ATTACK KST, Instructions For Use Manual

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Indication during operation of KT Plus, KT small Plus, KST Plus
Heating
Requirement for heating (generated from room thermostat or Open therm regulator) is indicated by
flickering of LED diodes at radiator symbol (see page 13 - pic.1). Display (see page 11 - pic.1)
projects actual temperature at the inlet into heating appliance and during waiting time for heating, the
„
d2
“ text is displayed.
Domestic hot water
Requirement for D.H.W. (activated by taking of D.H.W. ) is signalized by flickering of LED diodes by
symbol of water tap (see page 8 - pic.1).
Display projects actual temperature at the D.H.W. outlet and during the waiting time for D.H.W., there
is a text „
d1 “.
Disconnection of water heater KT small Plus, KT Plus (economy)
Water warming - i.e. temperature keeping in the water heater can be turned off. In case that you turn
this function off, no D.H.W. will be produced.
User can turn the heater off (ECO regime) by pressing ECO/Comfort button (see page 7 - pic.1). In
the ECO regime, appropriate yellow control light is turned on (see page 12 - pic.1) To reactivate the
COMFORT regime, press the button ECO/COMFORT (poz. 7- obr.1 ) again.
Comfort of water heating KST Plus
Requirement for Comfort regime (comeback to original internal boiler temperature) is signalized by
flickering of LED diodes by symbol of water tap (see page 9-pic.1). Water in exchanger is
permanently warmed to temperature of 45°C. Display (see page 11-pic.1) shows actual temperature of
water in the boiler.
Start and stop of boilers KT Plus, KT small Plus, KST Plus
Boiler start
Connect appliance into electricity mains. The „FH“ is displayed within next 120 seconds, which
signalizes deareation cycle of the heating appliance. Also the version of the card software is displayed
within first 5 seconds. Open the gas valve installed on connection in front of the boiler. After
expiration of the FH text is boiler prepared for automatic operation after every usage of the DHW or
in case of requirement of the room thermostat.
Boiler stop
Hold button (see 7 - Pic.1 ) for 5 seconds.
The control electronics remains connected to the electricity mains after the boiler is shut down.
Operation of DHW warming and heating is turned off. To turn the boiler on again, hold the button for
5 seconds (see 7 - Pic.1). Boiler will be immediately ready for operation by every DHW usage or by
activation per the room thermostat. After interruption of the electrical or gas connection of device is
the antifreeze system inactive. During long-time interruption of operation, to avoid of damages caused
by frost, it is recommended to release all water from the boiler, DHW and water from supply system,
or to release only DHW and fill the supply system with antifreeze mixture that conforms to conditions
given in this manual.