Temporary Shutdown; Preparing For Extended Periods Of Disuse - Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual

THECNICAL ASSISTANCE SERVICE

3 .4 Temporary shutdown

If you are going to be away for a short period of time like
a weekend or a short holiday, etc. proceed as follows:
− Press and hold the
appears under "stand-by" mode.
Provided power to the boiler remains switched on, as
shown by the green LED, and the fuel supply remains
open, the boiler remains protected by the frost protec-
tion function:
Boiler frost protection: If boiler temperature falls below
5°C, the burner starts up at full power until boiler tem-
perature reaches 10°C;
CH frost protection: This function is only active if an
outdoor temperature sensor is connected. If outside
temperature drops below -5°C the pumps are switched
on. If outside temperature is between -4° and 1.5°C, the
pumps are switched on for 10 minutes at intervals of 6
hours. If outside temperature is above 1.5°C the pumps
are switched off.

3 .5 Preparing for extended periods of disuse

9
Do not perform the following steps if the boiler is
connected to a solar heating system, but leave the
boiler in stand-by instead.
If the boiler is not going to be used for an extended pe-
riod of time, proceed as follows to prepare it for shut-
down:
− Turn the control panel power switch OFF and
make sure that the green power indicator goes
out
− Turn the system's main power switch OFF
− Close the fuel shut off cock and the central hea-
ting and DHW circuit shut off cocks.
9
Under these conditions the system is not protected
against frost. Drain the central heating circuit and
domestic hot water circuit if there is any risk of fre-
ezing.
M
key until the bar (1)
O N
O F F
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