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3 Technical description
KW
S5
S4
1
KW
8
HFS 650 / HSF 700
Q Situation 3b: Charging via the solar energy installation, at
S2: Solar boiler sensor
Stb: Boiler sensor
Stb
WW
S2
L000020-C
Q Situation 4: Filling / draining via buffer
S2: Solar boiler sensor
S4: Buffer - bottom
HW: Boiler sensor
S5: Buffer - top
WW
KW
S2
L000021-C
3 .3 .2
Q Situation 1: Recirculation: use of a separate recirculation
S2: Solar boiler sensor
Stb: Boiler sensor
Stb
WW
KW
S2
L000024-C
Q Situation 2: Recirculation: use of optional recirculation
S2: Solar boiler sensor
S4: Boiler sensor CH boiler
Stb
WW
S2
L000022-C
bottom, with boiler
Installation of a recirculation line
buffer (with a flow rate loss of more than 250 l/hr: see
ISSO publication 55 .1 section 4 .2 .3 Thermal management
concept) .
Thermostat x °C
connection set 100020184 at a flow rate loss of up to
250 l/hr (see ISSO publication 55 .1 section 4 .2 .3 Thermal
management concept) .
7651255 - v.01 - 23052016
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