Page 11
DUCT ATTACHMENT METHODS
3
/
4
" PVC OR COPPER
TUBING AND FITTINGS
1-1/2"
MIN.
TYPICAL CONDENSATE DRAIN PIPING
A 3/4-inch female NPT condensate drain connection is pro-
vided on the evaporator access panel end of the unit. See
Figure 4. Provide a trap and fill it with water before starting the
unit to avoid air from being drawn through. Follow local codes
and standard piping practices when running the drain line.
Pitch the line downward away from the unit. Avoid long
horizontal runs. See Figure 13.
NOTE: Do not use reducing fittings in the drain lines. The
condensate drain must be:
● Made of 3/4" pipe size.
● Pitched 1/4" per foot to provide free drainage to
convenient drain system.
● Trapped.
● Must not be connected to closed drain system.
CONDENSATE DRAIN PIPING
The following warning complies with State of California law, Proposition 65.
▲WARNING:
This product contains
fiberglass wool insulation! Fiberglass dust and ceramic
fibers are believed by the State of California to cause
cancer through inhalation. Glasswool fibers may also
cause respiratory, skin, or eye irritation.
FIELD DUCT
U
NIT DUCT
FLANGE
UNIT EXTERIOR
WEATHERPROOF
THIS SEAM
FIELD DUCT
UNIT DUCT FLANGE
UNIT EXTERIOR
WEATHERPROOF
THIS SEAM
FIELD DUCT
UNIT DUCT
FLANGE
UNIT BASE
AIR PROOF
THIS SEAM
FIELD DUCT
UNIT DUCT
FLANGE UNIT BASE
AIR PROOF
THIS SEAM
FIELD
DUCT
UNIT DUCT FLANGE
UNIT BASE
AIR PROOF
THIS SEAM
FIELD DUCT
UNIT DUCT
FLANGE
UNIT BASE
NOT RECOMMENDED
WATERPROOF SEA
M
WITH BUTYL OR
SILICONE
FIELD DUCT
U
NIT DUCT
FLANGE
UNIT EXTERIOR
WEATHERPROOF
THIS SEAM