Downflow; Downflow Applications - Carrier Infinity ICS 58MVC 100 Series Installation Instructions Manual

COLLECTOR BOX
DRAIN TUBE (BLUE)
PLUG
CAP
COLLECTOR BOX
TUBE (GREEN)
COLLECTOR BOX
TUBE (PINK)
COLLECTOR BOX
DRAIN TUBE (BLUE &
WHITE STRIPED)
COLLECTOR BOX
TUBE EXTENSION
CONDENSATE
T RAP
INDUCER HOUSING
(MOLDED) DRAIN
TUBE (VIOLET)
Fig. 9 - - Downflow Tube Configuration
(Left- -hand Trap Installation)

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.
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, 9, or 10.
To relocate condensate trap from the blower shelf to desired
location, perform the following:
1. Remove three 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
and 10.)
4. Install casing hole filler cap (factory- -supplied in loose parts
bag) into blower shelf hole where trap was removed.
WARNING
!
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal
injury or death.
Casing hole filler cap must be installed in blower shelf hole
when condensate trap is relocated to prevent combustion
products being drawn in from appliances in the equipment
room.
5. Install condensate trap into left- -hand side casing hole by
inserting tube connection stubs through casing hole and
rotating until tabs snap into locking position.
6. Fill unused condensate trap casing holes with plastic filler
caps (factory- -supplied in loose parts bag).
DRAIN TUBE
COUPLING
A07276
Fig. 10 - - Downflow Tube Configuration
(Right- -Hand Trap Configuration)
Condensate Trap Tubing
NOTE: See Fig. 9 or 10 or tube routing label on main furnace
door to check for proper connections.
1. Collector Box Drain Tube
a. Remove factory- -installed plug from LOWER collector
box drain tube (blue and white striped label).
b. Install removed clamp and plug into UPPER collector
box drain tube (blue label) which was connected to
condensate trap.
c. Connect LOWER collector box drain connection to
condensate trap.
(3.) Condensate Trap Located on Left Side of Casing
a. Connect LOWER collector box drain tube (blue
and white striped label) to condensate trap. Tube
does not need to be cut.
b. Clamp tube to prevent any condensate leakage.
(4.) Condensate Trap Located on Right Side of Casing
a. Install drain tube coupling (factory- -supplied in
loose parts bag) into collector box drain tube
(blue and white striped label) which was
previously plugged.
b. Connect
(factory- -supplied in loose parts bag) to drain
tube coupling, extending collector box drain
tube for connection to condensate trap.
c. Route extended collector box drain tube between
gas valve and inlet housing as shown in Fig. 10.
d. Determine appropriate length and cut.
e. Connect to condensate trap.
2. Inducer Housing Drain Tube
a. Remove factory- -installed cap and clamp from LOWER
inducer housing drain connection.
11
COLLECTOR BOX
TUBE (GREEN)
CAP
COLLECTOR BOX
DRAIN TUBE (BLUE)
COLLECTOR BOX
TUBE (PINK)
PLUG
COLLECTOR BOX
DRAIN TUBE (BLUE &
WHITE STRIPED)
COLLECTOR BOX
TUBE EXTENSION
INDUCER HOUSING
(MOLDED) DRAIN
TUBE (VIOLET)
CONDENSATE
TRAP
COLLECTOR BOX
EXTENSION
DRAIN TUBE
A07277
larger diameter drain tube