Lennox KHA SERIES - Blower Data - Exhaust and Accessories; Power Exhaust Fan Performance; Accessory Air Resistance; Ceiling Diffuser Data

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BLOWER DATA
POWER EXHAUST FANS PERFORMANCE
Return Air System
Static Pressure
in. w.g.
Air Volume Exhausted - cfm
T1PWRE10A T1PWRE10N
208V 230V, 460V and 575V 208V 230V, 460V and 575V
Low Medium High Low Medium High Low Medium High Low Medium High
0 1290 1300 1320 1300 1305 1295 3545 3915 4230 3880 4135 4340
0.1 1045 1055 1055 1040 1050 1055 2880 3215 3580 3255 3550 3755
0.2 805 805 815 805 810 810 2290 2665 3055 2710 3010 3240
0.3 580 580 600 595 590 585 1735 2175 2605 2200 2500 2770
0.4 390 405 400 405 400 410 1165 1660 2175 1685 2010 2325
0.5 245 315 215 240 255 300 530 1045 1710 1120 1510 1885
0.6 155 340 35 90 165 290 - - - 250 1160 470 990 1420
0.7 145 515 - - - - - - 140 400 - - - - - - 470 - - - 430 915
OPTIONS / ACCESSORIES AIR RESISTANCE - in. w.g.
Air Volume
cfm
Economizer Electric Heat
Wet Indoor Coil
036-048 060-072
800 0.04 0.01 0.01 0.01
1000 0.04 0.03 0.02 0.01
1200 0.04 0.06 0.02 0.01
1400 0.04 0.09 0.03 0.02
1600 0.04 0.12 0.04 0.03
1800 0.05 0.15 0.05 0.04
2000 0.05 0.18 0.06 0.05
2200 0.05 0.20 0.08 0.06
2400 0.05 0.22 0.09 0.07
2600 0.06 0.24 0.10 0.08
2800 0.06 0.26 0.11 0.09
3000 0.06 0.28 0.13 0.10
CEILING DIFFUSER AIR THROW DATA
Air Volume - cfm 1 Effective Throw - ft.
Model No. RTD9-65 FD9-65
800 10 - 17 14 - 18
1000 10 - 17 15 - 20
1200 11 - 18 16 - 22
1400 12 - 19 17 - 24
1600 12 - 20 18 - 25
1800 13 - 21 20 - 28
2000 14 - 23 21 - 29
2200 16 - 25 22 - 30
Model No. RTD11-95 FD11-95
2600 24 - 29 19 - 24
2800 25 - 30 20 - 28
3000 27 - 33 21 - 29
1
Effective throw based on terminal velocities of 75 ft. per minute.
CEILING DIFFUSERS AIR RESISTANCE (in. w.g.)
Air Volume
cfm
RTD9-65 Step–Down Diffuser FD9-65
Flush
Diffuser
RTD11-95 Step-Down Diffuser FD11-95
Flush
Diffuser
2 Ends
Open
1 Side &
2 Ends Open
All Ends &
Sides Open
2 Ends
Open
1 Side &
2 Ends Open
All Ends &
Sides Open
800 0.15 0.13 0.11 0.11 - - - - - - - - - - - -
1000 0.19 0.16 0.14 0.14 - - - - - - - - - - - -
1200 0.25 0.20 0.17 0.17 - - - - - - - - - - - -
1400 0.33 0.26 0.20 0.20 - - - - - - - - - - - -
1600 0.43 0.32 0.20 0.24 - - - - - - - - - - - -
1800 0.56 0.40 0.30 0.30 0.13 0.11 0.09 0.09
2000 0.73 0.50 0.36 0.36 0.15 0.13 0.11 0.10
2200 0.95 0.63 0.44 0.44 0.18 0.15 0.12 0.12
2400 - - - - - - - - - - - - - 0.21 0.18 0.15 0.14
2600 - - - - - - - - - - - - - 0.24 0.21 0.18 0.17
2800 - - - - - - - - - - - - - 0.27 0.24 0.21 0.20
3000 - - - - - - - - - - - - - 0.32 0.29 0.25 0.25