Stiebel Eltron DHX 3.5-1 200067 Trend Point-of-Use Tankless Electronic Water Heater, 120V, 3500 Watts , White

User Manual - Page 22

For DHX 3.5-1.

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INSTALLATION
¼êÐ|ŒêĒĉ
22 | DHX Trend & DHX Plus www.stiebel-eltron-usa.com
17.3 Hot water output
The domestic hot water (DHW) output is subject to the connected
power supply, and the cold water inlet temperature. The rated volt-
age and rated output can be found on the type plate.
Power output in kW 100 °F DHW output in gpm
Rated voltage Cold water inlet temperature
Model ĜŝƃŨp ŝƃÄŨp ŝÔƃŨp 41 °F 50 °F 59 °F 68 °F
DHX
3.5-1
Trend 3.5 0.41 0.48 0.58 0.75
DHX 8-2
Trend
5.4 0.63 0.74 0.9 1.15
7.2 0.83 0.98 1.2 1.54
DHX 10-2
Trend
7.2 0.83 0.98 1.2 1.54
9.6 1.11 1.31 1.6 2.05
DHX 12-2
Trend &
Plus
9.0 1.04 1.23 1.5 1.92
12.0 1.39 1.64 2.0 2.56
DHX 15-2
Trend &
Plus
10.8 1.24 1.46 1.78 2.28
14.4 1.67 1.97 2.4 3.07
Power output in kW 122 °F DHW output in gpm
Rated voltage Cold water inlet temperature
Model ĜŝƃŨp ŝƃÄŨp ŝÔƃŨp 41 °F 50 °F 59 °F 68 °F
DHX
3.5-1
Trend 3.5 0.3 0.33 0.38 0.44
DHX 8-2
Trend
5.4 0.46 0.51 0.59 0.68
7.2 0.61 0.68 0.78 0.91
DHX 10-2
Trend
7.2 0.61 0.68 0.78 0.91
9.6 0.81 0.91 1.04 1.21
DHX 12-2
Trend &
Plus
9.0 0.76 0.85 0.98 1.14
12.0 1.01 1.14 1.3 1.52
DHX 15-2
Trend &
Plus
10.8 0.9 1.02 1.16 1.35
14.4 1.21 1.37 1.56 1.82
Power output in kW 38 °C DHW output in l/min
Rated voltage Cold water inlet temperature
Model ĜŝƃŨp ŝƃÄŨp ŝÔƃŨp 5 °C 10 °C 15 °C 20 °C
DHX
3.5-1
Trend 3.5 1.5 1.8 2.2 2.8
DHX 8-2
Trend
5.4 2.3 2.8 3.4 4.3
7.2 3.1 3.7 4.5 5.7
DHX 10-2
Trend
7.2 3.1 3.7 4.5 5.7
9.6 4.2 4.9 6.0 7.6
DHX 12-2
Trend &
Plus
9.0 3.9 4.6 5.6 7.1
12.0 5.2 6.1 7.5 9.5
DHX 15-2
Trend &
Plus
10.8 4.6 5.5 6.6 8.5
14.4 6.2 7.3 8.9 11.4
Power output in kW 50 °C DHW output in l/min
Rated voltage Cold water inlet temperature
Model ĜŝƃŨp ŝƃÄŨp ŝÔƃŨp 5 °C 10 °C 15 °C 20 °C
DHX
3.5-1
Trend 3.5 1.1 1.3 1.4 1.7
DHX 8-2
Trend
5.4 1.7 1.9 2.2 2.6
7.2 2.3 2.6 2.9 3.4
DHX 10-2
Trend
7.2 2.3 2.6 2.9 3.4
9.6 3.0 3.4 3.9 4.6
DHX 12-2
Trend &
Plus
9.0 2.9 3.2 3.7 4.3
12.0 3.8 4.3 4.9 5.7
DHX 15-2
Trend &
Plus
10.8 3.4 3.8 4.4 5.1
14.4 4.6 5.1 5.9 6.9
17.4 Application areas/conversion table
Here data is shown for electrical resistivity and electrical conduc-
tivity.
Standard specifica-
ŒêĒĉ|ŒĜÑŨ³
ŝƃŨ³
ŝÑŨ³
Min.
resistivity
ρ≥
Max.
conductivity ı
Min.
resistivity
ρ≥
Max.
conductivity ı
Min.
resistivity
ρ≥
Max.
conductivity ı
Ωcm mS/m μS/cm Ωcm mS/m μS/cm Ωcm mS/m μS/cm
1100 91 910 970 103 1031 895 112 1117
17.4.1 Sizing the pipework
When calculating the size of the pipework, an water heater pressure
drop of 14.5 psi (0.1MPa) is recommended.
17.5 Fault conditions
In the event of a fault, temperatures up to 176 °F (80 °C) at a pressure
of 145 psi (1.0 MPa) can occur briefly in the installation.
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