Goodman GCH9 Technical Manual page 10

PRODUCT DESIGN
Thermostats:
NOTE: Complete lineup of thermostats can be found in the Thermostat Specification Sheets.
Filters:
Filters are required with this furnace and must be provided by the installer. The filters used must comply with UL900 or
CAN/ULCS111 standards. Installing this furnace without filters will void the unit warranty.
This furnace has provisions for the installation of return air filters at the side and/or bottom return. The furnace will
accommodate the following filter sizes depending on cabinet size:
Cabinet
Width
(in.)
Refer to Minimum Filter Area tables to determine filter area requirement. NOTE: Filters can also be installed elsewhere in
the duct system such as a central return.
COOLING AIRFLOW REQUIREMENT (CFM)
600 800
0453BXA* 388* 388*
0703BXA* --- 647*
0704CXA* ---
0904CXA* ---
0905DXA* ---
1155DXA* ---
*Minimum filter area dictated by heating airflow requirement.
Disposable Minimum Filter Area (in
[Based on a 300 ft/min filter face velocity]
10
Side Return(s)
Approx.
Nominal
Flow Area
Filter Size
(in.)
All 16 x 25 x 1
1000 1200 1400 1600
480 576 --- ---
647* 647* 672 ---
--- 583* 583* 672 768
--- 863* 863* 863* 863*
--- --- 777* 777* 777*
--- --- 971* 971* 971*
Upflow Filters
Bottom Return
Cabinet
Width
2
(in.)
(in )
400 17-1/2
21
24-1/2
2000
0453BXA*
---
0703BXA*
---
0704CXA*
---
--- 0904CXA*
0905DXA*
960
971* 1155DXA*
*Minimum filter area dictated by heating airflow requirement.
2
)
Permanent Minimum Filter Area (in
[Based on 600 ft/min filter face velocity]
Approx.
Nominal
Flow Area
Filter Size
2
(in.)
(in )
14 x 25 x 1 350
16 x 25 x 1 400
20 x 25 x 1 500
COOLING AIRFLOW REQUIREMENT (CFM)
600 800 1000 1200
194* 194* 240 288
--- 324* 324* 324*
--- --- 291* 291*
--- --- 432* 432*
--- --- --- 388*
--- --- --- 486*
1400 1600 2000
--- --- ---
336 --- ---
336 384 ---
432* 432* ---
388* 388* 480
486* 486* 486*
2
)