Daikin DCG090, Manual

Page: 19 / 44

SS-DCG7 www.daikincomfort.com 19
Airflow Data — 12½ Tons
Standard Belt Drive and 2 Speed Belt Drive at High Speed — Down Shot
ESP
(“ W.C.)
Turns Open
0 1 2 3 4 5
CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP
0.2 5514 2.92 5604 3.22 5064 2.16 4775 1.81 4514 1.49 4271 1.23
0.4 5279 2.74 5110 2.40 4696 1.94 4447 1.63 4123 1.31 --- ---
0.6 5185 2.67 4813 2.20 4352 1.74 4039 1.43 --- --- --- ---
0.8 4766 2.37 4526 2.02 --- --- --- --- --- --- --- ---
1.0 4223 2.01 --- --- --- --- --- --- --- --- --- ---
High-Static Belt Drive — Down Shot
ESP
(“ W.C.)
Turns Open
0 1 2 3 4 5
CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP
0.6 --- --- --- --- --- --- --- --- 5515 3.21 5124 2.68
0.8 --- --- --- --- 5840 4.06 5781 3.73 5344 3.07 4721 2.37
1.0 --- --- 5908 4.49 5643 3.86 5369 3.36 4887 2.71 4365 2.13
1.2 5869 4.74 5542 4.11 5229 3.47 4853 2.92 4404 2.35 3986 1.88
1.4 5464 4.30 5180 3.75 4917 3.19 4584 2.71 4197 2.21 --- ---
1.6 5229 4.05 4960 3.53 4397 2.75 4204 2.41 --- --- --- ---
1.8 4961 3.78 4553 3.16 --- --- --- --- --- --- --- ---
2.0 4790 3.61 4315 2.95 --- --- --- --- --- --- --- ---
Standard Belt Drive and 2 Speed Belt Drive at High Speed — Horizontal
ESP
(“ W.C.)
Turns Open
0 1 2 3 4 5
CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP
0.2 5762 3.08 5485 2.63 5140 2.21 4855 1.84 4513 1.48 4197 1.20
0.4 5550 2.91 5207 2.44 4857 2.03 4489 1.64 4100 1.29 --- ---
0.6 5202 2.65 4922 2.25 4487 1.81 4113 1.45 --- --- --- ---
0.8 4898 2.43 4515 1.99 4074 1.58 --- --- --- --- --- ---
1.0 4549 2.20 4135 1.76 --- --- --- --- --- --- --- ---
1.2 4258 2.01 --- --- --- --- --- --- --- --- --- ---
High-Static Belt Drive — Horizontal
ESP
(“ W.C.)
Turns Open
0 1 2 3 4 5
CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP CFM BHP
0.6 --- --- --- --- --- --- 5967 3.92 5451 3.16 5275 2.77
0.8 --- --- --- --- --- --- 5628 3.61 5223 2.97 4959 2.54
1.0 --- --- --- --- 5840 4.10 5385 3.39 4999 2.80 4635 2.31
1.2 --- --- --- --- 5643 3.90 5003 3.06 4803 2.65 4160 1.99
1.4 6007 4.93 5740 4.32 5229 3.51 4576 2.71 4440 2.38 --- ---
1.6 5752 4.64 5401 3.97 4917 3.23 --- --- --- --- --- ---
1.8 5380 4.24 5033 3.61 4397 2.79 --- --- --- --- --- ---
2.0 5065 3.91 4573 3.18 --- --- --- --- --- --- --- ---
Notes
• Assume dry coil with filter in place; CFM correction for wet coil = 3%
• Any adjustment made to the blower should not cause the motor to draw more than the motor rated RLA. Application
• that exceed the above could require a larger motor. Minimum rated SCFM is 350 per ton.
Airflow Pressure Drop of Downflow Economizer for 7.5 to 12.5 Ton Rooftop Units (100% Return Air)
SCFM 2000 2500 3000 3500 4000 4500 5000 5500
in. WG 0.02 0.04 0.06 0.09 0.13 0.18 0.23 0.29