Water Circuit - Riello 7200/1 170 Plus Installer And User Manual

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7 WATER cIRcUIT

TYPICAL WATER SYSTEM SCHEMATIC
Solar regulator
1 Solar collector
2 collector temperature sensor socket
3 Manual bleed valve
4 vent cock
5 vent valve
6 Pressure gauge
7 Safety valve
8 Drain
9 Expansion vessel
10 Disconnect valves
11 Temperature gauge
12 Flow regulator
13 Flow meter
14 Pressure reducer
15 Water softener filter
16 Non-return valve
17 Thermostatic mixer valve
18 Solar storage cylinder
9
R 7200/1 Plus storage cylinders are delivered without a boiler heating pump. A suitably rated pump must be provided and
installed separately. Flow rate from the solar collector circuit depends on the type and number of collectors installed. For
further information, consult the manual for the collectors.
9
The domestic hot water system MUST INcLUDE an expansion vessel, safety valve, automatic vent valve and storage cylinder drain
cock.
9
Safety valves must be connected to a suitable collection and drain system. The manufacturer declines all responsibility for
damage caused by water escaping from safety valves.
9
The choice of system components and the method of their installation are left up to the heating engineer installing the system.
Installers must use their expertise to ensure proper installation and functioning in conformity to all applicable legislation.
9
Circuits filled with anti-freeze must be fitted with water disconnectors.
4
3
M
SCo
2
UAC
17
10
19
PR
16
10
SB1
10
14
15
10 10
10
7
9
8
19 DhW recirculation temperature sensor
UAC Domestic hot water outlet
EAF
Domestic cold water inlet
M collector outlet
R collector return
PR DhW recirculation pump
PS Solar collector circuit pump
SB1 Storage cylinder bottom temperature sensor
SCo collector probe
Note! The above schematic is purely indicative.
7
R
1 1
5 7
6
M
10
11
°C
16
PS
10
12
13
10
Water control system
EAF
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8
9