Ariston Thermo SGA X 300 Instructions Pour L'installation Et L'entretien page 28

GB
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 fi tting 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 fi t-
ting R.
C
SUPPLY
Alimentation
DRAIN
Vidange
28
SAFETY
VALVE
Dispositif de sûreté
S
APPAREIL
VU DE DOS
R
T
RECIRCULATION
Should the utility plant also include the
circuit for the DHW recirculation, fi tting R.
used for draining.
The circuit at the side schematises the
connection to be carried out in this case.
COLD WATER
Eau froide
Eau chaude
CIRCULATION
Circulation
UNIDIRECTIONAL VALVE
Valve unidirectionnelle
VIEW
REAR
DEVICE
T
DHW
GAS
Alim. gaz