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Note - It is recommended
that rack be converted
to 20 inch filter size if filter is installed
elsewhere
in return air duct.
3-In
applications
where
rack
uses
a 16 inch
(50.8cm) filter, remove filler piece before cutting
rack opening.
See figure 4.
4 - Cut four strips from rollofadhesive-backedfoam
tape (provided)
to fit filter rack flanges, Apply to
flanges.
5 - Secure filter rack to cabinet as shown in figure 4.
6 - Cut opening
in filter rack as shown in figure 4,
7 - In applications
where rack uses a 16 inch (50,8cm)
filter, remove
rack from cabinet,
re-install
filler
piece, then re-install rack to cabinet.
8-Install
existing
filter,
unless
filter
is located
elsewhere
in the return air duct,
9-
Attach
door
to filter
rack with
thumb
screws
provided.
II - Internal Filter Rack
(Used with kit CAT#16L25)
Note - If filter is not to be located
inside
of unit,
installation
of this filter kit is not required.
1 - Lay G26 unit on its side and cut out return
air
opening
in cabinet at knockout
guides, See G26
installation
instructions.
2 - Install filter
rack top and bottom
inside unit as
shown
in figure
5, tn right
side installations
wiring
must be carefully
worked
around.
3 - Install existing
filter,
4 - Slide door into filter rack bottom seam and align
with filter
rack top securing
hole. Attach
with
thumb screws provided.
5- Securewiring
awayfrom
filter access areawith two
provided wire ties. Use existing screws in existing
screw locations to prevent accidental
damage to
control board(s)/wiring
by drilling of new holes.
B - Supply Air Transition Installation
1 - Cut four strips from roll ofadhesive-backedfoam
tape (provided)
to fit supply air transition
flanges
at G26 unit connection.
Apply
to flanges.
See
figure 4 or 5,
2-
Position
supply
air transition
on unit
top
as
shown in figure 4 or 5.
3-
If required,
internally
insulate
transition
with
foil-faced
insulation
(field provided)
and fasten
with kit provided
insulation
pins and washers,
4-
Use four
screws
and/or
bend cabinet
flanges
over transition
tips to secure transition.
C - Unit Installation
1 - Align unit with existing
supply
air plenum
(coil
cabinet
in air conditioning
applications)
and
return air plenum.
Note - If required,
use existing
G14 isomode pads
to achieve this alignment.
2 - Make connections
to unit, In bottom
return
air
applications,
follow
the instructions
provided
with the G26 unit, note especiallythe
warnings
in
the "Return Air Opening Guidelines"
section.
3 - ff air conditioning
coil was removed, re-install
coil,
reconnect
line
set
and coil
drain.
See
condensing
unit
installation
instructions
for
re-processing
of refrigerant
system.
Note - Coil drain line must not be connected to
heat exchanger
condensate
drain
line. If lines
were connected, debris
from
evaporator
could
affect heat exchanger
operation.
4-
Make tow voltage
wiring
entrance
to unit on
opposite
side from
return
air connection
to
prevent
blocking
filter
access.
Connect
as
illustrated
in G26 installation
instructions.
5 - Connect high voltage
wiring
as outlined
in G26
installation
instructions,
6-
Connect
gas
piping
as
outlined
in
G26
installation
instructions.
Consult
local
codes
for
flexible
connector
installation restrictions on G26 furnace.
7 - Connect venting
as outlined
in G26 installation
instructions.
Note
-
Mufflers
can
not
be
used
in
G26
installation.
Check existing
venting
for size
(diameter
and
length).
It
should
meet
the
specifications
as
outlined
in G26 installation
instructions.
8 - Connect heat exchanger condensate
drain line as
shown
in figure
6 and as outlined
in G26 unit
installation
instructions,
(A 1/2" PVCto 1/2" CPVC
bushing
is provided
for
connecting
PVC to
existing
CPVC condensate
line,)
9 - Continue with Unit Start-up
Section as outlined
in G26 installation
instructions.
Note - See G26 installation
instructions
for heat
anticipation
settings.
Page 4
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