Atlantic 024122 - Basic Hydraulic Layout

9 Basic Hydraulic Layout
• Conguration 1: 1 heating circuit
SE
Ssa
Sae
AE
SR
VE
C
VD
GS
MT
CAR
SDp
Pg
SaeC
SSe
D
R
OU
PC
SA SA
Rdyn*
OU
SA*
BT *
Key: AE - DHW electrical backup CAR - Non-return valve C - HP circulation pump CCM - Mixed circuit circulation pump D - Shut-o󰀨
GS - Safety valve (mandatory) MT - Thermostatic mixing valve PC - Underoor heating system Pg - Bleeder valve R - Radiators
SA - Room sensor circuit 1(optional) Sae - DHW electrical backup safety thermostat SaeC - Safety thermostat (heating backup option) SDp - HP ow sensor
SE - Outside sensor SR - Return sensor Ssa - DHW sensor SSe - Safety valve VD - Distribution valve VE - Expansion vessel
Installation and Operating Manual "1821- EN"
Alféa Extensa Duo A.I. Heat Pump
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