*Required filter sizes shown are based on the larger of the AHRI (Air Conditioning Heating and Refrigeration Institute) rated cooling airflow or the heating airflow
velocity of 300 ---350 ft/minute for throwaway type or 450 ft/minute for high ---capacity type. Air filter pressure drop for non ---standard filters must not exceed 0.08
IN. W.C.
{ If using accessory filter rack refer to the filter rack installation instructions for correct filter size and quantity.
SIZE
AIRFLOW (CFM)
Table 1 – Physical Data
24
2
365
166
7.5
3.4
0.032 (2)
0.81 (2)
1...21
15.4
2500
24
610
1/12 (810)
3...17
3.7
800
10 x 10
254 x 254
1/2
2 each 20x12x1 in.
508x305x25 mm
Table 2 – Minimum Airflow for Reliable Electric Heater Operation (CFM)
Comfort 13 and 14 seer single packaged heat pump system with puronr (r-410a) refrigerant single and three phase 2-5 nominal tons (sizes 24-60) (6 pages)