14
GENERAL
Pressure drops
TOP COIL
PRESSURE DROP (mbar)
500
400
300
200
100
0
0
1000
2000
3000
4000
300
200
FLOW RATE (l/h)
7 .3 .3 Storage cylinder water circuit
1
9
3
4
5
7
6
10
11
8
AD
RE
EAF
(SB)
TR
MC
RC
RL
UAC
2
SAFETY
DRAIN
FROM
COLLECTOR
TO
COLLECTOR
1
B
IDRA FI LE
solar storage cylinder
2
Expansion vessel
3
Flow meter
4
Central heating system pump
5
Valve
R
(functions as non-return valve)
6
Temperature gauge
7
Pressure gauge
8
Safety valve (6 bar)
9
Heat transfer fluid recovery
10
Valve
M
(functions as non-return valve)
11
Temperature gauge
TR
Temperature gauge
RE
Sleeve for electric heating element (not
supplied)
AD
Magnesium anode
UAC
Domestic hot water outlet
MC
Outlet from boiler
RC
Return to boiler
RL
DHW circulation
EAF
Domestic cold water inlet
SB
Storage cylinder drain
