Johnson Controls PCG4 Series, Installation Manual

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5750156-UIM-B-0919
Johnson Controls Ducted Systems 11
SECTION V: AIRFLOW PERFORMANCE
Table 12: Propane
1
(LP) Gas Application Data - PCG4
Available on Models
Input Capacity
(MBH)
2
High Fire/Low Fire
Output Capacity
(MBH)
High Fire/Low Fire
Gas Rate
3
Cubic Feet per Hour
High Fire/Low Fire
Number of
Burners
Temperature Rise ºF
at Full Input
4
Minimum Maximum
2, 2-1/2 Tons 50 41 20 2 40 70
3 Tons 50 41 20 2 35 65
4, 5 Tons 65 53 26 2 40 70
2, 2-1/2, 3, 3-1/2 Tons 75 61 30 3 40 70
3, 3-1/2 Tons 100 81 40 4 40 70
4, 5 Tons 100 81 40 3 40 70
4, 5 Tons 125 101 50 4 40 70
1. Propane applications are accomplished by field installation of a Propane Conversion Accessory Kit. For more information, refer to the APPLICATIONS AND
ACCESSORIES section in the Technical Guide.
2. Heating capacity valid for elevations up to 2,000 ft above sea level. For elevations above 2,000 ft, rated capacity must be reduced by 4% for each 1,000 ft above
sea level.
3. Based on 2500 BTU/ft
3
.
4. The airflow must be adequate to obtain a temperature rise within the range shown. Continuous return air temperature must not be below 55°F.
Table 13: Airflow Performance - Side Duct Application
Model Motor Speed
External Static Pressure (in. W.C.)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1.0
SCFM SCFM SCFM SCFM SCFM SCFM SCFM SCFM SCFM
PCG4A24050
Low (1) 732 667 624 567 517 470 415 369 277
Low/Medium (2) 818 771 723 674 628 579 530 482 386
Medium (3) 823 774 721 676 631 583 533 505 448
Medium/High (4) 994 948 906 865 823 778 739 700 622
High (5) 1148 1108 1071 1035 996 960 925 901 853
PCG4A24075
Low (1) 887 847 802 750 705 664 613 563 463
Low/Medium (2) 978 941 898 850 803 759 713 667 575
Medium (3) 1171 1114 1074 1039 993 949 906 864 780
Medium/High (4) 1349 1297 1265 1224 1185 1146 1107 1063 975
High (5) 1487 1462 1392 1331 1318 1281 1241 1201 1121
PCG4A30050
Low (1) 700 657 599 554 512 461 411 365 273
Low/Medium (2) 906 868 825 779 735 692 650 608 524
Medium (3) 992 951 911 868 826 787 747 712 642
Medium/High (4) 1075 1032 1000 958 918 874 837 800 726
High (5) 1136 1089 1053 1018 978 941 903 869 801
PCG4A30075
Low (1) 1076 1020 984 943 903 859 819 779 699
Low/Medium (2) 1102 1048 1010 974 934 890 850 810 730
Medium (3) 1191 1140 1112 1076 1038 1000 958 919 841
Medium/High (4) 1201 1225 1187 1151 1118 1080 1041 1002 924
High (5) 1370 1329 1283 1271 1209 1176 1143 1109 1041
PCG4A36050
Low (1) 1003 952 904 851 790 730 674 633 551
Low/Medium (2) 1180 1133 1085 1042 995 942 889 834 724
Medium (3) 1259 1209 1166 1126 1084 1032 980 928 824
Medium/High (4) 1314 1271 1229 1186 1144 1097 1049 998 896
High (5) 1506 1471 1403 1389 1345 1305 1262 1216 1124
PCG4A36075
Low (1) 1225 1174 1131 1090 1046 993 941 888 782
Low/Medium (2) 1259 1209 1166 1126 1084 1032 980 928 824
Medium (3) 1314 1271 1229 1186 1144 1097 1049 998 896
Medium/High (4) 1348 1306 1259 1222 1179 1133 1086 1036 936
High (5) 1506 1471 1403 1389 1345 1305 1262 1216 1124
PCG4A36100
Low (1) 1342 1302 1260 1217 1178 1134 1082 1034 938
Low/Medium (2) 1425 1368 1332 1293 1251 1208 1163 1113 1013
Medium (3) 1554 1503 1465 1423 1386 1346 1302 1257 1167
Medium/High (4) 1658 1599 1588 1530 1495 1454 1414 1373 1291
High (5) 1966 1914 1862 1810 1757 1705 1653 1600 1496
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