{Recommended filter sizes for field---installed air filter grilles mounted on the wall or ceiling of the conditioned structure. 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 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.
Table 1—Physical Data (Con't) - - Unit 48XL- -A
48090
48115
4
4
90,000
115,000
558
558
253
253
15.3
15.3
6.9
6.9
4 Ton
4 Ton
3300
3300
22
22
559
559
1/4 (1100)
1/4 (1100)
2...21
2...21
19.4
19.4
3...17
3...17
5.7
5.7
Variable based on Comfort Roll back (see User Interface instructions for more information).
Comfort and performance 13 and 14 seer single packaged air conditioner and gas furnace system with puron (r-410a) refrigerant single and three phase 2 - 5 nominal tons (sizes 24 - 60) (11 pages)