Goodman Mfg RT6621031r2 Thermostats, Filters backup, Product Design, Furnace Input, Filter Size

PRODUCT DESIGN

Thermostats:

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.

THERMOSTATS

Thermostat	Man/Auto	Programmable	Cool	Heat	Batt. Powered	Batt. Bkup
1213406*	Man. Or Auto	Yes	2	3	No	No
1213407	Man. Changeover	Yes	2	2	Yes	Yes
1213411	Man. Changeover	No	2	2	Yes	No

*1213406 is the recommended model for the G*S* furnaces when used with a heat pump in a fossil fuel application.

It is NOT for use with the G*S8 as a sole heating source. 1213406 thermstats are 24V powered with battery

Filters: backup.

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

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)
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

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 for DISPOSABLE FILTERS

FURNACE INPUT	FILTER SIZE
40M	320 in2
60M	483 in2
80M	640 in2
100M	800 in2
120M	738 in2
140M	738 in2

DISPOSABLE NOMINAL 300 F.M. FACE VELOCITY

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