Operating instructions
COLLECTOR
DRAIN TUBE (BLUE)
PLUG
TUBE (GREEN)
EXTENSION TUBE
TUBE (PINK)
COLLECTOR
DRAIN TUBE (BLUE
& WHITE STRIPED)
EXTENSION TUBE
TRAP
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INDUCER HOUSING
DRAIN TUBE (VIOLET)
Fig. 8--Downflow Tube Configuration (Left-_6c_
Trap Installation)
PRESSURE SWITCH TUBING
The LOWER collector box pressure robe (pink label) is factory
connected to the pressure switch and should not require any
modification.
NOTE: See Fig. 6 or 7 or tube routing label on main furnace door
to check for proper connections.
UPPER COLLECTOR BOX AND INDUCER HOUSING
(LEX'USED) DRAIN CONNECTIONS
Upper Collector Box Drain Connection
Attached to the UPPER collector box drain connection is a
factory-installed corrugated, plugged tube (blue and white striped
label). This robe is plugged to prevent condensate leakage in this
application. Ensure this tube is plugged.
NOTE: See Fig. 6 or 7 or tube routing label on main furnace door
to check for proper connections.
Upper Inducer Housing Drain Connection
Attached to the UPPER (unused) inducer housing drain connection
is a cap and clamp. This cap is used to prevent condensate leakage
in this application. Ensure this connection is capped.
NOTE: See Fig. 6 or 7 or tube routing label on main furnace door
to check for proper connections.
CONDENSATE TRAP FREEZE PROTECTION
Refer to Condensate Drain Protection section for recommenda-
tions and procedures.
Step 3--Downflow Applications
A downflow furnace application is where furnace blower is located
above combustion and controls section of furnace, and conditioned
air is discharged downwards.
O O
F PLUG
F CAP
-COLLECTOR BOX
DRAIN TUBE(BLUE)
_ COLLECTOR BOX
TUBE (PINK)
COLLECTOR BOX
TUBE (GREEN)
COLLECTOR BOX
EXTENSION TUBE
COLLECTOR BOX
DRAIN TUBE (BLUE
& WHITE STRIPED)
_- COLLECTOR BOX
EXTENSION TUBE
INDUCER HOUSING
DRAINTUBE
}1 I (VIOLET)
_1I"_-- CONDENSATE
_1_ TRAP
]_-- COLLECTOR BOX
EXTENSION
_DRAINcouPLINGTUBE_lr DRAIN TUBE
Fig. 9--Downflow Tube Configuration (Right-_6c_
Trap Installation)
CONDENSATE TRAP LOCATION
The condensate trap must be removed from the factory-installed
blower shelf location and relocated in selected application location
as shown in Fig. 2, 8, or 9.
To relocate condensate trap fi'om the blower shelf to desired
location, perform the following:
i. Remove 3 tubes connected to condensate trap.
2. Remove trap from blower shelf by gently pushing tabs inward
and rotating trap.
3. Remove casing hole filler cap from casing hole. (See Fig. 2, 8,
or 9.)
4. Install casing hole filler cap into blower shelf hole where trap
was removed.
___>
Casing hole filler cap must be installed in blower shelf hole
when condensate trap is relocated. Failure to follow this
warning could result in electrical shock, fire, personal injury
or death.
5. Install condensate trap into desired casing hole by inserting
robe connection stubs through casing hole and rotating until
tabs snap into locking position.
T
CONDENSATE TRAP TLBING
NOTE: See Fig. 8 or 9 or robe routing label on main fumace door
to check for proper connections.
Relocate robes as described below.
i. Collector Box Drain Tube
a. Remove factory-installed plug from LOWER collector box
drain tube (blue and white striped label).