International comfort products G9MVE A3 Series Installation Instructions Manual page 18

INSTALLATION INSTRUCTIONS
Example of Field Drain Attachment
Figure 13
(NOT ALLOWED)
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Evaporator Coil
+ + +
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+ +
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Condensing
Furnace
+
+
+
< +
< +
< +
-
Blower
-
-
- -
-
Evaporator Coil
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
Ä Ä Ä Ä Ä Ä Ä Ä Ä +
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Condensing
Furnace
+
+
+
Blower
-
- -
-
+ = Positive pressure
< + = Pressure lower than areas with +
= Negative pressure
Evaporator Coil
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
Ä Ä Ä Ä Ä Ä Ä Ä Ä +
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Condensing
+ Furnace
+
+
Blower
-
- -
-
+ = Positive pressure
< + = Pressure lower than areas with +
= Negative pressure
18
+ = Positive pressure
< + = Pressure lower than areas with +
+
= Negative pressure
+
Blower creates positive pressure.
Positive pressure extends into coil
condensate drain (no trap).
+
Furnace condensate does not flow
consistently when drain is at positive
pressure.
+
+
+
+
A150261
3/4" PVC
+
+ +
3/4
+
3/4" PVC
3/4
+
+
3/4 1/2" CPVC or larger*
+
+
< +
3/4
< +
< +
+
+
-
+
+
3/4
-
+
+
+ +
3/4
A150262
3/4" PVC
+
+ +
3/4
+
3/4" PVC
3/4
+
+
3/4
1/2" CPVC or larger*
+
+
< +
3/4
< +
< +
+
+
-
+
+
3/4
-
+
+
+ +
3/4
A150263
Specifications subject to change without notice.
Figure 14 Example of Field Drain Attachment
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
Evaporator Coil
+ + +
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
3/4" PVC
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
3/4
Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
Condensing
+ Furnace
+
+
< +
< +
-
Blower
-
-
- -
-
+ = Positive pressure
< + = Pressure lower than areas with +
= Negative pressure
Evaporator Coil
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
Ä Ä Ä Ä Ä Ä Ä Ä Ä +
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
+
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Ä Ä Ä Ä Ä Ä Ä Ä Ä
Condensing
+ Furnace
+
+
-
Blower
-
-
- -
-
+ = Positive pressure
< + = Pressure lower than areas with +
= Negative pressure
Gas Furnace: (F/G)9MVE
Open standpipe for coil
or humidifier drain
Air gap here
TEE
(1/2" CPVC to 3/4" PVC
adapter from loose parts bag.)
To open drain
L14F024
+
+
3/4" PVC
3/4
+
Open standpipe
+ Air gap required when
another drain is connected
+
to furnace drain.
3/4
TEE
(1/2" CPVC to 3/4" PVC
adapter from loose parts bag.)
< +
3/4
3/4
L14F025
Open standpipe
(Optional when coil drain is
not connected to furnace
3/4" PVC
drain.)
+
+ +
3/4
+
3/4" PVC
3/4
+
+
3/4
1/2" CPVC or larger*
< +
< + < +
3/4
3/4
L14F026
440 01 4401 02