MULTIPLICATION FACTORS
HEATER VOLTAGE
RATING
240
480
Example: 20.0 kW (at 240 v) heater on 230 v
= 20.0 (0.92 multiplication factor)
= 18.4 kW capacity at 230 v
MINIMUM AIRFLOW (CFM) FOR SAFE ELECTRIC HEATER OPERATION
UNIT 50HS
HORIZONTAL DISCHARGE
VERTICAL DISCHARGE
ACTUAL HEATER
MULTIPLICATION
VOLTAGE
200
208
220
230
240
415
440
460
480
018
024
700
800
1000
700
800
1000
FACTOR
0.69
0.75
0.84
0.92
1.00
0.75
0.84
0.92
1.00
030
036
042
1300
1300
1300
1300
048
060
1600
1750
1600
1750
21