12
CONDENSATE TRAP
Condensate Trap -- Upflow Orientation
When the furnace is installed in the upflow position, it is not
necessary to relocate the condensate trap or associated tubing.
Refer to Fig. 8 for upflow condensate trap information. Refer to
Condensate Drain section for information how to install the
condensate drain.
Condensate Trap -- Downflow Orientation.
When the furnace is installed in the downflow position, the
condensate trap will be initially located at the upper left corner of
the collector box, as received from the factory. See the top image
in Fig. 9. When the furnace is installed in the downflow
orientation, the condensate trap must be relocated for proper
condensate drainage. See the bottom image in Fig. 9.
To Relocate the Condensate Trap:
S Or ient the furnace in the downflow position.
S Fi g. 9 shows the conde nsate trap and tubi ng befor e and af t er
relocation. Re fer to Fig. 9 to begin the tra p conve rsion.
S Re f er to Condens ate Drain se ction for infor m a tion how to ins t all the
condensa t e dra in.
Condensate Trap -- Horizontal Orientation.
Whe n the furnace is ins t alled in the horizontal right position, the
condensa t e t r ap wil l be initially located at the bottom of the collector
box, as received from the factory. See the top image in Fig. 10.
When the furnace is installed in the horizontal left position, the
condensa t e trap wil l be initially located at the top of the collector box,
as received from the factory. See the top image in Fig. 11. In both
case s t he trap must be reposit ioned on the col lector box for proper
condensate dr ainage. See the bott om images in Fig. 10 a nd 11.
A field--supplied, accessory Horizontal Installation Kit (trap
grom met) is required for all dir ect--ve nt horizontal ins talla t ions (only).
The kit contains a rubber casing gromme t designed to seal betwe en
the fur nace ca sing a nd the conde nsate trap. See Fig. 17.
The field--supplied, accessory horizontal drain trap grommet is
ONLY REQUIRED FOR DIRECT VENT APPLICATIONS.
It it NOT required for applications using single-- pipe or
ventilated combustion air venting.
NOTICE
The condensate trap extends below the side of the casing in
the horizontal position. A minimum of 2--in. (51 mm) of
clearance is required between the casing side and the furnace
platform for the trap to extend out of the casing in the
horizontal position. Allow at least 1/4--in. per foot (20 mm
per meter) of slope down.
NOTICE
To Relocate the Condensate Trap:
S Re move the knockout in the casing for the conde nsa t e tr ap.
S I nstall the gromme t in the casing when re quired for dir ect--ve nt
horizontal appl ications.
S Orient the furnace in the desired position.
S Al low for 2 in. (51 mm) of cl earance under neath the furnace for the
condensa t e tr ap a nd drain li ne.
S Fi g. 10 shows the conde nsate trap and tubi ng befor e and af t er
relocation in the hori zontal ri ght position.
S Fi g. 11 shows the conde nsa t e tr ap a nd tubi ng bef ore and af ter
relocation in the hori zontal le f t posi tion.
S Re fer to the appr opriate fi gure to begi n the tra p conversi on.
S Re f er to Condens ate Drain se ction for infor m a tion how to ins t all the
condensa t e dra in.
Condensate Trap
Relief Port
Collector Box
Plugs
Pressure Switch
Port
Condensate Trap
Outlet
Condensate Trap
Relief Port
Collector Box
Plug
Vent Elbow
Vent Elbow Clamp
Vent Pipe Clamp
UPFLOW TRAP CONFIGURATION
1 & 2 Stage Units
A11307
Fig. 8 -- Upflow Trap Configuration
(Appearance may vary)
59SP2A
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