Caution
The appliance is intended to be permanently
connected to the domestic water mains network.
Caution
Respect the minimum and maximum water inlet
pressure to ensure correct operation of the
appliance: refer to the chapter Technical
Specifications.
Caution
Draining the appliance:
1. Shut off the domestic cold water inlet.
2. Open a hot water tap in the installation.
3. Open a valve on the safety unit.
4. When the water stops flowing, the appliance
has been drained.
See
For the domestic hot water operating temperature
limits: refer to the chapter Technical Data,
Domestic Hot Water Tank.
See
Setting the domestic hot water temperature set
point: refer to the chapter "Setting the domestic
hot water temperature set point".
Caution
Pressure limiter device: refer to the chapter
Special precautions to be taken when connecting
the domestic hot water circuit (Installation and
Service Manual).
The pressure limiter device (safety valve or
safety unit) must be regularly operated in order
to remove limescale deposits and ensure that it
is not blocked.
A pressure limiter device must be fitted to a
discharge pipe.
As water may flow out of the discharge pipe, the
pipe must be kept open to the open air, in a
frost-free environment, and at a continuous
downward gradient.
Caution
A pressure reducer (not provided) is required
when the supply pressure exceeds 80% of the
safety valve or safety unit calibration and must be
located upstream of the appliance.
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