VOLTMAX ELECTRIC BOILER Installation and Operation Manual
(
Revised June 2017)
, Page
13.
Table 9 : Temperature rise vs flow rate
(GPM)
MODEL
DELTA T
0
10
o
F
20
o
F
30
o
F
40
o
F
VOLTMAX 23
15.7
7.8
5.2
3.9
VOLTMAX
27
18.4
9.2
6.1
4.6
VOLTMAX
30
20.5
10.2
6.8
5.1
VOLTMAX
36
24.6
12.3
8.2
6.1
VOLTMAX
40
27.3
13.6
9.1
6.8
VOLTMAX
41
28.0
14.0
9.3
7.0
VOLTMAX
45
30.7
15.4
10.2
7.7
VOLTMAX
48
32.8
16.4
10.9
8.2
VOLTMAX
50
34.1
17.1
11.4
8.5
VOLTMAX
54
36.8
18.4
12.3
9.2
VOLTMAX
55
37.5
18.8
12.5
9.4
VOLTMAX
60
40.9
20.5
13.6
10.2
VOLTMAX
66
46.4
23.2
15.5
11.6
VOLTMAX
68
45.0
22.5
15.0
11.3
VOLTMAX
72
49.1
24.6
16.4
12.3
VOLTMAX
75
51.2
25.6
17.1
12.8
VOLTMAX
90
61.7
30.8
20.6
15.4
VOLTMAX
99
67.8
33.9
22.6
17.0
VOLTMAX
108
73.7
36.8
24.6
18.4
VOLTMAX
120
82.2
41.1
27.4
16.1
VOLTMAX
132
90.5
45.2
30.2
22.6
VOLTMAX
144
98.7
49.3
32.9
24.7
VOLTMAX
150 102.4
51.2
34.1
25.6
VOLTMAX
165 112.6
56.3
37.5
28.1
VOLTMAX
180 122.8
61.4
40.9
30.7
3.4.2 DRAIN FAUCET
A drain valve is installed behind the unit. It allows
the boiler to be emptied, to make possible the
replacement of defective components.
