collar Assembly Installation.
FREEBLOW PLENUM
SCHOLAR III™
HEAT PUMP OR
AIR CONDITIONER
DISTANCE (INCHES) BETWEEN AIR BOX
AND OUTSIDE FINISHED WALL
LOUVER/COLLAR
OUTSIDE WALL
NOTE: TO PREVENT RAIN WATER FROM RUNNING
DOWN THE INTERIOR OF THE WALL, INSTALL FLASHING UNDER
THE OUTDOOR AIR BOX OVER THE SILL OF THE WALL OPENING.
CAUTION
WHEN FASTENING LOUVER/COLLAR ASSEMBLY TO AIR BOX (OR EXTENSION) DO
NOT OVERTIGHTEN LOUVER SCREWS. OVERTIGHTENING SCREWS WILL CAUSE
DAMAGE AND WARP THE LOUVER/COLLAR ASSEMBLY.
1.04 INSTALLATION OF LOUVER/COLLAR ASSEMBLY, LOUVER AND COLLAR
A. Louver/Collar Assembly
The preassembled louver/collar is fastened from the outside of the building in one
assembly.
1. The louver/collar assembly is
fastened directly to the air box
as shown in
Figure 2, with six screws supplied with the louver/collar. Prior to installing the
louver, apply caulk around the perimeter flange of the outdoor air box. Be careful
