| |
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Stiebel
Eltron Tempra Tankless Water Heater Technical Data |
|
Tempra® Model
|
|
12
|
15
|
20
|
24
|
29
|
36**
|
|
Phase
|
|
1 |
1 |
1 |
1 |
1 |
1 |
|
Voltage
|
V
|
208 |
240 |
208 |
240 |
208 |
240 |
208 |
240 |
208 |
240 |
208 |
240 |
|
Wattage
|
kW
|
9 |
12 |
10.8 |
14.4 |
14.4 |
19.2 |
18 |
24 |
21.6 |
28.8 |
27 |
36 |
|
Amperage
|
A
|
44 |
50 |
52 |
60 |
70 |
80 |
88 |
100 |
105 |
120 |
132 |
150 |
|
Min. required circuit breaker size
|
A
|
60 |
60 |
2x40 |
2x40 |
2x50 |
2x50 |
2x60 |
2x60 |
3x50 |
3x50 |
3x60 |
3x60 |
|
Recommended 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 |
|
Maximum temp. increase
|
@1.50 GPM
|
41 |
54 |
49 |
65 |
66 |
88 |
82 |
92 |
92 |
92 |
92 |
92 |
|
above ambient water temp.
|
@2.25 GPM
|
27 |
36 |
37 |
43 |
44 |
58 |
54 |
73 |
66 |
87 |
82 |
92 |
| |
@3.00 GPM
|
20 |
27 |
25 |
33 |
33 |
44 |
41 |
54 |
49 |
66 |
61 |
82 |
| |
@4.50 GPM
|
- |
- |
- |
- |
22 |
29 |
27 |
37 |
33 |
44 |
41 |
55 |
|
Min. water flow to activate unit
|
GPM / Lmin
|
0.29 / 1.1 |
0.58 / 2.2 |
0.58 / 2.2 |
0.58 / 2.2 |
0.87 / 3.3 |
0.87 / 3.3 |
|
Weight
|
Lb / Kg
|
15 / 6.8 |
18 / 8.1 |
21 / 9.5 |
18 / 8.1 |
24.25 / 11 |
24.25 / 11 |
|
Nominal water volume
|
Gal / L
|
0.13 / 0.5 |
0.26 / 1.0 |
0.26 / 1.0 |
0.26 / 1.0 |
0.39 / 1.5 |
0.39 / 1.5 |
|
Width
|
inch / cm
|
14 9/16 /
37 |
21 3/4 /
55.2 |
21 3/4 /
55.2 |
|
Height
|
inch / cm
|
14 1/2 /
36.7 |
|
Depth
|
inch / cm
|
4 5/8 /
11.6 |
|
Working pressure
|
PSI / BAR
|
150 / 10 |
|
Tested to pressure
|
PSI / BAR
|
300 / 20 |
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Water connections
|
|
3 / 4" NPT |
* Tempra™ 36 requires a 300A
minimum electrical service
* Suitable for
supply with up to 107° F / 42° C
* Tankless water
heaters are considered a non-continuous load
* Conductors
should be sized to maintain a voltage drop of less than 3%
under load
** Tempra™ 36
requires a 300A minimum electrical service |
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800-868-6008
