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2.3 PREPARING THE ENCLOSURE
To mount the 400 Btu unit you will need to cut an opening in your enclosure and drill
mounting holes. Cut out drawings showing the cut-out size, hole locations, and hole sizes have
been included in this manual (see Appendix). The instructions for installing the air conditioner are
printed below.
TOOLS AND MATERIALS NEEDED:
AAC-140C-4XT cut out stencil
Center Punch
Tape Measure and pencil
Jigsaw or suitable alternative
Electric drill
# 29 drill bit (.136”) (Not used for extension frame option)
# 8-32 tap and tap handle (Not used for extension frame option)
.203” drill bit (Extension frame option only)
# 8-32 x 3/8” stainless machine screws (supplied)
Nylon washers (supplied)
One neoprene gasket (supplied)
CUT THE OPENING AND DRILL MOUNTING HOLES IN THE ENCLOSURE
1.
Using the guidelines provided in the installation manual choose an appropriate location for
the air conditioner on your enclosure.
2.
Tape the cut out stencil to the enclosure in the location you have chosen.
3.
Before marking, cutting or drilling check that the location meets the clearance
requirements as specified in the installation manual.
4.
Using a pencil, center punch or other method, mark the exact center point of each
mounting hole on the enclosure. Also mark the four corners of the section to be cut out.
5.
Remove the stencil and using a pencil or other method, connect the marks you made at the
corners of the cut out, forming a rectangle.
6.
Using the jigsaw, cut the opening in the enclosure.
7.
Using the appropriate drill bit, drill a hole at each of the mounting hole marks you made
earlier.
8.
Using the 8-32 tap, tap each of the holes you have drilled (standard frame models only).
2.4 INSTALLING THE AIR CONDITIONER
INSTALL THE AIR CONDITIONER
1.
Lay the air conditioner down with the cold side fan (side with the thermostat) facing up.
2.
Take the supplied gasket and lay it down on the flange.
3.
Take one of the supplied mounting screws and, from the under side of the flange, push it up
through the top right mounting hole, and through the hole in the gasket. The gasket hole is
undersized and will hold the screw in place. Repeat this on the top left mounting hole.
4.
Set the AC unit in the hole you’ve cut in the enclosure, and using a screwdriver, carefully
start the two screws you attached to the gasket to the tapped holes in the enclosure. Do
not tighten these at this time.
5.
Install the rest of the screws in the flange placing a nylon washer on each fastener and
screw them into the tapped holes in the enclosure. Do not tighten them completely. If you
are using a vertical drip pan, you will need to install the long screw in the center hole in the
bottom flange.
