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www.stiebel-eltron-usa.com DHC-E | 7
INSTALLATION
COMMISSIONING
8.2 DHC-E 11 L
The DHC-E 11 L is only designed for a 208 V or 220 V connection.
Do not connect to a 120 V or a 230–240 V electrical service.
8.3 Temperature setting/anti-scalding protection
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f Connect the lead of the electronic temperature control to po-
sition “A1” in order to get the maximum outlet temperature
of 140 °F (60 °C).
The maximum temperature can be limited to 109 °F (43 °C):
f Connect the lead of the electronic temperature control to po-
sition “A2”.
f Reinstall the plastic cover.
8.4 Terminal block
Consult the chart below for the recommended torque amounts on
the terminal block screws.
Screw Size (mm) Min. Torque (N•cm) Min. Torque (lbf•in)
M6 200–250 17.7–22.1
Using the proper torque specifications to secure wire to the wiring
block helps to avoid personal loss or property damage.
9. Commissioning
DANGER: Electrocution
Commissioning must only be carried out by an autho-
rized contractor in accordance with safety regulations.
!
Damage to the appliance and the environment:
Open hot water faucet for a few minutes until water flow
is continuous and all air is purged from water pipes. The
appliance’s plastic cover must be installed before the cir-
cuit breaker is turned on.
f Turn on circuit breaker to bring electrical power to the
appliance.
f Turn the temperature selector clockwise and anti-clockwise,
to calibrate the temperature selector.
f Adjust the water temperature to the desired level using the
knob on the front cover of the appliance.
f Turn on hot water and wait twenty seconds until temperature
has stabilized.
f Check the water temperature with your hand and make sure
that it does not feel too hot. Reduce temperature if this is
necessary. A setting of 108–116 °F (42–47 °C) is recommended
for most applications.
f Explain to the user how the appliance works and familiarise
him or her with its use.
f Advise the user about possible hazards (hot water tempera-
ture up to 140 °F (60 °C). Hand over these instructions, to be
kept for future reference.
f A setting of 108–116 °F (42–47 °C) is recommended for most
applications.
9.1 Appliance handover
Explain the functions of the appliance to the user. Draw special
attention to the safety information. Hand the operating and instal-
lation instructions to the user.
10. Troubleshooting
DANGER: Electrocution
To test the appliance, it must be supplied with power.
10.1 Diagnostic lights
Display options
red illuminates in case of faults
yellow illuminates when the appliance is heating water
green flashing: The appliance is supplied with power
1
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1 LED diagnostic “traffic lights”
10.2 Fault table
Symptom Possible Cause f Solution
No hot water
circuit breaker off
safety thermal cut-out
tripped
turn circuit breaker on
reset thermal cut-out
not enough flow rate to
activate appliance
clean filter screen at appli-
ance
clean faucet aerator or
shower head
Not enough hot water filter screen clogged clean filter screen at appli-
ance
Water not hot enough water flow too high
reduce water flow rate until
light on front cover stops
blinking
supply correct voltage to ap-
pliance
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