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Installation
8
Perform Operational Test No. 2
Each model has precise specifications for temperature rise capabilities.
A
Turn on hot water faucet/fixture/process
(min flow rate of 1 .5 gpm/5 .7 L/Min) . The
heater should activate immediately .
If the water flow exceeds maximum heating capacity of the heater, the temperature of water at the outlet
may be lower than the temperature selected on the controller. See table below to determine maximum
temperature rise capabilities.
CNA-Series
Models 480/600V
kW
CNA-36
36
CNA-54
54
CNA-63
63
CNA-72
72
CNA-108
108
CNA-126
126
CNA-144
144
Models 480/600V
kW
CNA-36
36
CNA-54
54
CNA-63
63
CNA-72
72
CNA-108
108
CNA-126
126
CNA-144
144
Bradley • 215-1814 Rev. G
Temperature Rise (gpm & F°)
2 gpm
4 gpm
6 gpm
ΔT °F
ΔT °F
ΔT °F
122
62
40
93
60
107
71
124
80
120
143
Temperature Rise (Lpm & C°)
7 .6 Lpm
15 .1 Lpm
22 .7 Lpm
30 .2 Lpm
ΔT °C
ΔT °C
ΔT °C
68
34
22
52
33
59
39
69
44
67
79
B
Turn off hot water faucet/fixture/process .
The flow sensor will deactivate and shut
off power to the heater .
8 gpm
10 gpm
12 gpm
15 gpm
ΔT °F
ΔT °F
ΔT °F
ΔT °F
30
24
20
45
37
31
53
43
35
80
49
40
90
74
61
107
86
71
120
96
82
37 .8 Lpm
45 .4 Lpm
56 .7 Lpm
ΔT °C
ΔT °C
ΔT °C
ΔT °C
17
13
11
25
21
17
29
24
19
44
27
22
50
41
34
59
48
39
67
53
46
8/1/2021
CNA-Series Tankless Heater
20 gpm
25 gpm
30 gpm
ΔT °F
ΔT °F
ΔT °F
16
12
24
18
14
29
21
17
14
33
24
20
16
49
36
29
24
57
43
34
28
66
49
39
33
75 .6 Lpm
94 .5 Lpm
113 .4 Lpm
ΔT °C
ΔT °C
ΔT °C
9
7
13
10
8
16
12
9
18
13
11
27
20
16
13
32
24
19
16
37
27
22
18
35 gpm
ΔT °F
14
21
25
28
132 .5 Lpm
ΔT °C
8
9
8
12
14
16
13
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