– 10 –
10. Technical
Data
DHE
DHE 12
DHE 15
DHE 20
DHE 24
DHE 29
DHE 36
612446
612447
612448
612449
612450
612451
Electrical details
Phase
V
208
240
208
240
208
240
208
240
208
240
208
240
Voltage
kW
9
12
10.8
14.4
14.4
19.2
18
24
21.6
28.8
27
36
Max. amp. load
A
44
50 2 x 26 2 x 30 2 x 35 2 x 40 2 x 44 2 x 50 3 x 35 3 x 40 3 x 44 3 x 50
Min. required circuit breaker size
A
60
60 2 x 40 2 x 40 2 x 50 2 x 50 2 x 60 2 x 60 3 x 50 3 x 50 3 x 60 3 x 60
Frequency
Hz
50/60
50/60
50/60
50/60
50/60
50/60
Power connection
1/N/GRD
2/GRD
2/GRD
2/GRD
3/GRD
3/GRD
Required wire size
AWG Copper
6
6
2 x 8
2 x 8
2 x 8
2 x 8
2 x 6
2 x 6
3 x 8
3 x 8
3 x 6
3 x 6
Connections
Water connection
3/4˝ NPT
3/4˝ NPT
3/4˝ NPT
3/4˝ NPT
3/4˝ NPT
3/4˝ NPT
Max. cold water temperature
°C
42
42
42
42
42
42
Max. cold water temperature
°F
108
108
108
108
108
108
Hydraulic data
Rated capacity
l
0.5
1.0
1.0
1.0
1.5
1.5
Rated capacity
gal
0.13
0.26
0.26
0.26
0.39
0.39
Values
ON
l/min
1.4
1.9
1.9
1.9
2.9
2.9
ON
GPM
0.37
0.5
0.5
0.5
0.77
0.77
Max. permissible inlet temperature
°C
55
55
55
55
55
55
Max. permissible inlet temperature
°F
131
131
131
131
131
131
Application limits
Max. permissible pressure
MPa
1.0
1.0
1.0
1.0
1.0
1.0
Max. permissible pressure
PSI
150
150
150
150
150
150
Test pressure
MPa
2.0
2.0
2.0
2.0
2.0
2.0
Test pressure
PSI
300
300
300
300
300
300
Versions
Temperature display
digital
digital
digital
digital
digital
digital
Cap and back panel
Sheet steel
Sheet steel
Sheet steel
Sheet steel
Sheet steel
Sheet steel
Color
grey
grey
grey
grey
grey
grey
Dimensions
Height
mm
369
369
369
369
369
369
Height
in
14.52
14.52
14.52
14.52
14.52
14.52
Width
mm
420
420
420
420
420
420
Width
in
16.54
16.54
16.54
16.54
16.54
16.54
Depth
mm
117
117
117
117
117
117
Depth
in
4.61
4.61
4.61
4.61
4.61
4.61
Weights
Weight
kg
6.1
7.3
7.3
7.3
8.6
8.6
Weight
lb
13.5
16.1
16.1
16.1
19
19
- Tankless water heaters are considered a non-continuous
load
- Conductors should be sized to maintain a voltage drop of
less than 3 % under load
