Nailor 37S Manual page 52

FAN POWERED TERMINAL UNITS • 37S SERIES FAN POWERED TERMINAL UNITS •
Performance Data
ECM Motor Fan Curves – Airflow vs. Downstream Static Pressure
37S Series • Low Profile • Series Flow
l/s CFM
260 550
236 500
212 450
189 400
165 350
142 300
118 250
C
94 200
71 150
47 100
24 50
0.0 0.1
0 25
l/s CFM
613 1300
566 1200
519 1100
472 1000
425 900
378 800
330 700
283 600
500
236
189 400
142 300
0.0 0.1
0 25
Electrical Data
The EPIC ECM is a variable horsepower motor.
*
Refer to Selectworks schedule for actual power consumption.
FLA = Full load amperage. All motors are single phase/60 Hz.
C94
Unit Size 1
MAXIMUM
MINIMUM
0.2 0.3 0.4 0.5 0.6 0.7 0.75 "w.g.
50 75 100 125 149 174 187 Pa
DISCHARGE STATIC PRESSURE
Unit Size 3
MAXIMUM
MINIMUM
0.2 0.3 0.4 0.5 0.6 0.7 0.75 "w.g.
50 75 100 125 149 174 187 Pa
DISCHARGE STATIC PRESSURE
NOTES:
• The ECM is pressure independent and
constant volume in operation at factory
or field set point within the shaded area.
Airflow does not vary with changing
static pressure conditions. The motor
compensates for any changes in external
static pressure or induced air conditions
such as filter loading.
l/s CFM
448 950
401 850
MAX. COOLING
1 ROW HW COIL
354 750
2 ROW HW COIL
3 ROW HW COIL
307
650
260
550
212 450
165
350
118
250
71
150
0.0
0
l/s CFM
991 2100
897 1900
MAX. COOLING
1 ROW HW COIL 802 1700
2 ROW HW COIL
3 ROW HW COIL
708 1500
613 1300
519 1100
425 900
330 700
236 500
142 300
47 100
0.0
Unit Size 2
MAXIMUM
MINIMUM
0.1 0.2 0.3 0.4 0.5 0.6
25 50 75 100 125 149
DISCHARGE STATIC PRESSURE
Unit Size 4
MAXIMUM
MINIMUM
0.1 0.2 0.3 0.4 0.5 0.6
0 25 50 75 100 125 149
DISCHARGE STATIC PRESSURE
• Airflow can be set to operate on
horizontal performance line at any point
within shaded area using the solid state
volume controller provided.
• Fan curves shown are applicable to 120,
208, 240 and 277 volt, single phase
ECM's. ECM's, although DC in operation,
include a built-in inverter.
MAX. & 1 ROW HW COIL
2 ROW HW COIL
3 ROW HW COIL
0.7 0.75 "w.g.
174 187 Pa
MAX. COOLING
1 ROW HW COIL
2 ROW HW COIL
3 ROW HW COIL
0.7 0.75 "w.g.
174 187 Pa
11-11-20