Water Circuit - Riello 7200 Kombisolar 3S Installation, Operation And Maintenance Manual

Water circuit

UAC
EAF
UAC - Domestic hot water outlet
EAF - Domestic cold water inlet
RE - Sleeve for electric heating element
M - Inlet from solar collector
R - Return to solar collector
MC - Inlet from boiler
MC2 - Inlet from 2nd boiler
UR - Central heating outlet
b
The denomination of the water fittings refers to a theoretical system configuration.
See page 19.
b
r 7200 Kombisolar 3S combination storage cylinders are delivered without a filling pump. A suitably
rated pump must be provided and installed separately.
For further information on the recommended solar heating circuit flow rate, see the installation instructions
for the water outlet and return kit.
M R
RE
RC2 - Return to 2nd boiler
R50 - 50° C water return
MCON - Inlet from condensing boiler
RCON - Return to condensing boiler
CB - Inertial storage cylinder filling
SB - Inertial storage cylinder drain
R30 - 30° C water return
WATER CIRCUIT
MC
80°C
MC2
70°C
UR
RC2
60°C
R50
MCON / R50
50°C
40°C
RCON / CB
R30
30°C
SB
13
GENERAL