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C
ONDENSATE
D
RAIN
L
INES
& D
RAIN
T
RAP
UPRIGHT DRAIN TRAP MOUNTING (LEFT OR RIGHT SIDE PANEL)
1. Insert drain tubes into drain trap and position the drain
trap against the side panel. NOTE: Drain tubes must
reach the bottom of the drain trap.
2. Secure drain trap to side panel at the mounting holes
(dimples or crosshairs on counterflow models) located
below the grommet drain holes.
3. Attach PVC drain line to drain trap outlet with either a 90°
elbow or coupling.
HORIZONTAL I NSTALLATIONS
RIGHT SIDE DOWN
Horizontal installations with the right side down require that the
drain hoses be connected to the right side front cover drain port
and the rubber elbow drain port.
NOTE: On counterflow models, relocation of the front cover
pressure switch hose is required.
Make connections as follows:
1. Remove the rubber plug/cap from right side of the front
cover drain port.
Counterflow furnaces
Relocate the front cover pressure switch hose connection
from the left side pressure tap to the right (down) side tap.
The pressure switch hose must be connected to the down
side to guard against blocked drain conditions. Cut hose
to appropriate length to minimize sagging. Plug left
(unused) pressure tap with plug removed from right side.
2. Secure Hose A to front cover drain tap with a red hose
clamp. Route hose to rear right (down) side panel grommet
holes.
3. Cut 1/4 inch from the end of the drain port on the rubber
elbow and discard.
4. Insert Tube 1 into rubber elbow drain port and secure with
a silver hose clamp. Angle tube outward toward front of
furnace.
5. Cut 17 3/4 inches from the long end of Hose B and discard.
6. Secure remaining end of Hose B to exposed end of Tube
1 with a green hose clamp. Route hose to front right
down side panel grommet holes.
7. Cut 5 1/2 inches straight length from the long end of each
Tube 2 and discard the radius pieces.
8. Insert approximately one inch of each Tube 2 through the
right down side panel grommet holes. Secure tubes to
Hose A and Hose B using green hose clamps. Ensure
hoses and tubes maintain a downward slope for proper
drainage and are not kinked or bound.
For details concerning mounting of the drain trap, refer to Con-
densate Drain Lines and Drain Trap - Horizontal Drain Trap Mount-
ing.
HOSE A
HOSE B
GREEN
HOSE
CLAMP
(3 PLACES)
TUBE 1
RUBBER
ELBOW
RIGHT
SIDE
PANEL
DRAIN TRAP
TUBES 2
RUBBER ELBOW
DRAIN PORT
FRONT COVER
DRAIN PORT
FRONT
COVER
PRESSURE
TAP
RED HOSE
CLAMP
SILVER HOSE
CLAMP
Horizontal Connections - Right Side Down
(Upflow Shown, Counterflow Similar)