__D FURNACE
OOR
TRAP (INSIDE_ X[
TU% OOS%TRAP
DRAIN TUBE LOCATION
UPFLOW APPLICATIONS
FIELD--
DRAIN
CONN
/_ CONDENSATE
/ TRA uRNAOE7
/ SIDV
/o
£[_2% ......
26_/4 1_/2
SIDE VIEW FRONT VIEW
DOWNFLOW AND ALTERNATE
EXTERNAL UPFLOW APPLICATIONS
_1 FURNACE
OOR
FIELD --
DRAIN
CONN
-- FURNACE
SIDE
l
¾
END VIEW FRONT VIEW
HORIZONTAL
APPLICATIONS
s'-°7'-%:°:U7
(OPTIONAL) /
W, ETIE
GUIDES
(WHEN USED)
71/8
l
COD
COLLECTOR BOX TO
TRAP RELIEF PORT
_OD
INDUCER HOUSING
DRAIN CONNECTION
'_OD
COLLECTOR BOX
DRAIN CONNECTION
SCREW HOLE FOR
UPFLOW OR DOWN-
FLOW APPLICATIONS
(OPTIONAL)
YnlN. PVC OR CPVC
FRONT VIEW SIDE VIEW
A93026
Fig. 5--Condensate Trap
APPLICATIONS
,,_ . j o
MINOR PROPERTY DAMAGE
Failure to follow this caution may result in minor property
damage.
Local codes may require a drain pan under entire fl/rnace and
condensate trap when a condensing furnace is used in an attic
application or over a finished ceiling.
Step l--General
Some assembly and modifications are required for barnaces
installed in any of the 4 applications shown in Fig. 1. All &ain and
pressure robes are connected as shown in Fig 6 See appropriate
application instructions _br fl-_ese procedures
Step 2--Upflow Applications
An upflow t'umace application is where fm'nace blower is located
below combustion and controls section of fl/rnace, and conditioned
air is discharged upwards.
(ONDENSATE TRAP LO(ATION (FACTORY-SHIPPED
ORIENTATION)
The condensate trap is _hctory installed in the blower shelf and
_5ctory connected for UPFLOW applications. A factow-supplied
tube is used to extend the condensate trap drain connection to the
desired furnace side for field drain attachment See Condensate
Trap Tubing (Factory=Shipped Orientation) section i%r drain tube
extension details. (See Fig. 5.)
CONDENSATE TRAP TL BING (FACTORY-SHIPPED
ORIENTATION)
NOTE: See Fig. 6 or robe routing label on main furnace door to
confirm tocation of these tubes
l. Collector Box Drain, Inducer Housing Drain, Relief Port, and
Pressure Switch Tubes
These tubes should be facto W attached to condensate trap and
pressure switch ready for use in UPFLOW applications. These
tubes can be identified by their connection location and also
by a color 1abel on each robe. These tubes are identified as
follows: collector box &ain robe (blue label), in&cer housing
&ain robe (violet label or molded), relief port robe (green
label), and pressure switch robe (pink label).
2. Condensate Trap Drain Tube
The condensate trap drain connection must be extended for
field attachment by doing the *%llowing:
a. Detemine location of field drain connection. (See Fig. 2 or
63
NOTE: If internal filter is used, drain tube should be located to
opposite side of casing from return duct attachment to assist in
filter removal.
b. Remove and discard casing drain hole plug button from
desired side.
c. Install &ain tube coupling grommet (factoD-supplied in
loose parts bag) in selected casing hole.
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