PRODUCT DESIGN
Thermostats:
The following Amana® brand Thermostats are suggested for use with the AMH8 Furnace Models:
THERMOSTATS
Thermostat
Mech./Digital
Programmable 
Cool 
Heat
Mechanical | Yes | Yes | Yes | |
|
|
|
|
|
CH70TG | Digital | No | Yes | Yes |
|
|
|
|
|
CHSATG | Mechanical | Yes | Yes | Yes |
|
|
|
|
|
H20TWR | Mechanical | Yes | No | Yes |
|
|
|
|
|
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
Side Return(s)
| Cabinet | Nominal | Approx. |
|
| Width | Filter Size | Flow Area |
|
| (in.) | (in.) | (in2) |
|
|
|
|
|
|
| All | 16 x 25 x 1 | 400 |
|
|
|
|
|
|
Bottom Return
Cabinet | Nominal | Approx. |
Width | Filter Size | Flow Area |
(in.) | (in.) | (in2) |
|
|
|
14 | 12 x 25 x 1 | 300 |
14 x 25 x 1 | 350 | |
21 | 16 x 25 x 1 | 400 |
20 x 25 x 1 | 500 |
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.
MINIMUM FILTER SIZES
FURNACE INPUT | FILTER SIZE | TYPE |
45M | 160 in2 | permanent |
70M | 241 in2 | permanent |
90M | 320 in2 | permanent |
115M | 400 in2 | permanent |
140M | 370 in2 | permanent |
45M | 320 in2 | disposable |
70M | 483 in2 | disposable |
90M | 640 in2 | disposable |
115M | 800 in2 | disposable |
140M | 738 in2 | disposable |
PERMANENT NOMINAL 600 F.M. FACE VELOCITY
DISPOSABLE NOMINAL 300 F.M. FACE VELOCITY
10
