Carrier 48DL Installation Manual download pdf (Page 40)

264975-BIM-B-1208

40 Johnson Controls Unitary Products

TABLE 39: DL, DU-07 (7-1/2 TON) STANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE

CFM RPM

BHP CFM RPM

BHP

0.2 3619 1203 2148 2.3 3452 1156 1913 2.1 3272 1110 1696 1.8 3085 1063 1503 1.6 2932 1013 1299 1.4 2742 963 1123 1.2

0.4 3343 1204 1988 2.1 3189 1159 1781 1.9 2995 1113 1547 1.7 2798 1065 1360 1.5 2640 1014 1190 1.3 2421 965 1024 1.1

0.6 3100 1205 1857 2.0 2944 1162 1676 1.8 2746 1116 1440 1.5 2512 1068 1246 1.3 2340 1017 1067 1.1 2084 967 918 1.0

0.8 2846 1205 1712 1.8 2675 1166 1534 1.6 2448 1118 1326 1.4 2162 1071 1098 1.2 1956 1020 934 1.0 1606 969 781 0.8

1 2559 1207 1574 1.7 2335 1169 1364 1.5 2084 1119 1174 1.3 1712 1074 941 1.0 --------

1.2 2219 1209 1435 1.5 1935 1174 1039 1.1 ----------------

2. Blower performance includes two-inch throwaway filters.

3. ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been

deducted from the total static pressure of the blower.

4. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.

5. W = Watts

0 Turns 1 Turn 2 Turns 3 Turns

1. Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.

TURNS OPEN

ESP

4 Turns 5 Turns

7-1/2 TON STANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE

0.2

0.4

0.6

0.8

1.2

1.4

1500 2000 2500 3000 3500

CFM

External Static (”WC)

0 Turns1 Turn

2 Turns

3 Turns4 Turns5 Turns

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 83 84

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Carrier 48DL Installation Manual Page 40