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PERFORMANCE DATA (cont)
OPTIONAL POWER EXHAUST
POWER REQUIREMENTS
INDOOR-FAN MOTOR DATA — 549B036-120
LEGEND
*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the motors
can be utilized with confidence. Using your fan motors up to the ratings shown in this table will not result in nuisance
tripping or premature motor failure. Unit warranty will not be affected.
UNIT
SIZE
AMPS @ 230 V
(2 Fans Running)
MOCP
230 VAC 460 VAC
549B036-072
1.40 Amps @ 60 Hz
15.0 amps 15.0 amps
549B090,120
3.04 Amps @ 60 Hz
MOCP —
Maximum Overcurrent Protection
UNIT
549B
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
MOTOR
EFFICIENCY (%)
036
Single 1.20 1000 208/230 5.1
75
Three 1.20 1000
208/230 5.1
460 2.3
048
Single 1.20 1000 208/230 5.1
75
Three 1.20 1000
208/230 5.1
460 2.3
060
Single 1.80 1921 208/230 9.2
74
Three 1.80 1921
208/230 6.1
460 2.7
072
Three 2.40 2120
208/230 6.1
84
460 2.7
090
Three 2.90 2615
208/230 7.9
80
460 3.6
120
Three 4.20 3775
208/230 11.1
85
460 5.0
Bhp —
Brake Horsepower Input to Fan
FLOW (cfm)
0
0.1
0.2
0.3
0.4
0.5
STATIC PRESSURE (in. wg)
2 FANS
OPERATING
1 FAN
OPERATING
2500
2000
1500
1000
500
0
EconoMi$er Power Exhaust Performance
(549B036-072)
5000
4000
3000
2000
1000
0
0
0.1
0.2
0.3
0.4
0.5
STATIC PRESSURE (in. wg)
FLOW (cfm)
2 FANS
OPERATING
1 FAN
OPERATING
0.25
0.20
0.15
0.10
0.05
0.00
0
500
1000
1500 2000
FLOW (CFM)
STATIC PRESSURE (in. wg)
549B036-072
549B090,120
EconoMi$er Barometric Relief
Damper Characteristics
EconoMi$er Power Exhaust Performance
(549B090,120)
50TFQ004-012
549B036-120