Zt078 (6.5 Ton) Bottom Duct; Zt090 (7.5 Ton) Bottom Duct; Zt102 (8.5 Ton) Bottom Duct - York ZT SERIES Technical Manual

5167821-YTG-K-1118

ZT078 (6.5 ton) bottom duct

Air flow
0.2
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Field supplied drive
1800 580 0.29 652
2000 599 0.41 671
2200 618 0.53 690
2400 639 0.67 711
2600 661 0.82 733
2800 685 0.98 757
3000 712 1.15 784
3200 741 1.33 813
3400 772 1.52 844
1. Blower performance includes gas heat exchangers and 2-in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.

ZT090 (7.5 ton) bottom duct

Air flow
0.2
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Field supplied drive
2000 647 0.50 702
2200 659 0.63 715
2400 675 0.76 730
2600 694 0.91 749
2800 717 1.08 772
3000 744 1.25 799
3200 775 1.43 830
3400 810 1.62 865
3600 849 1.83 905
3800 893 2.04 948
1. Blower performance includes gas heat exchangers and 2-in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.

ZT102 (8.5 ton) bottom duct

Air flow
0.2
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Field supplied drive
2200 686 0.77 732
2400 703 0.88 749
2600 722 1.00 768
2800 744 1.14 789
3000 767 1.30 813
3200 793 1.47 838
3400 821 1.65 867
3600 852 1.85 897
3800 884 2.06 930
4000 919 2.29 965
4200 956 2.53 1002
1. Blower performance includes gas heat exchangers and 2-in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
84
Available external static pressure - IWG
0.4 0.6 0.8
Standard 1.5 HP and drive
0.49 722 0.70 791
0.61 741 0.81 809
0.74 760 0.94 829
0.87 781 1.08 849
1.02 803 1.23 871
1.18 828 1.38 896
1.35 854 1.55 922
1.53 883 1.73 951
1.72 915 1.92 983
Available external static pressure - IWG
0.4 0.6 0.8
Standard 2 HP and drive
0.69 760 0.86 820
0.82 772 0.98 832
0.95 788 1.12 847
1.10 807 1.27 866
1.26 830 1.43 889
1.44 857 1.60 916
1.62 888 1.78 947
1.81 923 1.98 983
2.01 962 2.18 1022
2.23 1006 2.39 1065
Available external static pressure - IWG
0.4 0.6 0.8
Standard 2 HP and drive
0.90 782 1.04 837
1.02 800 1.15 854
1.14 819 1.28 873
1.28 840 1.42 895
1.43 863 1.57 918
1.60 889 1.74 944
1.79 918 1.92 972
1.99 948 2.12 1003
2.20 981 2.33 1036
2.42 1016 2.56 1071
2.66 1053 2.80 1108
1.0 1.2
0.90 855 1.09 917 1.27
1.02 874 1.21 935 1.39
1.14 894 1.34 955 1.52
1.28 914 1.47 975 1.66
1.43 936 1.62 998 1.80
1.59 961 1.78 1022 1.96
1.76 987 1.95 1048 2.13
1.94 1016 2.13 1077 2.31
2.13 1048 2.32 1109 2.50
1.0 1.2
1.00 880 1.15 939 1.29
1.13 892 1.27 952 1.42
1.26 907 1.41 967 1.55
1.41 926 1.56 986 1.70
1.58 949 1.72 1009 1.87
1.75 976 1.89 1036 2.04
1.93 1008 2.07 1067 2.22
2.12 1043 2.27 1102 2.41
2.33 1082 2.47 1142 2.62
2.54 1125 2.68 1185 2.83
1.0 1.2
1.17 895 1.30 953 1.42
1.28 912 1.41 970 1.53
1.41 931 1.53 989 1.65
1.55 952 1.67 1011 1.79
1.70 976 1.83 1034 1.95
1.87 1002 2.00 1060 2.12
2.05 1030 2.18 1088 2.30
2.25 1060 2.38 1119 2.50
2.46 1093 2.59 1151 2.71
2.69 1128 2.82 1186 2.94
2.93 1165 3.06 1223 3.18
1
1.4 1.6
High static 2 HP and drive
973 1.44 1024 1.58 1069
992 1.56 1043 1.70 1088
1011 1.68 1062 1.83 1108
1032 1.82 1083 1.96 1128
1054 1.97 1105 2.11 1150
1078 2.13 1130 2.27 1175
1105 2.30 1156 2.44 1201
1134 2.48 1185 2.62 1230
1165 2.67 1216 2.81 1262
2 HP and field supplied drive
1
1.4 1.6
High static 3 HP and drive
997 1.45 1053 1.64 1104
1010 1.58 1065 1.76 1117
1025 1.71 1081 1.90 1132
1044 1.86 1100 2.05 1151
1067 2.03 1122 2.21 1174
1094 2.20 1149 2.38 1201
1125 2.38 1181 2.56 1232
1160 2.57 1216 2.76 1267
1200 2.78 1255 2.96 1307
1243 2.99 1299 3.17 1350
3 HP and field supplied drive
1
1.4 1.6
High static 3 HP and drive
1011 1.53 1067 1.63 1120
1028 1.64 1084 1.74 1138
1047 1.77 1104 1.87 1157
1069 1.91 1125 2.01 1178
1092 2.06 1148 2.16 1202
1118 2.23 1174 2.33 1227
1146 2.41 1203 2.52 1256
1177 2.61 1233 2.71 1286
1209 2.82 1266 2.93 1319
1244 3.05 1301 3.15 1354
1282 3.29 1338 3.39
3 HP and field supplied drive
Johnson Controls Ducted Systems
1.8 2.0
1.70 1108 1.79
1.82 1127 1.90
1.94 1146 2.03
2.08 1166 2.17
2.23 1189 2.32
2.39 1213 2.47
2.56 1240 2.64
2.74 1269 2.82
2.93 1300 3.01
1.8 2.0
1.85 1151 2.11
1.98 1163 2.23
2.11 1179 2.37
2.26 1198 2.52
2.42 1221 2.68
2.60 1248 2.86
2.78 1279 3.04
2.97 1314 3.23
3.18 1353 3.43
3.39 1397 3.64
1.8 2.0
1.72 1169 1.80
1.83 1186 1.91
1.96 1205 2.04
2.10 1227 2.18
2.25 1250 2.33
2.42 1276 2.50
2.61 1304 2.68
2.81 1335 2.88
3.02 1367 3.10
3.24 1402 3.32
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