Table of Contents
Advertisement
Evaporator Coil
+
+
+
Condensing
+
Furnace
+
+
Blower
+ = Positive pressure
< + = Pressure lower than areas with +
(
= Negative pressure
INSTALLATION
NOTICE
This furnace is certified to leak 2% or less of nominal air
conditioning CFM delivered when pressurized to 1- -in. water
column with all present air inlets, including bottom closure in
upflow and horizontal applications, air outlets, and plumbing
and electrical ports sealed.
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
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*
Recommend "T" fitting
high
< +
standpipe of same
< +
< +
diameteror larger
3/4
3/4
Fig. 17 - - 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
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
LEVEL 0-IN. (0 MM) TO
1/2-IN. (13 MM) MAX
UPFLOW OR
DOWNFLOW
Fig. 18 - - Furnace Pitch Requirements
19
3/4" PVC
+
+
3/4
+
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
Open standpipe
(Optional when coil drain is
3/4" PVC
not connected to furnace
drain.)
3/4
+
+
3/4
3/4
3/4" PVC
TEE
3/4
(1/2" CPVC to 3/4" PVC
adapter from loose parts bag.)
< +
< +
< +
-
3/4
-
3/4
MIN 1/4-IN. (6 MM) TO
1/2-IN. (13 MM) MAX
HORIZONTAL
A170135
A11237
Hide quick links:
Advertisement
Table of Contents
