York DM 300 User Manual download pdf (Page 21)

262259-YTG-E-1008

Johnson Controls Unitary Products 21

NOTES: 1. Blower performance includes a gas-fired heat exchanger, fixed outdoor air, two-inch T/A filters and a dry evaporator coil.

2. Refer to the additional Static Resistances table.

ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the

total static pressure of the blower.

* Do NOT

close the pulley below 1 turn open.

** Factory setting.

TABLE 11: SUPPLY AIR BLOWER PERFORMANCE (20 TON) - GAS HEAT

240 MBH - BOTTOM DUCT CONNECTIONS

BLOWER

SPEED,

(RPM)

MOTOR

PULLEY

(TURNS

OPEN)*

CFM

6000 7000 8000 9000 9400

ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW

208 VOLT AND STANDARD DRIVE

870 6.0** 1.3 3.6 3.0 0.7 4.3 3.7 0.2 5.1 4.3 - - - - - -

900 5.0 1.4 3.8 3.2 0.9 4.7 4.0 0.4 5.6 4.7 - - - - - -

930 4.0 1.6 4.1 3.4 1.1 5.0 4.2 0.6 5.9 5.0 0.1 6.7 5.7 - - -

950 3.0 1.7 4.2 3.6 1.3 5.1 4.3 0.8 6.0 5.1 0.2 6.9 5.8 - - -

980 2.0 1.9 4.5 3.8 1.5 5.4 4.5 1.0 6.3 5.3 0.4 7.2 6.1 0.1 8.5 7.1

995 1.5 2.1 4.6 3.9 1.6 5.5 4.7 1.1 6.4 5.4 0.5 7.5 6.3 0.2 8.6 7.3

1015 1.0 2.2 4.8 4.0 1.7 4.7 4.8 1.2 6.6 5.6 0.7 7.8 6.6 - - -

208 VOLT AND HIGH STATIC DRIVE

950 6.0 1.7 4.2 3.6 1.3 5.1 4.3 0.8 6.0 5.1 0.2 6.9 5.8 - - -

980 5.0 1.9 4.5 3.8 1.5 5.4 4.5 1.0 6.3 5.3 0.4 7.2 6.1 0.1 8.5 7.1

995 4.5 2.1 4.5 3.9 1.6 5.5 4.7 1.1 6.4 5.4 0.5 7.5 6.3 0.2 8.6 7.3

1025 3.5 2.3 4.9 4.1 1.8 5.8 4.9 1.3 6.7 5.7 0.7 8.0 6.7 - - -

1050 2.5 2.5 5.1 4.3 2.0 6.1 5.1 1.4 7.1 6.0 0.9 8.4 7.0 - - -

1065 2.0 2.6 5.3 4.4 2.1 6.3 5.3 1.5 7.3 6.2 1.0 8.6 7.2 - - -

1100 1.0 2.9 5.6 4.7 2.3 6.8 5.7 1.8 7.9 6.6 - - - - - -

230/460/575 VOLT AND STANDARD DRIVE

870 6.0** 1.3 3.6 3.0 0.7 4.3 3.7 0.2 5.1 4.3 - - - - - -

900 5.0 1.4 3.8 3.2 0.9 4.7 4.0 0.4 5.6 4.7 - - - - - -

930 4.0 1.6 4.1 3.4 1.1 5.0 4.2 0.6 5.9 5.0 0.1 6.7 5.7 - - -

950 3.5 1.7 4.2 3.6 1.3 5.1 4.3 0.8 6.0 5.1 0.2 6.9 5.8 - - -

965 2.5 1.9 4.5 3.8 1.5 5.4 4.5 1.0 6.3 5.3 0.4 7.2 6.1 0.1 8.5 7.1

995 2.0 2.1 4.6 3.9 1.6 5.5 4.7 1.1 6.4 5.4 0.5 7.5 6.3 0.2 8.6 7.3

1015 1.5 2.2 4.8 4.0 1.7 5.7 4.8 1.2 6.6 5.6 0.6 7.8 6.6 - - -

1025 1.0 2.3 4.9 4.1 1.8 5.8 4.9 1.3 6.7 5.7 0.7 8.0 6.7 - - -

230/460/575 VOLT AND HIGH STATIC DRIVE

950 6.0 1.7 4.2 3.6 1.3 5.1 4.3 0.8 6.0 5.1 0.2 6.9 5.8 - - -

980 5.0 1.9 4.5 3.8 1.5 5.4 4.5 1.0 6.3 5.3 0.4 7.2 6.1 0.1 8.5 7.1

995 4.5 2.1 4.6 3.9 1.6 5.5 4.7 1.1 6.4 5.4 0.5 7.5 6.3 0.2 8.6 7.3

1015 4.0 2.2 4.8 4.0 1.7 5.7 4.8 1.2 6.6 5.6 0.6 7.8 6.6 - - -

1025 3.5 2.3 4.9 4.1 1.8 5.8 4.9 1.3 6.7 5.7 0.7 8.0 6.7 - - -

1050 3.0 2.5 5.1 4.3 2.0 6.1 5.1 1.4 7.1 6.0 0.9 8.4 7.0 - - -

1065 2.5 2.6 5.3 4.4 2.1 6.3 5.3 1.5 7.3 6.2 1.0 8.6 7.2 - - -

1100 1.5 2.9 5.6 4.7 2.3 6.8 4.7 1.8 7.9 6.6 - - - - - -

1120 1.0 3.1 5.8 4.9 2.5 7.0 5.9 1.9 8.3 6.9 - - - - -

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York DM 300 User Manual Page 21

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