INSTALLATION
TEMPERATURE INCREASE ABOVE AMBIENT WATER TEMPERATURE
9.2 Data table
Model
Voltage
Phase
Wattage
Ampere
Min. required circuit breaker size
Recommended wire size
Min. water flow to activate unit
Pressure loss in unit
Nominal water volume
Working pressure max,
Tested to pressure
Weight
Water connections
- Suitable for supply with cold water
- Tankless water heaters are considered a non-continuous load
- Conductors should be sized to maintain a voltage drop of less than 3 % under load
10. Temperature increase above ambient water temperature
[ °F ]
Type
kW
GPM (gallon per minute)
0.32 0.42 0.48 0.5
AQC 3-1
3.0
65
49
43
AQC 3-2
2.5
54
40
35
3.3
71
53
47
AQC 4-2
2.9
–
47
41
3.8
–
61
54
AQC 4-3
4.5
–
73
64
AQC 5-2
3.6
–
58
51
4.8
–
77
68
AQC 6-2
4.5
–
–
64
6.0
–
–
85
AQC 8-2
5.4
–
–
–
7.2
–
–
–
AQC 9-3
9.0
-
-
-
AQC 10-2
7.2
–
–
-
9.6
–
–
-
Min. water fl ow to activate unit
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AQC 3-1
AQC 3-2
612437
612438
V
120 208 240 208 240
1
1
kW
3.0
2.5
3.5
A
25
12
14
A
30
15
20
AWG Copper
10
14
GPM / l/min
0.32 / 1.2
0.32 / 1.2
PSI / bar 2.88 / 0.23 2.88 / 0.23 2.88 / 0.23 2.88 / 0.23 2.88 / 0.23 2.88 / 0.23 3.13 / 0.25 3.75 / 0.30 3.75 / 0.30
GAL / l
0.13 / 0.5
0.13 / 0.5
PSI / bar
150 / 10
150 / 10
PSI / bar
300 / 20
300 / 20
lbs. / kg
4.6 / 2.1
4.6 / 2.1
" NPT
1/2
1/2
0.69 0.75 0.79 1.0
1.5
2.0
41
30
27
26
20
14
10
34
25
23
21
17
11
9
45
33
30
28
22
15
11
40
29
26
25
20
13
10
52
38
35
33
26
17
13
61
45
41
39
31
20
15
49
36
33
31
25
16
12
65
48
44
41
33
22
16
61
45
41
39
31
20
15
82
60
55
52
41
27
20
–
54
49
46
37
25
18
–
71
65
62
49
33
25
-
-
-
77
58
41
31
–
–
–
62
49
33
25
–
–
–
82
65
44
33
AQC 4-2
AQC 4-3
AQC 5-2
612439
612452
612440
277 208 240 208 240 208 240
1
1
1
1
1
2.9
3.8
4.5
3.6
14
16
17
18
20
20
20
30
12
12
12
12
10
0.42 / 1.6
0.42 / 1.6
0.42 / 1.6
0.13 / 0.5
0.13 / 0.5
0.13 / 0.5
150 / 10
150 / 10
150 / 10
300 / 20
300 / 20
300 / 20
4.6 / 2.1
4.6 / 2.1
4.6 / 2.1
1/2
1/2
Type
kW
AQC 3-1
3.0
AQC 3-2
2.5
3.3
AQC 4-2
2.9
3.8
AQC 4-3
4.5
AQC 5-2
3.6
4.8
AQC 6-2
4.5
6.0
AQC 8-2
5.4
7.2
AQC 9-3
9.0
AQC 10-2
7.2
9.6
Min. water fl ow to activate unit
AQC 6-2
AQC 8-2
AQC 9-3
612441
612442
612453
1
1
1
1
1
4.8
4.5
6.0
5.4
7.2
20
22
25
26
30
32.5
30
30
30
30
40
10
10
10
8
8
0.48 / 1.8
0.69 / 2.6
0.79 / 3.0
0.13 / 0.5
0.13 / 0.5
0.13 / 0.5
150 / 10
150 / 10
150 / 10
300 / 20
300 / 20
300 / 20
5.3 / 2.4
5.3 / 2.4
5.3 / 2.4
1/2
1/2
1/2
[ °C ]
l/min
1.2
1.6
1.8
2.0
2.6
3.0
36
27
24
22
17
14
30
22
20
18
14
12
39
30
26
24
18
16
–
26
23
21
16
14
–
34
30
27
21
18
–
40
36
32
25
22
–
32
29
26
20
17
–
43
38
34
26
23
–
–
36
32
25
22
–
–
48
43
33
29
–
–
–
–
30
26
–
–
–
–
40
34
-
-
-
-
-
43
–
–
–
–
–
34
–
–
–
–
–
46
AQC TANKLESS ELECTRIC WATER HEATERS |
AQC 10-2
612443
277 208 240
1
1
1
9.0
7.2
9.6
35
40
40
50
50
8
8
8
0.79 / 3.0
0.13 / 0.5
150 / 10
300 / 20
5.3 / 2.4
1/2
1/2
4.0
5.0
7.5
11
9
6
9
7
5
12
9
6
10
8
6
14
11
7
16
13
9
13
10
7
17
14
9
16
13
9
22
17
11
19
15
10
26
21
14
32
26
17
26
21
14
34
28
18
7