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Condensate Piping
This unit is designed for either right- or left-side exit of
condensate piping. Refer to FIGURE 37 and FIGURE 38
for condensate trap locations.
NOTE - If necessary the condensate trap may be installed
up to 5' away from the furnace. Use PVC pipe to connect
trap to furnace condensate outlet. Piping from furnace
must slope down a minimum of 1/4" per ft. toward trap.
1 - Determine which side condensate piping will exit
the unit, location of trap, field-provided fittings and
length of PVC pipe required to reach available drain.
2 - Use a large flat head screw driver or a 1/2" drive
socket extension and remove plug (FIGURE 37)
from the cold end header box at the appropriate
location on the side of the unit. Install provided 3/4
NPT street elbow fitting into cold end header box.
Use Teflon tape or appropriate pipe dope
NOTE - Cold end header box drain plugs are factory in-
stalled. Check the unused plug for tightness to prevent
leakage.
CONDENSATE TRAP AND PLUG LOCATIONS
Trap
(same on
right side)
1-1/2 in.
FIGURE 37
Install the cap over the clean out opening at the base of
the trap. Secure with clamp. See FIGURE 43.
3 - Install drain trap using appropriate PVC fittings, glue
all joints. Glue the provided drain trap as shown in
FIGURE 43. Route the condensate line to an open
drain.
4 - FIGURE 40 shows the furnace and evaporator coil
NOTE - If necessary the condensate trap may be installed
up to 5 feet away from the furnace. Piping from furnace
must slope down a minimum of 1/4" per ft. toward trap.
NOTE - Appropriately sized tubing and barbed fitting may
Plug
be used for condensate drain. Attach to the drain on the
(same on left
trap using a hose clamp. See FIGURE 39.
side)
Page 27
using a separate drain. If necessary, the condensate
line from the furnace and evaporator coil can
drain together. See FIGURE 41 and FIGURE 42.
The field provided vent must be a minimum 1" to
a maximum 2" length above the condensate drain
outlet connection.
CONDENSATE TRAP LOCATION
(shown with right side exit of condensation)
Trap can be installed a maximum
of 5ft. from furnace (*PVC only)
Field Provided Vent
1" min. 2" max. above
condensate drain.
1" min.
2" max .
5' max.
*Piping from furnace must slope down a
minimum 1/4" per ft. toward trap
FIGURE 38
Field Provided Drain Components
Elbow
Tubing
FIGURE 39
to drain
Barbed Fitting
Hose Clamp
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