Hydraulic Connections; Hydraulic Safety - Ariston Chaffoteaux CKZ Serie Instrucciones De Instalacion Y Uso

installation
HYDRAULIC CONNECTION
Before making the hydraulic connections, the supply pipes
must be thoroughly cleaned to prevent the introduction of
metal or other par- ticles.
f copper pipes are being used, the hot water outlet must be
connec- ted using a dielectric joint to prevent galvanic
corrosion (iron/copper). An approved safety valve assembly
must be used.
Install a vent on the tank's top connection (domestic hot
water out- let).
It is strongly recommended to fit a screen filter to the
general cold water supply to prevent the introduction of
foreign matter such as sand, gravel, mud, etc.
Domestic hot water from the tanks can reach high
temperatures. A solar-type thermostatic mixer must
therefore be installed before the domestic hot water is
distributed to the catchment points. The set- point
temperature at the catchment points must conform to
appli- cable regulations.

HYDRAULIC SAFETY

Any installation must include a correctly sized hydraulic
safety device to protect against:
• Overpressure in the distribution network.
• Overpressure due to a temperature rise.
Any flow resulting from overpressure must not be
restricted. This means the drainage pipe must be at a
sufficient, continuous gradient and be of a suitable diameter
for the network. Irrespective of the type of installation, it
must have a cold water shut-off valve upstream of the safety
unit.
The size of the hydraulic safety device depends on:
• the capacity of the appliance,
• the power of the installed appliance.
Safety units for the whole range are available for purchasing
and installation on appliance.
N.B.
A hydraulic sealing test must be carried out after each
operation on the hydraulic installation.
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