Ariston microSYSTEM 21 RFFI User Manual

Turning off central heating
To turn off the central heating, push the “C”
button and the green L.E.D. ”D” will go off.
The boiler will remain electrically supplied
and frost protection will be active for
temperatures below 6°C.
C
D
11
External (room) thermostat
control
If an external (room) thermostat is installed,
it is recommended that the temperature of
the heating system be set (by means of the
knob “G”) at the “ECO” position. This will
allow the regulation of the external
temperature to operate effectively and
obtain energy efficiency and good
performance
from the boiler.
G
UT013Ag
UT013Ab

Ariston microSYSTEM 21 RFFI Specifications

General

Brand	Ariston
Model	microSYSTEM 21 RFFI
Category	Boiler
Language	English