INSTALLATION INSTRUCTIONS
Gas Furnace: (F/G)9MVE
440 01 4401 02
19
Specifications subject to change without notice.
Example of Field Drain Attachment cont.
+
+
+
Condensing
Furnace
-
-
- -
-
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Evaporator Coil
+
+
+
< +
< +
< +
+
Blower
-
3/4” PVC
3/4
3/4
3/4
3/4
3/4
3/4
+
= Positive pressure
< +
= Pressure lower than areas with
+
ï
= Negative pressure
+
DIRECT
IO
N
OF
AI
RF
LO
W
3/4” PVC
Open standpipe
(Optional when coil drain is
not connected to furnace
drain.)
TEE
(1/2” CPVC to 3/4” PVC
adapter from loose parts bag.)
L14F027
Figure 15
Modify Rubber Drain Elbow
Cut line for left side condensate drain.
Do not discard parts after cutting.
1
−
3/8 in
(35 mm)
L11F089
Figure 16
Horizontal Drain Trap Grommet
Remove knockout.
Install grommet before
relocating condensate
trap.
A11348
Figure 17
Drain Trap Connection and Routing
s
TRAP, DRAIN ELBOW WITH DISCHARGE PIPE
Attach elbow to condensate trap
Cut formed end off
condensate drain
elbow
Connect short end
of “Z” pipe to modified
drain elbow
Factory supplied 1/2
−
in. CPVC to
3/4
−
in. PVC adapter
LEFT SIDE DRAIN ROUTED BEHIND INDUCER
Formed end of grommet
Open spring clamp. Insert
1/2
−
in. to 3/4
−
in. CPVC to
PVC adapter or 1/2
−
in.
CPVC pipe
Modified drain elbow connect to
condensate trap and “Z” pipe
Formed end of
grommet
NOTE: Remove Inducer Housing for easier access, if desired.
L12F015
Figure 18
Formed Rubber Drain Grommet
L12F022
INSTALL CLAMPS ON DRAIN ELBOW
ATTACH DRAIN ELBOW TO CONDENSATE
DRAIN TRAP
PULL DRAIN STUB
THROUGH CASING
OPEN SPRING CLAMP
INSERT FACTORY
−
SUPPLIED 1/2
−
IN. CPVC
TO 3/4
−
IN. PVC ADAPTER OR 1/2
−
IN. CPVC PIPE
*CLAMP MAY BE LOCATED ON OUTSIDE OF DRAIN ELBOW
