York DM120 Installation Manual download pdf (Page 39)

264973-YIM-A-0806

Unitary Products Group 39

TABLE 38: DH078 (6-1/2 TON) OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE

1,2

CFM RPM

BHP CFM RPM

BHP

0.2 – – – – – – – – 3426 1156 1940 2.1 3300 1108 1700 1.8 3081 1057 1500 1.6 2889 1004 1300 1.4

0.4 – – – – 3343 1207 2040 2.2 3155 1160 1780 1.9 3014 1111 1590 1.7 2800 1059 1380 1.5 2600 1007 1170 1.3

0.6 3281 1259 2140 2.3 3123 1212 1910 2.0 2912 1164 1650 1.8 2757 1114 1460 1.6 2514 1062 1240 1.3 2287 1008 1050 1.1

0.8 3031 1262 1970 2.1 2875 1215 1760 1.9 2651 1167 1500 1.6 2449 1116 1320 1.4 2148 1065 1090 1.2 1868 1012 900 1.0

1 2765 1268 1810 1.9 2595 1220 1630 1.7 2300 1171 1360 1.5 2051 1120 1170 1.2 1715 1069 950 1.0 – – – –

1.2 2493 1273 1700 1.8 2228 1225 1420 1.5 1916 1176 1160 1.2 1323 1126 880 0.9 – – – – – – – –

1.4 2284 1278 1520 1.6 1690 1231 1170 1.3

–

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

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

ESP

TURNS OPEN

0 Turns 1 Turn 2 Turns 3 Turns 4 Turns 5 Turns

6-1/2 TON OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1000 1500 2000 2500 3000 3500 4000

CFM

External Static ("WC)

0 Turns

1 Turn

2 Turns

3 turns

4 Turns5 Turns

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 83 84

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York DM120 Installation Manual Page 39