Atlantic 024122 - Page 69

• Conguration 2: 2 heating circuits
Key: AE - DHW electrical backup AVS - Extension board, 2 circuits CAR - Non-return valve C - HP circulation pump CCM - Mixed circuit circulation pump D - Shut-o󰀨
GS - Safety valve (mandatory) K2c - 2 circuit kit MT - Thermostatic mixing valve PC - Underoor heating system Pg - Bleeder valve R - Radiators SA - Room sensor circuit 1 (optional) SA - Room sensor circuit 2 (optional)
Sae - DHW electrical backup safety thermostat SaeC - Safety thermostat (heating backup option) SDp - HP ow sensor SDpM - Mixed circuit ow sensor SE - Outside sensor SP - Heated oor safety fuse SR - Return sensor
Ssa - DHW sensor SSe - Safety valve VD - Distribution valve VE - Expansion vessel VM - Circuit mixer valve
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 *
M
SP
CCM
VM
SDpM
K2c
CAR
AVS
SA SA
SA*
Circuit 1 Circuit 2
CAR
Installation and Operating Manual "1821- EN" - 69 -
Alféa Extensa Duo A.I. Heat Pump