036-21581-001 Rev. B (0904)
4
Unitary Products Group
NOTES:
1. Airflow expressed in standard cubic feet per minute (CFM) and in cubic meters per minute (m
3
/min).
2. Return air is through side opposite motor (left side).
3. Airflows above 1800 CFM (50.97 m
3
/min) require either return from two sides or one side plus bottom.
4. Motor voltage at 115 V.
5. NR = Operation at this static pressure is not recommended.
BLOWER PERFORMANCE CFM
AIRFLOW WITH BOTTOM OR ONE SIDE RETURN
MODELS
Speed
Tap
EXTERNAL STATIC PRESSURE, INCHES W.C. (kPa)
Input/
Airflow/cabinet
0.1
0.2 0.3
0.4
0.5
0.6
0.7 0.8
0.9
1.0
CFM CFM CFM CFM CFM CFM CFM CFM CFM CFM
PT9A12N040UP11
HIGH 1395
1330
1265
1200
1120
1030
940
820
NR
NR
M-HI 1025
990
960
925
885
825
750
660
NR
NR
M-LO 785
765
745
715
670
625
545
NR
NR
NR
LOW 640
605
590
565
530
465
405
NR
NR
NR
PT9B12N060UP11
PT9B12N080UP11
HIGH 1650 1605 1570 1525 1465 1410 1350 1275 1170 1060
M-HI 1165 1185 1175 1165 1150 1140 1100 1050 970 875
M-LO
895 915 935 940 940 920 905 860 815 750
LOW
710 725 725 725 720 700 685 660 625 560
PT9C20N100UP11
HIGH 2300
2210
2120
2020
1930
1830
1715
1595
1480
1350
M-HI 1950
1900
1830
1755
1680
1595
1500
1390
1270
1155
M-LO 1610
1545
1490
1440
1390
1315
1230
1155
1050
920
LOW 1325
1270
1225
1175
1105
1045
990
905
890
790
PT9C16N080UP11
PT9C16N100UP11
HIGH 1960 1955 1925 1890 1830 1765 1695 1615 1600 1485
M-HI 1565 1560 1560 1575 1545 1530 1475 1425 1365 1260
M-LO 1230 1275 1285 1300 1310 1300 1280 1245 1190 1070
LOW
930 945 965 975 975 975 975 950 910 850
PT9D20N120UP11
HIGH 2560 2485 2410 2320 2220 2135 2035 1920 1785 1650
M-HI 2090 2050 1990 1970 1885 1820 1760 1675 1545 1405
M-LO 1695 1675 1665 1615 1565 1510 1460 1385 1285 1140
LOW 1175 1150 1135 1110 1085 1055 1005 980 970 845
AIRFLOW WITH TWO SIDE RETURNS OR WITH BOTTOM AND ONE SIDE RETURN
MODELS
Speed
Tap
EXTERNAL STATIC PRESSURE, INCHES W.C. (kPa)
Input/
Airflow/cabinet
0.1
0.2 0.3
0.4
0.5
0.6
0.7 0.8
0.9
1.0
CFM CFM CFM CFM CFM CFM CFM CFM CFM CFM
PT9C20N100UP11
HIGH 2465
2380
2295
2195
2095
1995
1875
1760
1620
1470
M-HI 2085
2035
1960
1880
1800
1705
1605
1485
1360
1235
M-LO 1725
1625
1595
1540
1485
1405
1315
1235
1125
995
LOW 1420
1360
1310
1255
1180
1120
1070
970
950
845
PT9D20N120UP11
HIGH 2615 2535 2450 2385 2285 2175 2075 1945 1825 1670
M-HI 2055 2045 2015 1985 1932 1855 1785 1730 1605 1470
M-LO 1690 1650 1620 1600 1570 1525 1470 1395 1300 1200
LOW 1345 1335 1335 1285 1250 1230 1180 1115 1010 850
BLK
WHT
GRN
BLK (HOT)
WHT (NEUTRAL)
GRN
NOMINAL
120 VOLT
LINE WIRING CONNECTIONS
SINGLE STAGE HEATING
THERMOSTAT CONNECTIONS
SINGLE STAGE HEATING AND TWO-STAGE COOLING
THERMOSTAT CONNECTIONS
ROOM
THERMOSTAT
FURNACE
CONTROL
CONDENSING
UNIT
TO AIR CONDITIONER
CONTROLS
R
W
G
Y1
C
R
G
C
COMMON T’STAT CONNECTION
Y2
Y1
W1/W
Y/Y2
ROOM
THERMOSTAT
FURNACE
CONTROL
CONDENSING
UNIT
TO AIR CONDITIONER
CONTROLS
R
W
G
Y
C
R
G
C
COMMON T’STAT CONNECTION
W1/W
Y/Y2
ROOM
THERMOSTAT
FURNACE
CONTROL
CONDENSING
UNIT
TO AIR CONDITIONER
CONTROLS
R
W1
W2
G
Y2
R
G
COMMON T’STAT CONNECTION
Y1
Y1
W1/W
C
C
W2
Y/Y2
TWO-STAGE HEATING AND TWO-STAGE COOLING
THERMOSTAT CONNECTIONS
