Riello 20145980, Руководство по установке и обслуживанию

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TYPICAL SYSTEM SCHEMATIC
3 TYPICAL SYSTEM SCHEMATIC
EAF
PC
RI
1
UAC
PRS
EAF
1
6
MI
1
1 1 2
1
5 (*)
1 3 4
9
Do not use a check valve in the hydraulic connections to the heating system consumption points.
9
The safety valves must be connected to a suitable collection and drain system.
9
The selection and the installation of the components of the system is the responsibility of the installer, who must operate in
accordance with good practice and current Legislation.
9
If needed, water supplies and recovery circuits must be conditioned by suitable treatment systems. Refer to the values listed in
the table on page 26.
9
Domestic hot water and central heating circuits must be completed with expansion vessels of adequate capacity and suitable,
correctly-sized safety valves. The discharge of safety valves and appliances must be connected to a suitable collection and dis-
posal system (see Catalogue for compatible accessories).
0
It is prohibited to operate the circulators without water.
1 Isolating valve
2 Non-return valve
3 Pressure reducer
4 Water softener filter
5 DHW circulation pump
6 Expansion tank
PC Thermal unit circulation pump
MI Central heating flow
RI Central heating return
UAC Domestic hot water outlet
DRP DHW recirculation preset
EAF Domestic cold water inlet
(*) Circulator pump not controlled by the thermal unit
regulator