Payne PG8MAA Series G Installation, Start-Up, Operating And Service And Maintenance Instructions page 15

FURNACE RETURN---AIR
SIZE INLET
135---16/ Bottom or
048135
Side(s)
Bottom Only
Bottom, Sides
135---22/
or 1 Side & Bot-
066135
tom
1 Side Only
Bottom Only
155---20/ Both Sides Or 1
060155 Side & Bottom
1Side Only
* A filter is required for each return ---air inlet. Airflow performance included 3/4 ---in. (19 mm) washable filter media such as contained in factory ---authorized ac-
cessory filter rack. To determine airflow performance without this filter, assume an additional 0.1 In. W.C. available external static pressure.
--- --- Indicates unstable operating conditions.
UPFLOW
90
120
MIN
Table 5 Air Delivery - - CFM (with Filter)* (Continued)
SPEED
0.1 0.2
High 2065 2000
Med --- High 1790 1755
Med --- Low 1480 1480
High 2445 2365
Med --- High 2130 2080
Med --- Low 1860 1830
High --- --- --- ---
Med --- High 2120 2075
Med --- Low 1860 1830
High --- --- --- ---
Med --- High 2070 2015
Med --- Low 1860 1830
High 2465 2430
Med --- High 2115 2095
Med --- Low 1800 1790
High --- --- --- ---
Med --- High 2155 2125
Med --- Low 1800 1790
High --- --- --- ---
Med --- High 2140 2085
Med --- Low 1800 1790
DOWNFLOW
YES
YES
120
MIN
NO
Fig. 14 --- Duct Flanges
EXTERNAL STATIC PRESSURE (In. W.C.)
0.3 0.4 0.5 0.6
1930 1835 1710 1590
1705 1640 1550 1465
1480 1450 1380 1295
2280 2190 2085 1980
2025 1960 1880 1795
1800 1755 1705 1630
2355 2280 2160 2065
1995 1970 1905 1835
1800 1755 1725 1630
2215 2130 2030 1920
1970 1935 1855 1765
1800 1755 1725 1630
2375 2305 2215 2110
2055 2005 1940 1845
1770 1735 1695 1640
2375 2285 2185 2105
2075 2015 1935 1830
1770 1735 1695 1640
2260 2180 2070 1975
2020 1950 1850 1745
1770 1735 1695 1640
HORIZONTAL
90
YES
YES
120
MIN
NO
15
0.7 0.8 0.9 1.0
1420 1235 1025 835
1295 1145 945 775
1160 1005 855 670
1850 1705 1520 1355
1690 1550 1405 1255
1530 1415 1280 1140
1930 1805 1655 1465
1735 1645 1515 1325
1530 1415 1280 1140
1795 1675 1540 1385
1655 1550 1445 1265
1530 1415 1280 1140
2000 1865 1715 1530
1820 1675 1525 1390
1570 1465 1345 1225
1995 1870 1720 1555
1780 1635 1485 1365
1570 1465 1345 1225
1865 1740 1595 1440
1695 1545 1415 1290
1570 1465 1345 1225
YES
YES
NO
A02020