Caution – Bryant 355CAV User Manual

Page 8

and pressure tubes are connected as shown in Fig. 7.

See

appropriate application instructions for these procedures.

PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in property

damage.
Local codes may require a drain pan under entire furnace

and condensate trap when a condensing furnace is used in

an attic application or over a finished ceiling.

CAUTION

NOTE: In Canada, installations shall be in accordance with
current CAN/CSA--B149.1--05 and/or local codes.

UPFLOW APPLICATION

An upflow furnace application is where furnace blower is located

below combustion and controls section of furnace, and conditioned
air is discharged upwards.

Condensate Trap (Factory--Shipped Orientation)

The condensate trap is factory installed in the blower shelf and

factory connected for UPFLOW applications. A factory--supplied
tube is used to extend the condensate trap drain connection to the

desired furnace side for field drain attachment. See Condensate

Trap Tubing section for drain tube extension details. (See Fig. 6.)

Condensate Trap Tubing (Factory--Shipped

Orientation)

NOTE: See Fig. 7 or tube routing label on main furnace door to
confirm location of these tubes.

1. Collector Box Drain, Inducer Housing Drain, Relief Port,

and Pressure Switch Tubes.

These tubes should be factory 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 label on each tube. These tubes are
identified as follows: collector box drain tube (blue label),

inducer housing drain tube (violet label or molded), relief
port tube (green label), and pressure switch tube (pink
label).

2. Condensate Trap Drain Tube

The condensate trap drain connection must be extended for

field attachment by doing the following:

f. Determine location of field drain connection. (See Fig. 2

or 7.)

NOTE: If internal filter or side filter/media cabinet is used, drain
tube should be located to opposite side of casing from return duct
attachment to assist in filter removal.

g. Remove and discard casing drain hole plug button from

desired side.

h. Install drain tube coupling grommet (factory--supplied

in loose parts bag) in selected casing hole.

i. Slide drain tube coupling (factory--supplied in loose

parts bag) through grommet so long end of coupling
faces blower.

j. Cement 2 factory--supplied 1/2--in. (13 mm) street

CPVC elbows to rigid drain tube connection on

condensate trap. (See Fig. 7.) These elbows must be
cemented together and cemented to condensate trap
drain connection.

355C