Filter
Top Products
Table 14 — Fan Performance, 50EJ048 — Vertical Discharge Units
FOR EW UNITS, REDUCE NET AVAILABLE EXTERNAL STATIC PRESSURE BY 0.5 IN. WG
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
13,000 683 7.10 715 8.59 747 9.09 777 9.60 808 10.11 837 10.62 866 11.14 894 11.66
14,000 730 8.53 761 10.25 790 10.77 819 11.30 847 11.83 875 12.36 902 12.90 929 13.44
15,000 778 10.14 807 12.10 834 12.65 862 13.19 888 13.75 915 14.30 941 14.86 966 15.42
16,000 826 11.93 853 14.15 879 14.72 905 15.29 931 15.86 955 16.44 980 17.01 1004 17.59
17,000 875 13.90 900 16.42 925 17.01 949 17.60 973 18.19 997 18.78 1020 19.38 1043 19.98
18,000 923 16.06 947 18.90 971 19.51 994 20.12 1017 20.73 1039 21.34 1062 21.96 1084 22.58
19,000 972 18.42 995 21.61 1017 22.24 1039 22.87 1061 23.50 1083 24.13 1104 24.76 1125 25.40
20,000 1021 20.98 1042 24.55 1064 25.20 1085 25.85 1106 26.50 1126 27.15 1147 27.80 1167 28.46
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
13,000 921 12.18 948 12.71 975 13.24 1001 13.77 1026 14.30 1051 14.84 1076 15.39 1100 15.93
14,000 955 13.98 981 14.53 1006 15.08 1031 15.63 1056 16.18 1080 16.74 1103 17.30 1127 17.86
15,000 991 15.98 1015 16.54 1040 17.11 1063 17.68 1087 18.25 1110 18.83 1133 19.41 1155 19.99
16,000 1028 18.17 1051 18.76 1074 19.34 1097 19.93 1120 20.52 1142 21.12 1164 21.71 1185 22.31
17,000 1066 20.58 1089 21.18 1111 21.78 1133 22.39 1154 23.00 1175 23.61 1197 24.23 — —
18,000 1106 23.19 1127 23.82 1148 24.44 1169 25.07 1190 25.69 — — ————
19,000 1146 26.04 1166 26.68 1187 27.32 — — — — — — ————
20,000 1187 29.11 — — — — — — — — — — ————
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.6
Rpm Bhp Rpm Bhp Rpm Bhp
13,000 1124 16.48 1148 17.03 1171 17.59
14,000 1150 18.43 1173 19.00 1195 19.57
15,000 1177 20.57 1199 21.16 — —
16,000 ——————
17,000 ——————
18,000 ——————
19,000 ——————
20,000 ——————
LEGEND
Bhp — Brake Horsepower
NOTES:
1. Fan performance is based on wet coils, economizer, roof curb,
cabinet losses, and clean 2-in. filters.
2. Conversion − Bhp to watts:
Bhp x 746
Watts =
Motor efficiency
3. VAV units will operate down to 70 cfm/ton.
Table 15 — Air Quantity Limits
UNIT
50EJ,EK,EW,EY
MINIMUM HEATING
CFM
MINIMUM COOLING
CFM (VAV)
MINIMUM COOLING
CFM (CV)
MAXIMUM
CFM
024 6,000 2000 6,000 10,000
028 7,500 2500 7,500 12,500
030 8,250 2750 8,250 13,750
034 9,000 3000 9,000 15,000
038 10,500 3500 10,500 17,500
044 12,000 4000 12,000 20,000
048 13,500 4500 13,500 22,500
LEGEND
CV — Constant Volume
VAV — Variable Air Volume
38