Operating instructions ecoTEC plus 93710
d
Danger!
Health danger from formation of Legionella!
If the unit is used to provide heat support in a
solar-supported drinking water heating
installation the hot water draw-off temperature
must be set to at least 60 °C using the
knob (1).
4.4.2 Switching on/off the warmstart function
The warmstart function of the ecoTEC combination
boiler immediately provides hot water at the required
temperature without having to wait for it to heat up. To
do this, the hot water heat exchanger of the ecoTEC is
kept at a pre-selected temperature level. This level is
maintained by the hot water preparation system
switching on at intervals.
b
c
b
a
1
1
Fig. 4.7 Switching on/off the warmstart function
• The warmstart function is activated by turning the
knob (1) in a clockwise direction to the end stop briefly
(setting a).
The "
" symbol is displayed.
• Then select the desired hot water draw-off
temperature e.g. setting b, see Section 4.4.1.
The unit automatically matches the warmstart
temperature to the set hot water temperature. The
heated water is then immediately available when you
draw it off.
The "
" symbol is displayed.
• The warmstart function is de-activated by turning the
knob (1) in an anti-clockwise direction to the end stop
briefly (setting c).
The symbol "
"disappears.
• Then select the required hot water outlet temperature
again, e.g. setting b.
4.4.3 Storage tank charging mode
The storage tank charging of the layer charging storage
tank can be activated and de-activated using the
operating elements on your boiler.
h
Note!
The storage tank charging is de-activated ex-
works and must be activated during initial
commissioning.
The storage tank charging of the layer charging storage
tank is only active if the warmstart function is switched
on.
This is shown by the symbol
in the display (see
Section 4.4.2).
If the storage tank charging function is switched on you
can use the knob for the hot water draw-off temperature
to set the following temperatures:
– Knob setting "b“ 50 °C
– Knob setting "a“ 65 °C
If the storage tank charging function is switched off you
can use the knob for the hot water draw-off temperature
to set the following temperatures:
– Knob setting "c“ 35 °C
– Knob setting "a“ 65 °C
b
c
a
c
a
1
1
1
Fig. 4.8 Setting range for the storage tank temperature
4 Operation
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