STIEBEL ELTRON DHC-E 12 - Manual (Page 7)

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WWW.STIEBEL-ELTRON-USA.COM DHC-E | 7
INSTALLATION
COMMISSIONING
6.2 Temperature setting/anti-scalding protection
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 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):
 Connect the lead of the electronic temperature control to po-
sition „A2“.
 Reinstall the plastic cover.
7. Commissioning
DANGER Electrocution
Commissioning must only be carried out by an authorised
contractor in accordance with safety regulations.
!
Damage to the appliance and the environment
Open hot water faucet for a few minutes until water fl ow
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.
 Turn on circuit breaker to bring electrical power to the
appliance.
 Turn the temperature selector clockwise and anti-clockwise,
to calibrate the temperatur selector.
 Adjust the water temperature to the desired level using the
knob on the front cover of the appliance.
 Turn on hot water and wait twenty seconds until temperature
has stabilized.
 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 °F - 116 °F (42 - 47 °C) is recom-
mended for most applications.
 Explain to the user how the appliance works and familiarise
him or her with its use.
 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.
 A setting of 108 °F - 116 °F (42 - 47 °C) is recommended for
most applications.
7.1 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.
8. Troubleshooting
Danger of electrocution
To test the appliance, it must be supplied with power.
8.1 Display options LED diagnostic „traffi c 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
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1 LED diagnostic „traffi c lights“
8.2 Fault table
Symptom Possible Cause  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
appliance
 If you are not able to resolve a problem please contact us,
see last side, before removing the appliance from the wall.
STIEBEL ELTRON is happy to provide technical assistance. In
most instances, we can resolve the problem over the phone.
9. Normal maintenance
STIEBEL ELTRON tankless water heaters are designed for a very
long service life. Actual life expectancy will vary with water qual-
ity and use. The appliance itself does not require any regular
maintenance.