19
GENERAL
8 TYPICAL SYSTEM SCHEMATIC
8
2
3
R
M
10
11
UAC
EAF
MC
RC
RL
SB
1
1
4
4
8
9
5
7
4
4
4
4
6
12 13
14
4
4
8
7
4
4
9
5
15
PRIMARY CIRCUIT
Outlet
Inlet
1
Solar collector
2
Solar storage cylinder
3
Collector probe
4
Disconnect valves
5
Non-return valve
6
Safety valve
7
Drain
8
Expansion vessel
9
Pump
10
Vent cock
11
Manual bleed valve (accessory)
12
Water softener filter
13
Pressure reducer
14
Mixer valve
15 CONTROL BOX SUN B
solar controller
UAC
Domestic hot water outlet
MC
Outlet from boiler
RC
Return to boiler
M
Collector outlet
R
Collector return
RL
DHW circulation
EAF
Domestic cold water inlet
SB
Storage cylinder drain
Note! The above schematic is purely indicative.
b
The domestic hot water system MUST INCLUDE an
expansion vessel, safety valve, automatic vent valve
and storage cylinder drain cock.
b
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.
b
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.
b
Circuits filled with anti-freeze must be fitted with water
disconnectors.
