RBI SB - Page 10

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 10
Flow
Rate
100
150
200
250
300
350
400
Table 7 - Temperature Rise Table – 2 Pass Headers
16.4
24.6
32.4
40.5
49.8
58.1
66.4
0.05
0.13
0.27
0.48
0.82
1.23
1.77
1.0
1.6
2.0
2.6
3.1
3.7
4.2
0.1
0.4
0.8
1.4
2.4
3.6
5.2
—
—
16.2
20.3
24.9
29.1
33.2
—
—
0.07
0.13
0.23
0.34
0.49
—
—
1.0
1.3
1.6
1.8
2.1
—
—
0.2
0.4
0.7
1.0
1.4
—
—
—
—
16.6
19.4
22.1
—
—
—
—
0.10
0.20
0.20
—
—
—
—
1.0
1.2
1.4
—
—
—
—
0.3
0.5
0.7
Model
Number
∆T = 10°F
GPM
Ft L/s kPa GPM Ft L/s kPa GPM Ft L/s
kPa
∆ T = 5.5 ° C
Pres.
Drop
Flow
Rate
Pres.
Drop
∆T = 20°F
∆ T = 11.1 ° C
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
∆T = 30°F
∆ T = 16.7 ° C
Note: Unit equipped with 4 pass headers, see Table 8.
Flow
Rate
100
150
200
250
300
350
400
16.4
24.6
32.4
40.5
49.8*
0.34
0.94
1.92
3.46
5.89
1.0
1.6
2.0
2.6
3.1
1.0
2.8
5.7
10.2
17.3
—
—
16.2
20.3
24.9
29.1
33.2
—
—
0.53
0.96
1.63
2.47
3.54
—
—
1.0
1.3
1.6
1.8
2.1
—
—
1.6
2.8
4.8
7.3
10.4
—
—
—
—
16.6
19.4
22.1
—
—
—
—
0.80
1.20
1.70
—
—
—
—
1.0
1.2
1.4
—
—
—
—
2.3
3.4
4.9
Model
Number
∆T = 10°F
GPM
Ft L/s kPa GPM Ft L/s GPM Ft L/s
kPa
∆ T = 5.5 ° C
Pres.
Drop
Flow
Rate
Pres.
Drop
∆T = 20°F
∆ T = 11.1 ° C
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
∆T = 30°F
∆ T = 16.7 ° C
See Note
Note: Unit equipped with 2 pass headers, see Table 7.
*Flow exceeds recommended maximum use a greater temperature rise or consult manufacturer. Cupro-nickel heat
exchanger should be considered.
Table 8 - Temperature Rise Table – 4 Pass Headers
kPa