Install Manual

19
Air gap here
Open standpipe for coil
or humidifier drain
TEE
(1/2” CPVC to 3/4” PVC
adapter from loose parts
bag.)
To open drain
+
+
+
Condensing
Furnace
-
-
-
-
-
Evaporator Coil
+
+
+
< +
< + < +
+
Blower
-
3/4” PVC
3/4
1/2” CPVC or larger*
+ = Positive pressure
< + = Pressure lower than areas with +
− = Negative pressure
+
3/4” PVC
DIRECTION
OF
AIRFLOW
+
+
+
+
3/4
3/4
3/4
3/4
Open standpipe
(Optional when coil drain is
not connected to furnace
drain.)
+
+
+
Condensing
Furnace
-
-
-
-
-
Evaporator Coil
+
+
+
< +
< +
< +
+
Blower
-
3/4” PVC
3/4
3/4
3/4
3/4
+ = Positive pressure
< + = Pressure lower than areas with +
− = Negative pressure
+
3/4” PVC
DIRECTION
OF
AIRFLOW
+
+
+
3/4
Open standpipe
Air gap required when
another drain is connected
to furnace drain.
+
TEE
(1/2” CPVC to 3/4” PVC
adapter from loose parts bag.)
+
+
+
Condensing
Furnace
-
-
-
-
-
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 +
− = Negative pressure
+
DIRECTION
OF
AIRFLOW
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.)
A14533
Fig. 14 -- Example of Field Drain Attachment
PG95SAS