Residual Head Of The Boiler; Excessive Pressure Device; Cleaning The Heating System - Ariston GENUS PREMIUM EVO HP 45 Design, Installation And Servicing Instructions

installation
The hydraulic system have to be dimensioned and complete with
all accessories that ensure the smooth operation.
In particular it is necessary to provide all protective equipment and
safety requirements by law.
GENUS PREMIUM EVO HP 85/100 is not provided with pump.
Is necessary to install a pump into the heating circuit. The circulation
pump available as a kit.
GENUS PREMIUM EVO HP 85/100
Two speed circulation Pump
GENUS PREMIUM EVO HP 85/100/115/150
Modulating circulation Pump
Warning!
The appliance is not equipped with an expansion vessel and
must be connected by the installer.
Warning
The appliance is not equipped with a pressure safety device;
install in accordance with the regulations in force.
14
Graph representing the available circulation pump pressure
1000
900
800
700
600
500
400
300
200
45
100
0
600 1000 1400 1800
* The circulation pump for Genus Premium Evo HP 85/100 and 115/150 is
available as a KIT
Warning
For appliances connected to the water mains by detachable
hose-sets shall state that the new hose-sets supplied with the
appliance are to be used and that old hose-sets should not be
reused.

Excessive pressure device

The excessive pressure device outlet must be connected to a
drainage siphon which can be checked visually in order to prevent
maintenance procedures causing harm to people, animals or
property (the manufacturer shall not be held responsible for any
such damage).

Cleaning the heating system

Where the boiler is used in conjunction with an older system,
various substances and additives may be present in the water and
these could have an adverse eff ect on the operation and durability
of the new boiler. Before replacing the old boiler, you must arrange
for the system to be cleaned thoroughly in order to eliminate any
residue or dirt which could compromise the correct operation of
the water heater. Make sure the capacity of the expansion vessel is
suited to the amount of water contained in the system.
85/100*
65
2200 2600 3000 3400 3800
[l/h]
4200 4600