International comfort products A Series Installation Instructions Manual page 22

Table 9 – Filter Media Pressure Drop (Clean) Versus Airflow - - In. W.C. (Pa)
16x 25 Filter
CFM L/s
600 (283)
800 (378)
1000 (472)
1200 (566)
1400 (661)
1600 (755)
1800 (850)
20 x 25 Filter
CFM (L/s)
800 (378)
1000 (472)
1200 (566)
1400 (661)
1600 (755)
1800 (850)
2000 (944)
2200 (1038)
If the filter size that you are looking for is not contained in Table 9, refer to Table 10 for a comparison of Pressure Drop (initial/clean resistance to airflow) versus Face Velocity
for a variety of filter media types.
The following equations relate Face Velocity (FPM), Filter Area and Airflow (CFM):
Filter Face Velocity = Airflow / Filter Area
Minimum Filter Area = Rated System Airflow / Maximum Filter Face Velocity
Table 10 – Filter Media Pressure Drop (Clean) Versus Face Velocity- - In. W.C. (Pa)
Factory-Accessory
Face Velocity
FPM (m/s) (1-in. / 2.5 cm)
200 (1) 0.04
300 (1.5) 0.05
400 (2) 0.07
500 (2.5) 0.08
600 (3) 0.09
700 (3.6) 0.10
* Representative estimates from filter manufacturer data sheets.
See manufacturers' specifications for pressure drop versus airflow data for specific filter media.
WIRE LEAD
UNIT SIZE COLOR
Gray
Yellow
Blue
0601716
Orange
Red
5, 6
Gray
5, 6
Blue
Yellow
0802120
Orange
7
Red
5, 6
Gray
5, 6
Blue
Yellow
1002120
Orange
7
Red
5, 6
Gray
5, 6
Blue
Yellow
1002122
Orange
7
Red
NOTE:
1. A filter is required for each return ---air inlet. Airflow performance includes a 3/4 ---in. (19 mm) washable filter media such as contained in a
factory ---authorized accessory filter rack. See accessory list
0.1 in. w.c. available external static pressure.
2. ADJUST THE BLOWER SPEED TAPS AS NECESSARY FOR THE PROPER AIR TEMPERATURE RISE FOR EACH INSTALLATION.
3. The "Function" column identifies which speed taps can be used for heating.
4. If the same motor speed tap is needed for heating and cooling, a Jumper Wire accessory kit is available, seeSpecification sheet for the current Jumper
Wire accessory part number. Reference the "Start---up, Adjustments, and Safety Check" section for further Jumper Wire instructions.
5. Airflows over 1800 CFM require bottom return, two ---side return, or bottom and side return. A minimum filter size of 20" x 25" (508 x 635 mm) is required.
6. 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.
7. The " ---" entry indicates an unstable operating condition.
22
Factory-Accy
Washable
(1-in. / 2.5 cm) (1-in. / 2.5 cm)
0.04 (10) 0.06
0.05 (13) 0.08
0.06 (16) 0.11
0.07 (18) 0.14
0.08 (21) 0.18
0.09 (23) 0.21
0.10 (25) 0.26
Factory-Accy
Washable
(1-in. / 2.5 cm) (1-in. / 2.5 cm)
0.04 (11) 0.06
0.05 (13) 0.08
0.06 (15) 0.11
0.07 (17) 0.13
0.08 (19) 0.16
0.08 (21) 0.18
0.09 (23) 0.21
0.09 (24) 0.25
Washable
(1-in. / 2.5 cm)
(10) 0.05
(14) 0.09
(17) 0.13
(21) 0.18
(23) 0.23
(26) 0.29
Table 11 – Air Delivery - - CFM (With Filter)
2, 3
SPEED TAP
(function)
Cooling. Do not use for Heating
Alt. Cooling. Do not use for Heating
Heating or Alt. Cooling
Alt. Heating or Alt. Cooling
Alt. Cooling. Do not use for Heating
Cooling. Do not use for Heating
Heating or Alt. Cooling
Alt. Heating or Alt. Cooling
Alt. Cooling. Do not use for Heating
Alt. Cooling. Do not use for Heating
Cooling Do not use for Heating
Heating or Alt Cooling
Alt Cooling. Do not use for Heating
Alt Cooling. Do not use for Heating
Alt Cooling. Do not use for Heating
Cooling Do not use for Heating
Heating or Alt Cooling
Alt Cooling. Do not use for Heating
Alt Cooling. Do not use for Heating
Alt Cooling. Do not use for Heating
inSpecification
Specifications subject to change without notice.
Representative After-Market Filter Media*
Fiberglass*
(2-in. / 5 cm)
(15) 0.09 (22)
(21) 0.13 (32)
(28) 0.17 (43)
(36) 0.22 (56)
(45) 0.28 (70)
(54) - -
(64) - -
Representative After-Market Filter Media*
Fiberglass*
(2-in. / 5 cm)
(16) 0.09 (24)
(21) 0.13 (32)
(27) 0.16 (41)
(33) 0.20 (51)
(40) 0.24 (61)
(47) 0.29 (73)
(54) - -
(62) - -
Representative After-Market Filter Media*
Fiberglass*
(2-in. / 5 cm)
(13) 0.08 (20)
(22) 0.13 (34)
(32) 0.20 (50)
(44) 0.27 (69)
- - -
- - -
EXTERNAL STATIC PRESSURE (IN.W.C.)
0.1 0.2 0.3
1670 1635 1595 1555 1515 1475 1435 1395 1360 1315
1465 1420 1385 1345 1310 1265 1225 1180 1135 1095
1215 1170 1125 1085 1050 1005
1120 1065 1025
945 895 855
2165 2135 2115 2070 2025 1980 1930 1885 1835 1790
1800 1755 1715 1670 1620 1575 1525 1475 1425 1380
1645 1595 1550 1510 1460 1410 1365 1315 1265 1220
1505 1450 1410 1360 1310 1265 1215 1170 1120 1080
885 785 705
2215 2180 2140 2100 2065 2035 1995 1960 1925 1890
1890 1850 1810 1770 1730 1690 1650 1610 1565 1520
1695 1650 1605 1560 1515 1475 1425 1380 1325 1280
1270 1215 1155 1100 1040
800 715 630
2185 2145 2110 2070 2025 1985 1950 1915 1880 1840
1910 1865 1820 1775 1730 1690 1645 1595 1545 1500
1705 1655 1610 1560 1510 1460 1400 1345 1295 1245
1495 1440 1385 1330 1270 1205 1145 1090 1030
845 745 655
sheet. To determine airflow performance without this filter, assume an additional
Pleated*
(1-in. / 2.5 cm) (2-in. / 5 cm)
0.20 (51) 0.13
0.29 (72) 0.20
- - 0.27
- - -
- - -
- - -
- - -
Pleated*
(1-in. / 2.5 cm) (2-in. / 5 cm)
0.22 (55) 0.15
0.29 (72) 0.20
- - 0.25
- - 0.31
- - -
- - -
- - -
- - -
Pleated*
(1-in. / 2.5 cm) (2-in. / 5 cm)
0.18 (47) 0.12
0.30 (75) 0.21
- - 0.31
- - -
- - -
- - -
0.4 0.5 0.6 0.7 0.8
965 925
980 940 900 860 815
805 765 715 670 625
645 570 495 430 360
980 925 865
550 475 390 320 ---
560 445 --- --- ---
440 01 4601 01
(34)
(49)
(67)
-
-
-
-
(37)
(49)
(63)
(79)
-
-
-
-
(31)
(52)
(78)
-
-
-
0.9 1.0
880 830
770 720
570 530
295 ---
810 765
--- ---
970
--- ---