Bryant DURAPAC 551B User Manual
Page 110

110
ARI* CAPACITY RATINGS (cont)
ELECTRIC RESISTANCE HEATER DATA — 559F180-300
*Maximum number of stages using accessory low-ambient kit or head pressure control device and low-ambient kit.
NOTE: Heaters are rated at 240, 480, and 600 v. Use the Multiplication Factors table below to determine heater
capacity for your particular voltage.
MULTIPLICATION FACTORS
NOTE: The following equation converts kW of heat energy to Btuh: kW x 3.413 = Btuh.
EXAMPLE: 34 kW (at 230 v) heater on 208 v
= 34.0 (.751 mult factor)
= 25.5 kW capacity at 208 v.
UNIT
559F
HEATER kW
HEATER
STAGES
HEAT
PER STAGE
MAXIMUM
STAGES*
MINIMUM
HEATING CFM
Unit Voltages
208
230
460
Cfm
L/s
180
26
34
32
2
50/50
2
4500
2124
42
56
55
2
33/67
3
56
75
80
2
50/50
4
216
26
34
32
2
50/50
2
5400
2549
42
56
55
2
33/67
3
56
75
80
2
50/50
4
240
26
34
32
2
50/50
2
6000
2832
42
56
55
2
33/67
3
56
75
80
2
50/50
4
300
26
34
32
2
50/50
2
7000
3304
42
56
55
2
33/67
3
56
75
80
2
50/50
4
HEATER RATING
VOLTAGE
ACTUAL HEATER VOLTAGE
200
208
230
240
380
440
460
480
550
575
600
240
0.694
0.751
0.918
1.000
—
—
—
—
—
—
—
480
—
—
—
—
0.626
0.840
0.918
1.000
—
—
—
600
—
—
—
—
—
—
—
—
0.840
0.918
1.000
0
T
F
Q
0
04
-0
12
55
9F1
80-
30
0