Carrier 58MTA Installation, Start-Up, And Operating Instructions Manual page 10

PLUG
AUXILIARY "J" BOX "__
BOX
DRAIN TUBE
(BLUE AND WHITE STRIPED)
CONDENSATE
TRAP
COLLECTOR BOX
TUBE(GREEN)
BOX EXTENSION
DRAIN TUBE
COLLECTOR BOX
EXTENStON TUBE
;ERHOUSING
DRAINTUBE(VIOLET)
DRAIN TUBE (BLUE)
DRAIN TUBE COUPLING \
\
COLLECTOR BOX TUBE (PINK) "_"
RELOCATE TUBE BETWEEN BLOWER SHELF AND INDUCER HOUSING FOR
040, 060, AND 080 HEATING INPUT FURNACES
A01029
Fig. 10--Horizontal Left Tube Configuration
5. Fill unused condensate trap casing holes with plastic filler
caps (factory-supplied in loose parts bag).
CONDENSATE TRAP TUBING
NOTE: See Fig. 10 or tube routing label on main furnace door to
check for proper connections.
1. Collector Box Drain Tube
a. Install drain tube coupling (factory-supplied in loose parts
bag) into collector box drain tube tblue label) which was
previously connected to condensate trap.
b. Connect large diatueter drain tube and clamp (factory-
supplied in loose parts bag) to drain tube coupling, extend-
ing collector box drain tube.
c. Route extended tube (blue label) to condensate trap and cut
to appropriate length.
d. Clamp tube to prevent any condensate leakage.
2. Inducer Housing Drain Tube
a. Remove and disc,'u-d LOWER (molded) inducer housing
drain tube which was previously connected to condensate
trap.
b. Use inducer housing drain extension tube (violet label and
factory-supplied in loose parts bag) to connect LOWER
inducer housing drain connection to the condensate trap,
c. Determine appropriate length, cut. and connect tube.
d. Clamp tube to prevent any condensate leakage.
3. Relief Port Tube
a. Extend collector box tube (green label) which was previ-
ously connected to the condensate trap by splicing to small
diameter tube (factory-supplied in loose parts bag).
b. Route extended collector box pressure tube to relief port
connection on the condensate trap.
c. Determine appropriate length, cut, and connect tube.
d. Clanlp tube to prevent any condensate leakage.
CONDENSATE TRAP FIELD DRAIN ATTACHMENTS
Refer to Condensate Drain section for recommendations and
procedures.
PRESSURE SWITCH TUBING
The LOWER collector box pressure tube (pink label) is factory
connected to the High Pressure Switch for use when furnace is
installed in UPFLOW applications. This tube MUST be discon-
nected, extended, rerouted, and then reconnected to the pressure
switch in HORIZONTAL LEFT applications for 060 and 080
heating input furnaces.
NOTE: See Fig. 10 or tube routing label on main furnace door to
check for proper connections.
Modify tube as described below:
1. Disconnect collector box pressure tube (pink label) attached to
High Pressure Switch.
2. Use smaller diameter tube I, f actory-supplied in loose parts
bag) to extend tube disconnected in item i.
3. Route extended tube:
4.
a. Behind inducer housing.
b. Between blower shelf and inducer housing.
Determine appropriate length, cut. and reconnect tube to High
Pressure Switch connection labeled COLLECTOR BOX.
10