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NOTE:
See Fig. l0 or robe routing
label on main fi/rnace
door to
check
for proper
connections
Modif}" robe as described
below
l. Disconnect
collector
box pressure
tube (pink label) attached
to
pressure
switch.
2. Use
smaller
diameter
tube
(factory-supplied
in loose
parts
bag) to extend
tube disconnected
in item
1
3. Route
extended
robe:
a. Behind
inducer
housing.
b. Between
blower
shelf and inducer
housing.
c. Behind
inducer
motor bracket.
d. Between
inducer
motor and pressure
switch.
4. Determine
appropriate
length,
cut,
and
reconnect
tube
to
pressure
switch
connection
labeled
COLLECTOR
BOX.
CONDENSATE
TRAP
FREEZE
PROTE(TION
Refer
to Condensate
Drain
Protection
section
for recommenda=
tions and procedures.
CONSTRUCT
A WORKING
PLATFORM
Constr_/ct
working
platfbrm
where
all required
[:umace
clearances
are met, (See Fig. 3 and 11.)
UNIT
MAY
NOT
OPERATE
Failure
to %llow
this caution
may result
in intermittent
unit
operation.
The condensate
trap MUST
be installed
below
f:urnace
See
Fig. 5 fbr dimensions
The drain
connection
m condensate
t_ap must also be properly
sloped
to an open drain.
NOTE:
Combustion°air
and vent pipes
are restricted
to a mini-
mma_ length
of 5 it. (See Table
7.)
NOTE:
A 12°in. minimum
offset pipe
section
is recommended
with
short
(5 to 8 ft) vent
systems.
This recommendation
is to
reduce
excessive
condensate
droplets
fiom
exiting
the vent pipe.
(See Fig. 11 or 34j
Step
5--Horizontal
Right
{SupplyoAir
Discharge)
Applications
A horizontal
right furrmce
application
is where
furnace
blower
is
located
to the left of combustion
and controls
section
of fi/rnace,
and conditioned
air is discharged
to the right.
MINOR
PROPERTY
DAMAGE
Failure
to %llow
this caution
may result
in minor
property
damage
Local codes may require
a drain pan under entire [:umace
and
condensate
trap when
a condensing
f_/mace
is used
in attic
application
or over
a finished
ceiling.
NOTE:
In Canada,
installations
shall
be
in accordance
with
current
NSCNGPIC
Installation
Codes
andor
local codes
INTAKE
30" MIN
MIN HORIZONTAL
PiPE
SECTION
IS RECOMMENDED
WITH
SHORT
(5 TO 8 FT) VENT
SYSTEMS
TO REDUCE
EXCESSIVE
CONDENSATE
DROPLETS
FROM
EXITING
THE
VENT
PIPE.
SHUTOFF
GAS VALVE
SEDIMENT
TRAP
CONDENSATE
TRAP
DRAIN
NOTE:
LOCAL
CODES
MAY REQUIRE
A DRAIN
PAN UNDER
THE
FURNACE
AND CONDENSATE
TRAP WHEN
A CONDENSING
FURNACE
IS INSTALLED
ABOVE
FINISHED
CEILINGS.
Fig. 11--Attic
Location
and Working
Platform
11
ACCESS
OPENING
FOR TRAP
A93031
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