
Note - It is recommended that rack be converted to 20 inch filter size if filter is installed elsewhere in return air duct.
4 - Cut four strips from
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,
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
2- Position supply air transition on unit top as shown in figure 4 or 5.
3- If required, internally insulate transition with
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,
condensing unit installation instructions for
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
Note - See G26 installation instructions for heat anticipation settings.
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