7
■
Typical filter sizes are shown; however, any combination of
filters whose area equals or exceeds the minimum area
shown is satisfactory.
If a central return air filter-grille is used, the air handler does not
require a filter.
Make Electrical Connections
208/240 Volt Installations
1. Disconnect all power supplies.
2. Remove the blower access panel.
3. Route the field supply wires to the air handler electrical
connection box.
4. Using UL-listed wire connectors, connect the field supply
wires to the air handler (black to black and yellow to yellow).
5. Connect ground wire to terminal marked “GND.”
6. Replace the blower access panel.
208 Volt Conversion
1. Disconnect all power supplies.
2. Remove the blower access panel.
3. Move the 2 connected black transformer leads from the
240 Volt terminal on the transformer to the 208 Volt terminal
on the transformer. See the appropriate wiring diagram for
your model.
Minimum Filter Requirements Chart
Nominal Tons
Air Conditioning
and Nominal
Airflow
Sq. In. (cm
2
) Surface Area
and Nominal Size—In. (cm)
Minimum
Return Air
Free
Area—sq.
in. (cm
2
)
Disposable
Filters
Cleanable
Filters
Up to 2 Tons
800 to 900 CFM
432 (2,787)
20 x 25
(50.8 x 63.5)
260 (1,677)
15 x 20
(38.1 x 50.8)
260 (1,677)
2
¹⁄₂
Tons
900 to 1,000 CFM
480 (3,097)
20 x 30
(50.8 x 76.2)
288 (1,858)
14 x 25
(35.6 x 63.5)
288 (1,858)
3 Tons
1,100 to 1,300 CFM
576 (3,716)
*14 x 25
(35.6 x 63.5)
346 (2,232)
16 x 25
(40.6 x 63.5)
346 (2,232)
3
¹⁄₂
Tons
1,300 to 1,500 CFM
672 (4,335)
*16 x 25
(40.6 x 63.5)
404 (2,606)
20 x 25
(50.8 x 63.5)
404 (2,606)
4 Tons
1,500 to 1,700 CFM
768 (4,955)
*20 x 25
(50.8 x 63.5)
461 (2,974)
20 x 25
(50.8 x 63.5)
461 (2,974)
5 Tons
1,900 to 2,100 CFM
960 (6,194)
*20 x 30
(50.8 x 76.2)
576 (3,716)
24 x 25
(61 x 63.5)
576 (3,716)
*2 disposable filters required for these units
Goodman 6
HIGH VOLTAGE!
WARNING
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage,
personal injury or death.
Goodman 22
To avoid the risk of fire or equipment damage, use
copper conductors.
WARNING
Goodman 40
WARNING
To avoid the risk of personal injury, wiring to the unit must
be properly polarized and grounded.
Goodman 41
WARNING
All wiring must comply with applicable local and national
codes. Type and location of fused disconnect switch(es)
must comply with all applicable codes and provide over-
current protection as shown on the nameplate.
Goodman 6
HIGH VOLTAGE!
WARNING
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage,
personal injury or death.
