COMBUSTION-AIRPIPE
(SEEVENTINGSECTION)-X
\
\
A 12-1N. (305 mm) MIN HORIZONTAL PIPE \
\
SECTION IS RECOMMENDED WITH A
SHORT (5 TO 8 FT / 1.5 TO 2.4 M) VENT
SYSTEM TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
EXITING THE VENT PIPE.
30 IN. (762 mm)
MANUAL
SHUTOFF _INDOOR
GAS VALVE / COIL
SEDIMENT_ CONDENSATE
TRAP TRAP
ROLLOUT PROTECTION REQUIRED
Install 12"x 22" (305 x 559 mm) sheet
metal in front of burner compartment
a rea.
NOTE: FURNACE SHOWN AS DIRECT VENT APPLICATION, REFER TO THE
VENTING SECTION FOR ALLOWABLE VENT CONFIGURATIONS
Al1154
Fig. 27 - Working Platform for Attic Installation
NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished ceiling.
COMBUSTION-AIRPIPE
_(SEEVENTINGSECTION)
_1/4-IN ROD
,/
NOTE: EXTEND ANf
IRON OUT FOR
COIL SUPPORT/ HEX NUT
/
& WASHER (4)
REQD. PER ROD
ROD LOCATION /
USING DIMPLE /
LOCATORS
NOTES: 1. A 1 In. (25mm) clearance minimum between
top of furnace and combustible material
2. The entire length of furnace must be
supported when furnace is used in horizontal
position to ensure proper drainage,
3. Furnace shown is a direct vent application.
Refer to the Venting section for allowable vent
configurations.
Al1155
Fig. 28 - Suspended Furnace Installation
NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished ceiling.
2d