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Temperature setting
See item Control panel.
Delay in connection following a voltage interup-
tion
Active delay is indicated by the flashing of the
status indicator, see item 10, and Control panel.
Switched off main switch or triggered overhea-
ting (maximum safe temperature) protection,
have the same result as a voltage outage.
Loading relay
The loading relay limits the boiler output when
other appliances (e.g. washing machine, cooker)
are in operation at the same time as the boiler.
Then, as soon as the situation allows it, the se-
lected output level is automatically back on. The
situation where the loading relay limits the boiler
output is indicated by the flashing of the status
indicator, see item 10 and Control panel.
Room thermostat / External switching
If a room thermostat is connected to the boiler, it
is to be used in limiting the maximum room tem-
perature. Situation where the room thermostat /
external swithing are limiting the boiler output,
is indicated by the flashing of the status indicator,
see item 10 and Control panel.
Overheating (maximum safe temperature)
protection
The electric boiler's overheating (maximum safe
temperature) protection is triggered at approx.
95 °C. Resetting is possible when the tempera-
ture has dropped to below 80 °C. Press down the
Overheating protection button using a small object
(press button hard), see item 3, Control panel.
Measures to be taken when there is a risk of
Assembly instructions | LK Electric Boiler 11-n
freezing
Whenever there is a risk of freezing, do not shut
down any part of the heating system as fracture
may occur due to freezing. Should some part of
the heating system show signs of having frozen,
call a plumber to assess the situation and damage.
If the heating system needs to be shut down, it
must be drained or alternatively the system needs
to be filled with a mixture of water and glycol.
Draining
Before draining the system, cut of the power
supply to the boiler in order to avoid damaging
the electric cartridge.
Automatic air-bleeding valve
Safety valve
Overflow pipe
Air valve for expansion vessel
to facilitate control and filling
with air.
Circulation pump
EN.33.C.94.1702
13 (15)
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