Horizontal Installations - Goodman GMH95 Installation Instructions Manual

Cabinet Width Models
(inches) (kBTU_Tons)
040_3, 045_30,
17 1/2
060_3
21 070_40, 080_5
090_50, 100_5
24 1/2
115_50
U D T M
PRIGHT RAIN RAP OUNTING
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.
H I
ORIZONTAL NSTALLATIONS
R S D
IGHT IDE OWN
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:
HOSE A
HOSE B
TUBES 2
DRAIN TRAP
"X" Length to Cut From Long
End of Hose B
(inches)
7
3 1/2
None
(L R S
EFT OR IGHT IDE
FRONT COVER
DRAIN PORT
RED HOSE
CLAMP
(3 PLACES)
Horizontal Connections - Right Side Down
(Upflow Shown, Counterflow Similar)
1. Remove the rubber plug 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.
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.
P )
ANEL
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 Conden-
sate Drain Lines and Drain Trap - Horizontal Drain Trap Mounting.
FRONT
COVER
PRESSURE
GREEN
HOSE
TUBE 1
CLAMP
24
RUBBER
TAP
ELBOW
RIGHT
SIDE
PANEL
RUBBER ELBOW
DRAIN PORT
SILVER HOSE
CLAMP
Cut hose