Applications - Carrier 58MXA Installation, Start-Up, And Operating Instructions Manual

FRONT
MAX 80°F
M[N 60°F
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A05004
Fig, 4_Retum-Air Temperature
controls into containers be%re touching ungrounded objects
7. An ESD service kit (available fiom commercial sources) may
also be used to prevent ESD damage.
PROPERTY DAMAGE
Failure to follow this caution may result in minor property
damage.
Local codes may require a drain pan under entire filmace and
condensate trap when a condensing furnace is used in an attic
application or over a finished ceiling.
APPLICATIONS
Step l--General
Some assembly and modifications are required %r furnaces
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 instla/ctions fbr d-lese procedures
Step 2--Upf[ow Applications
An upflow furnace application is where t_mnace blowei is located
below combustion and controls section of f_./rnace, and conditioned
air is discharged upwards.
CONDENSATE TRAP LOCATION (FACTORY-SHIPPED
ORIENTATION)
The condensate tlap is flactol-y installed in the blower shelf and
fhctory connected for UPFLOW applications A factoo-supplied
tube is used to extend the condensate trap drain connection to the
desired t'urnace side for field drain attachment. See (ondensate
Trap Tubing (Factory=Shipped Orientation) section fbr drain tube
extension details. (See Fig. 5.)
CONDENSATE TRAP TUBING (FACTORY-SHIPPED
ORIENTATION)
NOTE: See Fig. 6 or robe routing label on main fi/mace door to
confirm location of these tubes.
1. Collector Box Drain, Inducer Housing Drain, Relief Port, and
Pressure Switch Tubes.
These robes should be factory attached to condensate trap and
pressure switch ready for use in UPFLOW applications. These
robes can be identified by their connection location and also
by a color label on each robe. These robes are identified as
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%llows: collector box &ain robe (blue label), inducer hmMng
&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 fbllowing:
a. Detem_ine location of field drain connection. (See Fig. 2 or
6.)
NOTE: If internal filter or side Filter/Media (abinet is used, &ain
robe should be located to opposite side of casing fiom return duct
attachment to assist in filter removal.
b. Remove and discard casing drain hole plug button Ii"om
desired side.
c. Install &ain robe coupling grommet (factow-supplied in
loose parts bag) in selected casing hole.
d. Slide &ain robe coupling (fbctory=supplied in loose parts
bag) through grommet ensuring tong end of coupling fitces
blower.
e. Cement 2 factory=supplied 1/2-in. street CPVC elbows to
the rigid drain tube connection on the condensate trap. (See
Fig. 5.) These elbows must be cemented together and
cemented to condensate trap drain connection
NOTE: Failure to use CPV( elbows may allow &ain to kink and
prevent draining.
£ Connect larger diameter drain tube and clamp (factory-
supplied in loose parts bag) to condensate trap and clamp
securely.
g. Route robe to coupling and cut to appropriate length.
h. Attach robe to coupling and clamp securely.
CONDENSATE TRAP LO(ATION (ALTERNATE LPFLOW
ORIENTATION)
An alternate tocation fbr d-le condensate t_ap is the left=hand side
of casing. (See Fig 2 and 7)
NOTE: If the alternate left°hand side of casing location is used.
the fimtolT°connected &ain and relief port tubes must be discon-
nected and modified for attachment. See Condensate Trap Tubing
(Alternate Upflow Orientation) section for tubing attachment.
To relocate condensate tlap to the left-hand side, perfbm_ the
following:
1. Remove 3 tubes connected to condensate trap.
2. Remove trap ti"om blower shelf by gently pushing tabs inward
and rotating trap.
3. Install casing hole filler cap (factory=supplied in loose parts
bag) into blower shelf hole where trap was removed.
N
CARBON MONOXIDE POISONING HAZARD
Failure to £dlow this warning could result in personal inju W
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 ti'om appliances in the equipment
1"OO111.
4. Install condensate trap into teftohand side casing hole by
inserting robe connection stubs through casing hole and
rotating until tabs snap into locking position.
5. Fill unused condensate trap casing holes with plastic filler
caps (fi_ctory=supplied in loose parts bag)