COMBUSTIBLE FLOOR BASES
RXGC - 817/821/824
(Downflow units only)
To maintain the proper clearance
between a downflow furnace and a
combustible floor, install a
combustible floor base where a
furnace is installed on a combustible
floor. See the installation and
operating instructions for the correct
combustible floor base part number
or refer to Table 8.
TABLE 8
COMBUSTIBLE FLOOR BASE
COMBUSTIBLE
FLOORBASE
USE WITH
FURNACESIZES
RXGC-B17
04. 06, 07 (Std.)
RXGC-B21 07(W), 09. 10
RXGC-B24 12
FOSSIL FUEL KITS
RXPF- F01
RXPF- F02
The kit enables a heat pump to
utilize this furnace as auxiliary heat.
It consists of relays and controls to
cycle the furnace during a second
stage heat call and during defrost.
The RXPF-F02 kit uses a solid state
control and meets TV A
requirements.
DO NOT USE any other fossil fuel
kits with this furnace.
FIGURE 16
COMBUSTIBLE FLOOR BASE
FIGURE 17
RETURN AIR CABINET
ACCESSORY
RETURN AIR
CABINETS
Return Air
Cabinets may be
Installed on rear or
either side
application except
RXGR-C24B (side
application must
be on side
opposite gas and
electrical THE RXGR-C24B MAY ONLY BE INSTALLED
connections).
ON REAR AND LEFT SIDES.
RETURN AIR CABINETS
► RXGR, C17B, C21 B, C24B
(Upflow units only)
Return air cabinets attach on the rear or either side,
preferably opposite the gas and electrical connections of
the upflow furnace. The exception is the RXGR-C24B
which may be installed on the rear or left side only.
See Table 9.
TABLE 9
RETURN AIR CABINETS
CABINET A B FILTERSIZE
RXGR-C17B 17½ 16
11
/n
(2) 12x16
RXGR-C21B 21
192
7
132
(2) 20x16
RXGR-C24B 24½ 23
11
/32 (2) 24x16
19