Atlantic 024306 - Basic Hydraulic Layout

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Basic Hydraulic Layout
■ 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
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
Alfea Extensa A.I. R32 / INSTALLATION / 2114 - EN