3 .3
Description of operation
KW
KW
KW
7651255 - v.01 - 23052016
3 .3 .1
Q Situation 1: Heating boiler + collector circuit
S2: Solar boiler sensor
Stb: Boiler sensor
Stb
WW
S2
L000017-C
Q Situation 2: Only heating boiler
HW: Boiler sensor
WW
L000016-C
Q Situation 3a: Charging via the solar energy installation, at
top, with boiler
S2: Solar boiler sensor
Stb: Boiler sensor
Stb
WW
S2
L000019-C
Filling the hot water boiler
3 Technical description
HFS 650 / HSF 700
7