10
PRODUCT DESIGN
Thermostats:
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
Upflow Filters
Cabinet
Width
(in.)
Nominal
Filter Size
(in.)
Approx.
Flow Area
(in
2
)
Cabinet
Width
(in.)
Nominal
Filter Size
(in.)
Approx.
Flow Area
(in
2
)
All 16 x 25 x 1 400 17-1/2 14 x 25 x 1 350
21 16 x 25 x 1 400
24-1/2 20 x 25 x 1 500
BOTTOM RETURNSIDE RETURN
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.
Disposable Minimum Filter Area (in
2
)
[Based on a 300 ft/min filter face velocity]
*Minimum filter area dictated by heating airflow requirement. *Minimum filter area dictated by heating airflow requirement.
Permanent Minimum Filter Area (in
2
)
[Based on 600 ft/min filter face velocity]
600 800 1000 1200 1400 1600 2000
0604__XA --- --- 564* 564* 672 768
0605__XA --- --- --- 752* 752* 768 960
1005__XA --- --- --- 940* 940* 940* 960
600 800 1000 1200 1400 1600 2000
0604__XA --- --- 641* 641* 672 768 ---
0805__XA --- --- --- 854* 854* 854* 960
Input__Airflow
UPFLOW
COOLING AIRFLOW REQUIREMENT (CFM)
COUNTERFLOW
COOLING AIRFLOW REQUIREMENT (CFM)
Input
Airflow
600 800 1000 1200 1400 1600 2000
0604__XA --- --- 627* 627* 672 768 ---
0805__XA --- --- --- 836* 836* 836* 960
1005__XA --- --- --- 940* 940* 940* 960
600 800 1000 1200 1400 1600 2000
0604__XA --- --- 320* 320* 336 384 ---
0805__XA --- --- --- 427* 427* 427* 480
UPFLOW
COOLING AIRFLOW REQUIREMENT (CFM)
COUNTERFLOW
COOLING AIRFLOW REQUIREMENT (CFM)
Input
Airflow
Input__Airflow
It is recommended that a single-stage heat, non-power robbing thermostat be used. Refer to the product marketing
literature for a complete list of thermostats offered.
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