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Worcester-Bosch GREENSPRING CWi47 Manual

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Operating instructions
GREENSPRING CWi47 – 6 720 646 322 (2015/04)
5.5 Operation
Turn ON the main switch and the appliance is ready to work.
▶ When a hot water tap is opened, main burner ignites and
LCD displays indication
.
Fig. 18
5.6 Draining down the appliance
If there is a risk of freezing, proceed as follows:
▶ Close the cold water valve of the water heater(s).
▶ Open hot water taps to drain the water heater(s).
▶ Remove all the water contained inside of the appliance.
5.7 Reset button
If the LCD shows the error symbol do not shut off power or
unplug the water heater. Follow instructions below to reset the
error first.
Record the error code on LCD and consult Chapter 11 to
identify the error.
Fig. 19 Error code
After following instructions indicated in “Troubleshooting”.
Chapter
11.
This appliance has an electronically
controlled gas valve that modulates the
burner input in response to both varying hot
water flow rates and/or changes in any
incoming and outgoing water temperatures.
LCD flashes until selected temperature is
reached.
CAUTION:
To avoid damage to the appliance care
should be taken not to install the water
heater where there is a risk of freezing
conditions.
6720608920-22.1AL
The internal frost protection is designed to
provide protection for the water heater down
to approximately -10
°C for short term
conditions only. It will not protect the
appliance in areas where the temperature is
frequently expected to be below freezing.-
The frost protection will not protect the
installation outside the appliance from
freezing. Suitable measures should be taken
to protect the installation against frost
damage.
This appliance has an error code system.
These codes are shown on the LCD display.
(Fig.
8, [4]).
6720608920-14.1AL
… 17 …


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