Carrier PG96VAT Manual page 32

Table 9 − Cooling
Unit Size Cooling Switch Settings
SW2­8 SW2­7
60080
Clg Default:
OFF
OFF
OFF
OFF
Cooling (SW2)
ON
ON
ON
ON
Clg SW2:
Maximum Clg Airflow
Heating
High Heat Airflow
(SW1)
Low Heat Airflow
Unit Size Cooling Switch Settings
SW2­8 SW2­7
60100
Clg Default:
OFF
OFF
OFF
OFF
Cooling (SW2)
ON
ON
ON
ON
Clg SW2:
Maximum Clg Airflow
Heating
High Heat Airflow
(SW1)
Low Heat Airflow
Unit Size Cooling Switch Settings
SW2­8 SW2­7
66120
Clg Default:
OFF
OFF
OFF
OFF
Cooling (SW2)
ON
ON
ON
ON
Clg SW2:
Maximum Clg Airflow
Heating
High Heat Airflow
(SW1)
Low Heat Airflow
1. Nominal 350 CFM/ton cooling airflow is delivered with SW1­5 and SW2-2 set to OFF.
Set both SW1­5 and SW2-2 to ON for +7% airflow (nominal 370 CFM/ton).
Set SW1­5 to ON and SW2-2 to OFF for +15% airflow (nominal 400 CFM/ton).
Set SW2-2 to ON and SW1­5 to OFF for ­7% airflow (nominal 325 CFM/ton).
The above adjustments in airflow are subject to motor horsepower range/capacity.
2. Maximum cooling airflow is achieved when switches SW2­6, SW2­7, SW2­8 and SW1­5 are set to ON, and SW2-2 is set to OFF.
3. All heating CFM's are when low heat rise adjustment switch (SW1­3) and comfort/efficiency adjustment switch (SW1­4) are both set to OFF.
4. Ductwork must be sized for high­heating CFM within the operational range of E.S.P. Operation within the blank areas of the chart is not recommended
because high­heat operation will be above 1.0 E.S.P.
5. All airflows of 1800 CFM or less on 21" and 24.5" casing size furnaces are 5% less on side return only installations.
6. Return air above 1800 CFM on 24.5" casing requires two sides, one side and bottom, or bottom only to allow sufficient airflow to the furnace.
7. For upflow applications, air entering from one side into both the side of the furnace and a return air base counts as a side and bottom return.
8. Airflow not stable at this E.S.P.
4
and Heating Air Delivery − CFM (Bottom Return
(SW1­5 and SW2-2 set to OFF, except as indicated. See notes 1 and 2.)
SW2­6 0.1
OFF OFF 1905
OFF ON 950
ON OFF 1015
ON ON 1155
OFF OFF 1335
OFF ON 1520
ON OFF 1905
ON ON 2290
2
2290
3
1575
3
1230
SW2­6 0.1
OFF OFF 1890
OFF ON 1015
ON OFF 1080
ON ON 1155
OFF OFF 1310
OFF ON 1520
ON OFF 1890
ON ON 2290
2
2290
3
1905
3
1480
SW2­6 0.1
OFF OFF 2010
OFF ON 1015
ON OFF 1075
ON ON 1205
OFF OFF 1400
OFF ON 1615
ON OFF 2010
ON ON note 8
2
note 8
3
note 8
3
1735
5
External Static Pressure (ESP) In. W.C.
0.2 0.3 0.4 0.5
1870 1825 1785 1750
770 620 515 440
935 880 825 765
1105 1040 990 920
1290 1245 1190 1145
1485 1435 1390 1340
1870 1825 1785 1750
2230 2160 2085 2005
2230 2160 2085 2005
1535 1485 1445 1400
1170 1125 1065 1015
External Static Pressure (ESP) In. W.C.
0.2 0.3 0.4 0.5
1845 1800 1755 1700
825 630 485 405
895 815 740 690
1080 1020 940 890
1260 1195 1140 1075
1475 1425 1365 1315
1845 1800 1755 1700
2230 2160 2085 2005
2230 2160 2085 2005
1865 1825 1775 1730
1435 1375 1330 1265
External Static Pressure (ESP) In. W.C.
0.2 0.3 0.4 0.5
1960 1910 1850 1800
805 645 550 480
975 915 835 765
1135 1055 1000 935
1330 1260 1190 1145
1550 1500 1435 1370
1960 1910 1850 1800
2375 2300 2205 2115
2375 2300 2205 2115
2375 2300 2205 2115
1675 1625 1560 1500
32
with Filter) (Continued)
0.6 0.7 0.8 0.9
1700 1665 1625 1560
365 See note 4
690 625 580
875 815 755 710
1085 1040 990 930
1300 1255 1200 1160
1700 1665 1625 1560
1915 1820 1730 1640
1915 1820 1730 1640
1350 1310 1260 1215
955 900 855 795
0.6 0.7 0.8 0.9
1655 1610 1560 1510
325 See note 4
615 555 475
825 785 710 660
1025 970 925 875
1255 1210 1155 1110
1655 1610 1560 1510
1915 1820 1730 1640
1915 1820 1730 1640
1685 1640 1590 1545
1215 1160 1115 1060
0.6 0.7 0.8 0.9
1750 1690 1645 1565
See note 4
See note 4
See note 4
1080 1035 970 905
1325 1265 1215 1160
1750 1690 1645 1565
2010 1890 1750 1645
2010 1890 1750 1645
2010 1890 1750 1645
1455 1395 1345 1285
1.0
1460
See note 4
645
890
1115
1460
1525
1525
1170
755
1.0
1460
See note 4
590
810
1055
1460
1525
1525
1490
1005
1.0
1480
845
1110
1480
1550
1550
1550
1225