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262675-UIM-A-0806

Unitary Products Group

13

All MA series air handler units are UL Listed up to 0.50" w.c. external static pressure, including air filter, wet coil, and largest KW size heater.

TABLE 19: Air Flow Data - 60 Hz Models (230 & 460 Volt)

Models

MA

Models

MC

Blower Motor 

Speed

230 / 460 Volt - 60 Hz

CFM

@ External Static Pressure - IWC

0.1 0.2 0.3 0.4 0.5 0.6 

0.7 

0.8 

0.9 

08B

MC18B**H 

High 

1102 986 870 754 638 521 

405 

289 

173 

57 

Med. 

831 737 644 551 457 364 

271 

178 

84 

N/A 

Low 

615 537 458 379 300 221 

142 

63 

N/A 

N/A 

MC24B**H 

High 

1112 

1001 890 780 669 558 

447 

336 

225 

114 

Med. 

851 759 667 576 484 392 

300 

208 

116 

25 

Low 

643 562 480 399 317 236 

154 

73 

N/A 

N/A 

12B

MC30B**H 

High 

1511 1355 1199 1043  887  731 

576 

420 

264 

108 

Med.  1241 

1107 973 839 705 572 

438 

304 

170 

36 

Low 

1100 980 861 741 622 502 

383 

263 

144 

24 

MC36B**H 

High 1464 

1286 

1108 

929 

751 

573 

394 

216 

38 

N/A 

Med.  1195 

1050 905 761 616 471 

326 

181 

37 

N/A 

Low 

1073 944 815 687 558 429 

300 

172 

43 

N/A 

16C

MC42C**H 

High 

1959 1874 1802 1708 1606 1486 

1408 

1264 

953 

810 

Med. 

1631 1587 1542 1473 1395 1315 

1218 

967 

821 

533 

Low 

1447 1431 1401 1363 1304 1241 

1098 

844 

751 

712 

MC48C**H 

High 

2018 1895 1772 1649 1525 1402 

1279 

1156 

1033 

910 

Med. 

1684 1595 1506 1417 1328 1240 

1151 

1062 

973 

884 

Low 

1561 1476 1392 1308 1223 1139 

1055 

970 

896 

801 

14D

MC48D**H 

High 

1715 1671 1608 1547 1460 1338 

1232 

1003 

727 

508 

Med. 

1471 1438 1367 1318 1263 1180 

920 

824 

587 

503 

Low 

1379 1330 1276 1227 1157 1047 

866 

681 

567 

392 

MC60D**H 

High 

1763 1713 1649 1581 1511 1407 

1276 

995 

852 

N/A 

Med. 

1487 1462 1412 1356 1280 1210 

1087 

795 

726 

N/A 

Low 

1381 1353 1292 1225 1186 1057 

863 

780 

669 

N/A 

MC61D**H 

High 

1746 1699 1655 1579 1486 1399 

1264 

1093 

796 

581 

Med. 

1486 1442 1393 1333 1270 1189 

1081 

776 

628 

450 

Low 

1392 1336 1285 1226 1158 1061 

882 

740 

680 

445 

20D

MC48D**H 

High 

2226 2190 2103 2035 1931 1845 

1683 

1541 

1465 

1328 

Med. 

2115 2087 2017 1951 1851 1744 

1542 

1466 

1406 

1254 

Low N/A 

N/A 

N/A 

1716 

1643 

1554 

1451 

1379 

1292 

1151 

MC60D**H 

High 

2326 2235 2192 2107 2027 1906 

1786 

1538 

1469 

1368 

Med. 

2150 2089 2036 2008 1944 1852 

1692 

1499 

1416 

1295 

Low 

1737 1752 1745 1718 1676 1600 

1447 

1389 

1311 

1200 

MC61D**H 

High 

2357 2321 2254 2191 2139 1951 

1859 

1656 

1556 

1472 

Med. 

2212 2144 2111 2069 1986 1862 

1727 

1566 

1498 

1369 

Low 

1765 1783 1803 1779 1723 1646 

1514 

1442 

1381 

1245 

1. Includes return air filter, coil, and 10kW electric heater.

Summary of Contents for MA

Page 1: ...justment alteration service or mainte nance can cause injury or property damage Refer to this manual for assistance or for additional information consult a qualified con tractor installer or service a...

Page 2: ...n as a unit is received it should be inspected for possible dam age during transit If damage is evident the extent of the damage should be noted on the carrier s freight bill A separate request for in...

Page 3: ...TRUCTIONS 1 Position blower casing over duct connection and secure such that the supply air end of the blower is down 2 Apply neoprene gasket to return air side of air handler 3 Place coil casing over...

Page 4: ...astened directly to the structure This unit is not designed for non ducted freeblow applications Size outlet plenum or transition to discharge opening sizes shown in Figure 3 Duct work should be fabri...

Page 5: ...orizontal left hand airflow application only Follow instructions with heater for modification SECTION V LOW VOLTAGE CONTROL CONNECTIONS The 24 volt power supply is provided by an internally wired low...

Page 6: ...is not present the control will sense an open limit condition and the blower will run continuously Hum Stat Jumper The HUM STAT jumper configures the control to monitor the humidity switch input With...

Page 7: ...switch closes the control will re energize electric heat according to the thermostat inputs using normal timings Fan On Lock Condition If the limit switch opens multiple times during a single call fo...

Page 8: ...I SOURCE 15 25 KW 25 KW SHOWN GND LUG POWER SUPPLY 1 GND LUG POWER SUPPLY 2 POWER SUPPLY 3 TYPICAL WIRING WITHOUT ELECTRIC HEAT GND LUG POWER SUPPLY GND LUG POWER WIRING 208 230 1 60 NOTE USE ONLY COP...

Page 9: ...Permanent Type Kit 1PF0602BK 1PF0602BK 1PF0603BK 1PF0603BK Filter Rack 1FR0621 1FR0621 1FR0624 1FR0624 Shipping Operating Weight lbs 139 133 139 133 162 156 162 156 1 Field Supplied TABLE 8 Electrical...

Page 10: ...49 1 3 6 4 8 7 2 9 6 10 8 14 4 4HK16501806 0 5 Hi 13 2 17 6 45 1 60 1 3 3 4 4 6 6 8 8 13 2 17 6 4HK16502006 0 5 Hi 14 4 19 2 49 2 65 5 3 6 4 8 7 2 9 6 14 4 19 2 20DN21 4HK 6500806 0 5 Lo 5 6 7 5 19 2...

Page 11: ...0 100 110 3 2 20DN21 4HK 6500806 31 3 42 60 48 38 45 50 8 8 4HK 6501006 40 0 52 08 59 25 60 60 8 6 4HK16501506 60 0 73 75 84 25 90 90 3 3 4HK16501806 73 3 88 19 100 88 90 110 3 2 4HK16502006 80 0 95 4...

Page 12: ...1025 23 1 29 5 33 9 30 35 10 8 4HK06501525 34 7 42 0 48 4 45 50 8 8 4HK06501825 41 4 49 3 56 8 50 60 6 6 20D 4HK06501025 23 1 33 8 38 1 35 40 8 8 4HK06501525 34 7 43 5 52 6 45 60 8 6 1 O C P Over Curr...

Page 13: ...1431 1401 1363 1304 1241 1098 844 751 712 MC48C H High 2018 1895 1772 1649 1525 1402 1279 1156 1033 910 Med 1684 1595 1506 1417 1328 1240 1151 1062 973 884 Low 1561 1476 1392 1308 1223 1139 1055 970...

Page 14: ...1278 1239 1185 1125 1045 934 725 561 424 MC48C H High 1983 1865 1747 1629 1511 1393 1275 1157 1039 921 Med 1529 1446 1363 1280 1197 1114 1031 948 865 782 Low 1312 1249 1185 1122 1059 995 932 868 805 7...

Page 15: ...ir Handler Control Board SECTION X MAINTENANCE Filters must be cleaned or replaced when they become dirty Inspect at least once per month The frequency of cleaning depends upon the hours of operation...

Page 16: ...o change without notice Printed in U S A 262675 UIM A 0806 Copyright by York International Corp 2006 All rights reserved Supersedes 170341 UIM C 0806 Unitary 5005 Norman Product York OK Group Drive 73...

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