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-o the burner and close the
gas supply
• Close the shut-o cock upstream of
the appliance;
• Open the use cocks downstream from
the water heater;
• Open the drain cock connected to fi t-
ting R.
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.
C
T
R
T
S
Eau froide
Eau chaude
Circulation
Valve unidirectionnelle
Dispositif de sûreté
Alimentation
APPAREIL
VU DE DOS
Vidange
Alim. gaz
COLD WATER
DHW
DRAIN
GAS
CIRCULATION
SUPPLY
SAFETY
VALVE
UNIDIRECTIONAL VALVE
VIEW
REAR
DEVICE
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