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Basic Hydraulic Layouts
■ 1 heating circuit
SE
Ssa
Sae
AE
SR
VE
C
VD
GS
MT
CAR
CAR
SDp
Pg
SaeC
SSe
D
R
OU
PC
SA
SA
Rdyn*
OU
SA*
BT *
Key :
AE - Electrical backup
BT* - Buff er tank (depending on water
volume (see
"Volume of the heating system",
page 33)
CAR - Non-return valve
C - HP circulation pump
CCM - Mixed circuit circulation pump
D - Shut-off
GS - Safety valve (mandatory)
MT - Thermostatic mixing valve
PC - Underfl oor heating system
Pg - Bleeder valve
R - Radiators
SA - Room sensor (optional)
Sae - DHW electrical backup safety thermostat
SaeC - Safety thermostat (heating backup
option)
SDp - HP fl ow sensor
SE - Outside sensor
SR - Return sensor
Ssa - DHW sensor
SSe - Safety valve
VD - Distribution valve
VE - Expansion vessel
Waterstage Split Comfort DHW Serie / INSTALLATION / 2125 - EN
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