Friedrich PTAC Series Installation & Operation Manual page 7

920-087-04 (8-05)
Installation Instructions PXDRIO Drain Kit
NOTE: Determine whether drain will be located within the wall, on the indoor side, or will drain to the exterior of the building. Follow
appropriate instructions below depending on your particular type of installation.
Internal Drain (optional for new construction)
NOTE: If installing an internal drain, you MUST install a drain kit
on the wall sleeve before the wall sleeve is installed.
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5,
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Refer to Figure 3 below and locate the drain within the
"Primary" area for best drainage. Maintain at least a 1!2"
clearance from the embossed area.
Using the mounting plate with the 1/2" hole as a template,
mark and drill two, 3/16" mounting holes and a 1/2" drain
hole.
Remove the backing from the gasket and mount it on the
flat side of the mounting plate. (See Figure 4.) Insert the
drain tube through the hole in the gasket and mounting
plate so the tube flange will be against the wall sleeve.
Position the assembly beneath the drilled holes and
secure it with #10-24 x 1/2" machine screws and lock
nuts provided. Seal the tops of the screws with silicone
caulking.
Use 1/2" I.D. copper tube, PVC pipe, or vinyl hose (obtained
locally)to connect the internal drain tube to the drain system
in the building.
Referring to Detail A on page 6, locate and assemble the
(2) two cover plates and gaskets over the drain holes at
the rear of the wall sleeve. Attach them with the #10 sheet
metal screws provided. Make certain that the four overflow
slots at the rear of the wall sleeve are not blocked (See
drawing of the back of the sleeve on page 6).
If a deep wall extension (PXWE) is used, after installing
the field supplied flashing, caulk as required. Be sure to
caulk around the flashing and the wall sleeve where the
hole was drilled for the drain tube.
Figure3
Drain Kit Locationand Installation
Secondary area
Primary area - no foam insulation
If the drain must be located in the
secondary area, the foam insulation
must be cut away and removed to
allow access to the drain.
7.6 cm
Screw
Wall sleeve
Gasket 4
Mounting plate -_._/ I Fq---Tq t \\
• Nut_Jl'l I I I \\
Drain tube _ I _._