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Technical Data
Model DHC-E 8 DHC-E 10
Water connections 1/2" NPT
Weight lbs. / kg 5.9 / 2.7 5.9 / 2.7
Tested to pressure 300 PSI / 20 bar
Working pressure max. 150 PSI / 10 bar
Nominal water volume 0.13 GAL / 0.5 l
Min. water flow
to activate unit
GPM / l/min
0.45 / 1.7 0.45 / 1.7
Pressure loss in unit PSI / bar 1.46 / 0.1 1.46 / 0.1
Recommended wire size
AWG COPPER 10 8 8 8
Min. required circuit breaker size
A 30 40 40 50
Ampere A 26 30 35 40
Wattage kW 5.4 7.2 7.2 9.6
Voltage V 208 240 208 240
Phase
11
Troubleshooting
If you are not able to resolve a problem please contact us toll free at 800-582-8423 before removing the unit from the wall.
STIEBEL ELTRON is happy to provide technical assistance. In most instances, we can resolve the problem over the phone.
Symptom Possible Cause Solution
No hot water
Water not hot enough
LED displays one of the following fault codes :
91, 92, 93, 94, 95, 96, 97
– circuit breaker off
– safety thermal cut-out tripped
– not enough flow rate to activate unit
– water flow too high
– voltage too low
– problem with electronic controls
– turn circuit breaker on
– reset thermal cut-out
– clean filter screen at unit
– clean faucet aerator or shower head
– reduce water flow rate until light on
front cover stops blinking
– supply correct voltage to unit
– contact STIEBEL ELTRON.
Spare parts
No. Spare part Model DHC-E 8 DHC-E 10
1 Heating system 17 03 03 17 03 04
2 Electronic control device 17 03 07
3 Safety thermal cut out 17 03 05
4 Flow sensor 17 03 02
5 Plumbing connection 16 58 93
6 Housing (back) 16 58 91
7 Housing (front) 17 03 06
8 Filter screen 15 31 68
9 Module chassis 16 35 60
10 Hall sensor 08 09 35
11 Temperature adjustment rotary switch 16 24 62
– Suitable for supply with up to 95 °F / 35 °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
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