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507348-04 12/2015

KG 024, 030, 036, 048, 060, 072, 074, 090 PARTS ARRANGEMENT

(KGA090 shown)

EVAPORATOR

COIL

CONDENSER

FAN

CONDENSER

COIL

COMPRESSOR

CONDENSATE

DRAIN

FILTERS (4)

ECONOMIZER

(OPTIONAL)

GAS VALVE

BURNERS

COMBUSTION

AIR INDUCER

BLOWER

BLOWER

MOTOR

TB1 LOW VOLTAGE

TERMINAL BLOCK

REFRIGERANT

METERING DEVICE

KC 024, 030, 036, 048, 060, 072, 074, 090 PARTS ARRANGEMENT

(KCA090 shown)

ELECTRIC HEAT

(Optional)

EVAPORATOR

COIL

CONDENSER

FAN

CONDENSER

COIL

COMPRESSOR

CONDENSATE

DRAIN

ECONOMIZER

(OPTIONAL)

BLOWER

BLOWER

MOTOR

TB1 LOW VOLTAGE

TERMINAL BLOCK

FILTERS (4)

REFRIGERANT

METERING DEVICE

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Содержание KCA036

Страница 1: ...Discharge Page 6 Condensate Drains Page 6 Gas Piping Page 8 Pressure Test Gas Piping Page 9 High Altitude Derate Page 9 Electrical Connections Page 9 Blower Operation and Adjustments Page 11 Cooling S...

Страница 2: ...N AIR OPENING BOTTOM CONDENSATE OUTLET BOTTOM POWER ENTRY 3 X 8 76 X 203 25 3 4 654 024 thru 074 38 3 4 984 090 GAS INLET FLUE VENT OUTLET 27 686 15 381 3 1 2 89 98 1 4 2496 090 BASE 26 1 2 673 5 1 2...

Страница 3: ...L GAS VALVE BURNERS COMBUSTION AIR INDUCER BLOWER BLOWER MOTOR TB1 LOW VOLTAGE TERMINAL BLOCK REFRIGERANT METERING DEVICE KC 024 030 036 048 060 072 074 090 PARTS ARRANGEMENT KCA090 shown ELECTRIC HEA...

Страница 4: ...ming any maintenance or servicing operations on the unit Follow lighting instructions attached to unit when putting unit back into operation and after service or maintenance IMPORTANT The Clean Air Ac...

Страница 5: ...and insulated so an enclosed frame is not required 2 The frames or supports must be constructed with non combustible materials and should be square and level to 1 16 per linear foot 5mm per linear met...

Страница 6: ...with sheet metal screws Units Equipped With An Optional Economizer 1 Remove the horizontal supply air cover and position over the downflow supply air opening Secure with sheet metal screws 2 Leave the...

Страница 7: ...the unit Condensate can be drained from the back or bottom of the unit with the following modifications The unit can be installed in either downflow or horizontal air discharge regardless of condensa...

Страница 8: ...ction 10 Replace the condensate drain mullion Connect Gas Piping Gas Units Before connecting field provided piping check with gas company or authorities having jurisdiction for local code requirements...

Страница 9: ...ncy shut down is required turn off the main manual shut off valve and disconnect main power to unit These devices should be properly labeled by the installer GAS VALVE CAP MANUAL MAIN SHUT OFF VALVE F...

Страница 10: ...ostats 2 Install thermostat assembly in accordance with instructions provided with thermostat 3 Connect thermostat wiring to TB1 terminal board on the lower side of the controls hat section Wire as sh...

Страница 11: ...d entire unit will be off when system switch is in OFF position B Determining Unit CFM Direct Drive Blowers 1 The following measurements must be made with air filters in place 2 With all access panels...

Страница 12: ...alled jack plug connection 1 The following measurements must be made with air filters in place 2 With all access panels in place measure static pressure external to unit from supply to return Blower p...

Страница 13: ...Volt Units With 3 HP Blowers Equipped With A Belt Tensioner 1 Remove blower belt FIGURE 20 PULLEY ALIGNMENT BELT BLOWER PULLEY MOTOR PULLEY NOT ALIGNED ALIGNED 2 Remove bracket from blower housing Se...

Страница 14: ...ASURE BELT TENSION FIGURE 21 DEFLECTION 1 64 PER INCH OF SPAN OR 1 5mm PER 100mm OF SPAN FORCE FIGURE 22 ADJUST BELT TENSIONER MAXIMUM TENSION MINIMUM TENSION INDICATOR SHOULD BE BETWEEN MINIMUM AND M...

Страница 15: ...KGB024S 0 0 1275 979 878 1453 1140 926 0 1 1262 960 834 1440 1124 912 0 2 1243 938 790 1420 1096 884 0 3 1218 909 746 1396 1065 853 0 4 1186 866 710 1352 1033 822 0 5 1137 838 657 1316 986 774 0 6 110...

Страница 16: ...KGB030S 0 0 1211 949 852 1365 1097 916 0 1 1251 946 826 1422 1099 908 0 2 1241 952 794 1419 1112 893 0 3 1234 915 749 1419 1074 861 0 4 1213 880 702 1402 1038 824 0 5 1178 846 661 1366 1003 795 0 6 11...

Страница 17: ...078 2036 1725 1261 1987 1638 1167 0 4 1801 1496 1046 1973 1679 1219 1905 1598 1148 0 5 1763 1467 987 1910 1647 1177 1862 1559 1108 0 6 1709 1414 897 1830 1560 1080 1781 1509 1057 0 7 1617 1368 806 172...

Страница 18: ...5 0 1 2256 1669 2417 2002 2221 1742 0 2 2202 1739 2396 1985 2193 1747 0 3 2170 1705 2328 1972 2144 1725 0 4 2158 1689 2293 1959 2104 1695 0 5 2130 1676 2279 1930 2086 1678 0 6 2056 1662 2158 1900 2008...

Страница 19: ...8 2131 1788 0 1 1929 1566 2107 1784 2107 1784 0 2 1906 1552 2074 1774 2074 1774 0 3 1872 1546 2036 1752 2036 1752 0 4 1836 1526 1998 1708 1998 1708 0 5 1802 1486 1960 1679 1960 1679 0 6 1749 1447 1904...

Страница 20: ...0 50 1178 0 53 1220 0 57 1259 0 60 1296 0 64 1332 0 67 1300 1060 0 49 1104 0 51 1148 0 55 1190 0 58 1230 0 62 1269 0 65 1306 0 69 1342 0 72 1400 1075 0 53 1119 0 56 1162 0 60 1203 0 63 1242 0 67 1280...

Страница 21: ...1 0 77 1248 0 81 1285 0 86 1321 0 90 1356 0 94 1391 0 98 1800 1154 0 76 1194 0 80 1230 0 85 1266 0 89 1302 0 93 1338 0 98 1373 1 02 1408 1 06 1900 1178 0 83 1215 0 88 1250 0 93 1286 0 98 1321 1 02 135...

Страница 22: ...1 15 1346 1 19 1381 1 23 1415 1 27 1450 1 31 1486 1 34 2200 1268 1 14 1302 1 20 1336 1 25 1371 1 29 1405 1 33 1439 1 37 1474 1 40 1511 1 44 2300 1295 1 25 1328 1 30 1362 1 35 1397 1 39 1431 1 43 1465...

Страница 23: ...1 00 1306 1 04 1339 1 09 1367 1 14 1395 1 19 1426 1 23 2200 1218 0 99 1255 1 03 1290 1 09 1324 1 14 1356 1 19 1385 1 24 1413 1 28 1444 1 32 2300 1242 1 07 1277 1 13 1310 1 20 1343 1 26 1374 1 30 1403...

Страница 24: ...1 07 1141 1 13 1177 1 17 1213 1 22 1248 1 26 1284 1 31 2700 1062 1 05 1099 1 11 1136 1 17 1172 1 22 1207 1 27 1242 1 32 1277 1 37 1312 1 43 2800 1094 1 16 1131 1 22 1167 1 27 1202 1 32 1237 1 38 1271...

Страница 25: ...01 1088 1 07 1124 1 12 1160 1 16 1195 1 20 1230 1 25 2700 1009 0 99 1044 1 05 1080 1 11 1116 1 16 1152 1 21 1187 1 26 1221 1 30 1254 1 35 2800 1038 1 10 1073 1 16 1109 1 21 1145 1 26 1180 1 31 1214 1...

Страница 26: ...1 68 906 1 75 929 1 81 951 1 87 972 1 93 993 1 98 1013 2 05 1033 2 11 3500 858 1 66 881 1 73 903 1 79 926 1 86 948 1 92 969 1 98 990 2 04 1009 2 10 1029 2 17 1048 2 24 3600 879 1 77 901 1 84 923 1 91...

Страница 27: ...18 1 56 842 1 63 865 1 69 888 1 76 910 1 82 932 1 88 953 1 93 974 1 99 3500 792 1 54 815 1 61 838 1 67 861 1 74 883 1 80 906 1 87 928 1 93 949 1 98 970 2 04 990 2 10 3600 812 1 65 834 1 72 857 1 79 88...

Страница 28: ...4S 0 0 1244 956 859 1414 1098 876 0 1 1226 934 820 1401 1092 870 0 2 1201 906 782 1379 1070 848 0 3 1180 877 727 1348 1039 819 0 4 1152 841 690 1318 1008 775 0 5 1118 812 634 1288 968 746 0 6 1090 768...

Страница 29: ...30S 0 0 1199 928 838 1379 1085 877 0 1 1229 926 813 1409 1086 872 0 2 1206 928 782 1367 1094 850 0 3 1183 881 742 1350 1047 820 0 4 1159 843 686 1321 1009 783 0 5 1136 812 643 1282 981 762 0 6 1103 76...

Страница 30: ...65 1536 1083 2043 1735 1266 1994 1647 1172 0 4 1813 1495 1033 1986 1678 1204 1918 1597 1134 0 5 1762 1444 976 1909 1621 1164 1861 1534 1096 0 6 1694 1391 899 1814 1535 1082 1765 1485 1059 0 7 1609 133...

Страница 31: ...2 2160 1750 0 1 2162 1660 2315 1991 2128 1733 0 2 2100 1704 2285 1946 2092 1712 0 3 2078 1667 2230 1928 2054 1687 0 4 2056 1646 2185 1909 2005 1652 0 5 2014 1626 2154 1873 1972 1629 0 6 1953 1592 2049...

Страница 32: ...5 0 1 1871 1550 2050 1760 2050 1760 0 2 1855 1538 2018 1735 2018 1735 0 3 1828 1523 1986 1704 1986 1704 0 4 1786 1499 1937 1679 1937 1679 0 5 1759 1476 1905 1642 1905 1642 0 6 1718 1452 1856 1605 1856...

Страница 33: ...079 0 45 1127 0 48 1171 0 52 1213 0 55 1252 0 59 1289 0 62 1324 0 66 1300 1044 0 47 1091 0 49 1137 0 53 1181 0 56 1221 0 60 1259 0 64 1296 0 68 1330 0 71 1400 1058 0 51 1105 0 54 1150 0 57 1191 0 61 1...

Страница 34: ...70 1193 0 75 1230 0 79 1265 0 83 1299 0 87 1332 0 91 1364 0 95 1800 1133 0 73 1174 0 77 1209 0 81 1244 0 85 1278 0 90 1311 0 94 1343 0 98 1375 1 02 1900 1156 0 80 1193 0 84 1226 0 89 1260 0 93 1293 0...

Страница 35: ...4 1275 1 09 1306 1 14 1338 1 18 1369 1 22 1400 1 25 1432 1 29 2200 1238 1 08 1265 1 14 1293 1 19 1324 1 24 1355 1 28 1387 1 31 1418 1 35 1450 1 39 2300 1257 1 19 1284 1 25 1313 1 30 1344 1 34 1375 1 3...

Страница 36: ...1221 0 97 1258 1 01 1294 1 05 1325 1 09 1351 1 14 1376 1 19 2200 1170 0 97 1206 1 01 1242 1 05 1277 1 09 1311 1 14 1341 1 18 1365 1 23 1390 1 28 2300 1193 1 06 1228 1 09 1262 1 14 1295 1 19 1327 1 24...

Страница 37: ...8 0 97 1062 1 04 1096 1 10 1130 1 16 1164 1 21 1197 1 26 1231 1 30 2700 1023 1 01 1057 1 08 1091 1 15 1125 1 22 1159 1 27 1192 1 32 1225 1 37 1258 1 41 2800 1053 1 13 1088 1 21 1122 1 27 1155 1 33 118...

Страница 38: ...073 1 05 1106 1 10 1139 1 14 1171 1 19 1203 1 23 1235 1 28 1266 1 33 2700 1072 1 10 1104 1 15 1137 1 20 1169 1 24 1201 1 29 1232 1 34 1263 1 40 1293 1 46 2800 1105 1 21 1137 1 25 1168 1 30 1200 1 35 1...

Страница 39: ...71 1 48 794 1 55 817 1 63 840 1 70 862 1 77 883 1 83 904 1 89 925 1 94 947 1 98 3500 767 1 51 790 1 58 812 1 66 835 1 73 856 1 80 878 1 87 899 1 93 920 1 99 940 2 04 961 2 08 3600 786 1 61 808 1 69 83...

Страница 40: ...32 1 58 856 1 64 880 1 70 903 1 76 925 1 82 946 1 88 967 1 95 987 2 02 1007 2 09 3500 830 1 63 854 1 69 877 1 75 900 1 81 922 1 88 944 1 94 964 2 01 985 2 08 1004 2 15 1024 2 23 3600 852 1 74 876 1 81...

Страница 41: ...0 05 0 08 2800 0 10 0 04 0 06 0 05 0 08 3000 0 11 0 04 0 06 0 05 0 08 3200 0 12 0 04 0 06 0 06 0 09 3400 0 14 0 05 0 06 0 06 0 09 3600 0 15 0 05 0 06 0 06 0 10 BLOWER DATA POWER EXHAUST FAN PERFORMAN...

Страница 42: ...an Y2 Compressor Condenser Fan 024 072 Unit Equipped With An Economizer Y1 Economizer na Y2 Economizer Compressor Condenser Fan 074 No Economizer or Outdoor Air Unsuitable Y1 Compressor Low Speed Cond...

Страница 43: ...ing 5 If discharge pressure is high remove refrigerant from the system If discharge pressure is low add refrigerant to the system Add or remove charge in increments Allow the system to stabilize each...

Страница 44: ...in cooling mode with economizer disabled until system stabilizes approximately five minutes Make sure all outdoor air dampers are closed 2 Compare the normal operating pressures see table 14 through...

Страница 45: ...F 105 F 115 F Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 114 251 116 285 117 334 119 382 121 436 123 500 122 255 125 292 1...

Страница 46: ...157 327 161 370 165 416 168 468 171 526 TABLE 21 KGA KCA 090 Normal Operating Pressures Outdoor Coil Entering Air Temperature 65 F 75 F 85 F 95 F 105 F 115 F Suct psig Disc psig Suct psig Disc psig Su...

Страница 47: ...Temperature F Suction Pressure psig Outdoor Temperature F KGB KCB 030 Charging Curves 115 105 95 85 75 65 180 60 70 80 90 100 110 120 130 110 120 130 140 150 160 170 Liquid Temperature F Suction Pres...

Страница 48: ...170 Liquid Temperature F Suction Pressure psig Outdoor Temperature F KGB KCB 048 Charging Curves 115 105 95 85 75 65 180 60 70 80 90 100 110 120 130 110 120 130 140 150 160 170 Liquid Temperature F S...

Страница 49: ...d Temperature F Suction Pressure psig Outdoor Temperature F KGA KCA 072 Charging Curves 115 105 95 85 75 65 100 60 70 80 90 100 110 120 130 Liquid Temperature F Suction Pressure psig Outdoor Temperatu...

Страница 50: ...mperature reaches 58 F 15 C 2 High Pressure Switch S4 High pressure switches are SPST N C switches which open on a pressure rise The switch is a manual reset switch on KGA KCA036 048 060 090 units The...

Страница 51: ...trol lever or gas control knob Use only your hand to push the lever or turn the gas control knob Never use tools If the the lever will not move or the knob will not push in or turn by hand do not try...

Страница 52: ...nd requires no adjustment 3 Spark ignitor energizes and gas valve solenoid opens 4 Spark ignites gas ignition sensor proves the flame and combustion continues 5 If flame is not detected after first ig...

Страница 53: ...opriate codes Approved filters should be checked monthly and replaced when necessary Take note of air flow direction marking on filter frame when reinstalling filters See figure 26 TABLE 23 UNIT FILTE...

Страница 54: ...erating conditions the combustion air inducer wheel should be checked and cleaned prior to the heating season However it should be examined periodically during the heating season to establish an ideal...

Страница 55: ...d slabs On units with two slabs dirt and debris may become trapped between the slabs To clean between slabs carefully separate coil slabs and wash them thoroughly See figure 31 Flush coils with water...

Страница 56: ...olding the blower in place Slide blower out of unit 4 Reinstall blower in channels Secure blower in place with seven retained screws 5 Replace L bracket and reinstall screws from the top 6 Replace rub...

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