Ariston Thermo SGA X 120 Instrucciones Para El Uso Y La Manutención página 29

DISCHARGE
Empty the appliance should this remain
inactive in unheated premises, with envi-
ronmental temperatures below zero.
Upon installation, envision such eventua-
lity and connect a drain cock to fitting R.
TO EMPTY THE WATER HEATER:
• Switch-off the burner and close the
gas supply
• Close the shut-off cock upstream of
the appliance;
• Open the use cocks downstream from
the water heater;
• Open the drain cock connected to fit-
ting R.
T
utilizzazione
user
RECIRCULATION
Should the utility plant also include the
circuit for the DHW recirculation, the
same fitting R.
used for draining can be used.
The circuit at the side schematises the
connection to be carried out in this case.
valvola unidirezionale unidirectional valve
U E
valvola di
Safety
sicurezza
valve
alimentazione
S
Supply
R
ricircolazione
Recirculation
T
scarico
Drain
GB
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